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.time.Duration; import java.lang.invoke.VarHandle; import java.lang.invoke.MethodHandles; import static x30_pkg.x30_util.DynamicObject; import java.text.*; import java.nio.charset.Charset; import java.text.NumberFormat; import java.util.TimeZone; import java.awt.geom.*; class main { static class LiveBollingerBands extends CandleBasedIndicator { // length parameter is in base class // The magic average + standard deviation generator Welford welford = new Welford(); // Probably wrong word. Defines how many times the standard deviation // we use as the tunnel size (well, twice that, actually) final public LiveBollingerBands setDeviation(double deviation){ return deviation(deviation); } public LiveBollingerBands deviation(double deviation) { this.deviation = deviation; return this; } final public double getDeviation(){ return deviation(); } public double deviation() { return deviation; } double deviation = 2; // result final public LiveBollingerBands setRange(DoubleRange range){ return range(range); } public LiveBollingerBands range(DoubleRange range) { this.range = range; return this; } final public DoubleRange getRange(){ return range(); } public DoubleRange range() { return range; } DoubleRange range; final public AverageAndStandardDeviation getAs(){ return as(); } public AverageAndStandardDeviation as() { return as; } AverageAndStandardDeviation as; { onCandleAdded(candle -> { if (l(candles()) >= length) { var bCandles = candles().asList(); var prices = mapToDoubleArray(bCandles, __1 -> __1.endPrice()); as = averageAndStandardDeviation(prices); range = bollingerRange(as, deviation); } }); } List bandsAsTickers(List candles) { var bbSeq1 = new TickerSequence("Upper Bollinger Band"); var bbSeq2 = new TickerSequence("Lower Bollinger Band"); for (var candle : unnullForIteration(candles)) { feed(candle); var r = range(); if (notNull(r)) { bbSeq1.addIfPriceChanged(r.end(), candle.endTime().toLong()); bbSeq2.addIfPriceChanged(r.start(), candle.endTime().toLong()); } } return ll(bbSeq1, bbSeq2); } } static IterableIterator range(int start, int stop) { return new IterableIterator() { int i = start; public boolean hasNext() { return i < stop; } public Integer next() { return i++; } }; } 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 int l(IntRange r) { return r == null ? 0 : r.length(); } static double l(DoubleRange r) { return r == null ? 0 : r.length(); } static int l(IntSize o) { return o == null ? 0 : o.size(); } static double[] mapToDoubleArray(Collection l, IF1 f) { int n = l(l); double[] a = new double[n]; Iterator it = iterator(l); for (int i = 0; i < n; i++) a[i] = f.get(it.next()); return a; } static double[] mapToDoubleArray(double[] l, IF1_DoubleToDouble f) { int n = l(l); double[] a = new double[n]; for (int i = 0; i < n; i++) a[i] = f.get(l[i]); return a; } /*static double[] mapToDoubleArray(Cl l, IF1_ObjectToDouble f) { mapToDoubleArray_body }*/ static AverageAndStandardDeviation averageAndStandardDeviation(double... a) { AverageAndStandardDeviation out = new AverageAndStandardDeviation(); if (empty(a)) return out; double avg = doubleAverage(a); double sum = 0; for (int i = 0; i < l(a); i++) sum += sqr(a[i]-avg); out.avg = avg; out.standardDeviation = sqrt(sum/l(a)); return out; } static DoubleRange bollingerRange(AverageAndStandardDeviation as) { return bollingerRange(as, 2); } static DoubleRange bollingerRange(AverageAndStandardDeviation as, double size) { return doubleRangeAround(as.avg, as.standardDeviation*size); } 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 byte[] unnullForIteration(byte[] l) { return l == null ? emptyByteArray() : 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 boolean notNull(Object o) { return o != null; } static List ll(A... a) { ArrayList l = new ArrayList(a.length); if (a != null) for (A x : a) l.add(x); return l; } 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 Iterator iterator(Iterable c) { return c == null ? emptyIterator() : c.iterator(); } 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(IntRange r) { return r == null || r.empty(); } static boolean empty(DoubleRange r) { return r == null || r.isEmpty(); } static boolean empty(SynchronizedLongBuffer b) { return b == null || b.isEmpty(); } static boolean empty(DoubleBuffer b) { return b == null || b.isEmpty(); } static boolean empty(SynchronizedFloatBufferPresentingAsDoubles b) { return b == null || b.isEmpty(); } static boolean empty(IDoubleBuffer b) { return b == null || b.isEmpty(); } static boolean empty(ILongBuffer b) { return b == null || b.isEmpty(); } static boolean empty(Rect r) { return !(r != null && r.w != 0 && r.h != 0); } static boolean empty(Chain c) { return c == null; } static boolean empty(AppendableChain c) { return c == null; } static boolean empty(IntSize l) { return l == null || l.size() == 0; } static double doubleAverage(int... a) { double sum = 0; for (int i = 0; i < l(a); i++) sum += a[i]; return doubleRatio(sum, l(a)); } static double doubleAverage(double... l) { return doubleRatio(doubleSum(l), l(l)); } static double doubleAverage(Iterable l) { double sum = 0; long n = 0; for (Double i : unnullForIteration(l)) if (i != null) { sum += i; ++n; } return doubleRatio(sum, n); } static int sqr(int i) { return i*i; } static long sqr(long l) { return l*l; } static double sqr(double d) { return d*d; } static float sqr(float f) { return f*f; } static double sqrt(double x) { return Math.sqrt(x); } static DoubleRange doubleRangeAround(double mid, double size) { return doubleRange(mid-size, mid+size); } static List immutableEmptyList() { return Collections.emptyList(); } static byte[] emptyByteArray_a = new byte[0]; static byte[] emptyByteArray() { return emptyByteArray_a; } 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 short[] emptyShortArray = new short[0]; static short[] emptyShortArray() { return emptyShortArray; } static Map immutableEmptyMap() { return Collections.emptyMap(); } 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 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 Iterator emptyIterator() { return Collections.emptyIterator(); } 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 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 double doubleRatio(double x, double y) { return y == 0 ? 0 : x/y; } static double doubleRatio(Seconds x, Seconds y) { return doubleRatio(x.get(), y.get()); } static double doubleSum(Iterable l) { double sum = 0; for (Double i : unnull(l)) if (i != null) sum += i; return sum; } static double doubleSum(double... l) { double sum = 0; if (l != null) for (double i : l) sum += i; return sum; } static double doubleSum(Iterable l, IF1_ObjectToDouble f) { double sum = 0; for (var a : l) sum += f.get(a); return sum; } static double doubleSum(Iterable l, String field) { double sum = 0; for (var a : l) sum += toDouble(getOpt(a, field)); return sum; } static DoubleRange doubleRange(double start, double end) { return new DoubleRange(start, end); } 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 void _handleError(Error e) { //call(javax(), '_handleError, e); } static RuntimeException asRuntimeException(Throwable t) { if (t instanceof Error) _handleError((Error) t); return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } static String getClassName(Object o) { return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName(); } 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 float[] unnull(float[] l) { return l == null ? emptyFloatArray() : 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 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 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 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 String str(Object o) { return o == null ? "null" : o.toString(); } static String str(char[] c) { return c == null ? "null" : new String(c); } static String str(char[] c, int offset, int count) { return new String(c, offset, count); } 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 float[] emptyFloatArray = new float[0]; static float[] emptyFloatArray() { return emptyFloatArray; } static Map emptyMap() { return new HashMap(); } static double parseDouble(String s) { return empty(s) ? 0.0 : Double.parseDouble(s); } //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 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 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; } 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 > A max (Iterable l) { A max = null; var it = iterator(l); if (it.hasNext()) { max = it.next(); while (it.hasNext()) { A a = it.next(); if (cmp(a, max) > 0) max = a; } } return max; } /*Nah. static int max(Collection c) { int x = Integer.MIN_VALUE; for (int i : c) x = max(x, i); ret 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 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 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 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 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 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); } 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 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 A assertNotNull(Scorer scorer, String msg, A a) { if (scorer == null) return assertNotNull(msg, a); if (a == null) { print("BAD - " + msg + " is null: " + a); scorer.add(false); } else { print("OK, " + msg + " not null: " + a); scorer.add(true); } return a; } static Map synchroHashMap() { return synchronizedMap(new HashMap()); } 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(".", "$"); } // 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 HashSet litset(A... items) { return lithashset(items); } 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"); } 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 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 List classNames(Collection l) { return getClassNames(l); } static List classNames(Object[] l) { return getClassNames(asList(l)); } 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 Class mc() { return main.class; } static void multiMapPut(Map> map, A a, B b) { List l = map.get(a); if (l == null) map.put(a, l = new ArrayList()); l.add(b); } static 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 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 boolean assertTrue(Scorer scorer, boolean b) { scorer.add(b); return b; } 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() { } static Map synchronizedMap() { return synchroMap(); } static Map synchronizedMap(Map map) { return synchroMap(map); } static String className(Object o) { return getClassName(o); } static HashSet lithashset(A... items) { HashSet set = new HashSet(); for (A a : items) set.add(a); return set; } 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); } } // legacy mode //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(); // ignore pingSource if not PingV3 static boolean ping(PingSource pingSource) { return ping(); } // 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 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 AutoCloseable tempInterceptPrintIfNotIntercepted(F1 f) { return print_byThread().get() == null ? tempInterceptPrint(f) : null; } 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(Object... c) { return join(" ", c); } 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 List getClassNames(Collection l) { List out = new ArrayList(); if (l != null) for (Object o : l) out.add(o == null ? null : getClassName(o)); return out; } // 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(char[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (var i : a) l.add(i); return l; } static ArrayList asList(byte[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (var i : a) l.add(i); return l; } 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(Producer p) { ArrayList l = new ArrayList(); A a; if (p != null) while ((a = p.next()) != null) 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 ArrayList asList(ReverseChain c) { return c == null ? emptyList() : c.toList(); } static List asList(Pair p) { return p == null ? null : ll(p.a, p.b); } public static String join(String glue, Iterable strings) { if (strings == null) return ""; if (strings instanceof Collection) { if (((Collection) strings).size() == 1) return strOrEmpty(first((Collection) strings)); } StringBuilder buf = new StringBuilder(); Iterator i = strings.iterator(); if (i.hasNext()) { buf.append(strOrEmpty(i.next())); while (i.hasNext()) buf.append(glue).append(strOrEmpty(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 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 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 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 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 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 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 String strOrEmpty(Object o) { return o == null ? "" : str(o); } 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 Double first(double[] l) { return empty(l) ? null : l[0]; } static byte first(ByteBuffer buf) { return buf.get(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 first(AppendableChain a) { return a == null ? null : a.element; } 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 boolean endsWithLetterOrDigit(String s) { return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length()-1)); } static A or(A a, A b) { return a != null ? a : b; } // 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 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 volatile boolean licensed_yes = true; static boolean licensed() { if (!licensed_yes) return false; ping_okInCleanUp(); return true; } static void licensed_off() { licensed_yes = false; } // 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 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 Pair mapEntryToPair(Map.Entry e) { return e == null ? null : pair(e.getKey(), e.getValue()); } 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 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 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 Object getOptDynOnly(DynamicObject o, String field) { if (o == null || o.fieldValues == null) return null; return o.fieldValues.get(field); } static Set synchroHashSet() { return synchronizedSet(new HashSet()); } static A setThreadLocal(ThreadLocal tl, A value) { if (tl == null) return null; A old = tl.get(); tl.set(value); return old; } static Set> _entrySet(Map map) { return map == null ? Collections.EMPTY_SET : map.entrySet(); } 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 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 IF0 f0ToIF0(F0 f) { return f == null ? null : () -> f.get(); } static boolean nemptyString(String s) { return s != null && s.length() > 0; } 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); } static String substring(String s, IntRange r) { return r == null ? null : substring(s, r.start, r.end); } // convenience method for quickly dropping a prefix static String substring(String s, CharSequence l) { return substring(s, lCharSequence(l)); } static int strL(String s) { return s == null ? 0 : s.length(); } 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); } static int lCharSequence(CharSequence s) { return s == null ? 0 : s.length(); } 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 boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) { return a != null && a.regionMatches(true, offsetA, b, offsetB, len); } interface IF1_DoubleToDouble { double get(double i); } static class TickerSequence implements IntSize { TickerSequence() {} final public TickerSequence setMarket(String market){ return market(market); } public TickerSequence market(String market) { this.market = market; return this; } final public String getMarket(){ return market(); } public String market() { return market; } String market; // e.g. "TRBUSDT" // in case the sequence is digitized final public TickerSequence setPriceCells(PriceCells priceCells){ return priceCells(priceCells); } public TickerSequence priceCells(PriceCells priceCells) { this.priceCells = priceCells; return this; } final public PriceCells getPriceCells(){ return priceCells(); } public PriceCells priceCells() { return priceCells; } PriceCells priceCells; // are we live? final public TickerSequence setLive(boolean live){ return live(live); } public TickerSequence live(boolean live) { this.live = live; return this; } final public boolean getLive(){ return live(); } public boolean live() { return live; } boolean live = false; // Is the data incomplete (still loading)? final public TickerSequence setLoading(boolean loading){ return loading(loading); } public TickerSequence loading(boolean loading) { this.loading = loading; return this; } final public boolean getLoading(){ return loading(); } public boolean loading() { return loading; } boolean loading = false; ILongBuffer timestamps = new SynchronizedLongBuffer(); IDoubleBuffer prices = new SynchronizedFloatBufferPresentingAsDoubles(); // timestamp of last ticker event even though price may not // have changed final public TickerSequence setLastTickerEvent(long lastTickerEvent){ return lastTickerEvent(lastTickerEvent); } public TickerSequence lastTickerEvent(long lastTickerEvent) { this.lastTickerEvent = lastTickerEvent; return this; } final public long getLastTickerEvent(){ return lastTickerEvent(); } public long lastTickerEvent() { return lastTickerEvent; } long lastTickerEvent; final public TickerSequence setEpsilon(double epsilon){ return epsilon(epsilon); } public TickerSequence epsilon(double epsilon) { this.epsilon = epsilon; return this; } final public double getEpsilon(){ return epsilon(); } public double epsilon() { return epsilon; } double epsilon = 1e-6; transient Set> onPricePointAdded; public TickerSequence onPricePointAdded(IVF1 f) { onPricePointAdded = createOrAddToSyncLinkedHashSet(onPricePointAdded, f); return this; } public TickerSequence removePricePointAddedListener(IVF1 f) { main.remove(onPricePointAdded, f); return this; } public void pricePointAdded(long timestamp) { if (onPricePointAdded != null) for (var listener : onPricePointAdded) pcallF_typed(listener, timestamp); } transient Set onNewTickerEvent; public TickerSequence onNewTickerEvent(Runnable r) { onNewTickerEvent = createOrAddToSyncLinkedHashSet(onNewTickerEvent, r); return this; } public TickerSequence removeNewTickerEventListener(Runnable r) { main.remove(onNewTickerEvent, r); return this; } public void newTickerEvent() { if (onNewTickerEvent != null) for (var listener : onNewTickerEvent) pcallF_typed(listener); } TickerSequence(String market) { this.market = market;} synchronized void addIfPriceChanged(double price, long timestamp) { if (isEmpty() || differentByEpsilonRatio(prices.last(), price, epsilon)) add(price, timestamp); updateTickerEvent(timestamp); } void updateTickerEvent(long timestamp) { if (timestamp > lastTickerEvent) { lastTickerEvent(timestamp); newTickerEvent(); } } final void addPrice(double price, long timestamp){ add(price, timestamp); } synchronized void add(double price, long timestamp) { timestamps.add(timestamp); prices.add(price); pricePointAdded(timestamp); updateTickerEvent(timestamp); } synchronized void add(double[] prices, long[] timestamps) { assertEquals(l(prices), l(timestamps)); if (empty(prices)) return; // TODO: call pricePointAdded? this.prices.addAll(asList(prices)); this.timestamps.addAll(asList(timestamps)); lastTickerEvent = max(lastTickerEvent, endTime()); } synchronized void add(TickerSequence ticker) { add(ticker.prices.toArray(), ticker.timestamps.toArray()); } synchronized public String toString() { return commaCombine( spaceCombine( "Ticker", market, priceCells == null ? null : roundBracket(priceCells)), formatDays(duration()), n2(l(prices), "price point"), timeRange() ); } synchronized TickerSequence subSequence(int start) { return subSequence(start, size()); } synchronized TickerSequence subSequence(int start, int end) { TickerSequence s = new TickerSequence(); s.market(market); s.add( subDoubleArray(prices.toArray(), start, end), subArray(timestamps.toArray(), start, end)); return s; } synchronized TickerSequence cutOffAfterSeconds(double seconds) { int idx = indexOfTimestamp(startTime()+secondsToMS(seconds)); return subSequence(0, idx); } TickerSequence takeFirstDays(double days) { return cutOffAfterSeconds(daysToSeconds(days)); } TickerSequence takeLastDays(double days) { int idx = indexOfTimestamp(endTime()-daysToMS(days)); return subSequence(idx); } synchronized TickerSequence subSequenceByTimestamps(long from, long to) { int idx1 = indexOfTimestamp(from); int idx2 = indexOfTimestamp(to); return subSequence(idx1, idx2); } synchronized TickerSequence subSequenceFromTimestamp(long from) { return subSequence(indexOfTimestamp(from)); } synchronized int indexOfTimestamp(double ts) { return binarySearch_insertionPoint(timestamps.asVirtualList(), lround(ts)); } synchronized long nextTimestamp(double ts) { return getTimestamp(indexOfTimestamp(ts)+1); } synchronized double priceAtTimestamp(double ts) { return getPrice(indexOfTimestamp(ts)); } public int size() { return l(prices); } public boolean isEmpty() { return size() == 0; } synchronized TimestampRange timeRange() { return isEmpty() ? null : new TimestampRange(startTime(), endTime()); } Duration duration() { return main.duration(timeRange()); } synchronized long startTime() { return empty(timestamps) ? 0 : first(timestamps); } synchronized long endTime() { return empty(timestamps) ? 0 : last(timestamps); } synchronized double getPrice(int i) { return prices.get(clampToLength(size(), i)); } synchronized long getTimestamp(int i) { return timestamps.get(clampToLength(size(), i)); } synchronized TickerSequence removePlateaus() { TickerSequence seq = new TickerSequence(); seq.market(market); int n = size(); for (int i = 0; i < n; i++) { var value = getPrice(i); seq.prices.add(value); seq.timestamps.add(getTimestamp(i)); while (i+1 < n && getPrice(i+1) == value) ++i; } return seq.trimToSize(); } synchronized TickerSequence alignTimestamps(int interval) { TickerSequence seq = new TickerSequence(); seq.market(market); int n = size(); for (int i = 0; i < n; i++) { var value = getPrice(i); long time = roundDownTo(interval, getTimestamp(i)); if (time != seq.endTime()) seq.addIfPriceChanged(value, time); } return seq.trimToSize(); } TickerSequence trimToSize() { prices.trimToSize(); timestamps.trimToSize(); return this; } double minPrice() { return doubleMin(prices.toArray()); } double maxPrice() { return doubleMax(prices.toArray()); } synchronized double firstPrice() { return empty(prices) ? Double.NaN : prices.first(); } synchronized double lastPrice() { return empty(prices) ? Double.NaN : prices.last(); } synchronized TickerPoint lastPoint() { return new TickerPoint(this, endTime()); } static Pattern reBestAsk = regexp("\"bestAsk\":([0-9\\.]+)"); static Pattern reSystemTime = regexp("\"systemTime\":(\\d+)"); // parse line from a .ticker file synchronized void addJSONLine_fast(String line) { long time = toLong(regexpFirstGroup(reSystemTime, line)); if (time > lastTickerEvent) { double price = toDouble(regexpFirstGroup(reBestAsk, line)); addIfPriceChanged(price, time); } } transient IVF1 addJSONLine; void addJSONLine(String line) { if (addJSONLine != null) addJSONLine.get(line); else addJSONLine_base(line); } final void addJSONLine_fallback(IVF1 _f, String line) { if (_f != null) _f.get(line); else addJSONLine_base(line); } void addJSONLine_base(String line) { addJSONLine_fast(line); } synchronized void addJSONLine_slow(String line) { Map data = parseJSONMap(line); double price = toDouble(data.get("bestAsk")); long time = toLong(data.get("systemTime")); if (time > lastTickerEvent) addIfPriceChanged(price, time); } final UpDownSequence upDownSequence(){ return toUpDownSequence(); } UpDownSequence toUpDownSequence() { return toUpDownSequence(priceCells); } final UpDownSequence upDownSequence(PriceCells cells){ return toUpDownSequence(cells); } UpDownSequence toUpDownSequence(PriceCells cells) { if (cells == null) return null; var dig = digitize(new PriceDigitizer2(cells)); List cellNumbers = dig.roundedCellNumbers(); return UpDownSequence.fromInts(cellNumbers); } TickerSequence digitizeToPercent(double cellSizeInPercent) { return digitizeToPercent(firstPrice(), cellSizeInPercent); } TickerSequence digitizeToPercent(double basePrice, double cellSizeInPercent) { if (isEmpty()) return this; return digitize(geometricPriceDigitizer(basePrice, cellSizeInPercent)); } TickerSequence digitize(PriceDigitizer2 digitizer) { TickerSequence seq = new TickerSequence(); seq.market(market); seq.priceCells(digitizer.priceCells()); int n = size(); for (int i = 0; i < n; i++) { seq.addIfPriceChanged(digitizer.digitize(getPrice(i)), getTimestamp(i)); } return seq.trimToSize(); } List pricePoints() { return listFromFunction(__37 -> getPricePoint(__37), size()); } PricePoint getPricePoint(int idx) { return new PricePoint(timestamps.get(idx), prices.get(idx)); } List roundedCellNumbers() { return map(__38 -> iround(__38), cellNumbers()); } List cellNumbers() { if (priceCells == null) return null; int n = size(); DoubleBuffer buf = new DoubleBuffer(n); for (int i = 0; i < n; i++) buf.add(priceCells.toCellNumber(getPrice(i))); return buf.asVirtualList(); } TickerSequence toCellNumbers() { if (priceCells == null) return null; TickerSequence seq = new TickerSequence(); seq.market(market + " cell numbers " + roundBracket(priceCells)); int n = size(); for (int i = 0; i < n; i++) seq.add(priceCells.toCellNumber(getPrice(i)), getTimestamp(i)); return seq.trimToSize(); } void dropLastPricePoint() { if (isEmpty()) return; prices.popLast(); timestamps.popLast(); lastTickerEvent = endTime(); newTickerEvent(); } TickerSequence marketIfEmpty(String market) { if (empty(this.market)) market(market); return this; } TickerSequence legacyCompact() { if (!(prices instanceof SynchronizedFloatBufferPresentingAsDoubles)) prices = new SynchronizedFloatBufferPresentingAsDoubles(prices.toArray()); return this; } // msUnit = how many milliseconds to group into one boolean compactTimestamps() { return compactTimestamps(20); } boolean compactTimestamps(long msUnit) { if (!(timestamps instanceof SynchronizedLongBufferStoredAsLinearInts)) { timestamps = new SynchronizedLongBufferStoredAsLinearInts(roundDownTo(msUnit, startTime()), msUnit, timestamps); return true; } return false; } double averageTimeStep() { return doubleRatio(endTime()-startTime(), size()-1); } public void write(ByteHead head) { head.writeString(market); SynchronizedLongBufferStoredAsLinearInts timestamps = (SynchronizedLongBufferStoredAsLinearInts) (this.timestamps); head.writeLong(timestamps.base); head.writeLong(timestamps.factor); int n = size(); head.writeInt(n); for (int i = 0; i < n; i++) { head.writeInt(timestamps.getRaw(i)); head.writeFloat((float) prices.get(i)); } } static TickerSequence read(ByteHead head) { TickerSequence t = new TickerSequence(); t.market = head.readString(); if (head.eof()) return null; long base = head.readLong(); long factor = head.readLong(); //printVars(market := t.market, +base, +factor); SynchronizedLongBufferStoredAsLinearInts timestamps = new SynchronizedLongBufferStoredAsLinearInts(base, factor); t.timestamps = timestamps; int n = head.readInt(); for (int i = 0; i < n; i++) { int time = head.readInt(); if (head.eof()) break; timestamps.addRaw(time); t.prices.add(head.readFloat()); } return t; } TickerSequence loadJSONFile(File f) { var it = linesFromFile(f); try { for (var line : it) { try { addJSONLine(line); } catch (Throwable __e) { pcallFail(__e); }} return this; } finally { _close(it); }} } static abstract class VF1 implements IVF1 { public abstract void get(A a); } // from https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Welford's_online_algorithm static class Welford implements IFieldsToList{ static final String _fieldOrder = "count mean m2"; long count; double mean; double m2; Welford() {} Welford(long count, double mean, double m2) { this.m2 = m2; this.mean = mean; this.count = count;} public boolean equals(Object o) { if (!(o instanceof Welford)) return false; Welford __1 = (Welford) o; return count == __1.count && mean == __1.mean && m2 == __1.m2; } public int hashCode() { int h = -1397124871; h = boostHashCombine(h, _hashCode(count)); h = boostHashCombine(h, _hashCode(mean)); h = boostHashCombine(h, _hashCode(m2)); return h; } public Object[] _fieldsToList() { return new Object[] {count, mean, m2}; } // For a new value newValue, compute the new count, new mean, the new M2. // mean accumulates the mean of the entire dataset // M2 aggregates the squared distance from the mean // count aggregates the number of samples seen so far void add(double newValue) { count++; double delta = newValue - mean; mean += delta / count; double delta2 = newValue - mean; m2 += delta * delta2; } void remove(double valueToRemove) { guarantee(count > 0); /* Let's reverse the formulas from add(): delta = newValue - mean1 mean2 = mean1 + delta / count2 => mean2 = mean1+(newValue-mean1)/count2 = mean1 + newValue/count2 - mean1/count2 => mean2 = mean1*(1-1/count2) + newValue/count2 Solve for mean1. (| -newValue/count2) => mean2-newValue/count2 = mean1*(1-1/count2) | :(1-1/count2) => (mean2-newValue/count2)/(1-1/count2) = mean1. "Count" is easy to reverse: count1 = count2-1, obviously. Now, about restoring m2. delta2 = newValue - mean2 m2_2 = m2_1 + delta * delta2 => m2_2 - delta * delta2 = m2_1 Well, that was easy! */ double newValue = valueToRemove; double delta2 = newValue-mean; mean = (mean-newValue/count)/(1-1.0/count); double delta = newValue-mean; m2 -= delta*delta2; --count; } boolean isEmpty() { return count == 0; } final double avg(){ return average(); } final double mean(){ return average(); } double average() { return count == 0 ? Double.NaN : mean; } double variance() { return count == 0 ? Double.NaN : m2/count; } double sampleVariance() { return count < 2 ? Double.NaN : m2/(count-1); } double standardDeviation() { return sqrt(variance()); } public String toString() { String s = nValues(count); if (!isEmpty()) s += ", avg: " + avg() + ", std dev: " + standardDeviation(); return s; } AverageAndStandardDeviation get() { return new AverageAndStandardDeviation(avg(), standardDeviation()); } } // 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 Scorer { double score, total; List successes, errors; // set to non-null if you want them filled boolean verboseFailures, verboseAll; final void add(double score){ addZeroToOne(score); } void addZeroToOne(double score) { ++total; this.score += clamp(score, 0, 1); } void addZeroToOneError(double error) { addZeroToOne(1-error); } void addError() { add(false); } void addError(A info) { add(false, info); } void error(A info) { addError(info); } void addOK() { add(true); } void addOK(A info) { add(true, info); } void ok() { addOK(); } void ok(A info) { addOK(info); } boolean add(boolean correct) { ++total; if (correct) ++score; return correct; } boolean add(boolean correct, A info) { main.add(correct ? successes : errors, info); if (verboseAll || verboseFailures && !correct) _print((correct ? "[GOOD] " : "[BAD] ") + info); return add(correct); } // works if you use Scorer or Scorer void eq(Object a, Object b) { if (_eq(a, b)) add(true); else add(false, (A) (a + " != " + b)); } void print() { main.print(toString()); } public String toString() { return formatDouble(ratioToPercent(score, total), 1) + "% correct (n=" + formatDouble(total, 1) + ")"; } double get() { return ratioToPercent(score, total); } double percentScore() { return get(); } double score() { return get(); } boolean allCorrect() { return score == total; } void add(Scorer scorer) { if (scorer == null) return; total += scorer.total; score += scorer.score; addAll(successes, scorer.successes); addAll(errors, scorer.errors); } void collectErrors() { errors = new ArrayList(); } void collectSuccesses() { successes = new ArrayList(); } } // In the newest pinging system (with flag PingV3), a ping source // is the object that "allows" some code to run. // When that code calls ping(), the ping source's action (if defined) // is triggered. // This allows randomly interrupting code execution, for example. static class PingSource { // returns true if it slept final public PingSource setAction(IF0 action){ return action(action); } public PingSource action(IF0 action) { this.action = action; return this; } final public IF0 getAction(){ return action(); } public IF0 action() { return action; } volatile IF0 action; // optional description of this ping source String text; // optional thread pool that this ping source likes to run in ThreadPool threadPool; PingSource() {} PingSource(ThreadPool threadPool) { this.threadPool = threadPool;} PingSource(ThreadPool threadPool, String text) { this.text = text; this.threadPool = threadPool;} PingSource(IF0 action) { this.action = action;} // returns true if it slept final boolean get() { var a = action; return a != null && a.get(); } final void ping() { var a = action; if (a != null) a.get(); } void cancel() { action = new Cancelled(); } class Cancelled implements IF0 { public Boolean get() { throw new PingSourceCancelledException(PingSource.this); } } class Encapsulated implements Runnable , IFieldsToList{ Runnable r; Encapsulated() {} Encapsulated(Runnable r) { this.r = r;}public Object[] _fieldsToList() { return new Object[] {r}; } public void run() { try { //System.out.println("Encapsulated running: " + r); try { pingSource_tl().set(PingSource.this); //System.out.println("Ping source set"); ping(); r.run(); //System.out.println("Done running"); } finally { //System.out.println("Finally"); pingSource_tl().set(null); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return PingSource.this + ": " + r; } } void dO(Runnable r) { if (r == null) return; threadPool.acquireThreadOrQueue(new Encapsulated(r)); } public String toString() { String t = text; return nempty(t) ? t : super.toString(); } ISleeper_v2 sleeper() { return threadPool.sleeper(); } } // records its full size (total value count) in a field now 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); }} 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); } Map> innerMap() { return data; } } interface IF1_ObjectToDouble { double get(A a); } interface IntSize { int size(); default boolean isEmpty() { return size() == 0; } } /* * @(#)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> { final public Pair setA(A a){ return a(a); } public Pair a(A a) { this.a = a; return this; } final public A getA(){ return a(); } public A a() { return a; } A a; final public Pair setB(B b){ return b(b); } public Pair b(B b) { this.b = b; return this; } final public B getB(){ return b(); } public B b() { return b; } 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", getMessage()); } public String getMessage() { return commaCombine(getCause(), objects); } } static abstract class F0 { abstract A get(); } static abstract class F1 { abstract B get(A a); } // you still need to implement hasNext() and next() static abstract class IterableIterator implements Iterator, Iterable { public Iterator iterator() { return this; } public void remove() { unsupportedOperation(); } } static class TradingCandle { // min, max, start and end prices final public TradingCandle setMin(double min){ return min(min); } public TradingCandle min(double min) { this.min = min; return this; } final public double getMin(){ return min(); } public double min() { return min; } double min = infinity(); final public TradingCandle setMax(double max){ return max(max); } public TradingCandle max(double max) { this.max = max; return this; } final public double getMax(){ return max(); } public double max() { return max; } double max; final public TradingCandle setStart(double start){ return start(start); } public TradingCandle start(double start) { this.start = start; return this; } final public double getStart(){ return start(); } public double start() { return start; } double start; final public TradingCandle setEnd(double end){ return end(end); } public TradingCandle end(double end) { this.end = end; return this; } final public double getEnd(){ return end(); } public double end() { return end; } double end; final public TradingCandle setStartTime(Timestamp startTime){ return startTime(startTime); } public TradingCandle startTime(Timestamp startTime) { this.startTime = startTime; return this; } final public Timestamp getStartTime(){ return startTime(); } public Timestamp startTime() { return startTime; } Timestamp startTime; final public TradingCandle setEndTime(Timestamp endTime){ return endTime(endTime); } public TradingCandle endTime(Timestamp endTime) { this.endTime = endTime; return this; } final public Timestamp getEndTime(){ return endTime(); } public Timestamp endTime() { return endTime; } Timestamp endTime; final public TradingCandle setOngoing(boolean ongoing){ return ongoing(ongoing); } public TradingCandle ongoing(boolean ongoing) { this.ongoing = ongoing; return this; } final public boolean getOngoing(){ return ongoing(); } public boolean ongoing() { return ongoing; } boolean ongoing = false; final public TradingCandle setCoin(String coin){ return coin(coin); } public TradingCandle coin(String coin) { this.coin = coin; return this; } final public String getCoin(){ return coin(); } public String coin() { return coin; } String coin; final double startingPrice(){ return openingPrice(); } double openingPrice() { return end; } final double endPrice(){ return closingPrice(); } double closingPrice() { return end; } boolean isGreen() { return end > start; } boolean isRed() { return end < start; } boolean isWhite() { return end == start; } String colorText() { return isGreen() ? "green" : isRed() ? "red" : "white"; } double durationInSeconds() { return toSeconds(endTime.minus(startTime)); } void addValue(double price, Timestamp timestamp) { if (price < min) min = price; if (price > max) max = price; end = price; endTime = timestamp; if (startTime == null) { startTime = timestamp; start = price; } } String myType() { return "candle"; } public String toString() { String text = firstToUpper(colorText()) + " " + myType(); if (startTime != null) { text += " starting " + startTime + ", duration " + iround(toSeconds(endTime.minus(startTime))) + "s"; text += ", starting price " + formatPrice(start) + ", end price " + formatPrice(end); text += ", min " + formatPrice(min) + ", max " + formatPrice(max); } return text; } double changeRatio() { return doubleRatio(end, start); } public TradingCandle clone() { return shallowClone(this); } Color color() { return directionToCandleColor(end-start); } final double mid(){ return hl2(); } double hl2() { return avg(min, max); } final double move(){ return delta(); } double delta() { return end-start; } } final static class DoubleRange implements Comparable { final public double getStart(){ return start(); } public double start() { return start; } double start; final public double getEnd(){ return end(); } public double end() { return end; } double end; DoubleRange() {} DoubleRange(double start, double end) { this.end = end; this.start = start;} public boolean equals(Object o) { return stdEq2(this, o); } public int hashCode() { return stdHash2(this); } double length() { return end-start; } boolean isEmpty() { return start >= end; } double center() { return (start+end)/2; } static String _fieldOrder = "start end"; public String toString() { return "[" + start + ";" + end + "]"; } @Override public int compareTo(DoubleRange r) { int c = cmp(start, r.start); if (c != 0) return c; return cmp(end, r.end); } } abstract static class CandleBasedIndicator { // Number of candles we need to look back to final public CandleBasedIndicator setLength(int length){ return length(length); } public CandleBasedIndicator length(int length) { this.length = length; return this; } final public int getLength(){ return length(); } public int length() { return length; } int length = 20; transient Set> onCandleAdded; public CandleBasedIndicator onCandleAdded(IVF1 f) { onCandleAdded = createOrAddToSyncLinkedHashSet(onCandleAdded, f); return this; } public CandleBasedIndicator removeCandleAddedListener(IVF1 f) { main.remove(onCandleAdded, f); return this; } public void candleAdded(TradingCandle candle) { if (onCandleAdded != null) for (var listener : onCandleAdded) pcallF_typed(listener, candle); } CircularFifoBuffer candles_cache; CircularFifoBuffer candles() { if (candles_cache == null) candles_cache = candles_load(); return candles_cache;} CircularFifoBuffer candles_load() { return new CircularFifoBuffer(length); } TradingCandle lastCandle() { return candles().last(); } void feed(TradingCandleMaker candleMaker) { if (candleMaker != null) for (var candle : candleMaker.candles()) add(candle); } final void feed(TradingCandle candle){ add(candle); } void add(TradingCandle candle) { if (candle.ongoing()) return; if (lastCandle() != null && lessOrEq(candle.startTime, lastCandle().startTime)) return; candles().removeToSize(length-1); candles().add(candle); candleAdded(candle); } } public static interface IF0 { A get(); } static interface Hasher { int hashCode(A a); boolean equals(A a, A b); } static interface IF1 { B get(A a); } static class AverageAndStandardDeviation implements IFieldsToList{ double avg; double standardDeviation; AverageAndStandardDeviation() {} AverageAndStandardDeviation(double avg, double standardDeviation) { this.standardDeviation = standardDeviation; this.avg = avg;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + avg + ", " + standardDeviation + ")"; } public boolean equals(Object o) { if (!(o instanceof AverageAndStandardDeviation)) return false; AverageAndStandardDeviation __1 = (AverageAndStandardDeviation) o; return avg == __1.avg && standardDeviation == __1.standardDeviation; } public int hashCode() { int h = -1271115062; h = boostHashCombine(h, _hashCode(avg)); h = boostHashCombine(h, _hashCode(standardDeviation)); return h; } public Object[] _fieldsToList() { return new Object[] {avg, standardDeviation}; } } // TODO: subclass RuntimeException and use Meta instead of DynamicObject static class PersistableThrowable extends DynamicObject { String className; String msg; String stacktrace; final public PersistableThrowable setActualThrowable(Throwable actualThrowable){ return actualThrowable(actualThrowable); } public PersistableThrowable actualThrowable(Throwable actualThrowable) { this.actualThrowable = actualThrowable; return this; } final public Throwable getActualThrowable(){ return actualThrowable(); } public Throwable actualThrowable() { return actualThrowable; } transient Throwable actualThrowable; PersistableThrowable() {} PersistableThrowable(Throwable e) { actualThrowable = 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() { if (actualThrowable != null) return main.asRuntimeException(actualThrowable); return new Fail(this); } } static interface IVF1 { void get(A a); } static class DoubleBuffer implements Iterable, IntSize { double[] data; int size; DoubleBuffer() {} DoubleBuffer(int size) { if (size != 0) data = new double[size]; } DoubleBuffer(Iterable l) { addAll(l); } DoubleBuffer(Collection l) { this(l(l)); addAll(l); } DoubleBuffer(double... data) { this.data = data; size = l(data); } void add(double i) { if (size >= lDoubleArray(data)) { data = resizeDoubleArray(data, Math.max(1, toInt(Math.min(maximumSafeArraySize(), lDoubleArray(data)*2L)))); if (size >= data.length) throw fail("DoubleBuffer too large: " + size); } data[size++] = i; } void addAll(Iterable l) { if (l != null) for (double i : l) add(i); } double[] toArray() { return size == 0 ? null : resizeDoubleArray(data, size); } double[] toArrayNonNull() { return unnull(toArray()); } List toList() { return doubleArrayToList(data, 0, size); } List asVirtualList() { return new RandomAccessAbstractList() { public int size() { return size; } public Double get(int i) { return DoubleBuffer.this.get(i); } public Double set(int i, Double val) { Double a = get(i); data[i] = val; return a; } }; } void reset() { size = 0; } void clear() { reset(); } public int size() { return size; } double get(int idx) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); return data[idx]; } void set(int idx, double value) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); data[idx] = value; } double popLast() { if (size == 0) throw fail("empty buffer"); return data[--size]; } double last() { return data[size-1]; } double nextToLast() { return data[size-2]; } public String toString() { return squareBracket(joinWithSpace(toList())); } public Iterator iterator() { return new IterableIterator() { int i = 0; public boolean hasNext() { return i < size; } public Double next() { //if (!hasNext()) fail("Index out of bounds: " + i); return data[i++]; } }; } /*public DoubleIterator doubleIterator() { ret new DoubleIterator { int i = 0; public bool hasNext() { ret i < size; } public int next() { //if (!hasNext()) fail("Index out of bounds: " + i); ret data[i++]; } toString { ret "Iterator@" + i + " over " + DoubleBuffer.this; } }; }*/ void trimToSize() { data = resizeDoubleArray(data, size); } int indexOf(double b) { for (int i = 0; i < size; i++) if (data[i] == b) return i; return -1; } double[] subArray(int start, int end) { return subDoubleArray(data, start, min(end, size)); } } static class PricePoint implements IFieldsToList{ static final String _fieldOrder = "timestamp price"; long timestamp; double price; PricePoint() {} PricePoint(long timestamp, double price) { this.price = price; this.timestamp = timestamp;} public boolean equals(Object o) { if (!(o instanceof PricePoint)) return false; PricePoint __1 = (PricePoint) o; return timestamp == __1.timestamp && price == __1.price; } public int hashCode() { int h = 516290023; h = boostHashCombine(h, _hashCode(timestamp)); h = boostHashCombine(h, _hashCode(price)); return h; } public Object[] _fieldsToList() { return new Object[] {timestamp, price}; } public String toString() { return formatPrice(price) + " @ " + formatLocalDateWithSeconds(timestamp); } } interface PriceCells { boolean isCellLimit(double price); // next-higher cell limit or NaN if no more cells double nextCellLimit(double price); // next-lower cell limit or NaN if no more cells double previousCellLimit(double price); // go n steps down double nCellLimitsDown(double price, int n); // go n steps up double nCellLimitsUp(double price, int n); // convert to "cell space" (0=first cell limit, 1=next cell limit, -1=previous cell limit etc) default double toCellNumber(double price){ return priceToCellNumber(price); } double priceToCellNumber(double price); default double fromCellNumber(double cellNumber){ return cellNumberToPrice(cellNumber); } double cellNumberToPrice(double cellNumber); default double basePrice() { return cellNumberToPrice(0); } } static class PingSourceCancelledException extends RuntimeException implements IFieldsToList{ PingSource pingSource; PingSourceCancelledException() {} PingSourceCancelledException(PingSource pingSource) { this.pingSource = pingSource;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + pingSource + ")"; }public Object[] _fieldsToList() { return new Object[] {pingSource}; } } static class SynchronizedLongBuffer implements ILongBuffer { long[] data; int size; SynchronizedLongBuffer() {} SynchronizedLongBuffer(int size) { if (size != 0) data = new long[size]; } SynchronizedLongBuffer(Iterable l) { if (l instanceof Collection) allocate(((Collection) l).size()); addAll(l); } public synchronized void add(long i) { if (size >= lLongArray(data)) { data = resizeLongArray(data, Math.max(1, toInt(Math.min(maximumSafeArraySize(), lLongArray(data)*2L)))); if (size >= data.length) throw fail("LongBuffer too large: " + size); } data[size++] = i; } synchronized void allocate(int n) { data = resizeLongArray(data, max(n, size())); } public synchronized void addAll(Iterable l) { if (l != null) for (long i : l) add(i); } public synchronized long[] toArray() { return size == 0 ? null : resizeLongArray(data, size); } synchronized List toList() { return longArrayToList(data, 0, size); } public synchronized List asVirtualList() { return listFromFunction(__39 -> get(__39), size); } synchronized void reset() { size = 0; } void clear() { reset(); } synchronized public int size() { return size; } public synchronized boolean isEmpty() { return size == 0; } public synchronized long get(int idx) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); return data[idx]; } synchronized void set(int idx, long value) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); data[idx] = value; } public synchronized long popLast() { if (size == 0) throw fail("empty buffer"); return data[--size]; } public synchronized long last() { return data[size-1]; } synchronized long nextToLast() { return data[size-2]; } public String toString() { return squareBracket(joinWithSpace(toList())); } public synchronized Iterator iterator() { return new IterableIterator() { int i = 0; public boolean hasNext() { return i < size(); } public Long next() { synchronized(SynchronizedLongBuffer.this) { if (!hasNext()) throw fail("Index out of bounds: " + i); return data[i++]; } } }; } public synchronized void trimToSize() { data = resizeLongArray(data, size); } synchronized void remove(int idx) { arraycopy(data, idx+1, data, idx, size-1-idx); --size; } // don't rely on return value if buffer is empty public synchronized long poll() { return size == 0 ? -1 : data[--size]; } } // The idea is to leave max as the actual number of cores the system // has (numberOfCores()), and in case of being fully booked, raise an // alert (customerMustWaitAlert) which can be handled by a strategy // object (different reactions are possible). // If nothing is done in such an event, clients are processed serially // (no guarantees of order), split up among the available threads. /* SYNChronisation order: 1. PooledThread 2. ThreadPool */ static class ThreadPool implements AutoCloseable { int max = numberOfCores(); List all = new ArrayList(); Set used = new HashSet(); Set free = new HashSet(); boolean verbose, retired; // our own ping surce so we can start threads & keep them running class InternalPingSource extends PingSource {} InternalPingSource internalPingSource = new InternalPingSource(); MultiSleeper sleeper = new MultiSleeper(); ThreadPool() {} ThreadPool(int max) { this.max = max;} synchronized int maxSize() { return max; } synchronized int total() { return l(used)+l(free); } transient Set onCustomerMustWaitAlert; public ThreadPool onCustomerMustWaitAlert(Runnable r) { onCustomerMustWaitAlert = createOrAddToSyncLinkedHashSet(onCustomerMustWaitAlert, r); return this; } public ThreadPool removeCustomerMustWaitAlertListener(Runnable r) { main.remove(onCustomerMustWaitAlert, r); return this; } public void customerMustWaitAlert() { if (onCustomerMustWaitAlert != null) for (var listener : onCustomerMustWaitAlert) pcallF_typed(listener); } void fireCustomerMustWaitAlert() { vmBus_send("customerMustWaitAlert", this, currentThread()); customerMustWaitAlert(); } // DOESN'T WAIT. adds action to a thread's queue if nothing is // available immediately. PooledThread acquireThreadOrQueue(Runnable action) { if (action == null) return null; PooledThread t; synchronized(this) { if (_hasFreeAfterCreating()) { t = _firstFreeThread(); markUsed(t); } else t = _anyThread(); } t.addWork(action); // will move it from free to used return t; } // run in synchronized block boolean _hasFreeAfterCreating() { checkNotRetired(); if (nempty(free)) return true; if (total() < max) { PooledThread t = newThread(); all.add(t); free.add(t); return true; } return false; } // WAITS until thread is available PooledThread acquireThreadOrWait(Runnable action) { try { if (action == null) return null; PooledThread t; while (true) { synchronized(this) { if (_hasFreeAfterCreating()) { t = _firstFreeThread(); break; } else _waitWaitWait(); } } t.addWork(action); return t; } catch (Exception __e) { throw rethrow(__e); } } PooledThread _firstFreeThread() { return first(free); } PooledThread _anyThread() { return random(used); } class PooledThread extends Thread { PooledThread(String name) { super(name); } AppendableChain q; synchronized Runnable _grabWorkOrSleep() { try { Runnable r = first(q); if (r == null) { markFree(this); if (verbose) print("Thread sleeps"); synchronized(this) { wait(); } if (verbose) print("Thread woke up"); return null; } q = popFirst(q); return r; } catch (Exception __e) { throw rethrow(__e); } } public void run() { try { pingSource_tl().set(internalPingSource); while (!retired()) { ping(); Runnable r = _grabWorkOrSleep(); if (verbose) print(this + " work: " + r); if (r != null) try { if (verbose) print(this + " running: " + r); r.run(); pingSource_tl().set(internalPingSource); if (verbose) print(this + " done"); } catch (Throwable e) { pingSource_tl().set(internalPingSource); if (verbose) print(this + " error"); printStackTrace(e); } finally { pingSource_tl().set(internalPingSource); if (verbose) print("ThreadPool finally"); } } } catch (Exception __e) { throw rethrow(__e); } } synchronized boolean isEmpty() { return empty(q); } // append to q (do later) void addWork(Runnable r) { if (verbose) print("Added work to " + this + ": " + r); synchronized(this) { q = chainPlus(q, r); notifyAll(); } } } PooledThread newThread() { PooledThread t = new PooledThread("Thread Pool Inhabitant " + n2(total()+1)); t.start(); return t; } synchronized void markFree(PooledThread t) { used.remove(t); free.add(t); notifyAll(); } synchronized void markUsed(PooledThread t) { free.remove(t); used.add(t); } synchronized public String toString() { return retired() ? "Retired ThreadPool" : "ThreadPool " + roundBracket(commaCombine( n2(used) + " used out of " + n2(total()), max <= total() ? null : "could grow to " + n2(max))); } synchronized boolean retired() { return retired; } synchronized void retire() { if (verbose) print("ThreadPool Retiring"); retired = true; for (var thread : free) syncNotifyAll(thread); // wake it up so it exits } void checkNotRetired() { if (retired()) throw fail("retired"); } // We could do a soft-close here (stop the idle threads, let running threads finish, then end those too, stop accepting new orders) // or a hard close (interrupt all threads, stop accepting new orders) synchronized public void close() { try { retire(); } catch (Exception __e) { throw rethrow(__e); } } // run in synchronized block void _waitWaitWait() { try { do { fireCustomerMustWaitAlert(); wait(); checkNotRetired(); } while (empty(free)); } catch (Exception __e) { throw rethrow(__e); } } void dO(String text, Runnable r) { if (r == null) return; new PingSource(this, text).dO(r); } ISleeper_v2 sleeper() { return sleeper; } } static class SynchronizedFloatBufferPresentingAsDoubles implements IDoubleBuffer { float[] data; int size; SynchronizedFloatBufferPresentingAsDoubles() {} SynchronizedFloatBufferPresentingAsDoubles(int size) { if (size != 0) data = new float[size]; } SynchronizedFloatBufferPresentingAsDoubles(Iterable l) { addAll(l); } SynchronizedFloatBufferPresentingAsDoubles(Collection l) { this(l(l)); addAll(l); } SynchronizedFloatBufferPresentingAsDoubles(double... data) { this.data = doubleArrayToFloatArray(data); size = l(data); } public synchronized void add(double i) { if (size >= lFloatArray(data)) { data = resizeFloatArray(data, Math.max(1, toInt(Math.min(maximumSafeArraySize(), lFloatArray(data)*2L)))); if (size >= data.length) throw fail(shortClassName(this) + " too large: " + size); } data[size++] = (float) i; } public synchronized void addAll(Iterable l) { if (l != null) for (double i : l) add(i); } public synchronized double[] toArray() { return size == 0 ? null : takeFirstFromFloatArrayAsDoubleArray(data, size); } double[] toArrayNonNull() { return unnull(toArray()); } synchronized List toList() { return floatArrayToDoubleList(data, 0, size); } synchronized List asVirtualList() { return new RandomAccessAbstractList() { public int size() { return SynchronizedFloatBufferPresentingAsDoubles.this.size(); } public Double get(int i) { return SynchronizedFloatBufferPresentingAsDoubles.this.get(i); } public Double set(int i, Double val) { synchronized(SynchronizedFloatBufferPresentingAsDoubles.this) { Double a = get(i); data[i] = val.floatValue(); return a; } } }; } synchronized void reset() { size = 0; } void clear() { reset(); } public synchronized int size() { return size; } public synchronized boolean isEmpty() { return size == 0; } public synchronized double get(int idx) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); return data[idx]; } synchronized void set(int idx, double value) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); data[idx] = (float) value; } public synchronized double popLast() { if (size == 0) throw fail("empty buffer"); return data[--size]; } public synchronized double first() { return data[0]; } public synchronized double last() { return data[size-1]; } synchronized double nextToLast() { return data[size-2]; } public String toString() { return squareBracket(joinWithSpace(toList())); } public Iterator iterator() { return new IterableIterator() { int i = 0; public boolean hasNext() { return i < size(); } public Double next() { synchronized(SynchronizedFloatBufferPresentingAsDoubles.this) { //if (!hasNext()) fail("Index out of bounds: " + i); return (double) data[i++]; } } }; } /*public DoubleIterator doubleIterator() { ret new DoubleIterator { int i = 0; public bool hasNext() { ret i < size; } public int next() { //if (!hasNext()) fail("Index out of bounds: " + i); ret data[i++]; } toString { ret "Iterator@" + i + " over " + DoubleBuffer.this; } }; }*/ public synchronized void trimToSize() { data = resizeFloatArray(data, size); } synchronized int indexOf(double b) { for (int i = 0; i < size; i++) if (data[i] == b) return i; return -1; } synchronized double[] subArray(int start, int end) { return subFloatArrayAsDoubleArray(data, start, min(end, size)); } } // We use big-endian as DataOutputStream does static class ByteHead /*is DataOutput*/ implements AutoCloseable { final public ByteHead setReadMode(boolean readMode){ return readMode(readMode); } public ByteHead readMode(boolean readMode) { this.readMode = readMode; return this; } final public boolean getReadMode(){ return readMode(); } public boolean readMode() { return readMode; } boolean readMode = false; final public ByteHead setWriteMode(boolean writeMode){ return writeMode(writeMode); } public ByteHead writeMode(boolean writeMode) { this.writeMode = writeMode; return this; } final public boolean getWriteMode(){ return writeMode(); } public boolean writeMode() { return writeMode; } boolean writeMode = false; final public InputStream getInputStream(){ return inputStream(); } public InputStream inputStream() { return inputStream; } InputStream inputStream; final public OutputStream getOutputStream(){ return outputStream(); } public OutputStream outputStream() { return outputStream; } OutputStream outputStream; final public ByteHead setByteCounter(long byteCounter){ return byteCounter(byteCounter); } public ByteHead byteCounter(long byteCounter) { this.byteCounter = byteCounter; return this; } final public long getByteCounter(){ return byteCounter(); } public long byteCounter() { return byteCounter; } long byteCounter; final public boolean getEof(){ return eof(); } public boolean eof() { return eof; } boolean eof = false; ByteHead() {} ByteHead(InputStream inputStream) { inputStream(inputStream); } ByteHead(OutputStream outputStream) { outputStream(outputStream); } ByteHead inputStream(InputStream inputStream) { this.inputStream = inputStream; readMode(true); return this; } ByteHead outputStream(OutputStream outputStream) { this.outputStream = outputStream; writeMode(true); return this; } void write(byte[] data) { try { ensureWriteMode(); { if (outputStream != null) outputStream.write(data); } byteCounter += data.length; } catch (Exception __e) { throw rethrow(__e); } } void writeFloat(float f) { writeInt(Float.floatToIntBits(f)); } void writeLong(long l) { writeInt((int) (l >> 32)); writeInt((int) l); } void writeInt(int i) { write(i >> 24); write(i >> 16); write(i >> 8); write(i); } void writeShort(int i) { write(i >> 8); write(i); } final void write(int i){ writeByte(i); } void writeByte(int i) { try { ensureWriteMode(); { if (outputStream != null) outputStream.write(i); } byteCounter++; } catch (Exception __e) { throw rethrow(__e); } } void writeASCII(char c) { write(toASCII(c)); } void writeASCII(String s) { write(toASCII(s)); } // write/verify constant ASCII text void exchangeASCII(String s) { exchangeConstantBytes(toASCII(s)); } void exchangeConstantBytes(byte[] data) { for (int i = 0; i < l(data); i++) exchangeByte(data[i]); } long readLong() { long i = ((long) readInt()) << 32; return i | (readInt() & 0xFFFFFFFFL); } float readFloat() { return Float.intBitsToFloat(readInt()); } int readInt() { int i = read() << 24; i |= read() << 16; i |= read() << 8; return i | read(); } short readShort() { int i = read() << 8; return (short) (i | read()); } byte[] readBytes(int n) { byte[] data = new byte[n]; for (int i = 0; i < n; i++) { int b = read(); if (b < 0) throw fail("EOF"); data[i] = (byte) b; } return data; } String readString() { int n = readInt(); if (eof()) return null; return fromUtf8(readBytes(n)); } // null is written as empty string // writes UTF8 length (4 bytes) plus string as UTF8 void writeString(String s) { byte[] utf8 = toUtf8(unnull(s)); writeInt(l(utf8)); write(utf8); } // -1 for EOF final int read(){ return readByte(); } int readByte() { try { ensureReadMode(); ++byteCounter; int b = inputStream.read(); if (b < 0) eof = true; return b; } catch (Exception __e) { throw rethrow(__e); } } void ensureReadMode() { if (!readMode) throw fail("Not in read mode"); } void ensureWriteMode() { if (!writeMode) throw fail("Not in write mode"); } // exchange = read or write depending on mode void exchangeByte(byte getter, IVF1 setter) { exchangeByte(() -> getter, setter); } void exchangeByte(IF0 getter, IVF1 setter) { if (writeMode()) writeByte(getter.get()); if (readMode()) setter.get(toUByte(readByte())); } void exchangeShort(IF0 getter, IVF1 setter) { if (writeMode()) writeShort(getter.get()); if (readMode()) setter.get(readShort()); } void exchangeLong(IVar var) { exchangeLong(var.getter(), var.setter()); } void exchangeLong(IF0 getter, IVF1 setter) { if (writeMode()) writeLong(getter.get()); if (readMode()) setter.get(readLong()); } void exchangeByte(byte i) { exchangeByte(() -> i, j -> assertEquals(i, j)); } void exchangeInt(int i) { exchangeInt(() -> i, j -> assertEquals(i, j)); } void exchangeInt(IF0 getter, IVF1 setter) { if (writeMode()) writeInt(getter.get()); if (readMode()) setter.get(readInt()); } void exchange(ByteIO writable) { if (writable != null) writable.readWrite(this); } void exchangeAll(Iterable writables) { if (writables != null) for (var writable : writables) exchange(writable); } // write size in bytes of element first (as int), // then the element itself. // upon reading, size is actually ignored. void exchangeWithSize(ByteIO writable) { if (writeMode()) { byte[] data = writable.saveToByteArray(); writeInt(l(data)); write(data); } if (readMode()) { int n = readInt(); writable.readWrite(this); } } void finish() {} public void close() { main.close(inputStream); main.close(outputStream); finish(); } } static class TimestampRange implements IFieldsToList{ static final String _fieldOrder = "start end"; Timestamp start; Timestamp end; TimestampRange() {} TimestampRange(Timestamp start, Timestamp end) { this.end = end; this.start = start;} public boolean equals(Object o) { if (!(o instanceof TimestampRange)) return false; TimestampRange __1 = (TimestampRange) o; return eq(start, __1.start) && eq(end, __1.end); } public int hashCode() { int h = -2020922905; h = boostHashCombine(h, _hashCode(start)); h = boostHashCombine(h, _hashCode(end)); return h; } public Object[] _fieldsToList() { return new Object[] {start, end}; } TimestampRange(long start, long end) { this(new Timestamp(start), new Timestamp(end)); } final Timestamp startTime(){ return start(); } Timestamp start() { return start; } final Timestamp endTime(){ return end(); } Timestamp end() { return end; } final TimestampRange startTime(Timestamp start){ return start(start); } TimestampRange start(Timestamp start) { this.start = start; return this; } final TimestampRange endTime(Timestamp end){ return end(end); } TimestampRange end(Timestamp end) { this.end = end; return this; } boolean complete() { return start != null && end != null; } Duration duration() { return !complete() ? null : end.minusAsDuration(start); } long length() { return !complete() ? 0 : end.unixDate()-start.unixDate(); } public String toString() { return start + " to " + end; } } static class Timestamp implements Comparable , IFieldsToList{ long date; Timestamp(long date) { this.date = date;} public boolean equals(Object o) { if (!(o instanceof Timestamp)) return false; Timestamp __1 = (Timestamp) o; return date == __1.date; } public int hashCode() { int h = 2059094262; h = boostHashCombine(h, _hashCode(date)); return h; } public Object[] _fieldsToList() { return new Object[] {date}; } Timestamp() { date = now(); } Timestamp(Date date) { if (date != null) this.date = date.getTime(); } final long toLong(){ return unixDate(); } long unixDate() { return date; } long unixSeconds() { return unixDate()/1000; } public String toString() { return formatLocalDateWithSeconds(date); } // Hmm. Should Timestamp(0) be equal to null? Question, questions... public int compareTo(Timestamp t) { return t == null ? 1 : cmp(date, t.date); } Timestamp plus(Seconds seconds) { return plus(seconds == null ? null : seconds.getDouble()); } final Timestamp plusSeconds(double seconds){ return plus(seconds); } Timestamp plus(double seconds) { return new Timestamp(date+toMS(seconds)); } // returns milliseconds long minus(Timestamp ts) { return unixDate()-ts.unixDate(); } long sysTime() { return clockTimeToSystemTime(date); } Duration minusAsDuration(Timestamp ts) { return Duration.ofMillis(minus(ts)); } } static class CircularFifoBuffer implements Iterable, IntSize { int capacity; long base; ArrayDeque storage; public CircularFifoBuffer(int capacity) { this.capacity = capacity; storage = new ArrayDeque(capacity); } /** * Adds the given element to the buffer. If the buffer is full, the least recently added element is discarded so * that a new element can be inserted. */ public void add(E e) { if (isFull()) remove(); storage.addLast(e); } /** * Removes and returns the least recently inserted element from this buffer. */ public E remove() { ++base; return storage.removeFirst(); } /** * Returns true iff the buffers remaining capacity is 0. */ public boolean isFull() { return storage.size() == capacity; } /** * Returns true iff the buffers size is 0. */ public boolean isEmpty() { return storage.isEmpty(); } /** * Returns the number of elements in the buffer. */ public int size() { return storage.size(); } public Object[] toArray() { return storage.toArray(); } public T[] toArray(T[] a) { return storage.toArray(a); } public List asList() { return new ArrayList(storage); } public ArrayDeque getBackingStore() { return storage; } public Iterator iterator() { return storage.iterator(); } public E last() { return storage.peekLast(); } void removeToSize(int size) { while (size() > max(size, 0)) remove(); } // how many elements were discarded long getBase() { return base; } int getCapacity() { return capacity; } } interface ILongBuffer extends IntSize, Iterable, ILongQueue { void add(long d); void addAll(Iterable l); long[] toArray(); long get(int idx); void trimToSize(); long popLast(); long last(); boolean isEmpty(); List asVirtualList(); } // a point in a ticker sequence static class TickerPoint implements IFieldsToList{ TickerSequence ticker; long currentTime; TickerPoint() {} TickerPoint(TickerSequence ticker, long currentTime) { this.currentTime = currentTime; this.ticker = ticker;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + ticker + ", " + currentTime + ")"; }public Object[] _fieldsToList() { return new Object[] {ticker, currentTime}; } double currentPrice() { return lookback(0); } // time = ms to look back double lookback(long time) { return ticker.priceAtTimestamp(currentTime-time); } // false if looking back would require going outside of the time range boolean canLookback(long time) { return currentTime-time >= ticker.startTime(); } TickerSequence ticker() { return ticker; } final long time(){ return currentTime(); } long currentTime() { return currentTime; } } static interface IFieldsToList { Object[] _fieldsToList(); } interface IDoubleBuffer extends IntSize, Iterable { void add(double d); void addAll(Iterable l); double[] toArray(); double get(int idx); void trimToSize(); double popLast(); double first(); double last(); boolean isEmpty(); } interface ISleeper_v2 { default Sleeping doLater(long targetTime, Runnable r) { return doLater(sysTimeToTimestamp(targetTime), r); } Sleeping doLater(Timestamp targetTime, Runnable r); public default Sleeping doAfter(double seconds, Runnable r) { return doLater(tsNow().plusSeconds(seconds), r); } } static class SynchronizedLongBufferStoredAsLinearInts implements ILongBuffer { SynchronizedLongBufferStoredAsLinearInts() {} int[] data; int size; // affine conversion to long (long = int*factor+base) long base, factor; SynchronizedLongBufferStoredAsLinearInts(long base, long factor) { this.factor = factor; this.base = base;} SynchronizedLongBufferStoredAsLinearInts(long base, long factor, int size) { this.factor = factor; this.base = base; if (size != 0) data = new int[size]; } SynchronizedLongBufferStoredAsLinearInts(long base, long factor, Iterable l) { this.factor = factor; this.base = base; if (l instanceof Collection) allocate(((Collection) l).size()); addAll(l); } public synchronized void addRaw(int i) { if (size >= lIntArray(data)) { data = resizeIntArray(data, Math.max(1, toInt(Math.min(maximumSafeArraySize(), lIntArray(data)*2L)))); if (size >= data.length) throw fail(shortClassName(this) + " too large: " + size); } data[size++] = i; } public synchronized void add(long i) { addRaw(compress(i)); } synchronized void allocate(int n) { data = resizeIntArray(data, max(n, size())); } public synchronized void addAll(Iterable l) { if (l != null) for (long i : l) add(i); } public synchronized long[] toArray() { if (size == 0) return null; long[] out = new long[size]; for (int i = 0; i < size; i++) out[i] = expand(data[i]); return out; } /*synchronized L toList() { ret longArrayToList(data, 0, size); }*/ public synchronized List asVirtualList() { return listFromFunction(__40 -> get(__40), size); } synchronized void reset() { size = 0; } void clear() { reset(); } synchronized public int size() { return size; } public synchronized boolean isEmpty() { return size == 0; } public synchronized int getRaw(int idx) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); return data[idx]; } public synchronized long get(int idx) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); return expand(data[idx]); } synchronized void set(int idx, long value) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); data[idx] = compress(value); } public synchronized long popLast() { if (size == 0) throw fail("empty buffer"); return expand(data[--size]); } public synchronized long last() { return expand(data[size-1]); } synchronized long nextToLast() { return expand(data[size-2]); } public String toString() { return squareBracket(joinWithSpace(asVirtualList())); } public synchronized Iterator iterator() { return new IterableIterator() { int i = 0; public boolean hasNext() { return i < size(); } public Long next() { synchronized(SynchronizedLongBufferStoredAsLinearInts.this) { if (!hasNext()) throw fail("Index out of bounds: " + i); return expand(data[i++]); } } }; } public synchronized void trimToSize() { data = resizeIntArray(data, size); } synchronized void remove(int idx) { arraycopy(data, idx+1, data, idx, size-1-idx); --size; } // don't rely on return value if buffer is empty public synchronized long poll() { return size == 0 ? -1 : expand(data[--size]); } long expand(int value) { return base+value*factor; } int compress(long value) { return toInt(ldiv_round(value-base, factor)); } } static class UpDownSequence extends RandomAccessAbstractList { UpDownSequence() {} BitBuffer moves = new BitBuffer(); // up is true UpDownSequence(String s) { for (var c : characters(upper(s))) if (c == 'U') add(UpDown.up); else if (c == 'D') add(UpDown.down); } public UpDown get(int i) { return UpDown.fromBool(moves.get(i)); } public boolean add(UpDown move) { moves.add(move.bit); return true; } public String toString() { return join(countIterator(__41 -> moveChar(__41), size())); } String moveChar(int i) { return moves.get(i) ? "U" : "D"; } public int size() { return moves.size(); } void addUp() { add(UpDown.up); } void addDown() { add(UpDown.down); } final static UpDownSequence fromInts(List cellNumbers){ return fromCellNumbers(cellNumbers); } static UpDownSequence fromCellNumbers(List cellNumbers) { UpDownSequence seq = new UpDownSequence(); if (nempty(cellNumbers)) { int cn = first(cellNumbers); for (int i = 1; i < l(cellNumbers); i++) { int cn2 = cellNumbers.get(i); int cn3 = clamp(cn2, cn-10, cn+10); while (cn3 > cn) { ping(); ++cn; seq.addUp(); } while (cn3 < cn) { ping(); --cn; seq.addDown(); } cn = cn2; } } return seq; } } static class TradingCandleMaker { TradingCandleMaker() {} final public TradingCandleMaker setCandleLength(double candleLength){ return candleLength(candleLength); } public TradingCandleMaker candleLength(double candleLength) { this.candleLength = candleLength; return this; } final public double getCandleLength(){ return candleLength(); } public double candleLength() { return candleLength; } double candleLength = 1; // in minutes final public TradingCandleMaker setMaxCandles(int maxCandles){ return maxCandles(maxCandles); } public TradingCandleMaker maxCandles(int maxCandles) { this.maxCandles = maxCandles; return this; } final public int getMaxCandles(){ return maxCandles(); } public int maxCandles() { return maxCandles; } int maxCandles = Integer.MAX_VALUE; final public TradingCandleMaker setAlignment(double alignment){ return alignment(alignment); } public TradingCandleMaker alignment(double alignment) { this.alignment = alignment; return this; } final public double getAlignment(){ return alignment(); } public double alignment() { return alignment; } double alignment; // shift in seconds TradingCandleMaker(double candleLength) { this.candleLength = candleLength;} List candles = syncL(); TradingCandle currentCandle() { return last(candles); } boolean isEmpty() { return main.isEmpty(candles); } Timestamp endTime() { var candle = last(candles); return candle == null ? null : candle.endTime(); } double lastPrice() { return currentCandle().end(); } void add(double price, long timestamp) { var ts = new Timestamp(timestamp); int safety = 0; while (currentCandle() != null) { if (safety++ >= 1000) { warn("TradingCandleMaker safety warning"); break; } Timestamp maxEnd = maxEndOfCurrentCandle(); if (!greaterOrEq(ts, maxEnd)) break; currentCandle().endTime(maxEnd); double lastPrice = lastPrice(); newCandle(); currentCandle().addValue(lastPrice, maxEnd); } if (empty(candles)) newCandle(); currentCandle().addValue(price, ts); } void newCandle() { var c = currentCandle(); { if (c != null) c.ongoing(false); } candles.add(new TradingCandle().ongoing(true)); dropOldCandles(); } // returns number of entries processed final int feed(TickerSequence ts){ return addTickerSequence(ts); } int addTickerSequence(TickerSequence ts) { int entriesProcessed = 0; Timestamp endTime = endTime(); // TODO: Cut off beginning of ticker according to maxCandles if (endTime != null) ts = ts.subSequenceFromTimestamp(endTime().unixDate()+1); int n = l(ts); for (int i = 0; i < n; i++) { add(ts.prices.get(i), ts.timestamps.get(i)); ++entriesProcessed; } if (!isEmpty() && ts.lastTickerEvent > currentCandle().endTime().toLong()) { add(ts.lastPrice(), ts.lastTickerEvent); ++entriesProcessed; } return entriesProcessed; } Timestamp maxEndOfCurrentCandle() { long time = currentCandle().startTime.toLong(); long align = secondsToMS(alignment); time = roundUpTo(secondsToMS(candleLength*60), time+align+1)-align; return new Timestamp(time); } /*bool needNewCandle(long timestamp) { ret empty(candles) || timestamp >= maxEndOfCurrentCandle().unixDate(); }*/ void dropOldCandles() { if (l(candles) > maxCandles) removeSubList(candles, 0, l(candles)-maxCandles); } final List get(){ return candles(); } List candles() { return cloneList(candles); } List liveCandles() { return candles; } public String toString() { return "Candle maker " + formatDouble(candleLength) + "m, " + nCandles(candles); } } interface IMultiMap { public Set keySet(); public Collection get(A a); public int size(); public int keyCount(); } /* Typical way to implement (from WidthAndHeightImpl): ifclass ByteHead public void readWrite(ByteHead head) { head.exchangeInt(l0 width, w -> width = w); head.exchangeInt(l0 height, h -> height = h); } endif */ interface ByteIO { void readWrite(ByteHead head); default byte[] saveAsByteArray(){ return saveToByteArray(); } default byte[] toByteArray(){ return saveToByteArray(); } default byte[] saveToByteArray() { return saveToByteArray(new ByteHead()); } default byte[] saveAsByteArray(ByteHead head){ return saveToByteArray(head); } default byte[] toByteArray(ByteHead head){ return saveToByteArray(head); } default byte[] saveToByteArray(ByteHead head) { var baos = byteArrayOutputStream(); head.outputStream(baos); readWrite(head); head.finish(); return baos.toByteArray(); } default String toHexString() { return main.toHexString(toByteArray()); } default File saveToFile(File file) { OutputStream out = bufferedFileOutputStream(file); try { var head = new ByteHead(out); readWrite(head); head.finish(); return file; } finally { _close(out); }} default ByteIO fromByteArray(byte[] data){ return load(data); } default ByteIO load(byte[] data) { readWrite(new ByteHead(new ByteArrayInputStream(data))); return this; } default ByteIO load(File file) { InputStream in = bufferedInputStream(file); try { readWrite(new ByteHead(in)); return this; } finally { _close(in); }} default long byteIOLength() { JustCountingOutputStream out = new JustCountingOutputStream(); var head = new ByteHead(out); readWrite(head); head.finish(); return out.get(); } } abstract static class Sleeping implements AutoCloseable , IFieldsToList{ Timestamp targetTime; Runnable action; Sleeping() {} Sleeping(Timestamp targetTime, Runnable action) { this.action = action; this.targetTime = targetTime;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + targetTime + ", " + action + ")"; }public Object[] _fieldsToList() { return new Object[] {targetTime, action}; } long remainingMS() { return targetTime.minus(tsNow()); } } // AppendableChain has one "smart" head element (with size counter // and pointer to the chain's last element), all the other nodes are // maximally simple (MinimalChain). // This allows O(1) front insertion, front removal and back insertion // (not removal at the back though) which is fine for what I need this // for (event queues). // // Stefan Reich, Oct 21 static class AppendableChain extends MinimalChain implements Iterable, IntSize { MinimalChain last; // pointer to last element in chain (which may be us) final public int getSize(){ return size(); } public int size() { return size; } int size; // total length of chain AppendableChain() {} // only used internally AppendableChain(A element) { this.element = element; size = 1; last = this; } // intermediate constructor called by itemPlusChain() AppendableChain(A element, AppendableChain next) { this.next = next; this.element = element; if (next == null) return; MinimalChain b = new MinimalChain(); b.element = next.element; b.next = next.next; this.next = b; last = next.last; size = next.size+1; } public String toString() { return str(toList()); } // append at the end boolean add(A a) { MinimalChain newLast = new MinimalChain(a); last.next = newLast; last = newLast; ++size; return true; } // drop first element AppendableChain popFirst() { if (next == null) return null; element = next.element; if (last == next) last = this; next = next.next; --size; return this; } ArrayList toList() { ArrayList l = emptyList(size); MinimalChain c = this; while (c != null) { l.add(c.element); c = c.next; } return l; } //public Iterator iterator() { ret toList().iterator(); } class ACIt extends IterableIterator < A > { MinimalChain c = AppendableChain.this; public boolean hasNext() { return c != null; } public A next() { var a = c.element; c = c.next; return a; } } public IterableIterator iterator() { return new ACIt(); } } static class MultiSleeper extends RestartableCountdown implements ISleeper_v2 { MultiSetMap entries = treeMultiSetMap(); void check() { var time = nextWakeUpTime(); var action = firstValue(entries); setTargetTime(time == null ? 0 : time.sysTime(), new Runnable() { public void run() { try { Set toCall; synchronized(MultiSleeper.this) { toCall = entries.get(time); entries.remove(time); check(); } pcallFAll(toCall); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "Set toCall;\r\n synchronized(MultiSleeper.this) {\r\n toCal..."; }}); } synchronized void removeEntry(Timestamp targetTime, Runnable action) { entries.remove(targetTime, action); } // API synchronized Timestamp nextWakeUpTime() { return firstKey(entries); } public synchronized Sleeping doLater(Timestamp targetTime, Runnable r) { if (r == null || targetTime == null) return null; targetTime = max(targetTime, tsNow()); entries.put(targetTime, r); check(); return new Sleeping(targetTime, r) { public void close() { try { removeEntry(targetTime, r); } catch (Exception __e) { throw rethrow(__e); } } }; } } static class Seconds implements Comparable , IFieldsToList{ double seconds; Seconds() {} Seconds(double seconds) { this.seconds = seconds;} public boolean equals(Object o) { if (!(o instanceof Seconds)) return false; Seconds __1 = (Seconds) o; return seconds == __1.seconds; } public int hashCode() { int h = -660217249; h = boostHashCombine(h, _hashCode(seconds)); return h; } public Object[] _fieldsToList() { return new Object[] {seconds}; } final double get(){ return seconds(); } final double getDouble(){ return seconds(); } double seconds() { return seconds; } public String toString() { return formatDouble(seconds, 3) + " s"; } public int compareTo(Seconds s) { return cmp(seconds, s.seconds); } Seconds div(double x) { return new Seconds(get()/x); } Seconds minus(Seconds x) { return new Seconds(get()-x.get()); } } enum UpDown { up(true), down(false); boolean bit = false; private UpDown(boolean bit) { this.bit = bit;} static UpDown fromBool(boolean bit) { return bit ? up : down; } boolean isUp() { return bit; } boolean isDown() { return !bit; } int direction() { return isUp() ? 1 : -1; } } abstract static class RandomAccessAbstractList extends AbstractList implements RandomAccess { } static interface IVar extends IF0 { void set(A a); A get(); // reified type of value (if available) default Class getType() { return null; } default IF0 getter() { return () -> get(); } default IVF1 setter() { return __1 -> set(__1); } default boolean has() { return get() != null; } default void clear() { set(null); } } static interface ILongQueue { public boolean isEmpty(); public void add(long element); // return value is undefined if queue is empty public long poll(); } static class PriceDigitizer2 implements IFieldsToList{ PriceCells cells; PriceDigitizer2() {} PriceDigitizer2(PriceCells cells) { this.cells = cells;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + cells + ")"; }public Object[] _fieldsToList() { return new Object[] {cells}; } final public PriceDigitizer2 setCellNumber(int cellNumber){ return cellNumber(cellNumber); } public PriceDigitizer2 cellNumber(int cellNumber) { this.cellNumber = cellNumber; return this; } final public int getCellNumber(){ return cellNumber(); } public int cellNumber() { return cellNumber; } int cellNumber = Integer.MIN_VALUE; final public PriceDigitizer2 setLastCellNumber(int lastCellNumber){ return lastCellNumber(lastCellNumber); } public PriceDigitizer2 lastCellNumber(int lastCellNumber) { this.lastCellNumber = lastCellNumber; return this; } final public int getLastCellNumber(){ return lastCellNumber(); } public int lastCellNumber() { return lastCellNumber; } int lastCellNumber = Integer.MIN_VALUE; final public PriceDigitizer2 setVerbose(boolean verbose){ return verbose(verbose); } public PriceDigitizer2 verbose(boolean verbose) { this.verbose = verbose; return this; } final public boolean getVerbose(){ return verbose(); } public boolean verbose() { return verbose; } boolean verbose = false; final public PriceDigitizer2 setUpDownSequence(UpDownSequence upDownSequence){ return upDownSequence(upDownSequence); } public PriceDigitizer2 upDownSequence(UpDownSequence upDownSequence) { this.upDownSequence = upDownSequence; return this; } final public UpDownSequence getUpDownSequence(){ return upDownSequence(); } public UpDownSequence upDownSequence() { return upDownSequence; } UpDownSequence upDownSequence = new UpDownSequence(); // returns new digitized price double digitize(double price) { double cn = cells.toCellNumber(price); if (cellNumber == Integer.MIN_VALUE) { cellNumber = lastCellNumber = iround(cn); } else { lastCellNumber = cellNumber; cellNumber = iroundTowardsWithOutwardEpsilon(cn, cellNumber, epsilon()); // TODO: assuming there are only 1-steps if (cellNumber > lastCellNumber) { if (upDownSequence != null) upDownSequence.addUp(); } else if (cellNumber < lastCellNumber) { if (upDownSequence != null) upDownSequence.addDown(); } } return digitizedPrice(); } double epsilon() { return 1e-4; } double digitizedPrice() { return cells.fromCellNumber(cellNumber); } double lastDigitizedPrice() { return cells.fromCellNumber(lastCellNumber); } // digitize price without looking at history double digitizeIndividually(double price) { double cn = cells.toCellNumber(price); return cells.fromCellNumber(round(cn)); } PriceCells priceCells() { return cells; } // brave void swapPriceCells(PriceCells newPriceCells) { cells = newPriceCells; } } // little-endian static class BitBuffer implements IntSize { BitBuffer() {} ByteBuffer byteBuffer = new ByteBuffer(); // TODO (optimization): use a growing circular buffer int currentByte, currentBit; void add(int b) { add(odd(b)); } void add(boolean b) { if (b) currentByte |= 1 << currentBit; if (currentBit == 7) { byteBuffer.add((byte) currentByte); currentByte = 0; currentBit = 0; } else ++currentBit; } boolean get(int iBit) { int iByte = iBit >> 3; int theByte = iByte == byteBuffer.size() ? currentByte : byteBuffer.get(iByte); return (theByte & (1 << (iBit & 7))) != 0; } boolean hasFullByte() { return !byteBuffer.isEmpty(); } byte popFullByte() { return byteBuffer.popFirst(); } public int size() { return byteBuffer.size()*8 + currentBit; } // TODO: optimize void writeBits(int data, int nBits) } // uses hash sets as inner sets unless subclassed // uses a hash map as the outer map by default static class MultiSetMapimplements IMultiMap { Map> data = new HashMap>(); int size; // number of values MultiSetMap() {} MultiSetMap(boolean useTreeMap) { if (useTreeMap) data = new TreeMap(); } MultiSetMap(MultiSetMap map) { putAll(map); } MultiSetMap(Map> data) { this.data = data;} boolean put(A key, B value) { synchronized(data) { Set set = data.get(key); if (set == null) data.put(key, set = _makeEmptySet()); if (!set.add(value)) return false; { ++size; return true; } }} boolean add(A key, B value) { return put(key, value); } void addAll(A key, Collection values) { synchronized(data) { 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); }} final boolean contains(A key, B value){ return containsPair(key, value); } boolean containsPair(A key, B value) { synchronized(data) { return get(key).contains(value); }} void putAll(A key, Collection values) { synchronized(data) { for (B value : values) put(key, value); }} void removeAll(A key, Collection values) { synchronized(data) { for (B value : values) remove(key, value); }} public Set get(A key) { synchronized(data) { Set set = data.get(key); return set == null ? Collections. emptySet() : set; }} List getAndClear(A key) { synchronized(data) { List l = cloneList(data.get(key)); remove(key); return l; }} // return null if empty Set getOpt(A key) { synchronized(data) { return data.get(key); }} // returns actual mutable live set // creates the set if not there Set getActual(A key) { synchronized(data) { Set set = data.get(key); if (set == null) data.put(key, set = _makeEmptySet()); return set; }} // TODO: this looks unnecessary void clean(A key) { synchronized(data) { Set list = data.get(key); if (list != null && list.isEmpty()) data.remove(key); }} final public Set keys(){ return keySet(); } public Set keySet() { synchronized(data) { return data.keySet(); }} void remove(A key) { synchronized(data) { size -= l(data.get(key)); data.remove(key); }} void remove(A key, B value) { synchronized(data) { Set set = data.get(key); if (set != null) { if (set.remove(value)) { --size; if (set.isEmpty()) data.remove(key); } } }} void clear() { synchronized(data) { data.clear(); size = 0; }} boolean containsKey(A key) { synchronized(data) { return data.containsKey(key); }} B getFirst(A key) { synchronized(data) { return first(get(key)); }} void addAll(MultiSetMap map) { putAll(map); } void putAll(MultiSetMap 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 public int size() { synchronized(data) { return size; }} // count values for key int getSize(A key) { return l(data.get(key)); } int count(A key) { return getSize(key); } // expensive operation Set reverseGet(B b) { synchronized(data) { Set l = new HashSet(); for (A key : data.keySet()) if (data.get(key).contains(b)) l.add(key); return l; }} // expensive operation A keyForValue(B b) { synchronized(data) { for (A key : data.keySet()) if (data.get(key).contains(b)) return key; return null; }} Map> asMap() { synchronized(data) { return cloneMap(data); }} boolean isEmpty() { synchronized(data) { return data.isEmpty(); }} // override in subclasses Set _makeEmptySet() { return new HashSet(); } Collection> allLists() { synchronized(data) { return new HashSet(data.values()); } } List allValues() { return concatLists(values(data)); } List> allEntries() { synchronized(data) { List> l = emptyList(size); for (Map.Entry> __0 : _entrySet( data)) { A a = __0.getKey(); Set set = __0.getValue(); for (B b : set) l.add(pair(a, b)); } return l; }} Object mutex() { return data; } public String toString() { return "mm" + str(data); } Pair firstEntry() { synchronized(data) { if (empty(data)) return null; Map.Entry> entry = data.entrySet().iterator().next(); return pair(entry.getKey(), first(entry.getValue())); }} A firstKey() { synchronized(data) { return main.firstKey(data); }} A lastKey() { synchronized(data) { return (A) ((NavigableMap) data).lastKey(); }} A higherKey(Object a) { synchronized(data) { return (A) ((NavigableMap) data).higherKey(a); }} } static class MinimalChain implements Iterable { A element; MinimalChain next; MinimalChain() {} MinimalChain(A element) { this.element = element;} MinimalChain(A element, MinimalChain next) { this.next = next; this.element = element;} public String toString() { return str(toList()); } ArrayList toList() { ArrayList l = new ArrayList(); MinimalChain c = this; while (c != null) { l.add(c.element); c = c.next; } return l; } void setElement(A a) { element = a; } void setNext(MinimalChain next) { this.next = next; } // TODO: optimize public Iterator iterator() { return toList().iterator(); } A get() { return element; } } static class JustCountingOutputStream extends OutputStream { long counter; @Override public void write(int b) throws IOException { ++counter; } @Override public void write(byte[] b) throws IOException { counter += b.length; } @Override public void write(byte[] b, int off, int len) throws IOException { counter += len; } final long get(){ return getFilePointer(); } long getFilePointer() { return counter; } } static class RestartableCountdown implements AutoCloseable { java.util.Timer timer; long targetTime; // in sys time long /*firings,*/ totalSleepTime; // stats synchronized void setTargetTime(long targetTime, Runnable action) { if (targetTime <= 0) stop(); else if (targetTime != this.targetTime) { start(targetTime-sysNow(), action); this.targetTime = targetTime; } } // stops the countdown and restarts it synchronized void start(long delayMS, Object action) { stop(); if (delayMS <= 0) { startThread(new Runnable() { public void run() { try { callF(action); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callF(action);"; }}); } else { totalSleepTime += delayMS; timer = doLater_daemon(delayMS, action); targetTime = sysNow()+delayMS; } } void start(double delaySeconds, Object action) { start(toMS(delaySeconds), action); } synchronized void stop() { cancelTimer(timer); timer = null; targetTime = 0; } public void close() { stop(); } } static class ByteBuffer implements Iterable { byte[] data; int size; ByteBuffer() {} ByteBuffer(int size) { if (size != 0) data = new byte[size]; } ByteBuffer(Iterable l) { if (l instanceof Collection) allocate(((Collection) l).size()); addAll(l); } ByteBuffer(byte[] data) { this.data = data; size = l(data); } // TODO *(ByteBuffer buf) { ... } void add(int idx, int i) { add(0); arraycopy(data, idx, data, idx+1, size-(idx+1)); data[idx] = (byte) i; } void add(int i) { add((byte) i); } void add(byte i) { if (size >= lByteArray(data)) { allocate(Math.max(1, toInt(Math.min(maximumSafeArraySize(), lByteArray(data)*2L)))); if (size >= data.length) throw fail("ByteBuffer too large: " + size); } data[size++] = i; } void allocate(int n) { data = resizeByteArray(data, max(n, size())); } void addAll(Iterable l) { if (l != null) for (byte i : l) add(i); } final byte[] toByteArray(){ return toArray(); } byte[] toArray() { return size == 0 ? null : resizeByteArray(data, size); } List toList() { return byteArrayToList(data, 0, size); } List asVirtualList() { return new RandomAccessAbstractList() { public int size() { return size; } public Byte get(int i) { return ByteBuffer.this.get(i); } public Byte set(int i, Byte val) { Byte a = get(i); data[i] = val; return a; } }; } void reset() { size = 0; } void clear() { reset(); } int size() { return size; } boolean isEmpty() { return size == 0; } byte get(int idx) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); return data[idx]; } void set(int idx, byte value) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); data[idx] = value; } byte popLast() { if (size == 0) throw fail("empty buffer"); return data[--size]; } // unefficient byte popFirst() { if (size == 0) throw fail("empty buffer"); byte b = data[0]; arraycopy(data, 1, 0, --size); return b; } byte last() { return data[size-1]; } byte nextToLast() { return data[size-2]; } public String toString() { return squareBracket(joinWithSpace(toList())); } public Iterator iterator() { return new IterableIterator() { int i = 0; public boolean hasNext() { return i < size; } public Byte next() { //if (!hasNext()) fail("Index out of bounds: " + i); return data[i++]; } }; } /*public ByteIterator byteIterator() { ret new ByteIterator { int i = 0; public bool hasNext() { ret i < size; } public int next() { //if (!hasNext()) fail("Index out of bounds: " + i); ret data[i++]; } toString { ret "Iterator@" + i + " over " + ByteBuffer.this; } }; }*/ void trimToSize() { data = resizeByteArray(data, size); } int indexOf(byte b) { for (int i = 0; i < size; i++) if (data[i] == b) return i; return -1; } byte[] subArray(int start, int end) { return subByteArray(data, start, min(end, size)); } } /*sinterface ISleeper extends ISleeper_v2, AutoCloseable { void doLater(long targetSysTime, Runnable r); // call only once }*/ volatile static boolean loading_value = true; static boolean loading() { return loading_value; } static Set createOrAddToSyncLinkedHashSet(Set set, A a) { if (set == null) set = syncLinkedHashSet(); set.add(a); return set; } 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 pcallF_typed(F0 f) { try { return f == null ? null : f.get(); } catch (Throwable __e) { pcallFail(__e); } return null; } static B pcallF_typed(F1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { pcallFail(__e); } return null; } static void pcallF_typed(VF1 f, A a) { try { { if (f != null) f.get(a); } } catch (Throwable __e) { pcallFail(__e); } } static void pcallF_typed(IVF1 f, A a) { try { { if (f != null) f.get(a); } } catch (Throwable __e) { pcallFail(__e); } } static void pcallF_typed(IVF2 f, A a, B b) { try { { if (f != null) f.get(a, b); } } catch (Throwable __e) { pcallFail(__e); } } static Object pcallF_typed(Runnable r) { try { { if (r != null) r.run(); } } catch (Throwable __e) { pcallFail(__e); } return null; } static A pcallF_typed(IF0 f) { try { return f == null ? null : f.get(); } catch (Throwable __e) { pcallFail(__e); } return null; } static B pcallF_typed(IF1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { pcallFail(__e); } return null; } static boolean isEmpty(Collection c) { return c == null || c.isEmpty(); } static boolean isEmpty(File f) { return f == null || f.length() == 0; } 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 boolean isEmpty(DoubleRange r) { return r == null || r.isEmpty(); } static boolean isEmpty(AppendableChain c) { return c == null; } static boolean isEmpty(IntSize l) { return l == null || l.size() == 0; } static boolean differentByEpsilonRatio(double a, double b, double epsilon) { return sign(a) != sign(b) || diffRatio(abs(a), abs(b)) > epsilon; } static void add(BitSet bs, int i) { bs.set(i); } static boolean add(Collection c, A a) { return c != null && c.add(a); } static void add(Container c, Component x) { addToContainer(c, x); } static long add(AtomicLong l, long b) { return l.addAndGet(b); } 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 void assertEquals(Scorer scorer, Object x, Object y) { assertEquals(scorer, "", x, y); } static void assertEquals(Scorer scorer, String msg, Object x, Object y) { if (scorer == null) { assertEquals(msg, x, y); return; } scorer.add(eq(x, y), nullIfEmpty(msg)); } static String commaCombine(Object... l) { return joinNemptiesWithComma(flattenCollectionsAndArrays(l)); } static String spaceCombine(Object... l) { return joinNemptiesWithSpace(flattenCollections(ll(l))); } static String roundBracket(String s) { return "(" + s + ")"; } static String roundBracket(Object s) { return roundBracket(str(s)); } static String formatDays(Duration d) { return formatDays(d, 1); } static String formatDays(Duration d, int decimals) { return formatDays(toMS(d), decimals); } static String formatDays(long ms) { return formatDays(ms, 1); } static String formatDays(long ms, int decimals) { return formatDays(toDays(ms), decimals); } static String formatDays(double days) { return formatDays(days, 1); } static String formatDays(double days, int decimals) { String formatted = formatDouble(days, decimals); return eq(formatted, "1") ? "1 day" : formatted + " days"; } static Duration duration(TimestampRange r) { return r == null ? Duration.ZERO : r.duration(); } 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_getPlural(String singular) { //ret singular + "s"; return plural(singular); } static String n2(double l, String singular) { return empty(singular) ? str(l) : n2(l, singular, n2_getPlural(singular)); } 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, n2_getPlural(singular)); } 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, n2_getPlural(singular)); } static String n2(IMultiMap mm, String singular, String plural) { return n_fancy2(l(mm), singular, plural); } 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 int[] subArray(int[] b, int start, int end) { int[] x = new int[end-start]; System.arraycopy(b, start, x, 0, end-start); return x; } static byte[] subArray(byte[] b, int start, int end) { start = max(start, 0); end = min(end, l(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 long[] subArray(long[] b, int start, int end) { start = max(start, 0); end = min(end, l(b)); if (start >= end) return new long[0]; long[] x = new long[end-start]; System.arraycopy(b, start, x, 0, end-start); return x; } static short[] subArray(short[] b, int start, int end) { if (start <= 0 && end >= l(b)) return b; short[] x = new short[end-start]; System.arraycopy(b, start, x, 0, end-start); return x; } static float[] subArray(float[] b, int start, int end) { float[] x = new float[end-start]; System.arraycopy(b, start, x, 0, end-start); return x; } static Object[] subArray(Object[] b, int start) { return subArray(b, start, l(b)); } static Object[] subArray(Object[] b, int start, int end) { start = max(start, 0); end = min(end, l(b)); if (start >= end) return new Object[0]; Object[] x = new Object[end-start]; System.arraycopy(b, start, x, 0, end-start); return x; } static long secondsToMS(double seconds) { return toMS(seconds); } static double daysToSeconds(double days) { return round(days*24*60*60); } static long daysToMS(double days) { return round(days*24*60*60*1000); } static > int binarySearch_insertionPoint(List l, A a) { int i = Collections.binarySearch(l, a); return i < 0 ? -i-1 : i; } static long lround(double d) { return Math.round(d); } static long lround(Number n) { return lround(toDouble(n)); } 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 long last(long[] 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 A last(ReverseChain l) { return l == null ? null : l.element; } static byte last(ByteBuffer buf) { return buf.get(buf.size()-1); } static double last(DoubleBuffer l) { return l.last(); } static double last(IDoubleBuffer l) { return l.last(); } static long last(ILongBuffer l) { return l.last(); } static long last(SynchronizedLongBuffer l) { return l.last(); } static A last(CompactLinkedHashSet set) { return set == null ? null : set.last(); } static int clampToLength(int length, int i) { return clamp(i, 0, length-1); } // TODO: optimize to x-(x%n) in case that's the same thing // (or x-mod(x,n)?) static int roundDownTo(int n, int x) { return x/n*n; } static long roundDownTo(long n, long x) { return x/n*n; } static double roundDownTo(double n, double x) { return floor(x/n)*n; } static double doubleMin(Iterable l) { double min = infinity(); for (double d : unnullForIteration(l)) min = Math.min(min, d); return min; } static double doubleMin(double... l) { double min = infinity(); for (double d : unnullForIteration(l)) min = Math.min(min, d); return min; } static double doubleMax(Iterable l) { double max = negativeInfinity(); for (double d : unnullForIteration(l)) max = Math.max(max, d); return max; } static double doubleMax(double[] l) { double max = negativeInfinity(); for (double d : unnullForIteration(l)) max = Math.max(max, d); return max; } static double doubleMax(double[] l, int from, int to) { double max = negativeInfinity(); for (int i = from; i < to; i++) max = Math.max(max, l[i]); return max; } static Matcher regexp(String pat, String s) { return regexp(compileRegexp(pat), unnull(s)); } static Matcher regexp(java.util.regex.Pattern pat, String s) { return pat.matcher(unnull(s)); } static java.util.regex.Pattern regexp(String pat) { return compileRegexp(pat); } static long toLong(Object o) { if (o instanceof Number) return ((Number) o).longValue(); if (o instanceof String) return parseLong((String) o); return 0; } static String regexpFirstGroup(String pat, String s) { Matcher m = regexpMatcher(pat, s); if (m.find()) return m.group(1); else return null; } static String regexpFirstGroup(java.util.regex.Pattern pat, String s) { Matcher m = regexpMatcher(pat, s); if (m.find()) return m.group(1); else return null; } static String regexpFirstGroup(String pat, Iterable strings) { var compiled = compileRegexp(pat); for (String s : unnullForIteration(strings)) { String group = regexpFirstGroup(compiled, s); if (group != null) return group; } return null; } static Map parseJSONMap(String s) { return jsonDecodeMap(s); } static PriceDigitizer2 geometricPriceDigitizer(double c0, double cellSizeInPercent) { return new PriceDigitizer2(new GeometricPriceCells(c0, cellSizeInPercent)); } static class ListFromFunction extends RandomAccessAbstractList implements IFieldsToList{ int n; IF1 f; ListFromFunction() {} ListFromFunction(int n, IF1 f) { this.f = f; this.n = n;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + n + ", " + f + ")"; }public Object[] _fieldsToList() { return new Object[] {n, f}; } public int size() { return n; } public A get(int i) { return f.get(i); } } static List listFromFunction(int n, IF1 f) { return new ListFromFunction(n, f); } static List listFromFunction(IF1 f, int n) { return new ListFromFunction(n, f); } 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) { var it = l.iterator(); if (it.hasNext()) { var pingSource = pingSource(); do { ping(pingSource); x.add(f.get(it.next())); } while (it.hasNext()); } } 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 int iround(double d) { return (int) Math.round(d); } static int iround(Number n) { return iround(toDouble(n)); } static CloseableIterableIterator linesFromFile(File f) { return linesFromFile(f, null); } static CloseableIterableIterator linesFromFile(File f, IResourceHolder resourceHolder) { try { if (!f.exists()) return emptyCloseableIterableIterator(); if (ewic(f.getName(), ".gz")) return linesFromReader(utf8bufferedReader(newGZIPInputStream(f)), resourceHolder); return linesFromReader(utf8bufferedReader(f), resourceHolder); } catch (Exception __e) { throw rethrow(__e); } } static CloseableIterableIterator linesFromFile(String path) { return linesFromFile(path, null); } static CloseableIterableIterator linesFromFile(String path, IResourceHolder resourceHolder) { return linesFromFile(newFile(path), resourceHolder); } static void pcallFail(Throwable e) { pcallPolicyForThread().handlePcallFail(e); } static void pcallFail(String msg) { pcallFail(new Throwable(msg)); } static void _close(AutoCloseable c) { if (c != null) try { c.close(); } catch (Throwable e) { // Some classes stupidly throw an exception on double-closing if (c instanceof javax.imageio.stream.ImageOutputStream) return; else throw rethrow(e); } } 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 int _hashCode(Object a) { return a == null ? 0 : a.hashCode(); } static void guarantee(Object o) { assertTrue(o); } static boolean guarantee(String msg, boolean b) { return assertTrue(msg, b); } static boolean guarantee(boolean b) { return assertTrue(b); } static boolean guarantee(Scorer scorer, boolean b) { return assertTrue(scorer, b); } static float average(float a, float b) { return (a+b)/2; } static double average(double a, double b) { return (a+b)/2; } static String nValues(long n) { return n2(n, "value"); } static String nValues(Collection l) { return nValues(l(l)); } static String nValues(Map map) { return nValues(l(map)); } static float avg(float a, float b) { return (a+b)/2; } static double avg(double a, double b) { return (a+b)/2; } static double avg(double[] l) { return doubleAverage(l); } static double standardDeviation(int... a) { if (empty(a)) return 0; double avg = doubleAverage(a), sum = 0; for (int i = 0; i < l(a); i++) sum += sqr(a[i]-avg); return sqrt(sum/l(a)); } static double standardDeviation(double... a) { if (empty(a)) return 0; double avg = doubleAverage(a), sum = 0; for (int i = 0; i < l(a); i++) sum += sqr(a[i]-avg); return sqrt(sum/l(a)); } static double standardDeviation(Collection a) { if (empty(a)) return 0; double avg = doubleAverage(a), sum = 0; for (double d : a) sum += sqr(d-avg); return sqrt(sum/l(a)); } 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(Object o) { return allInterfacesImplementedBy(_getClass(o)); } 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 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 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); } } return unquoteSingleOrDoubleQuotes(s); } 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 ArrayList toList(A[] a) { return asList(a); } static ArrayList toList(int[] a) { return asList(a); } static ArrayList toList(short[] a) { return asList(a); } static ArrayList toList(long[] 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 float clamp(float x, float a, float b) { return x < a ? a : x > b ? b : x; } static double clamp(double x, double a, double b) { return x < a ? a : x > b ? b : x; } static int clamp(int x, int a, int b) { return x < a ? a : x > b ? b : x; } static long clamp(long x, long a, long b) { return x < a ? a : x > b ? b : x; } static A _print(String s, A a) { return print(s, a); } static A _print(A a) { return print(a); } static void _print() { print(); } static boolean _eq(Object a, Object b) { return eq(a, b); } static String toString(Object o) { return strOrNull(o); } 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 String formatDouble(DoubleRange r, int digits) { return r == null ? "null" : "[" + formatDouble(r.start, digits) + ";" + formatDouble(r.end, digits) + "]"; } static double ratioToPercent(double x, double y) { return x*100/y; } 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 BetterThreadLocal pingSource_tl_var = new BetterThreadLocal() { @Override public PingSource initialValue() { return ping_v3_pingSourceMaker().get(); } }; static BetterThreadLocal pingSource_tl() { return pingSource_tl_var; } 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(IntRange r) { return !empty(r); } static boolean nempty(Rect r) { return r != null && r.w != 0 && r.h != 0; } 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 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 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; } 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 String a(String noun) { if (eq(noun, "")) return "?"; return ("aeiou".indexOf(noun.charAt(0)) >= 0 ? "an " : "a ") + noun; } static String a(String contents, Object... params) { return hfulltag("a", contents, params); } static String b(Object contents, Object... params) { return fulltag("b", contents, params); } 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 UnsupportedOperationException unsupportedOperation() { throw new UnsupportedOperationException(); } 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 double infinity() { return positiveInfinity(); } static double toSeconds(long ms) { return ms/1000.0; } static String toSeconds(long ms, int digits) { return formatDouble(toSeconds(ms), digits); } static double toSeconds(double ms) { return ms/1000.0; } static String toSeconds(double ms, int digits) { return formatDouble(toSeconds(ms), digits); } static String firstToUpper(String s) { if (empty(s)) return s; return Character.toUpperCase(s.charAt(0)) + s.substring(1); } static String formatPrice(double price) { //ret formatDouble2(price); return formatDouble_significant(price, 6); } static A shallowClone(A o) { return (A) shallowClone_impl(o); } static A shallowClone(A o, A emptyClone) { return copyFields(o, emptyClone); } static Object shallowClone_impl(Object o) { if (o == null) return o; if (o instanceof List) return cloneList((List) o); if (o instanceof Map) return cloneMap((Map) o); if (o instanceof String || o instanceof Number || o instanceof Boolean) return o; if (o instanceof Object[]) { Object[] l = (Object[]) o; return l.clone(); } // clone an arbitrary custom object Object clone; if (o instanceof IMakeEmptyClone) clone = ((IMakeEmptyClone) o).makeEmptyClone(); else clone = nuEmptyObject(o.getClass()); //print("Cloning custom: " + o); copyFields(o, clone); return clone; } static java.awt.Color color(String hex) { return awtColor(hex); } static Color directionToCandleColor(double direction) { return direction < 0 ? colorFromHex("f1493f") : direction > 0 ? colorFromHex("1da2b4") : Color.white; } static boolean stdEq2(Object a, Object b) { if (a == null) return b == null; if (b == null) return false; if (a.getClass() != b.getClass()) return false; for (String field : allFields(a)) if (neq(getOpt(a, field), getOpt(b, field))) return false; return true; } static int stdHash2(Object a) { if (a == null) return 0; return stdHash(a, toStringArray(allFields(a))); } static int length(Object[] array) { return array == null ? 0 : array.length; } static int length(List list) { return list == null ? 0 : list.size(); } static int length(String s) { return s == null ? 0 : s.length(); } static boolean lessOrEq(int a, int b) { return lessThanOrEqual(a, b); } static boolean lessOrEq(double a, double b) { return lessThanOrEqual(a, b); } static > boolean lessOrEq(A a, A b) { return lessThanOrEqual(a, b); } static String shortClassName_dropNumberPrefix(Object o) { return dropNumberPrefix(shortClassName(o)); } static int lDoubleArray(double[] a) { return a == null ? 0 : a.length; } static double[] resizeDoubleArray(double[] a, int n) { if (n == l(a)) return a; double[] b = new double[n]; arraycopy(a, 0, b, 0, min(l(a), n)); return b; } static int toInt(Object o) { if (o == null) return 0; if (o instanceof Number) return ((Number) o).intValue(); if (o instanceof String) return parseInt((String) o); if (o instanceof Boolean) return boolToInt((Boolean) o); throw fail("woot not int: " + getClassName(o)); } static int toInt(long l) { if (l != (int) l) throw fail("Too large for int: " + l); return (int) l; } static int maximumSafeArraySize() { return Integer.MAX_VALUE-8; } static Object[] toArray(Collection c) { return toObjectArray(c); } static A[] toArray(Class type, Iterable c) { return toArray(c, type); } static A[] toArray(Class type, Collection c) { return toArray(c, type); } static A[] toArray(Collection c, Class type) { A[] a = arrayOfType(l(c), type); if (a.length == 0) return a; asList(c).toArray(a); return a; } static A[] toArray(Iterable c, Class type) { var c2 = asList(c); A[] a = arrayOfType(l(c2), type); if (a.length == 0) return a; c2.toArray(a); return a; } // array must have correct length and will be filled static A[] toArray(A[] array, Collection c) { if (array == null || c == null) return null; asList(c).toArray(array); return array; } static ArrayList doubleArrayToList(double[] a) { if (a == null) return null; return doubleArrayToList(a, 0, a.length); } // no range checking on from/to in the interest of speed static ArrayList doubleArrayToList(double[] a, int from, int to) { if (a == null) return null; ArrayList < Double > l = new ArrayList<>(to-from); for (int i = from; i < to; i++) l.add(a[i]); return l; } static List asVirtualList(A[] a) { return wrapArrayAsList(a); } 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 String squareBracket(String s) { return "[" + s + "]"; } static String formatLocalDateWithSeconds(long time) { return localDateWithSeconds(time); } static String formatLocalDateWithSeconds() { return localDateWithSeconds(); } static int lLongArray(long[] a) { return a == null ? 0 : a.length; } static long[] resizeLongArray(long[] a, int n) { if (n == lLongArray(a)) return a; long[] b = new long[n]; arraycopy(a, 0, b, 0, Math.min(lLongArray(a), n)); return b; } static ArrayList longArrayToList(long[] a) { if (a == null) return null; return longArrayToList(a, 0, a.length); } // no range checking on from/to in the interest of S P E E E E E EEED static ArrayList longArrayToList(long[] a, int from, int to) { if (a == null) return null; ArrayList < Long > l = new ArrayList<>(to-from); for (int i = from; i < to; i++) l.add(a[i]); return l; } static volatile int numberOfCores_value; static int numberOfCores() { if (numberOfCores_value == 0) numberOfCores_value = Runtime.getRuntime().availableProcessors(); return numberOfCores_value; } // runnable = Runnable or String (method name) static Thread newThread(Object runnable) { return new BetterThread(_topLevelErrorHandling(toRunnable(runnable))); } static Thread newThread(Object runnable, String name) { if (name == null) name = defaultThreadName(); return new BetterThread(_topLevelErrorHandling(toRunnable(runnable)), name); } static Thread newThread(String name, Object runnable) { return newThread(runnable, name); } static int random(int n) { return random(n, defaultRandomGenerator()); } static int random(int n, Random r) { return random(r, n); } static long random(long n) { return random(n, defaultRandomGenerator()); } static long random(long n, Random r) { return random(r, n); } static int random(Random r, int n) { return n <= 0 ? 0 : getRandomizer(r).nextInt(n); } static long random(Random r, long n) { return n <= 0 ? 0 : getRandomizer(r).nextLong(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); } // min <= value < max static long random(long min, long 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 int random(IntRange r) { return random(r.start, r.end); } static double random(DoubleRange r) { return random(r.start, r.end); } static Timestamp random(TimestampRange r) { return r == null ? null : new Timestamp(random(r.startTime().unixDate(), r.endTime().unixDate())); } static Pair random(Map map) { return entryToPair(random(entries(map))); } static A popFirst(List l) { if (empty(l)) return null; A a = first(l); l.remove(0); return a; } static A popFirst(Collection l) { if (empty(l)) return null; A a = first(l); l.remove(a); return a; } static Pair popFirst(Map map) { if (map == null) return null; var it = map.entrySet().iterator(); if (!it.hasNext()) return null; var p = mapEntryToPair(it.next()); it.remove(); return p; } static List popFirst(int n, List l) { List part = cloneSubList(l, 0, n); removeSubList(l, 0, n); return part; } static AppendableChain popFirst(AppendableChain a) { return a == null ? null : a.popFirst(); } // Yes the nomenclature is a bit illogical static Chain chainPlus(Chain chain, A a) { return new Chain(a, chain); } static Chain chainPlus(Chain chain, A... l) { for (A a : unnullForIteration(l)) chain = chainPlus(chain, a); return chain; } static ReverseChain chainPlus(ReverseChain chain, A a) { return new ReverseChain(chain, a); } static ReverseChain chainPlus(ReverseChain chain, A... l) { for (A a : unnullForIteration(l)) chain = chainPlus(chain, a); return chain; } static AppendableChain chainPlus(AppendableChain chain, A a) { if (chain == null) return new AppendableChain(a); chain.add(a); return chain; } static AppendableChain chainPlus(AppendableChain chain, A... l) { for (A a : unnullForIteration(l)) chain = chainPlus(chain, a); return chain; } static void syncNotifyAll(Object o) { if (o != null) synchronized(o) { o.notifyAll(); } } static float[] doubleArrayToFloatArray(double[] a) { int n = lDoubleArray(a); float[] b = new float[n]; for (int i = 0; i < n; i++) b[i] = (float) a[i]; return b; } static int lFloatArray(float[] a) { return a == null ? 0 : a.length; } static float[] resizeFloatArray(float[] a, int n) { return resizeArray(a, n); } 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 double[] takeFirstFromFloatArrayAsDoubleArray(float[] a, int n) { double[] b = new double[n]; for (int i = 0; i < n; i++) b[i] = a[i]; return b; } static ArrayList floatArrayToDoubleList(float[] a) { if (a == null) return null; return floatArrayToDoubleList(a, 0, a.length); } // no range checking on from/to in the interest of speed static ArrayList floatArrayToDoubleList(float[] a, int from, int to) { if (a == null) return null; ArrayList < Double > l = new ArrayList<>(to-from); for (int i = from; i < to; i++) l.add((double) a[i]); return l; } static double[] subFloatArrayAsDoubleArray(float[] b, int start) { return subFloatArrayAsDoubleArray(b, start, l(b)); } static double[] subFloatArrayAsDoubleArray(float[] b, int start, int end) { start = max(start, 0); end = min(end, l(b)); if (start >= end) return new double[0]; double[] x = new double[end-start]; for (int i = start; i < end; i++) x[i-start] = b[i]; return x; } static byte[] toASCII(String s) { return s.getBytes(java.nio.charset.StandardCharsets.US_ASCII); } static byte toASCII(char c) { return toASCII(str(new char[] {c}))[0]; } static String fromUtf8(byte[] bytes) { try { return bytes == null ? null : new String(bytes, utf8charset()); } catch (Exception __e) { throw rethrow(__e); } } static byte[] toUtf8(String s) { try { return s.getBytes(utf8charset()); } catch (Exception __e) { throw rethrow(__e); } } static byte toUByte(int i) { if (!isUByte(i)) throw fail("Not a u-byte: " + i); return (byte) i; } static void close(AutoCloseable c) { _close(c); } static long now_virtualTime; static long now() { return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis(); } static BigInteger plus(BigInteger a, BigInteger b) { return a.add(b); } static BigInteger plus(BigInteger a, long b) { return a.add(bigint(b)); } static long plus(long a, long b) { return a+b; } static int plus(int a, int b) { return a+b; } static float plus(float a, float b) { return a+b; } static double plus(double a, double b) { return a+b; } static long toMS(double seconds) { return (long) (seconds*1000); } static long toMS(Duration d) { return d == null ? 0 : d.toMillis(); } static long clockTimeToSystemTime(long now) { return now == 0 ? 0 : now + clockToSysTimeDiff(); } static List minus(Collection a, Object... b) { Set set = asSet(b); List l = new ArrayList(); for (Object s : unnull(a)) if (!set.contains(s)) l.add(s); return l; } static BigInteger minus(BigInteger a, BigInteger b) { return a.subtract(b); } static Complex minus(Complex c) { return c == null ? null : complex(-c.re(), -c.im()); } static int minus(int a, int b) { return a-b; } static int minus(int a) { return -a; } static double minus(double a, double b) { return a-b; } static double minus(double a) { return -a; } static long minus(long a, long b) { return a-b; } static long minus(long a) { return -a; } static java.util.Timer doLater(long delay, final Object r) { ping(); final java.util.Timer timer = new java.util.Timer(); timer.schedule(timerTask(r, timer), delay); return vmBus_timerStarted(timer); } static java.util.Timer doLater(double delaySeconds, final Object r) { return doLater(toMS(delaySeconds), r); } static Timestamp sysTimeToTimestamp(long now) { return now == 0 ? null : new Timestamp(now - clockToSysTimeDiff()); } static Timestamp tsNow() { return new Timestamp(); } static int lIntArray(int[] a) { return a == null ? 0 : a.length; } static int[] resizeIntArray(int[] a, int n) { if (n == lIntArray(a)) return a; int[] b = new int[n]; arraycopy(a, 0, b, 0, Math.min(lIntArray(a), n)); return b; } static long ldiv_round(long a, long b) { return (a+b/2)/b; } static long ldiv_round(double a, double b) { return lround(a/b); } static List characters(final String s) { return stringAsCharacterList(s); } static String upper(String s) { return s == null ? null : s.toUpperCase(); } static char upper(char c) { return Character.toUpperCase(c); } static IterableIterator countIterator(int b) { return countIterator(0, b); } static IterableIterator countIterator(int a, int b) { return countIterator_exclusive(a, b); } static IterableIterator countIterator(int b, IF1 f) { return countIterator(0, b, f); } static IterableIterator countIterator(int a, int b, IF1 f) { return countIterator_exclusive(a, b, f); } static IterableIterator countIterator(int a, int b, int step) { return countIterator_exclusive_step(a, b, step); } static IterableIterator countIterator(double a, double b, double step, IF1 f) { return countIterator_exclusive_step(a, b, step, f); } static IterableIterator countIterator(double a, double b, double step) { return countIterator_exclusive_step(a, b, step); } static IterableIterator countIterator(IF1 f, double a, double b, double step) { return countIterator(a, b, step, f); } static IterableIterator countIterator(IF1 f, int b) { return countIterator(f, 0, b); } static IterableIterator countIterator(IF1 f, int a, int b) { return countIterator_exclusive(a, b, f); } static IterableIterator countIterator(List l) { return countIterator(l(l)); } static int syncL(Collection l) { if (l == null) return 0; synchronized(collectionMutex(l)) { return l.size(); } } static int syncL(Map map) { if (map == null) return 0; synchronized(collectionMutex(map)) { return map.size(); } } static List syncL() { return syncList(); } 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 boolean greaterOrEq(Object a, Object b) { return cmp(a, b) >= 0; } static boolean greaterOrEq(int a, int b) { return a >= b; } static boolean greaterOrEq(double a, double b) { return a >= b; } static int roundUpTo(int n, int x) { return (x+n-1)/n*n; } static long roundUpTo(long n, long x) { return (x+n-1)/n*n; } static double roundUpTo(double n, double x) { return floor((x+n-1)/n)*n; } 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 String nCandles(long n) { return n2(n, "candle"); } static String nCandles(Collection l) { return nCandles(l(l)); } static String nCandles(Map map) { return nCandles(l(map)); } static ByteArrayOutputStream byteArrayOutputStream() { return new ByteArrayOutputStream(); } static String toHexString(byte[] a) { return bytesToHex(a); } static String toHexString(List a) { return bytesToHex(byteListToArray(a)); } static byte[] toByteArray(ByteArrayOutputStream baos) { return baos == null ? null : baos.toByteArray(); } static byte[] toByteArray(Iterator it) { ByteBuffer buf = new ByteBuffer(); while (it.hasNext()) buf.add((byte) it.next().intValue()); return buf.toByteArray(); } static byte[] toByteArray(Collection it) { int n = l(it), i = 0; byte[] a = new byte[n]; for (var x : it) a[i++] = (byte) x.intValue(); return a; } static byte[] toByteArray(Object o) { if (o == null) return null; if (o instanceof byte[]) return ((byte[]) o); if (o instanceof Iterator) return toByteArray((Iterator) o); if (o instanceof Collection) return toByteArray((Collection) ((Collection) o)); // not sure what else to put here throw fail("toByteArray", o); } static BufferedOutputStream bufferedFileOutputStream(File f) { try { return bufferedOutputStream(newFileOutputStream(f)); } catch (Exception __e) { throw rethrow(__e); } } static Object load(String varName) { readLocally(varName); return get(mc(), varName); } static Object load(String progID, String varName) { readLocally(progID, varName); return get(mc(), varName); } static int bufferedInputStream_bufferSize = 65536; static BufferedInputStream bufferedInputStream(int bufSize, File f) { try { return bufferedInputStream(bufSize, newFileInputStream(f)); } catch (Exception __e) { throw rethrow(__e); } } static BufferedInputStream bufferedInputStream(File f) { try { return bufferedInputStream(newFileInputStream(f)); } catch (Exception __e) { throw rethrow(__e); } } static BufferedInputStream bufferedInputStream(InputStream in) { return new BufferedInputStream(in, bufferedInputStream_bufferSize); } static BufferedInputStream bufferedInputStream(int bufSize, InputStream in) { return new BufferedInputStream(in, bufSize); } static MultiSetMap treeMultiSetMap() { return new MultiSetMap(true); } static MultiSetMap treeMultiSetMap(Comparator comparator) { return new MultiSetMap(new TreeMap>(comparator)); } static B firstValue(Map map) { return first(values(map)); } static B firstValue(MultiSetMap map) { return map == null ? null : first(firstValue(map.data)); } static B firstValue(MultiMap map) { return map == null ? null : first(firstValue(map.data)); } 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 A firstKey(Map map) { return first(keys(map)); } static A firstKey(IMultiMap map) { return map == null ? null : first(map.keySet()); } static int seconds() { return seconds(java.util.Calendar.getInstance()); } static int seconds(java.util.Calendar c) { return c.get(java.util.Calendar.SECOND); } static int iroundTowardsWithOutwardEpsilon(double a, double b, double epsilon) { return a > b ? ifloor(a+epsilon) : iceil(a-epsilon); } static long round(double d) { return Math.round(d); } static String round(String s) { return roundBracket(s); } static Complex round(Complex c) { return new Complex(round(c.re), round(c.im)); } static boolean odd(int i) { return (i & 1) != 0; } static boolean odd(long i) { return (i & 1) != 0; } static boolean odd(BigInteger i) { return odd(toInt(i)); } static Set emptySet() { return new HashSet(); } static Map.Entry firstEntry(Map map) { return empty(map) ? null : first(map.entrySet()); } static long sysNow() { ping(); return System.nanoTime()/1000000; } static Thread startThread(Object runnable) { return startThread(defaultThreadName(), runnable); } static Thread startThread(String name, Runnable runnable) { runnable = wrapAsActivity(runnable); return startThread(newThread(runnable, name)); } static Thread startThread(String name, Object runnable) { runnable = wrapAsActivity(runnable); return startThread(newThread(toRunnable(runnable), name)); } static Thread startThread(Thread t) { _registerThread(t); t.start(); return t; } static java.util.Timer doLater_daemon(long delay, final Object r) { final java.util.Timer timer = new java.util.Timer(true); timer.schedule(timerTask(r, timer), delay); return timer; } static java.util.Timer doLater_daemon(double delaySeconds, final Object r) { return doLater_daemon(toMS(delaySeconds), r); } static void cancelTimer(javax.swing.Timer timer) { if (timer != null) timer.stop(); } static void cancelTimer(java.util.Timer timer) { if (timer != null) timer.cancel(); } static void cancelTimer(Object o) { if (o instanceof java.util.Timer) cancelTimer((java.util.Timer) o); else if (o instanceof javax.swing.Timer) cancelTimer((javax.swing.Timer) o); else if (o instanceof AutoCloseable) { try { ((AutoCloseable) o).close(); } catch (Throwable __e) { pcallFail(__e); }} } static int lByteArray(byte[] a) { return a == null ? 0 : a.length; } static byte[] resizeByteArray(byte[] a, int n) { if (n == l(a)) return a; byte[] b = new byte[n]; arraycopy(a, 0, b, 0, min(l(a), n)); return b; } static ArrayList byteArrayToList(byte[] a) { if (a == null) return null; return byteArrayToList(a, 0, a.length); } // no range checking on from/to in the interest of speed static ArrayList byteArrayToList(byte[] a, int from, int to) { if (a == null) return null; ArrayList < Byte > l = new ArrayList<>(to-from); for (int i = from; i < to; i++) l.add(a[i]); return l; } static A popLast(List l) { return liftLast(l); } static List popLast(int n, List l) { return liftLast(n, l); } static double popLast(DoubleBuffer l) { return l.popLast(); } static A nextToLast(List l) { return get(l, l(l)-2); } 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 byte[] subByteArray(byte[] b, IntRange r) { return r == null ? null : subByteArray(b, r.start, r.end); } static Set syncLinkedHashSet() { return synchroLinkedHashSet(); } static int sign(double x) { return x == 0.0 ? 0 : x < 0 ? -1 : 1; } static int sign(long x) { return x == 0 ? 0 : x < 0 ? -1 : 1; } static int sign(int x) { return x == 0 ? 0 : x < 0 ? -1 : 1; } static double diffRatio(double a, double b) { return 1-doubleRatio(min(a, b), max(a, b)); } static float abs(float f) { return Math.abs(f); } static int abs(int i) { return Math.abs(i); } static double abs(double d) { return Math.abs(d); } static double abs(Complex c) { return c.abs(); } static void addToContainer(Container a, Component... b) { if (a == null) return; { swing(() -> { for (Component c : unnullForIteration(b)) if (c != null) a.add(c); }); } } 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 void assertEqualsVerbose(Scorer scorer, Object x, Object y) { assertEqualsVerbose(scorer, "", x, y); } static void assertEqualsVerbose(Scorer scorer, String msg, Object x, Object y) { if (scorer == null) { assertEqualsVerbose(x, y); return; } if (!eq(x, y)) { print(appendColonIfNempty(msg) + y + " != " + x); scorer.add(false); } else { print("OK: " + appendColonIfNempty(msg) + x); scorer.add(true); } } 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 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 List flattenCollectionsAndArrays(Object... whatever) { return flattenCollectionsAndArrays(ll(whatever)); } static String joinNemptiesWithSpace(String... strings) { return joinNempties(" ", strings); } static String joinNemptiesWithSpace(Collection strings) { return joinNempties(" ", strings); } static List flattenCollections(Iterable a) { List l = new ArrayList(); for (Object x : a) if (x instanceof Collection) l.addAll(flattenCollections((Collection) x)); else l.add(x); return l; } static double toDays(long ms) { return ms/(60000.0*60*24); } static String formatWithThousands(long l) { return formatWithThousandsSeparator(l); } static String plural(String s) { return getPlural(s); } 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 double floor(double d) { return Math.floor(d); } static double negativeInfinity() { return Double.NEGATIVE_INFINITY; } static Map compileRegexp_cache = syncMRUCache(10); static java.util.regex.Pattern compileRegexp(String pat) { java.util.regex.Pattern p = compileRegexp_cache.get(pat); if (p == null) { compileRegexp_cache.put(pat, p = java.util.regex.Pattern.compile(pat)); } return p; } static long parseLong(String s) { if (empty(s)) return 0; return Long.parseLong(dropSuffix("L", s)); } static long parseLong(Object s) { return Long.parseLong((String) s); } static Matcher regexpMatcher(String pat, String s) { return compileRegexp(pat).matcher(unnull(s)); } static Matcher regexpMatcher(java.util.regex.Pattern pat, String s) { return pat.matcher(unnull(s)); } static Map jsonDecodeMap(String s) { Object o = jsonDecode(s); if (o instanceof List && empty((List) o)) return new HashMap(); if (o instanceof Map) return (Map) o; else throw fail("Not a JSON map: " + s); } // assumptions: // -pingSource() stays constant within a stack frame (so you can cache it) // -all changes happen with tempSetPingSource // -multiple threads can share a PingSource static PingSource pingSource() { return pingSource_tl().get(); } static PingSource pingSource(Thread thread) { return pingSource_tl().get(thread); } static CloseableIterableIterator emptyCloseableIterableIterator_instance = new CloseableIterableIterator() { public Object next() { throw fail(); } public boolean hasNext() { return false; } }; static CloseableIterableIterator emptyCloseableIterableIterator() { return emptyCloseableIterableIterator_instance; } static CloseableIterableIterator linesFromReader(Reader r) { return linesFromReader(r, null); } static CloseableIterableIterator linesFromReader(Reader r, IResourceHolder resourceHolder) { final BufferedReader br = bufferedReader(r); return holdResource(resourceHolder, iteratorFromFunction_f0_autoCloseable(new F0() { public String get() { try { return readLineFromReaderWithClose(br); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "return readLineFromReaderWithClose(br);"; }}, _wrapIOCloseable(r))); } static BufferedReader utf8bufferedReader(InputStream in) { try { return in == null ? null : bufferedReader(_registerIOWrap(new InputStreamReader(in, "UTF-8"), in)); } catch (Exception __e) { throw rethrow(__e); } } static BufferedReader utf8bufferedReader(File f) { try { return utf8bufferedReader(newFileInputStream(f)); } catch (Exception __e) { throw rethrow(__e); } } static GZIPInputStream newGZIPInputStream(File f) { return gzInputStream(f); } static GZIPInputStream newGZIPInputStream(InputStream in) { return gzInputStream(in); } static File newFile(File base, String... names) { for (String name : names) base = new File(base, name); return base; } static File newFile(String name) { return name == null ? null : new File(name); } static File newFile(String base, String... names) { return newFile(newFile(base), names); } static PCallPolicy pcallPolicyForThread() { var policy = pcallPolicyForThread_tl().get(); if (policy != null) return policy; return defaultPCallPolicy(); } static boolean eqOneOf(Object o, Object... l) { if (l != null) for (Object x : l) if (eq(o, x)) return true; return false; } 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 String unquoteSingleOrDoubleQuotes(String s) { if (s == null) return null; 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 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 String strOrNull(Object o) { return o == null ? null : str(o); } 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 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 IF0 ping_v3_pingSourceMaker_cache; static IF0 ping_v3_pingSourceMaker() { if (ping_v3_pingSourceMaker_cache == null) ping_v3_pingSourceMaker_cache = ping_v3_pingSourceMaker_load(); return ping_v3_pingSourceMaker_cache;} static IF0 ping_v3_pingSourceMaker_load() { return or((IF0) vm_generalMap_get("ping_v3_pingSourceMaker"), () -> null); } 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 int lKeys(MultiMap mm) { return mm == null ? 0 : mm.keysSize(); } // 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; } static int hashMap_internalHash(Object key) { int h; return (key == null) ? 0 : (h = key.hashCode()) ^ (h >>> 16); } static String hfulltag(String tag) { return hfulltag(tag, ""); } static String hfulltag(String tag, Object contents, Object... params) { return hopeningTag(tag, params) + str(contents) + ""; } static String fulltag(String tag) { return hfulltag(tag); } static String fulltag(String tag, Object contents, Object... params) { return hfulltag(tag, contents, params); } static String joinNempties(String sep, Object... strings) { return joinStrings(sep, strings); } static String joinNempties(String sep, Iterable strings) { return joinStrings(sep, strings); } static double positiveInfinity() { return Double.POSITIVE_INFINITY; } static String formatDouble_significant(double d, int digits) { return formatDouble_significant2(d, digits); } static A copyFields(Object x, A y, String... fields) { if (empty(fields)) { // assume we should copy all fields Map map = objectToMap(x); for (String field : map.keySet()) setOpt(y, field, map.get(field)); } else for (String field : fields) { Object o = getOpt(x, field); if (o != null) setOpt(y, field, o); } return y; } static A copyFields(Object x, A y, Collection fields) { return copyFields(x, y, asStringArray(fields)); } static Map nuEmptyObject_cache = newDangerousWeakHashMap(); static A nuEmptyObject(Class c) { try { Constructor ctr; synchronized(nuEmptyObject_cache) { ctr = nuEmptyObject_cache.get(c); if (ctr == null) { nuEmptyObject_cache.put(c, ctr = nuEmptyObject_findConstructor(c)); makeAccessible(ctr); } } try { return (A) ctr.newInstance(); } catch (InstantiationException e) { if (empty(e.getMessage())) if ((c.getModifiers() & Modifier.ABSTRACT) != 0) throw fail("Can't instantiate abstract class " + className(c), e); else throw fail("Can't instantiate " + className(c), e); else throw rethrow(e); } } catch (Exception __e) { throw rethrow(__e); } } static Constructor nuEmptyObject_findConstructor(Class c) { for (Constructor m : getDeclaredConstructors_cached(c)) if (m.getParameterTypes().length == 0) return m; throw fail("No default constructor declared in " + c.getName()); } static java.awt.Color awtColor(String hex) { byte[] b = bytesFromHex(dropPrefix("#", hex)); return new Color(ubyteToInt(b[0]), ubyteToInt(b[1]), ubyteToInt(b[2])); } static java.awt.Color colorFromHex(String hex) { return awtColor(hex); } static Map> allFields_cache = weakHashMap(); static Set allFields(Object o) { if (o == null) return emptySet(); Class _c = _getClass(o); Set fields = allFields_cache.get(_c); if (fields == null) allFields_cache.put(_c, fields = asTreeSet(keys(getOpt_getFieldMap(o)))); return fields; } static int stdHash(Object a, String... fields) { if (a == null) return 0; int hash = getClassName(a).hashCode(); for (String field : fields) hash = boostHashCombine(hash, hashCode(getOpt(a, field))); return hash; } static String[] toStringArray(Collection c) { String[] a = new String[l(c)]; Iterator it = c.iterator(); for (int i = 0; i < l(a); i++) a[i] = it.next(); return a; } static String[] toStringArray(Object o) { if (o instanceof String[]) return (String[]) o; else if (o instanceof Collection) return toStringArray((Collection) o); else throw fail("Not a collection or array: " + getClassName(o)); } static boolean lessThanOrEqual(int a, int b) { return a <= b; } static boolean lessThanOrEqual(double a, double b) { return a <= b; } static > boolean lessThanOrEqual(A a, A b) { return cmp(a, b) < 0; } static String dropNumberPrefix(String s) { return dropFirst(s, indexOfNonDigit(s)); } static int parseInt(String s) { return emptyString(s) ? 0 : Integer.parseInt(s); } static int parseInt(char c) { return Integer.parseInt(str(c)); } static int boolToInt(boolean b) { return b ? 1 : 0; } // binary legacy signature static Object[] toObjectArray(Collection c) { return toObjectArray((Iterable) c); } static Object[] toObjectArray(Iterable c) { List l = asList(c); return l.toArray(new Object[l.size()]); } static A[] arrayOfType(Class type, int n) { return makeArray(type, n); } static A[] arrayOfType(int n, Class type) { return arrayOfType(type, n); } static List wrapArrayAsList(A[] a) { return a == null ? null : Arrays.asList(a); } 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 String localDateWithSeconds(long time) { SimpleDateFormat format = simpleDateFormat_local("yyyy/MM/dd HH:mm:ss"); return format.format(time); } static String localDateWithSeconds() { return localDateWithSeconds(now()); } static Runnable _topLevelErrorHandling(Runnable r) { if (r == null) return null; // maybe we don't want this anymore. just dm_current_generic() Object info = _threadInfo(); Object mod = dm_current_generic(); Runnable r2 = r; if (info != null || mod == null) r2 = new Runnable() { public void run() { try { AutoCloseable __1 = (AutoCloseable) (rcall("enter", mod)); try { _threadInheritInfo(info); r.run(); } finally { _close(__1); }} catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "temp (AutoCloseable) rcall enter(mod);\r\n _threadInheritInfo(info);\r\n ..."; }}; r2 = rPcall(r2); return r2; } 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 String defaultThreadName_name; static String defaultThreadName() { if (defaultThreadName_name == null) defaultThreadName_name = "A thread by " + programID(); return defaultThreadName_name; } 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 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 A oneOf(A... 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 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 Object[] resizeArray(Object[] a, int n) { if (n == l(a)) return a; Object[] b = new Object[n]; arraycopy(a, 0, b, 0, min(l(a), n)); return b; } static double[] resizeArray(double[] a, int n) { if (n == l(a)) return a; double[] b = new double[n]; arraycopy(a, 0, b, 0, min(l(a), n)); return b; } static float[] resizeArray(float[] a, int n) { if (n == l(a)) return a; float[] b = new float[n]; arraycopy(a, 0, b, 0, min(l(a), n)); return b; } static long[] resizeArray(long[] a, int n) { if (n == l(a)) return a; long[] b = new long[n]; arraycopy(a, 0, b, 0, min(l(a), n)); return b; } 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 Charset utf8charset_cache; static Charset utf8charset() { if (utf8charset_cache == null) utf8charset_cache = utf8charset_load(); return utf8charset_cache;} static Charset utf8charset_load() { return Charset.forName("UTF-8"); } static boolean isUByte(int i) { return (i & 0xFF) == i; } static BigInteger bigint(String s) { return new BigInteger(s); } static BigInteger bigint(long l) { return BigInteger.valueOf(l); } static long clockToSysTimeDiff() { return sysNow()-now(); } static Set asSet(Object[] array) { HashSet set = new HashSet(); for (Object o : array) if (o != null) set.add(o); return set; } static Set asSet(String[] array) { TreeSet set = new TreeSet(); for (String o : array) if (o != null) set.add(o); return set; } static Set asSet(Iterable l) { if (l instanceof Set) return (Set) l; HashSet set = new HashSet(); for (A o : unnull(l)) if (o != null) set.add(o); return set; } static Complex complex(double re, double im) { return new Complex(re, im); } static Complex complex(double re) { return new Complex(re, 0.0); } static Complex complex(double[] reIm) { if (empty(reIm)) return null; if (l(reIm) != 2) throw fail("Need 2 doubles to make complex number"); return complex(reIm[0], reIm[1]); } static TimerTask timerTask(final Object r, final java.util.Timer timer) { return new TimerTask() { public void run() { if (!licensed()) timer.cancel(); else pcallF(r); } }; } static A vmBus_timerStarted(A timer) { vmBus_send("timerStarted", timer, costCenter()); return timer; } static List stringAsCharacterList(final String s) { if (s == null) return null; return new RandomAccessAbstractList() { final int l = l(s); public int size() { return l; } public Character get(int i) { return s.charAt(i); } }; } static IterableIterator countIterator_exclusive(int b) { return countIterator_exclusive(0, b); } static IterableIterator countIterator_exclusive(int a, int b) { return new IterableIterator() { int i = a; public boolean hasNext() { return i < b; } public Integer next() { return i++; } }; } static IterableIterator countIterator_exclusive(int b, IF1 f) { return countIterator_exclusive(0, b, f); } static IterableIterator countIterator_exclusive(int a, int b, IF1 f) { return mapI_if1(f, countIterator_exclusive(a, b)); } static IterableIterator countIterator_exclusive_step(final int a, final int b, final int step) { assertTrue("step > 0", step > 0); return new IterableIterator() { int i = a; public boolean hasNext() { return i < b; } public Integer next() { var j = i; i += step; return j; } }; } static IterableIterator countIterator_exclusive_step(double a, double b, double step) { assertTrue("step > 0", step > 0); return new IterableIterator() { double i = a; public boolean hasNext() { return i < b; } public Double next() { var j = i; i += step; return j; } }; } static IterableIterator countIterator_exclusive_step(double a, double b, double step, IF1 f) { return mapI_if1(f, countIterator_exclusive_step(a, b, step)); } static List syncList() { return synchroList(); } static List syncList(List l) { return synchroList(l); } static boolean addToCollection(Collection c, A a) { return c != null && c.add(a); } 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 List subList(List l, IntRange r) { return subList(l, r.start, r.end); } 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 byte[] byteListToArray(List l) { if (l == null) return null; int n = l(l), i = 0; byte[] a = new byte[n]; for (var x : l) a[i++] = x; return a; } static BufferedOutputStream bufferedOutputStream(OutputStream out) { if (out == null) return null; if (out instanceof BufferedOutputStream) return ((BufferedOutputStream) out); return new BufferedOutputStream(out, defaultBufferedOutputStreamSize()); } static BufferedOutputStream bufferedOutputStream(File f) { return bufferedOutputStream(fileOutputStream(f)); } static FileOutputStream newFileOutputStream(File path) throws IOException { return newFileOutputStream(path.getPath()); } static FileOutputStream newFileOutputStream(String path) throws IOException { return newFileOutputStream(path, false); } static FileOutputStream newFileOutputStream(File path, boolean append) throws IOException { return newFileOutputStream(path.getPath(), append); } static FileOutputStream newFileOutputStream(String path, boolean append) throws IOException { mkdirsForFile(path); FileOutputStream f = new FileOutputStream(path, append); _registerIO(f, path, true); return f; } static void readLocally(String progID, String varNames) { readLocally2(mc(), progID, varNames); } static void readLocally(String varNames) { readLocally2(mc(), programID(), varNames); } static void readLocally2(Object obj, String varNames) { readLocally2(obj, programID(), varNames); } static int readLocally_stringLength; static ThreadLocal readLocally2_allDynamic = new ThreadLocal(); static ThreadLocal readLocally2_classFinder = new ThreadLocal(); // read a string variable from standard storage // does not overwrite variable contents if there is no file static void readLocally2(Object obj, String progID, String varNames) { try { boolean allDynamic = isTrue(getAndClearThreadLocal(readLocally2_allDynamic)); for (String variableName : javaTokC(varNames)) { File textFile = new File(programDir(progID), variableName + ".text"); String value = loadTextFile(textFile); if (value != null) set(main.class, variableName, value); else { File structureFile = new File(programDir(progID), variableName + ".structure"); value = loadTextFile(structureFile); if (value == null) { File structureGZFile = new File(programDir(progID), variableName + ".structure.gz"); if (!structureGZFile.isFile()) return; //value = loadGZTextFile(structureGZFile); InputStream fis = new FileInputStream(structureGZFile); try { GZIPInputStream gis = newGZIPInputStream(fis); InputStreamReader reader = new InputStreamReader(gis, "UTF-8"); BufferedReader bufferedReader = new BufferedReader(reader); //O o = unstructure_reader(bufferedReader); Object o = unstructure_tok(javaTokC_noMLS_onReader(bufferedReader), allDynamic, readLocally2_classFinder.get()); readLocally_set(obj, variableName, o); return; } finally { _close(fis); }} readLocally_stringLength = l(value); if (nempty(value)) readLocally_set(obj, variableName, unstructure(value, allDynamic, readLocally2_classFinder.get())); } } } catch (Exception __e) { throw rethrow(__e); } } static void readLocally_set(Object c, String varName, Object value) { Object oldValue = get(c, varName); if (oldValue instanceof List && !(oldValue instanceof ArrayList) && value != null) { // Assume it's a synchroList. value = synchroList((List) value); } set(c, varName, value); } static FileInputStream newFileInputStream(File path) throws IOException { return newFileInputStream(path.getPath()); } static FileInputStream newFileInputStream(String path) throws IOException { FileInputStream f = new FileInputStream(path); _registerIO(f, path, true); return f; } 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) { pcallFail(__e); } return null; } static B pcallF(F1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { pcallFail(__e); } return null; } static void pcallF(VF1 f, A a) { try { { if (f != null) f.get(a); } } catch (Throwable __e) { pcallFail(__e); } } static Object pcallF(Runnable r) { try { { if (r != null) r.run(); } } catch (Throwable __e) { pcallFail(__e); } return null; } static A pcallF(IF0 f) { try { return f == null ? null : f.get(); } catch (Throwable __e) { pcallFail(__e); } return null; } static B pcallF(IF1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { pcallFail(__e); } return null; } static int ifloor(double d) { return (int) Math.floor(d); } static IntRange ifloor(DoubleRange r) { return r == null ? null : intRange(ifloor(r.start), ifloor(r.end)); } static int iceil(double d) { return (int) Math.ceil(d); } static Runnable wrapAsActivity(Object r) { if (r == null) return null; Runnable r2 = toRunnable(r); Object mod = dm_current_generic(); if (mod == null) return r2; return new Runnable() { public void run() { try { AutoCloseable c = (AutoCloseable) (rcall("enter", mod)); AutoCloseable __1 = c; try { r2.run(); } finally { _close(__1); }} catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "AutoCloseable c = (AutoCloseable) (rcall enter(mod));\r\n temp c;\r\n r2.r..."; }}; } static Map _registerThread_threads; static Object _onRegisterThread; // voidfunc(Thread) static Thread _registerThread(Thread t) { if (_registerThread_threads == null) _registerThread_threads = newWeakHashMap(); _registerThread_threads.put(t, true); vm_generalWeakSubMap("thread2mc").put(t, weakRef(mc())); callF(_onRegisterThread, t); return t; } static void _registerThread() { _registerThread(Thread.currentThread()); } 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; } // BREAKING CHANGE! // Also NOTE: Iterators of these sync-wrapped collections // after generally NOT thread-safe! // TODO: change that? static Set synchroLinkedHashSet() { return synchronizedSet(new CompactLinkedHashSet()); } 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 String appendColonIfNempty(String s) { return empty(s) ? "" : s + ": "; } static String formatWithThousandsSeparator(long l) { return NumberFormat.getInstance(new Locale("en_US")).format(l); } static Set getPlural_specials = litciset("sheep", "fish"); static String getPlural(String s) { if (contains(getPlural_specials, s)) return s; if (ewic(s, "y")) return dropSuffixIgnoreCase("y", s) + "ies"; if (ewicOneOf(s, "ss", "ch")) return s + "es"; if (ewic(s, "s")) return s; return s + "s"; } 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 Map syncMRUCache(int size) { return synchroMap(new MRUCache(size)); } static String dropSuffix(String suffix, String s) { return nempty(suffix) && endsWith(s, suffix) ? s.substring(0, l(s)-l(suffix)) : s; } static Object jsonDecode(String text) { return new jsonDecode_Y(text).parse(); } // the miraculous class Y static class jsonDecode_Y { String text; List tok; boolean useOrderedMaps = false; int i = 1; jsonDecode_Y(String text) { this.text = text; tok = jsonTok(text); } transient IF1 fail; RuntimeException fail(String msg) { return fail != null ? fail.get(msg) : fail_base(msg); } final RuntimeException fail_fallback(IF1 _f, String msg) { return _f != null ? _f.get(msg) : fail_base(msg); } RuntimeException fail_base(String msg) { return main.fail(msg); } Object parse() { if (l(tok) == 1) return null; return parseExpr(); } Object parseExpr() { String t = tok.get(i); if (t.startsWith("\"") || t.startsWith("'")) { String s = unquote(tok.get(i)); i += 2; return s; } if (t.equals("{")) return parseMap(); if (t.equals("[")) return this.parseList(); // avoid loading standard function "parseList" if (t.equals("null")) { i += 2; return null; } if (t.equals("false")) { i += 2; return false; } if (t.equals("true")) { i += 2; return true; } boolean minus = false; if (t.equals("-")) { minus = true; i += 2; t = get(tok, i); } if (isInteger(t)) { int j = i; i += 2; if (eqOneOf(get(tok, i), ".", "e", "E")) { // rough parsing for doubles while (isInteger(get(tok, i)) || eqOneOf(get(tok, i), ".", "e", "E", "-")) i += 2; double d = parseDouble(joinSubList(tok, j, i-1)); if (minus) d = -d; return d; } else { long l = parseLong(t); return boxedIntOrLong(minus ? -l : l); } } throw fail("Unknown token " + (i+1) + ": " + t + ": " + text); } Object parseList() { consume("["); List list = new ArrayList(); while (!tok.get(i).equals("]")) { list.add(parseExpr()); if (tok.get(i).equals(",")) i += 2; } consume("]"); return list; } Object parseMap() { consume("{"); Map map = useOrderedMaps ? new LinkedHashMap() : new TreeMap(); while (!tok.get(i).equals("}")) { String key = unquote(tok.get(i)); i += 2; consume(":"); Object value = parseExpr(); map.put(key, value); if (tok.get(i).equals(",")) i += 2; } consume("}"); return map; } void consume(String s) { if (!tok.get(i).equals(s)) { String prevToken = i-2 >= 0 ? tok.get(i-2) : ""; String nextTokens = join(tok.subList(i, Math.min(i+4, tok.size()))); throw fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")"); } i += 2; } } static BufferedReader bufferedReader(Reader r) { return bufferedReader(r, 8192); } static BufferedReader bufferedReader(Reader r, int bufSize) { if (r == null) return null; return r instanceof BufferedReader ? (BufferedReader) r : _registerIOWrap(new BufferedReader(r, bufSize), r); } static BufferedReader bufferedReader(File f) { return utf8bufferedReader(f); } static A holdResource(IResourceHolder holder, A a) { { if (holder != null) holder.add(a); } return a; } static CloseableIterableIterator iteratorFromFunction_f0_autoCloseable(final F0 f, final AutoCloseable closeable) { class IFF2 extends CloseableIterableIterator { A a; boolean done = false; public boolean hasNext() { getNext(); return !done; } public A next() { getNext(); if (done) throw fail(); A _a = a; a = null; return _a; } void getNext() { if (done || a != null) return; a = f.get(); done = a == null; } public void close() throws Exception { if (closeable != null) closeable.close(); } }; return new IFF2(); } static String readLineFromReaderWithClose(BufferedReader r) { try { String s = r.readLine(); if (s == null) r.close(); return s; } catch (Exception __e) { throw rethrow(__e); } } static AutoCloseable _wrapIOCloseable(final AutoCloseable c) { return c == null ? null : new AutoCloseable() { public String toString() { return "c.close();\r\n _registerIO(c, null, false);"; } public void close() throws Exception { c.close(); _registerIO(c, null, false); }}; } static A _registerIOWrap(A wrapper, Object wrapped) { return wrapper; } static int gzInputStream_defaultBufferSize = 65536; static GZIPInputStream gzInputStream(File f) { try { return gzInputStream(new FileInputStream(f)); } catch (Exception __e) { throw rethrow(__e); } } static GZIPInputStream gzInputStream(File f, int bufferSize) { try { return gzInputStream(new FileInputStream(f), bufferSize); } catch (Exception __e) { throw rethrow(__e); } } static GZIPInputStream gzInputStream(InputStream in) { return gzInputStream(in, gzInputStream_defaultBufferSize); } static GZIPInputStream gzInputStream(InputStream in, int bufferSize) { try { return _registerIOWrap(new GZIPInputStream(in, gzInputStream_defaultBufferSize), in); } catch (Exception __e) { throw rethrow(__e); } } static ThreadLocal pcallPolicyForThread_tl_tl = new ThreadLocal(); static ThreadLocal pcallPolicyForThread_tl() { return pcallPolicyForThread_tl_tl; } static PCallPolicy defaultPCallPolicy = __1 -> printStackTrace(__1); static PCallPolicy defaultPCallPolicy() { return defaultPCallPolicy; } static void defaultPCallPolicy_set(PCallPolicy policy) { defaultPCallPolicy = policy; } 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 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 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 String hopeningTag(String tag, Map params) { return hopeningTag(tag, mapToParams(params)); } static String hopeningTag(String tag, Object... params) { StringBuilder buf = new StringBuilder(); buf.append("<" + tag); params = unrollParams(params); for (int i = 0; i < l(params); i += 2) { String name = (String) get(params, i); Object val = get(params, i+1); if (nempty(name) && val != null) { if (eqOneOf(val, html_valueLessParam(), true)) buf.append(" " + name); else { String s = str(val); if (!empty(s)) buf.append(" " + name + "=" + htmlQuote(s)); } } } buf.append(">"); return str(buf); } static 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 String formatDouble_significant2(double d, int digits) { try { digits -= Math.floor(max(-10, Math.log10(abs(d))+1)); return formatDouble(d, digits); } catch (Throwable _e) { print("Had number: " + d + ", digits: " + digits); throw rethrow(_e); } } // o is either a map already (string->object) or an arbitrary object, // in which case its fields are converted into a map. static Map objectToMap(Object o) { try { if (o instanceof Map) return (Map) o; TreeMap map = new TreeMap(); Class c = o.getClass(); while (c != Object.class) { Field[] fields = c.getDeclaredFields(); for (final Field field : fields) { if ((field.getModifiers() & Modifier.STATIC) != 0) continue; field.setAccessible(true); final Object value = field.get(o); if (value != null) map.put(field.getName(), value); } c = c.getSuperclass(); } // XXX NEW - hopefully this doesn't break anything if (o instanceof DynamicObject) putAll(map, ((DynamicObject) o).fieldValues); return map; } catch (Exception __e) { throw rethrow(__e); } } // same for a collection (convert each element) static List> objectToMap(Iterable l) { if (l == null) return null; List x = new ArrayList(); for (Object o : l) x.add(objectToMap(o)); return x; } static Field setOpt_findField(Class c, String field) { HashMap map; synchronized(getOpt_cache) { map = getOpt_cache.get(c); if (map == null) map = getOpt_makeCache(c); } return map.get(field); } static void setOpt(Object o, String field, Object value) { try { if (o == null) return; Class c = o.getClass(); HashMap map; if (getOpt_cache == null) map = getOpt_makeCache(c); // in class init else synchronized(getOpt_cache) { map = getOpt_cache.get(c); if (map == null) map = getOpt_makeCache(c); } if (map == getOpt_special) { if (o instanceof Class) { setOpt((Class) o, field, value); return; } // It's probably a subclass of Map. Use raw method. TODO: huh? setOpt_raw(o, field, value); return; } Field f = map.get(field); if (f != null) { smartSet(f, o, value); return; } // possible improvement: skip setAccessible if (o instanceof DynamicObject) { setDyn(((DynamicObject) o), field, value); return; } if (o instanceof IMeta) setDyn(((IMeta) o), field, value); } catch (Exception __e) { throw rethrow(__e); } } static void setOpt(Class c, String field, Object value) { if (c == null) return; try { Field f = setOpt_findStaticField(c, field); // TODO: optimize if (f != null) smartSet(f, null, value); } catch (Exception e) { throw new RuntimeException(e); } } static Field setOpt_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) { makeAccessible(f); return f; } _c = _c.getSuperclass(); } while (_c != null); return null; } static String[] asStringArray(Collection c) { return toStringArray(c); } static String[] asStringArray(Object o) { return toStringArray(o); } // TODO: convert to regularly cleared normal map static Map getDeclaredConstructors_cached_cache = newDangerousWeakHashMap(); static Constructor[] getDeclaredConstructors_cached(Class c) { Constructor[] ctors; synchronized(getDeclaredConstructors_cached_cache) { ctors = getDeclaredConstructors_cached_cache.get(c); if (ctors == null) { getDeclaredConstructors_cached_cache.put(c, ctors = c.getDeclaredConstructors()); for (var ctor : ctors) makeAccessible(ctor); } } return ctors; } static byte[] bytesFromHex(String s) { return hexToBytes(s); } static String dropPrefix(String prefix, String s) { return s == null ? null : s.startsWith(prefix) ? s.substring(l(prefix)) : s; } static int ubyteToInt(byte b) { return b & 0x0FF; } static int ubyteToInt(char c) { return c & 0x0FF; } static Map weakHashMap() { return newWeakHashMap(); } static TreeSet asTreeSet(Collection set) { return set == null ? null : set instanceof TreeSet ? (TreeSet) set : new TreeSet(set); } static int hashCode(Object a) { return a == null ? 0 : a.hashCode(); } static int hashCode(long l) { return Long.hashCode(l); } static int hashCode(double d) { return Double.hashCode(d); } static String[] dropFirst(int n, String[] a) { return drop(n, a); } static String[] dropFirst(String[] a) { return drop(1, a); } static Object[] dropFirst(Object[] a) { return drop(1, a); } static List dropFirst(List l) { return dropFirst(1, l); } static List dropFirst(int n, Iterable i) { return dropFirst(n, toList(i)); } static List dropFirst(Iterable i) { return dropFirst(toList(i)); } static List dropFirst(int n, List l) { return n <= 0 ? l : new ArrayList(l.subList(Math.min(n, l.size()), l.size())); } static List dropFirst(List l, int n) { return dropFirst(n, l); } static String dropFirst(int n, String s) { return substring(s, n); } static String dropFirst(String s, int n) { return substring(s, n); } static String dropFirst(String s) { return substring(s, 1); } static Chain dropFirst(Chain c) { return c == null ? null : c.next; } static int indexOfNonDigit(String s) { int n = l(s); for (int i = 0; i < n; i++) if (!isDigit(s.charAt(i))) return i; return -1; } static boolean emptyString(String s) { return s == null || s.length() == 0; } static A[] makeArray(Class type, int n) { return (A[]) Array.newInstance(type, n); } 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 SimpleDateFormat simpleDateFormat_local(String format) { SimpleDateFormat sdf = new SimpleDateFormat(format); sdf.setTimeZone(localTimeZone()); return sdf; } 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 Object dm_current_generic() { return getWeakRef(dm_current_generic_tl().get()); } static Object rcall(String method, Object o, Object... args) { return call_withVarargs(o, method, args); } static List> _threadInheritInfo_retrievers = synchroList(); static void _threadInheritInfo(Object info) { if (info == null) return; pcallFAll(_threadInheritInfo_retrievers, (Map) info); } static Runnable rPcall(Runnable r) { return r == null ? null : () -> { try { r.run(); } catch (Throwable __e) { pcallFail(__e); } }; } static String programID() { return getProgramID(); } static String programID(Object o) { return getProgramID(o); } static Random customRandomizerForThisThread() { return customRandomizerForThisThread_tl().get(); } static Random defaultRandomizer() { return defaultRandomGenerator(); } static A listGet(List l, int idx) { return l != null && idx >= 0 && idx < l.size() ? l.get(idx) : null; } 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 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 Object costCenter() { return mc(); } static class mapI_if1_It extends IterableIterator { IF1 f; Iterator i; mapI_if1_It() {} mapI_if1_It(IF1 f, Iterator i) { this.i = i; this.f = f;} public boolean hasNext() { return i.hasNext(); } public B next() { return f.get(i.next()); } public String toString() { return formatFunctionCall("mapI_if1", f, i); } } static IterableIterator mapI_if1(IF1 f, Iterable i) { return new mapI_if1_It(f, i.iterator()); } static IterableIterator mapI_if1(Iterable i, IF1 f) { return mapI_if1(f, i); } // This seems like a sweet spot. Small values like 1024 slow things down // noticeably, big values like 1 MB do too (probably due to GC). static int defaultBufferedOutputStreamSize() { return 65536; } static FileOutputStream fileOutputStream(File path) { try { return newFileOutputStream(path); } catch (Exception __e) { throw rethrow(__e); } } static FileOutputStream fileOutputStream(String path) { try { return newFileOutputStream(path); } catch (Exception __e) { throw rethrow(__e); } } static FileOutputStream fileOutputStream(File path, boolean append) { try { return newFileOutputStream(path, append); } catch (Exception __e) { throw rethrow(__e); } } static FileOutputStream fileOutputStream(String path, boolean append) { try { return newFileOutputStream(path, append); } catch (Exception __e) { throw rethrow(__e); } } public static File mkdirsForFile(File file) { File dir = file.getParentFile(); if (dir != null) { // is null if file is in current dir dir.mkdirs(); if (!dir.isDirectory()) if (dir.isFile()) throw fail("Please delete the file " + f2s(dir) + " - it is supposed to be a directory!"); else throw fail("Unknown IO exception during mkdirs of " + f2s(file)); } return file; } public static String mkdirsForFile(String path) { mkdirsForFile(new File(path)); return path; } static void _registerIO(Object object, String path, boolean opened) { } static A getAndClearThreadLocal(ThreadLocal tl) { A a = tl.get(); tl.set(null); return a; } 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 File programDir_mine; // set this to relocate program's data static File programDir() { return programDir(getProgramID()); } static File programDir(String snippetID) { boolean me = sameSnippetID(snippetID, programID()); if (programDir_mine != null && me) return programDir_mine; File dir = new File(javaxDataDir(), formatSnippetIDOpt(snippetID)); if (me) { String c = caseID(); if (nempty(c)) dir = newFile(dir, c); } return dir; } static File programDir(String snippetID, String subPath) { return new File(programDir(snippetID), subPath); } static String loadTextFile(String fileName) { return loadTextFile(fileName, null); } static String loadTextFile(File f, String defaultContents) { return loadTextFile(f, defaultContents, "UTF-8"); } static String loadTextFile(File f, String defaultContents, String encoding) { try { checkFileNotTooBigToRead(f); if (f == null || !f.exists()) return defaultContents; FileInputStream fileInputStream = new FileInputStream(f); InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, encoding); return loadTextFile(inputStreamReader); } catch (Exception __e) { throw rethrow(__e); } } public static String loadTextFile(File fileName) { return loadTextFile(fileName, null); } static String loadTextFile(String fileName, String defaultContents) { return fileName == null ? defaultContents : loadTextFile(newFile(fileName), defaultContents); } static String loadTextFile(Reader reader) throws IOException { StringBuilder builder = new StringBuilder(); try { char[] buffer = new char[1024]; int n; while (-1 != (n = reader.read(buffer))) builder.append(buffer, 0, n); } finally { reader.close(); } return str(builder); } // TODO: cyclic structures involving certain lists & sets static Object unstructure(String text) { return unstructure(text, false); } static Object unstructure(String text, boolean allDynamic) { return unstructure(text, allDynamic, null); } static Object unstructure(String text, IF1 classFinder) { return unstructure(text, false, classFinder); } static int structure_internStringsLongerThan = 50; static int unstructure_unquoteBufSize = 100; static int unstructure_tokrefs; // stats abstract static class unstructure_Receiver { abstract void set(Object o); } // classFinder: func(name) -> class (optional) static Object unstructure(String text, boolean allDynamic, Object classFinder) { if (text == null) return null; return unstructure_tok(javaTokC_noMLS_iterator(text), allDynamic, classFinder); } static Object unstructure_reader(BufferedReader reader) { return unstructure_tok(javaTokC_noMLS_onReader(reader), false, null); } interface unstructure_Handler { void parse(int refID, int tokIndex, unstructure_Receiver out); } static class Unstructurer { final public Unstructurer setTok(Producer tok){ return tok(tok); } public Unstructurer tok(Producer tok) { this.tok = tok; return this; } final public Producer getTok(){ return tok(); } public Producer tok() { return tok; } Producer tok; final public Unstructurer setAllDynamic(boolean allDynamic){ return allDynamic(allDynamic); } public Unstructurer allDynamic(boolean allDynamic) { this.allDynamic = allDynamic; return this; } final public boolean getAllDynamic(){ return allDynamic(); } public boolean allDynamic() { return allDynamic; } boolean allDynamic = false; int i = -1; Object classFinder; String mcDollar = actualMCDollar(); Unstructurer classFinder(Object _classFinder) { classFinder = _classFinder != null ? _classFinder : _defaultClassFinder(); return this; } // use Eclipse primitive collection if possible (smaller & hopefully faster?) HashMap refs = new HashMap(); HashMap tokrefs = new HashMap(); HashSet concepts = new HashSet(); List stack = new ArrayList(); Map baseClassMap = new HashMap(); HashMap innerClassConstructors = new HashMap(); String curT; char[] unquoteBuf = new char[unstructure_unquoteBufSize]; // value is a class or a Handler final HashMap handlers = new HashMap(); Unstructurer() { try { Class mc = (Class) (callF(classFinder, "
")); if (mc != null) mcDollar = mc.getName() + "$"; } catch (Throwable __e) { pcallFail(__e); } makeHandlers(); } void makeHandlers() { unstructure_Handler h; handlers.put("bigint", (unstructure_Handler) (refID, tokIndex, out) -> out.set(parseBigInt())); handlers.put("d", (unstructure_Handler) (refID, tokIndex, out) -> out.set(parseDouble())); handlers.put("fl", (unstructure_Handler) (refID, tokIndex, out) -> out.set(parseFloat())); handlers.put("sh", (unstructure_Handler) (refID, tokIndex, out) -> { consume(); String t = tpp(); if (t.equals("-")) { t = tpp(); out.set((short) (-parseInt(t))); return; } out.set((short) parseInt(t)); }); handlers.put("enum", (unstructure_Handler) (refID, tokIndex, out) -> { consume(); String t = tpp(); assertTrue(isJavaIdentifier(t)); String fullClassName = mcDollar + t; Class _c = findAClass(fullClassName); if (_c == null) throw fail("Enum class not found: " + fullClassName); int ordinal = parseInt(tpp()); out.set(_c.getEnumConstants()[ordinal]); }); handlers.put("false", h = (unstructure_Handler) (refID, tokIndex, out) -> { consume(); out.set(false); }); handlers.put("f", h); handlers.put("true", h = (unstructure_Handler) (refID, tokIndex, out) -> { consume(); out.set(true); }); handlers.put("t", h); handlers.put("{", (unstructure_Handler) (refID, tokIndex, out) -> parseMap(out)); handlers.put("[", (unstructure_Handler) (refID, tokIndex, out) -> { ArrayList l = new ArrayList(); if (refID >= 0) refs.put(refID, l); this.parseList(l, out); }); handlers.put("bitset", (unstructure_Handler) (refID, tokIndex, out) -> parseBitSet(out)); handlers.put("array", h = (unstructure_Handler) (refID, tokIndex, out) -> parseArray(out)); handlers.put("intarray", h); handlers.put("dblarray", h); handlers.put("shortarray", (unstructure_Handler) (refID, tokIndex, out) -> { consume(); String hex = trivialUnquote(tpp()); out.set(shortArrayFromBytes(hexToBytes(hex))); }); handlers.put("longarray", (unstructure_Handler) (refID, tokIndex, out) -> { consume(); String hex = trivialUnquote(tpp()); out.set(longArrayFromBytes(hexToBytes(hex))); }); } // end of makeHandlers - add more handlers here Class findAClass(String fullClassName) { try { return classFinder != null ? (Class) callF(classFinder, fullClassName) : findClass_fullName(fullClassName); } catch (Throwable __e) { return null; } } String unquote(String s) { return unquoteUsingCharArray(s, unquoteBuf); } // look at current token String t() { return curT; } // get current token, move to next String tpp() { String t = curT; consume(); return t; } void parse(final unstructure_Receiver out) { String t = t(); int refID; if (structure_isMarker(t, 0, l(t))) { refID = parseInt(t.substring(1)); consume(); } else refID = -1; // if (debug) print("parse: " + quote(t)); final int tokIndex = i; parse_inner(refID, tokIndex, new unstructure_Receiver() { void set(Object o) { if (refID >= 0) refs.put(refID, o); if (o != null) tokrefs.put(tokIndex, o); out.set(o); } }); } void parse_inner(int refID, int tokIndex, unstructure_Receiver out) { String t = t(); // if (debug) print("parse_inner: " + quote(t)); Object handler = handlers.get(t); if (handler instanceof unstructure_Handler) { ((unstructure_Handler) handler).parse(refID, tokIndex, out); return; } Class c = (Class) handler; if (c == null) { if (t.startsWith("\"")) { String s = internIfLongerThan(unquote(tpp()), structure_internStringsLongerThan); out.set(s); return; } if (t.startsWith("'")) { out.set(unquoteCharacter(tpp())); return; } if (t.equals("-")) { consume(); t = tpp(); out.set(isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t))); return; } if (isInteger(t) || isLongConstant(t)) { consume(); //if (debug) print("isLongConstant " + quote(t) + " => " + isLongConstant(t)); if (isLongConstant(t)) { out.set(parseLong(t)); return; } long l = parseLong(t); boolean isInt = l == (int) l; out.set(isInt ? (Object) Integer.valueOf((int) l) : (Object) Long.valueOf(l)); return; } if (t.equals("-")) { consume(); t = tpp(); out.set(isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t))); return; } if (isInteger(t) || isLongConstant(t)) { consume(); //if (debug) print("isLongConstant " + quote(t) + " => " + isLongConstant(t)); if (isLongConstant(t)) { out.set(parseLong(t)); return; } long l = parseLong(t); boolean isInt = l == (int) l; out.set(isInt ? (Object) Integer.valueOf((int) l) : (Object) Long.valueOf(l)); return; } if (t.equals("File")) { consume(); File f = new File(unquote(tpp())); out.set(f); return; } if (t.startsWith("r") && isInteger(t.substring(1))) { consume(); int ref = Integer.parseInt(t.substring(1)); Object o = refs.get(ref); if (o == null) warn("unsatisfied back reference " + ref); out.set(o); return; } if (t.startsWith("t") && isInteger(t.substring(1))) { consume(); int ref = Integer.parseInt(t.substring(1)); Object o = tokrefs.get(ref); if (o == null) warn("unsatisfied token reference " + ref + " at " + tokIndex); out.set(o); return; } if (t.equals("hashset")) { parseHashSet(out); return; } if (t.equals("lhs")) { parseLinkedHashSet(out); return; } if (t.equals("treeset")) { parseTreeSet(out); return; } if (t.equals("ciset")) { parseCISet(out); return; } if (eqOneOf(t, "hashmap", "hm")) { consume(); parseMap(new HashMap(), out); return; } if (t.equals("lhm")) { consume(); parseMap(new LinkedHashMap(), out); return; } if (t.equals("tm")) { consume(); parseMap(new TreeMap(), out); return; } if (t.equals("cimap")) { consume(); parseMap(ciMap(), out); return; } if (t.equals("ll")) { consume(); LinkedList l = new LinkedList(); if (refID >= 0) refs.put(refID, l); { parseList(l, out); return; } } if (t.equals("syncLL")) { // legacy consume(); { parseList(synchroLinkedList(), out); return; } } if (t.equals("sync")) { consume(); { parse(new unstructure_Receiver() { void set(Object value) { if (value instanceof Map) { // Java 7 if (value instanceof NavigableMap) { out.set(synchroNavigableMap((NavigableMap) value)); return; } if (value instanceof SortedMap) { out.set(synchroSortedMap((SortedMap) value)); return; } { out.set(synchroMap((Map) value)); return; } } else { out.set(synchroList((List) value)); return; } } }); return; } } if (t.equals("ba")) { consume(); String hex = trivialUnquote(tpp()); out.set(hexToBytes(hex)); return; } if (t.equals("boolarray")) { consume(); int n = parseInt(tpp()); String hex = trivialUnquote(tpp()); out.set(boolArrayFromBytes(hexToBytes(hex), n)); return; } if (t.equals("class")) { out.set(parseClass()); return; } if (t.equals("l")) { parseLisp(out); return; } if (t.equals("null")) { consume(); out.set(null); return; } if (eq(t, "c")) { consume(); t = t(); assertTrue(isJavaIdentifier(t)); concepts.add(t); } // custom deserialization (new static method method) if (eq(t, "cu")) { consume(); t = tpp(); assertTrue(isJavaIdentifier(t)); String fullClassName = mcDollar + t; Class _c = findAClass(fullClassName); if (_c == null) throw fail("Class not found: " + fullClassName); parse(new unstructure_Receiver() { void set(Object value) { out.set(call(_c, "_deserialize", value)); } }); return; } } if (eq(t, "j")) { consume(); out.set(parseJava()); return; } if (eq(t, "bc")) { consume(); String c1 = tpp(); String c2 = tpp(); baseClassMap.put(c1, c2); { parse_inner(refID, i, out); return; } } // add more tokens here // Now we want to find our target class c // Have we failed to look up the class before? //bool seenBefore = handlers.containsKey(cname); // If we have seen the class before, we skip all of this // and simply leave c as null // TODO - how do we fill className? //if (!seenBefore) { if (c == null && !isJavaIdentifier(t)) throw new RuntimeException("Unknown token " + (i+1) + ": " + quote(t)); // any other class name (or package name) consume(); String className, fullClassName; // Is it a package name? if (eq(t(), ".")) { className = t; do { consume(); className += "." + assertIdentifier(tpp()); } while (eq(t(), ".")); fullClassName = className; } else { className = t; fullClassName = mcDollar + t; } if (c == null && !allDynamic) { // First, find class c = findAClass(fullClassName); handlers.put(className, c); } // check for existing base class if (c == null && !allDynamic) { Set seen = new HashSet(); String parent = className; while (true) { String baseName = baseClassMap.get(parent); if (baseName == null) break; if (!seen.add(baseName)) throw fail("Cyclic superclass info: " + baseName); c = findAClass(mcDollar + baseName); if (c == null) print("Base class " + baseName + " of " + parent + " doesn't exist either"); else if (isAbstract(c)) print("Can't instantiate abstract base class: " + c); else { printVars_str("Reverting to base class", "className", className, "baseName", baseName, "c", c); handlers.put(className, c); break; } parent = baseName; } } //} // Check if it has an outer reference boolean hasBracket = eq(t(), "("); if (hasBracket) consume(); boolean hasOuter = hasBracket && startsWith(t(), "this$"); DynamicObject dO = null; Object o = null; final String thingName = t; try { if (c != null) { if (hasOuter) try { Constructor ctor = innerClassConstructors.get(c); if (ctor == null) innerClassConstructors.put(c, ctor = nuStubInnerObject_findConstructor(c, classFinder)); o = ctor.newInstance(new Object[] {null}); } catch (Exception e) { print("Error deserializing " + c + ": " + e); o = nuEmptyObject(c); } else o = nuEmptyObject(c); if (o instanceof DynamicObject) dO = (DynamicObject) o; } else { if (concepts.contains(t) && (c = findAClass(mcDollar + "Concept")) != null) o = dO = (DynamicObject) nuEmptyObject(c); else dO = new DynamicObject(); dO.className = className; } } catch (Throwable __e) { pcallFail(__e); } // end of pcall // Creating instance failed? Use DynamicObject if (o == null && dO == null) dO = new DynamicObject(); // Save in references list early because contents of object // might link back to main object if (refID >= 0) refs.put(refID, o != null ? o : dO); tokrefs.put(tokIndex, o != null ? o : dO); // NOW parse the fields! HashMap fields = new HashMap(); // no longer preserving order (why did we do this?) Object _o = o; DynamicObject _dO = dO; if (hasBracket) { stack.add(new Runnable() { public void run() { try { if (eq(t(), ",")) consume(); if (eq(t(), ")")) { consume(")"); objRead(_o, _dO, fields, hasOuter); out.set(_o != null ? _o : _dO); } else { final String key = unquote(tpp()); String t = tpp(); if (!eq(t, "=")) throw fail("= expected, got " + t + " after " + quote(key) + " in object " + thingName /*+ " " + sfu(fields)*/); stack.add(this); parse(new unstructure_Receiver() { void set(Object value) { fields.put(key, value); /*ifdef unstructure_debug print("Got field value " + value + ", next token: " + t()); endifdef*/ //if (eq(t(), ",")) consume(); } }); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "ifdef unstructure_debug\r\n print(\"in object values, token: \" + t());\r..."; }}); } else { objRead(o, dO, fields, hasOuter); out.set(o != null ? o : dO); } } void objRead(Object o, DynamicObject dO, Map fields, boolean hasOuter) { // translate between diferent compilers (this$0 vs this$1) Object outer = fields.get("this$0"); if (outer != null) fields.put("this$1", outer); else { outer = fields.get("this$1"); if (outer != null) fields.put("this$0", outer); } if (o != null) { if (dO != null) { setOptAllDyn_pcall(dO, fields); } else { setOptAll_pcall(o, fields); } if (hasOuter) fixOuterRefs(o); } else for (Map.Entry e : fields.entrySet()) setDynObjectValue(dO, intern(e.getKey()), e.getValue()); if (o != null) pcallOpt_noArgs(o, "_doneLoading"); } void parseSet(final Set set, final unstructure_Receiver out) { this.parseList(new ArrayList(), new unstructure_Receiver() { void set(Object o) { set.addAll((List) o); out.set(set); } }); } void parseLisp(final unstructure_Receiver out) { throw fail("class Lisp not included"); } void parseBitSet(final unstructure_Receiver out) { consume("bitset"); consume("{"); final BitSet bs = new BitSet(); stack.add(new Runnable() { public void run() { try { if (eq(t(), "}")) { consume("}"); out.set(bs); } else { stack.add(this); parse(new unstructure_Receiver() { void set(Object o) { bs.set((Integer) o); if (eq(t(), ",")) consume(); } }); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (eq(t(), \"}\")) {\r\n consume(\"}\");\r\n out.set(bs);\r\n } els..."; }}); } void parseList(final List list, final unstructure_Receiver out) { tokrefs.put(i, list); consume("["); stack.add(new Runnable() { public void run() { try { if (eq(t(), "]")) { consume(); out.set(list); } else { stack.add(this); parse(new unstructure_Receiver() { void set(Object o) { //if (debug) print("List element type: " + getClassName(o)); list.add(o); if (eq(t(), ",")) consume(); } }); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (eq(t(), \"]\")) {\r\n consume();\r\n ifdef unstructure_debug\r\n ..."; }}); } void parseArray(unstructure_Receiver out) { String _type = tpp(); int dims; if (eq(t(), "S")) { // string array _type = "S"; consume(); } if (eq(t(), "/")) { // multi-dimensional array consume(); dims = parseInt(tpp()); } else dims = 1; consume("{"); List list = new ArrayList(); String type = _type; stack.add(new Runnable() { public void run() { try { if (eq(t(), "}")) { consume("}"); if (dims > 1) { Class atype; if (type.equals("intarray")) atype = int.class; else if (type.equals("S")) atype = String.class; else throw todo("multi-dimensional arrays of other types"); out.set(list.toArray((Object[]) newMultiDimensionalOuterArray(atype, dims, l(list)))); } else out.set( type.equals("intarray") ? toIntArray(list) : type.equals("dblarray") ? toDoubleArray(list) : type.equals("S") ? toStringArray(list) : list.toArray()); } else { stack.add(this); parse(new unstructure_Receiver() { void set(Object o) { list.add(o); if (eq(t(), ",")) consume(); } }); } } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "if (eq(t(), \"}\")) {\r\n consume(\"}\");\r\n if (dims > 1) {\r\n ..."; }}); } Object parseClass() { consume("class"); consume("("); String name = unquote(tpp()); consume(")"); Class c = allDynamic ? null : findAClass(name); if (c != null) return c; DynamicObject dO = new DynamicObject(); dO.className = "java.lang.Class"; name = dropPrefix(mcDollar, name); dynamicObject_setRawFieldValue(dO, "name", name); return dO; } Object parseBigInt() { consume("bigint"); consume("("); String val = tpp(); if (eq(val, "-")) val = "-" + tpp(); consume(")"); return new BigInteger(val); } Object parseDouble() { consume("d"); consume("("); String val = unquote(tpp()); consume(")"); return Double.parseDouble(val); } Object parseFloat() { consume("fl"); String val; if (eq(t(), "(")) { consume("("); val = unquote(tpp()); consume(")"); } else { val = unquote(tpp()); } return Float.parseFloat(val); } void parseHashSet(unstructure_Receiver out) { consume("hashset"); parseSet(new HashSet(), out); } void parseLinkedHashSet(unstructure_Receiver out) { consume("lhs"); parseSet(new LinkedHashSet(), out); } void parseTreeSet(unstructure_Receiver out) { consume("treeset"); parseSet(new TreeSet(), out); } void parseCISet(unstructure_Receiver out) { consume("ciset"); parseSet(ciSet(), out); } void parseMap(unstructure_Receiver out) { parseMap(new TreeMap(), out); } Object parseJava() { String j = unquote(tpp()); Matches m = new Matches(); if (jmatch("java.awt.Color[r=*,g=*,b=*]", j, m)) return nuObject("java.awt.Color", parseInt(m.unq(0)), parseInt(m.unq(1)), parseInt(m.unq(2))); else { warn("Unknown Java object: " + j); return null; } } void parseMap(final Map map, final unstructure_Receiver out) { consume("{"); stack.add(new Runnable() { boolean v = false; Object key; public void run() { if (v) { v = false; stack.add(this); if (!eq(tpp(), "=")) throw fail("= expected, got " + t() + " in map of size " + l(map)); parse(new unstructure_Receiver() { void set(Object value) { map.put(key, value); if (eq(t(), ",")) consume(); } }); } else { if (eq(t(), "}")) { consume("}"); out.set(map); } else { v = true; stack.add(this); parse(new unstructure_Receiver() { void set(Object o) { key = o; } }); } } // if v else } // run() }); } /*void parseSub(unstructure_Receiver out) { int n = l(stack); parse(out); while (l(stack) > n) stack }*/ void consume() { curT = tok.next(); ++i; } void consume(String s) { if (!eq(t(), s)) { /*S prevToken = i-1 >= 0 ? tok.get(i-1) : ""; S nextTokens = join(tok.subList(i, Math.min(i+2, tok.size()))); fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");*/ throw fail(quote(s) + " expected, got " + quote(t())); } consume(); } // outer wrapper function getting first token and unwinding the stack void parse_initial(unstructure_Receiver out) { consume(); // get first token parse(out); while (nempty(stack)) popLast(stack).run(); } } static Object unstructure_tok(Producer tok, boolean allDynamic, Object classFinder) { boolean debug = unstructure_debug; AutoCloseable __1 = tempSetTL(dynamicObjectIsLoading_threadLocal(), true); try { Var v = new Var(); var unstructurer = new Unstructurer() .tok(tok) .allDynamic(allDynamic) .classFinder(classFinder); unstructurer.parse_initial(new unstructure_Receiver() { void set(Object o) { v.set(o); } }); unstructure_tokrefs = unstructurer.tokrefs.size(); return v.get(); } finally { _close(__1); }} static boolean unstructure_debug = false; static Producer javaTokC_noMLS_onReader(final BufferedReader r) { final class X implements Producer { StringBuilder buf = new StringBuilder(); // stores from "i" char c, d, e = 'x'; // just not '\0' X() { // fill c, d and e nc(); nc(); nc(); } // get next character(s) into c, d and e void nc() { try { c = d; d = e; if (e == '\0') return; int i = r.read(); e = i < 0 ? '\0' : i == '\0' ? '_' // shouldn't happen anymore : (char) i; } catch (Exception __e) { throw rethrow(__e); } } void ncSave() { if (c != '\0') { buf.append(c); nc(); } } public String next() { // scan for whitespace while (c != '\0') { if (c == ' ' || c == '\t' || c == '\r' || c == '\n') nc(); else if (c == '/' && d == '*') { do nc(); while (c != '\0' && !(c == '*' && d == '/')); nc(); nc(); } else if (c == '/' && d == '/') { do nc(); while (c != '\0' && "\r\n".indexOf(c) < 0); } else break; } if (c == '\0') return null; // scan for non-whitespace if (c == '\'' || c == '"') { char opener = c; ncSave(); while (c != '\0') { if (c == opener || c == '\n') { // end at \n to not propagate unclosed string literal errors ncSave(); break; } else if (c == '\\') { ncSave(); ncSave(); } else ncSave(); } } else if (Character.isJavaIdentifierStart(c)) do ncSave(); while (Character.isJavaIdentifierPart(c) || c == '\''); // for stuff like "don't" else if (Character.isDigit(c)) { do ncSave(); while (Character.isDigit(c)); if (c == 'L') ncSave(); // Long constants like 1L } else ncSave(); String t = buf.toString(); buf.setLength(0); return t; } } return new X(); } static Object pcallFunction(Object f, Object... args) { try { return callFunction(f, args); } catch (Throwable __e) { pcallFail(__e); } return null; } static IntRange intRange(int start, int end) { return new IntRange(start, end); } static Map vm_generalWeakSubMap(Object name) { synchronized(vm_generalMap()) { Map map = (Map) (vm_generalMap_get(name)); if (map == null) vm_generalMap_put(name, map = newWeakMap()); return map; } } static WeakReference weakRef(A a) { return newWeakReference(a); } static void swingAndWait(Runnable r) { try { if (isAWTThread()) r.run(); else { r = addThreadInfoToRunnable(r); executingSwingCode(r); EventQueue.invokeAndWait(r); } } catch (Exception __e) { throw rethrow(__e); } } static Object swingAndWait(Object f) { if (isAWTThread()) return callF(f); else { 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 TreeSet litciset(String... items) { TreeSet set = caseInsensitiveSet(); for (String a : items) set.add(a); return set; } static TreeSet litciset(Symbol... items) { TreeSet set = treeSet(); // HashSet would also do, but we might have the return type fixed somewhere, and they might want a NavigableMap. for (Symbol a : items) set.add(a); return set; } 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(Producer p, A a) { if (p != null && a != null) while (true) { A x = p.next(); if (x == null) break; if (eq(x, a)) return true; } return false; } static boolean contains(Rect r, Pt p) { return rectContains(r, p); } static String dropSuffixIgnoreCase(String suffix, String s) { return ewic(s, suffix) ? s.substring(0, l(s)-l(suffix)) : s; } static boolean ewicOneOf(String s, String... l) { if (s != null) for (String x : l) if (ewic(s, x)) return true; return false; } static List jsonTok(String s) { List tok = new ArrayList(); int l = l(s); int i = 0; while (i < l) { int j = i; char c; String cc; // scan for whitespace while (j < l) { c = s.charAt(j); cc = s.substring(j, Math.min(j+2, l)); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (cc.equals("/*")) { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (cc.equals("//")) { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } tok.add(s.substring(i, j)); i = j; if (i >= l) break; c = s.charAt(i); // cc is not needed in rest of loop body // scan for non-whitespace (json strings, "null" identifier, numbers. everything else automatically becomes a one character token.) if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { if (s.charAt(j) == opener) { ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } } else if (Character.isLetter(c)) do ++j; while (j < l && Character.isLetter(s.charAt(j))); else if (Character.isDigit(c)) do ++j; while (j < l && Character.isDigit(s.charAt(j))); else ++j; tok.add(s.substring(i, j)); i = j; } if ((tok.size() % 2) == 0) tok.add(""); return tok; } static Class main() { return getMainClass(); } 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 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 String joinSubList(List l, IntRange r) { return r == null ? null : joinSubList(l, r.start, r.end); } static Number boxedIntOrLong(long l) { return l != (int) l ? boxed(l) : boxed((int) l); } static char lastChar(String s) { return empty(s) ? '\0' : s.charAt(l(s)-1); } 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 Object[] mapToParams(Map map) { return mapToObjectArray(map); } static Object[] unrollParams(Object[] params) { if (l(params) == 1 && params[0] instanceof Map) return mapToParams((Map) params[0]); return params; } static Object html_valueLessParam_cache; static Object html_valueLessParam() { if (html_valueLessParam_cache == null) html_valueLessParam_cache = html_valueLessParam_load(); return html_valueLessParam_cache;} static Object html_valueLessParam_load() { return new Object(); } static String htmlQuote(String s) { return "\"" + htmlencode_forParams(s) + "\""; } // TODO: optimize (use getOpt_cache) static void setOpt_raw(Object o, String field, Object value) { try { if (o == null) return; if (o instanceof Class) setOpt_raw((Class) o, field, value); else { Field f = setOpt_raw_findField(o.getClass(), field); if (f != null) { makeAccessible(f); smartSet(f, o, value); } } } catch (Exception __e) { throw rethrow(__e); } } static void setOpt_raw(Class c, String field, Object value) { try { if (c == null) return; Field f = setOpt_raw_findStaticField(c, field); if (f != null) { makeAccessible(f); smartSet(f, null, value); } } catch (Exception __e) { throw rethrow(__e); } } static Field setOpt_raw_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static Field setOpt_raw_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static A setDyn(A o, String key, Object value) { setDynObjectValue(o, key, value); return o; } static void setDyn(IMeta o, String key, Object value) { metaMapPut(o, key, value); } static byte[] hexToBytes(String s) { if (odd(l(s))) throw fail("Hex string has odd length: " + quote(shorten(10, s))); int n = l(s) / 2; byte[] bytes = new byte[n]; for (int i = 0; i < n; i++) { int a = parseHexChar(s.charAt(i*2)); int b = parseHexChar(s.charAt(i*2+1)); if (a < 0 || b < 0) throw fail("Bad hex byte: " + quote(substring(s, i*2, i*2+2)) + " at " + i*2 + "/" + l(s)); bytes[i] = (byte) ((a << 4) | b); } return bytes; } static String[] drop(int n, String[] a) { n = Math.min(n, a.length); String[] b = new String[a.length-n]; System.arraycopy(a, n, b, 0, b.length); return b; } static Object[] drop(int n, Object[] a) { n = Math.min(n, a.length); Object[] b = new Object[a.length-n]; System.arraycopy(a, n, b, 0, b.length); return b; } static List drop(Iterable c, Object pred) { return antiFilter(c, pred); } static List drop(Object pred, Iterable c) { return antiFilter(pred, c); } static List drop(Object pred, Object[] c) { return antiFilter(pred, c); } static List drop(Iterable c, F1 pred) { return antiFilter(c, pred); } static List drop(F1 pred, Iterable c) { return antiFilter(pred, c); } static List drop(Iterable c, IF1 pred) { return antiFilter(c, pred); } static List drop(IF1 pred, Iterable c) { return antiFilter(pred, c); } static boolean isDigit(char c) { return Character.isDigit(c); } 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 TimeZone localTimeZone() { return getTimeZone(standardTimeZone()); // TimeZone.getDefault()? } static A getWeakRef(Reference ref) { return ref == null ? null : ref.get(); } static x30_pkg.x30_util.BetterThreadLocal dm_current_generic_tl; static x30_pkg.x30_util.BetterThreadLocal dm_current_generic_tl() { if (dm_current_generic_tl == null) dm_current_generic_tl = vm_generalMap_getOrCreate("currentModule", () -> new x30_pkg.x30_util.BetterThreadLocal()); return dm_current_generic_tl; } static String programID; static String getProgramID() { return nempty(programID) ? formatSnippetIDOpt(programID) : "?"; } // TODO: ask JavaX instead static String getProgramID(Class c) { String id = (String) getOpt(c, "programID"); if (nempty(id)) return formatSnippetID(id); return "?"; } static String getProgramID(Object o) { return getProgramID(getMainClass(o)); } static ThreadLocal customRandomizerForThisThread_tl = new ThreadLocal(); static ThreadLocal customRandomizerForThisThread_tl() { return customRandomizerForThisThread_tl; } // binary legacy syntax static String formatFunctionCall(String fname, Object... args) { return formatFunctionCall((Object) fname, args); } static String formatFunctionCall(Object fname, Object... args) { return fname + "(" + joinWithComma(allToString(args)) + ")"; } static String formatFunctionCall(String fname, Iterable args) { return formatFunctionCall((Object) fname, args); } static String formatFunctionCall(Object fname, Iterable args) { return formatFunctionCall(fname, toObjectArray(args)); } static String f2s(File f) { return f == null ? null : f.getAbsolutePath(); } static String f2s(String s) { return f2s(newFile(s)); } static String f2s(java.nio.file.Path p) { return p == null ? null : f2s(p.toFile()); } static String javaTok_substringC(String s, int i, int j) { return s.substring(i, j); } static boolean sameSnippetID(String a, String b) { if (!isSnippetID(a) || !isSnippetID(b)) return false; return parseSnippetID(a) == parseSnippetID(b); } static File javaxDataDir_dir; // can be set to work on different base dir static File javaxDataDir() { return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data"); } static File javaxDataDir(String... subs) { return newFile(javaxDataDir(), subs); } static String formatSnippetIDOpt(String s) { return isSnippetID(s) ? formatSnippetID(s) : s; } static volatile String caseID_caseID; static String caseID() { return caseID_caseID; } static void caseID(String id) { caseID_caseID = id; } static ThreadLocal> checkFileNotTooBigToRead_tl = new ThreadLocal(); static void checkFileNotTooBigToRead(File f) { callF(checkFileNotTooBigToRead_tl.get(), f); } static Producer javaTokC_noMLS_iterator(final String s) { return javaTokC_noMLS_iterator(s, 0); } static Producer javaTokC_noMLS_iterator(final String s, final int startIndex) { return new Producer() { final int l = s.length(); int i = startIndex; public String next() { if (i >= l) return null; 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) return null; 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))); 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; String t = quickSubstring(s, i, j); i = j; return t; } }; } static String actualMCDollar() { return actualMC().getName() + "$"; } static Object _defaultClassFinder_value = defaultDefaultClassFinder(); static Object _defaultClassFinder() { return _defaultClassFinder_value; } static BigInteger parseBigInt(String s) { return new BigInteger(s); } static float parseFloat(String s) { return Float.parseFloat(s); } 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 String trivialUnquote(String s) { return dropPrefixSuffix("\"", s); } static short[] shortArrayFromBytes(byte[] a) { return shortArrayFromBytes(a, 0, l(a)); } static short[] shortArrayFromBytes(byte[] a, int from, int to) { short[] b = new short[(to-from)/2]; for (int i = 0; i < b.length; i++) b[i] = shortFromBytes(a, from+i*2); return b; } static long[] longArrayFromBytes(byte[] a) { return longArrayFromBytes(a, 0, l(a)); } static long[] longArrayFromBytes(byte[] a, int from, int to) { long[] b = new long[(to-from)/8]; for (int i = 0; i < b.length; i++) b[i] = longFromBytes_bigEndian(a, from+i*8); return b; } static HashMap findClass_fullName_cache = new HashMap(); // returns null on not found // this is the simple version that is not case-tolerant static Class findClass_fullName(String name) { synchronized(findClass_fullName_cache) { if (findClass_fullName_cache.containsKey(name)) return findClass_fullName_cache.get(name); Class c; try { c = Class.forName(name); } catch (ClassNotFoundException e) { c = null; } findClass_fullName_cache.put(name, c); return c; } } static String unquoteUsingCharArray(String s, char[] buf) { 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(); if (l > buf.length) return unquote(s); // fallback int n = 0; 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++; } } buf[n++] = (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); char[] x = Character.toChars(code); int lx = x.length; for (int j = 0; j < lx; j++) buf[n++] = x[j]; i += 5; continue; default: ch = nextChar; // added by Stefan } i++; } buf[n++] = ch; } return new String(buf, 0, n); } } return s; // not quoted - return original } static boolean structure_isMarker(String s, int i, int j) { if (i >= j) return false; if (s.charAt(i) != 'm') return false; ++i; while (i < j) { char c = s.charAt(i); if (c < '0' || c > '9') return false; ++i; } return true; } static String internIfLongerThan(String s, int l) { return s == null ? null : l(s) >= l ? intern(s) : s; } static char unquoteCharacter(String s) { assertTrue(s.startsWith("'") && s.length() > 1); return unquote("\"" + s.substring(1, s.endsWith("'") ? s.length()-1 : s.length()) + "\"").charAt(0); } static boolean isLongConstant(String s) { if (!s.endsWith("L")) return false; s = s.substring(0, l(s)-1); return isInteger(s); } static TreeMap ciMap() { return caseInsensitiveMap(); } static List parseList(String s) { return (List) safeUnstructure(s); } static List synchroLinkedList() { return synchroList(new LinkedList()); } static NavigableMap synchroNavigableMap(NavigableMap map) { return Collections.synchronizedNavigableMap(map); } static SortedMap synchroSortedMap(SortedMap map) { return Collections.synchronizedSortedMap(map); } static boolean[] boolArrayFromBytes(byte[] a, int n) { boolean[] b = new boolean[n]; int m = min(n, l(a)*8); for (int i = 0; i < m; i++) b[i] = (a[i/8] & 1 << (i & 7)) != 0; return b; } static String assertIdentifier(String s) { return assertIsIdentifier(s); } static String assertIdentifier(String msg, String s) { return assertIsIdentifier(msg, s); } // Use like this: printVars_str(+x, +y); // Or: printVars("bla", +x); // Or: printVars bla(+x); static void printVars_str(Object... params) { print(renderVars_str(params)); } static Constructor nuStubInnerObject_findConstructor(Class c) { return nuStubInnerObject_findConstructor(c, null); } static Constructor nuStubInnerObject_findConstructor(Class c, Object classFinder) { try { Class outerType = getOuterClass(c, classFinder); Constructor m = c.getDeclaredConstructor(outerType); makeAccessible(m); return m; } catch (Exception __e) { throw rethrow(__e); } } static void setOptAllDyn_pcall(DynamicObject o, Map fields) { if (fields == null || o == null) return; HashMap fieldMap = instanceFieldsMap(o); for (Map.Entry e : fields.entrySet()) { try { String field = e.getKey(); Object val = e.getValue(); Field f = fieldMap.get(field); if (f != null) smartSet(f, o, val); else { dynamicObject_setRawFieldValue(o, intern(field), val); } } catch (Throwable __e) { pcallFail(__e); }} } static void setOptAll_pcall(Object o, Map fields) { if (fields == null) return; for (String field : keys(fields)) try { setOpt(o, field, fields.get(field)); } catch (Throwable __e) { print(exceptionToStringShort(__e)); } } static void setOptAll_pcall(Object o, Object... values) { //values = expandParams(c.getClass(), values); warnIfOddCount(values); for (int i = 0; i+1 < l(values); i += 2) { String field = (String) values[i]; Object value = values[i+1]; try { setOpt(o, field, value); } catch (Throwable __e) { print(exceptionToStringShort(__e)); } } } static void fixOuterRefs(Object o) { try { if (o == null) return; Field[] l = thisDollarOneFields(o.getClass()); if (l.length <= 1) return; Object father = null; for (Field f : l) { father = f.get(o); if (father != null) break; } if (father == null) return; for (Field f : l) f.set(o, father); } catch (Exception __e) { throw rethrow(__e); } } static void setDynObjectValue(DynamicObject o, String field, Object value) { dynamicObject_setRawFieldValue(o, field, value); } static String intern(String s) { return fastIntern(s); } static void pcallOpt_noArgs(Object o, String method) { try { callOpt_noArgs(o, method); } catch (Throwable __e) { pcallFail(__e); } } static RuntimeException todo() { throw new RuntimeException("TODO"); } static RuntimeException todo(Object msg) { throw new RuntimeException("TODO: " + msg); } static Object newMultiDimensionalOuterArray(Class elementType, int dimensions, int length) { int[] dims = new int[dimensions]; dims[0] = length; return Array.newInstance(elementType, dims); } static int[] toIntArray(Collection l) { int[] a = new int[l(l)]; int i = 0; if (a.length != 0) for (int x : l) a[i++] = x; return a; } static double[] toDoubleArray(Collection l) { double[] a = new double[l(l)]; int i = 0; if (a.length != 0) for (double x : l) a[i++] = x; return a; } static double[] toDoubleArray(float... l) { double[] a = new double[l(l)]; for (int i = 0; i < a.length; i++) a[i] = l[i]; return a; } static double[] toDoubleArray(int... l) { double[] a = new double[l(l)]; for (int i = 0; i < a.length; i++) a[i] = l[i]; return a; } static void dynamicObject_setRawFieldValue(DynamicObject o, Object key, Object value) { if (o == null) return; // double sync, but should be OK here because of locking order o > o.fieldValues synchronized(o) { o.fieldValues = syncMapPut2_createLinkedHashMap((LinkedHashMap) o.fieldValues, key, value); } } static TreeSet ciSet() { return caseInsensitiveSet(); } // DIFFERENCES to jfind: always ignores case, doesn't recognize etc // You probably want jmatch2 static boolean jmatch(String pat, String s) { return jmatch(pat, s, null); } static boolean jmatch(String pat, String s, Matches matches) { if (s == null) return false; return jmatch(pat, javaTok(s), matches); } static boolean jmatch(String pat, List toks) { return jmatch(pat, toks, null); } static boolean jmatch(String pat, List toks, Matches matches) { List tokpat = javaTok(pat); String[] m = match2(tokpat, toks); //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m)); if (m == null) return false; else { if (matches != null) matches.m = m; return true; } } static Object nuObject(String className, Object... args) { try { return nuObject(classForName(className), args); } catch (Exception __e) { throw rethrow(__e); } } // too ambiguous - maybe need to fix some callers /*static O nuObject(O realm, S className, O... args) { ret nuObject(_getClass(realm, className), args); }*/ static A nuObject(Class c, Object... args) { try { if (args == null || args.length == 0) return nuObjectWithoutArguments(c); // cached! Constructor m = nuObject_findConstructor(c, args); makeAccessible(m); return (A) m.newInstance(args); } catch (Exception __e) { throw rethrow(__e); } } static Constructor nuObject_findConstructor(Class c, Object... args) { for (Constructor m : getDeclaredConstructors_cached(c)) { if (!nuObject_checkArgs(m.getParameterTypes(), args, false)) continue; return m; } throw fail("Constructor " + c.getName() + getClasses(args) + " not found" + (args.length == 0 && (c.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 ? " - hint: it's a non-static class!" : "")); } static boolean nuObject_checkArgs(Class[] types, Object[] args, boolean debug) { if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } static AutoCloseable tempSetTL(ThreadLocal tl, A a) { return tempSetThreadLocal(tl, a); } static AutoCloseable tempSetTL(BetterThreadLocal tl, A a) { return tempSetThreadLocalIfNecessary(tl, a); } static ThreadLocal DynamicObject_loading = or((ThreadLocal) get(getClass("x30_pkg.x30_util"), "DynamicObject_loading"), new ThreadLocal()); static ThreadLocal dynamicObjectIsLoading_threadLocal() { return DynamicObject_loading; } static Map newWeakMap() { return newWeakHashMap(); } static WeakReference newWeakReference(A a) { return a == null ? null : new WeakReference(a); } 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 event executingSwingCode(Runnable code); static transient Set> onExecutingSwingCode; public static void onExecutingSwingCode(IVF1 f) { onExecutingSwingCode = createOrAddToSyncLinkedHashSet(onExecutingSwingCode, f); } public static void removeExecutingSwingCodeListener(IVF1 f) { main.remove(onExecutingSwingCode, f); } public static void executingSwingCode(Runnable code) { if (onExecutingSwingCode != null) for (var listener : onExecutingSwingCode) pcallF_typed(listener, code); } static TreeSet caseInsensitiveSet() { return caseInsensitiveSet_treeSet(); } static TreeSet caseInsensitiveSet(Collection c) { return caseInsensitiveSet_treeSet(c); } static TreeSet treeSet() { return new TreeSet(); } 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 Class getMainClass() { return mc(); } static Class getMainClass(Object o) { try { if (o == null) return null; if (o instanceof Class && eq(((Class) o).getName(), "x30")) return (Class) o; ClassLoader cl = (o instanceof Class ? (Class) o : o.getClass()).getClassLoader(); if (cl == null) return null; String name = mainClassNameForClassLoader(cl); return loadClassFromClassLoader_orNull(cl, name); } catch (Exception __e) { throw rethrow(__e); } } static Integer boxed(int i) { return i; } static Long boxed(long l) { return l; } static A[] arrayOfSameType(A[] a, int n) { return newObjectArrayOfSameType(a, n); } static Object[] mapToObjectArray(Map map) { List l = new ArrayList(); for (Object o : keys(map)) { l.add(o); l.add(map.get(o)); } return toObjectArray(l); } static Object[] mapToObjectArray(Object f, Collection l) { int n = l(l); Object[] array = new Object[n]; if (n != 0) { Iterator it = iterator(l); for (int i = 0; i < n; i++) array[i] = callF(f, it.next()); } return array; } static Object[] mapToObjectArray(Object f, Object[] l) { int n = l(l); Object[] array = new Object[n]; for (int i = 0; i < n; i++) array[i] = callF(f, l[i]); return array; } static Object[] mapToObjectArray(Collection l, IF1 f) { return mapToObjectArray(f, l); } static Object[] mapToObjectArray(A[] l, IF1 f) { return mapToObjectArray(f, l); } static Object[] mapToObjectArray(IF1 f, A[] l) { int n = l(l); Object[] array = new Object[n]; for (int i = 0; i < n; i++) array[i] = f.get(l[i]); return array; } static Object[] mapToObjectArray(IF1 f, Collection l) { int n = l(l); Object[] array = new Object[n]; if (n != 0) { Iterator it = iterator(l); for (int i = 0; i < n; i++) array[i] = callF(f, it.next()); } return array; } // this should be on by default now I think, but it may break // legacy code... static ThreadLocal htmlencode_forParams_useV2 = new ThreadLocal(); static String htmlencode_forParams(String s) { if (s == null) return ""; if (isTrue(htmlencode_forParams_useV2.get())) return htmlencode_forParams_v2(s); StringBuilder out = new StringBuilder(Math.max(16, s.length())); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c > 127 || c == '"' || c == '<' || c == '>') { out.append("&#"); out.append((int) c); out.append(';'); } else out.append(c); } return out.toString(); } static void metaMapPut(IMeta o, Object key, Object value) { { if (o != null) o.metaPut(key, value); } } static void metaMapPut(Object o, Object key, Object value) { var meta = initIMeta(o); { if (meta != null) meta.metaPut(key, value); } } 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 int parseHexChar(char c) { if (c >= '0' && c <= '9') return charDiff(c, '0'); if (c >= 'a' && c <= 'f') return charDiff(c, 'a')+10; if (c >= 'A' && c <= 'F') return charDiff(c, 'A')+10; return -1; } static List antiFilter(Iterable c, Object pred) { if (pred instanceof F1) return antiFilter(c, (F1) pred); List x = new ArrayList(); if (c != null) for (Object o : c) if (!isTrue(callF(pred, o))) x.add(o); return x; } static List antiFilter(Object pred, Iterable c) { return antiFilter(c, pred); } static List antiFilter(Object pred, Object[] c) { return antiFilter(pred, wrapArrayAsList(c)); } static List antiFilter(Iterable c, F1 pred) { List x = new ArrayList(); if (c != null) for (B o : c) if (!pred.get(o).booleanValue()) x.add(o); return x; } static List antiFilter(F1 pred, Iterable c) { return antiFilter(c, pred); } static List antiFilter(Iterable c, IF1 pred) { List x = new ArrayList(); if (c != null) for (B o : c) if (!pred.get(o).booleanValue()) x.add(o); return x; } static List antiFilter(IF1 pred, Iterable c) { return antiFilter(c, pred); } static ArrayList litlist(A... a) { ArrayList l = new ArrayList(a.length); for (A x : a) l.add(x); return l; } 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(__42 -> isLetterOrDigit(__42), s); else return "" + first(s); } static TimeZone getTimeZone(String name) { return TimeZone.getTimeZone(name); } static String standardTimeZone_name = "Europe/Berlin"; static String standardTimeZone() { return standardTimeZone_name; } static String formatSnippetID(String id) { return "#" + parseSnippetID(id); } static String formatSnippetID(long id) { return "#" + id; } static List allToString(Iterable c) { List l = new ArrayList(); for (Object o : unnull(c)) l.add(str(o)); return l; } static List allToString(Object[] c) { List l = new ArrayList(); for (Object o : unnull(c)) l.add(str(o)); return l; } public static boolean isSnippetID(String s) { try { parseSnippetID(s); return true; } catch (RuntimeException e) { return false; } } public static long parseSnippetID(String snippetID) { long id = Long.parseLong(shortenSnippetID(snippetID)); if (id == 0) throw fail("0 is not a snippet ID"); return id; } static String _userHome; static String userHome() { if (_userHome == null) return actualUserHome(); return _userHome; } static File userHome(String path) { return new File(userDir(), path); } static String quickSubstring(String s, int i, int j) { if (i >= j) return ""; return s.substring(i, j); } static Class actualMC() { return or((Class) realMC(), mc()); } static Object defaultDefaultClassFinder() { return new F1() { public Class get(String name) { // Fix some buggy concepts files out there name = replacePrefix("main$main$", "main$", name); Class c = get2(name); return c; } Class get2(String name) { // special invocation to find main class irrelevant of name if (eq(name, "
")) return mc(); { Class c = findClass_fullName(name); if (c != null) return c; } if (startsWithAny(name, "loadableUtils.utils$", "main$", mcDollar())) for (String pkg : ll("loadableUtils.utils$", mcDollar())) { String newName = pkg + afterDollar(name); { Class c = findClass_fullName(newName); if (c != null) return c; } } return null; } }; } static String dropPrefixSuffix(String prefix, String s) { return dropPrefixSuffix(prefix, prefix, s); } static String dropPrefixSuffix(String prefix, String suffix, String s) { return dropPrefix(prefix, dropSuffix(suffix, s)); } static short shortFromBytes(byte[] a, int i) { return (short) (ubyteToInt(a[i]) << 8 | ubyteToInt(a[i+1])); } static long longFromBytes_bigEndian(byte[] a, int i) { return twoIntsToLong_bigEndian( intFromBytes_bigEndian(a, i), intFromBytes_bigEndian(a, i+4)); } static TreeMap caseInsensitiveMap() { return new TreeMap(caseInsensitiveComparator()); } static Object safeUnstructure(String s) { return unstructure(s, true); } static Object safeUnstructure(File f) { return safeUnstructureGZFile(f); } static String assertIsIdentifier(String s) { if (!isIdentifier(s)) throw fail("Not an identifier: " + quote(s)); return s; } static String assertIsIdentifier(String msg, String s) { if (!isIdentifier(s)) throw fail(msg + " - Not an identifier: " + quote(s)); return s; } // Use like this: renderVars(+x, +y) // Or like this: renderVars("bla", +x, +y) static String renderVars_str(Object... params) { List l = new ArrayList(); int i = 0; if (odd(l(params))) { l.add(strOrNull(first(params))); ++i; } for (; i+1 < l(params); i += 2) l.add(params[i] + "=" + params[i+1]); return trim(joinWithComma(l)); } static Class getOuterClass(Class c) { return getOuterClass(c, null); } static Class getOuterClass(Class c, Object classFinder) { try { String s = c.getName(); int i = s.lastIndexOf('$'); String name = substring(s, 0, i); return classForName(name, classFinder); } catch (Exception __e) { throw rethrow(__e); } } static Class getOuterClass(Object o) { return getOuterClass(o, null); } static Class getOuterClass(Object o, Object classFinder) { return getOuterClass(_getClass(o), classFinder); } static HashMap instanceFieldsMap(Object o) { return (HashMap) getOpt_getFieldMap(o); } static String exceptionToStringShort(Throwable e) { try { lastException(e); e = getInnerException(e); String msg = hideCredentials(unnull(e.getMessage())); if (msg.indexOf("Error") < 0 && msg.indexOf("Exception") < 0) return baseClassName(e) + prependIfNempty(": ", msg); else return msg; } catch (Throwable _e) { printStackTrace(_e); return "Error in exceptionToStringShort"; } } static void warnIfOddCount(Object... list) { if (odd(l(list))) printStackTrace("Odd list size: " + list); } static Map thisDollarOneFields_cache = newDangerousWeakHashMap(); static Field[] thisDollarOneFields(Class c) { synchronized(thisDollarOneFields_cache) { Field[] l = thisDollarOneFields_cache.get(c); if (l == null) thisDollarOneFields_cache.put(c, l = thisDollarOneFields_uncached(c)); return l; } } static Field[] thisDollarOneFields_uncached(Class c) { List fields = new ArrayList(); do { for (Field f : c.getDeclaredFields()) if (f.getName().startsWith("this$")) fields.add(makeAccessible(f)); c = c.getSuperclass(); } while (c != null); return toArray(new Field[l(fields)], fields); } static Method fastIntern_method; static String fastIntern(String s) { try { if (s == null) return null; if (fastIntern_method == null) { fastIntern_method = findMethodNamed(javax(), "internPerProgram"); if (fastIntern_method == null) upgradeJavaXAndRestart(); } return (String) fastIntern_method.invoke(null, s); } catch (Exception __e) { throw rethrow(__e); } } static Map> callOpt_noArgs_cache = newDangerousWeakHashMap(); static Object callOpt_noArgs(Object o, String method) { try { if (o == null) return null; if (o instanceof Class) return callOpt(o, method); // not optimized Class c = o.getClass(); HashMap map; synchronized(callOpt_noArgs_cache) { map = callOpt_noArgs_cache.get(c); if (map == null) map = callOpt_noArgs_makeCache(c); } Method m = map.get(method); return m != null ? m.invoke(o) : null; } catch (Exception __e) { throw rethrow(__e); } } // used internally - we are in synchronized block static HashMap callOpt_noArgs_makeCache(Class c) { HashMap map = new HashMap(); Class _c = c; do { for (Method m : c.getDeclaredMethods()) if (m.getParameterTypes().length == 0 && !reflection_isForbiddenMethod(m)) { makeAccessible(m); String name = m.getName(); if (!map.containsKey(name)) map.put(name, m); } _c = _c.getSuperclass(); } while (_c != null); callOpt_noArgs_cache.put(c, map); return map; } static LinkedHashMap syncMapPut2_createLinkedHashMap(LinkedHashMap map, A key, B value) { if (key != null) if (value != null) { if (map == null) map = new LinkedHashMap(); synchronized(collectionMutex(map)) { map.put(key, value); } } else if (map != null) synchronized(collectionMutex(map)) { map.remove(key); } return map; } // 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); } // match2 matches multiple "*" (matches a single token) wildcards and zero or one "..." wildcards (matches multiple tokens) static String[] match2(List pat, List tok) { // standard case (no ...) int i = pat.indexOf("..."); if (i < 0) return match2_match(pat, tok); pat = new ArrayList(pat); // We're modifying it, so copy first pat.set(i, "*"); while (pat.size() < tok.size()) { pat.add(i, "*"); pat.add(i+1, ""); // doesn't matter } return match2_match(pat, tok); } static String[] match2_match(List pat, List tok) { List result = new ArrayList(); if (pat.size() != tok.size()) { return null; } for (int i = 1; i < pat.size(); i += 2) { String p = pat.get(i), t = tok.get(i); if (eq(p, "*")) result.add(t); else if (!equalsIgnoreCase(unquote(p), unquote(t))) // bold change - match quoted and unquoted now. TODO: should remove return null; } return result.toArray(new String[result.size()]); } static Map classForName_cache = synchroHashMap(); static Class classForName(String name) { return classForName(name, null); } static Class classForName(String name, Object classFinder) { // first clause is when we're in class init if (classForName_cache == null || classFinder != null) return classForName_uncached(name, classFinder); Class c = classForName_cache.get(name); if (c == null) classForName_cache.put(name, c = classForName_uncached(name, null)); return c; } static Class classForName_uncached(String name, Object classFinder) { try { if (classFinder != null) return (Class) callF(classFinder, name); return Class.forName(name); } catch (Exception __e) { throw rethrow(__e); } } static Map nuObjectWithoutArguments_cache = newDangerousWeakHashMap(); static Object nuObjectWithoutArguments(String className) { try { return nuObjectWithoutArguments(classForName(className)); } catch (Exception __e) { throw rethrow(__e); } } static A nuObjectWithoutArguments(Class c) { try { if (nuObjectWithoutArguments_cache == null) // in class init return (A) nuObjectWithoutArguments_findConstructor(c).newInstance(); Constructor m = nuObjectWithoutArguments_cache.get(c); if (m == null) nuObjectWithoutArguments_cache.put(c, m = nuObjectWithoutArguments_findConstructor(c)); return (A) m.newInstance(); } catch (Exception __e) { throw rethrow(__e); } } static Constructor nuObjectWithoutArguments_findConstructor(Class c) { for (Constructor m : getDeclaredConstructors_cached(c)) if (empty(m.getParameterTypes())) { makeAccessible(m); return m; } throw fail("No default constructor found in " + c.getName()); } static AutoCloseable tempSetThreadLocalIfNecessary(ThreadLocal tl, A a) { if (tl == null) return null; A prev = tl.get(); if (eq(prev, a)) return null; tl.set(a); return new AutoCloseable() { public String toString() { return "tl.set(prev);"; } public void close() throws Exception { tl.set(prev); }}; } static AutoCloseable tempSetThreadLocalIfNecessary(BetterThreadLocal tl, A a) { if (tl == null) return null; A prev = tl.get(); if (eq(prev, a)) return null; tl.set(a); return new AutoCloseable() { public String toString() { return "tl.set(prev);"; } public void close() throws Exception { tl.set(prev); }}; } static Runnable asRunnable(Object o) { return toRunnable(o); } static void _inheritThreadInfo(Object info) { _threadInheritInfo(info); } static TreeSet caseInsensitiveSet_treeSet() { return new TreeSet(caseInsensitiveComparator()); } static TreeSet caseInsensitiveSet_treeSet(Collection c) { return toCaseInsensitiveSet_treeSet(c); } 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 String mainClassNameForClassLoader(ClassLoader cl) { return or((String) callOpt(cl, "mainClassName"), "main"); } static Class loadClassFromClassLoader_orNull(ClassLoader cl, String name) { try { return cl == null ? null : cl.loadClass(name); } catch (ClassNotFoundException e) { return null; } } 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 htmlencode_forParams_v2(String s) { if (s == null) return ""; StringBuilder out = new StringBuilder(Math.max(16, s.length())); for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c > 127 || c == '"' || c == '<' || c == '>' || c == '&') { out.append("&#"); out.append((int) c); out.append(';'); } else out.append(c); } return out.toString(); } static IMeta initIMeta(Object o) { if (o == null) return null; if (o instanceof IMeta) return ((IMeta) o); if (o instanceof JComponent) return initMetaOfJComponent((JComponent) o); // This is not really used. Try to use BufferedImageWithMeta instead if (o instanceof BufferedImage) return optCast(IMeta.class, ((BufferedImage) o).getProperty("meta")); return null; } 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 charDiff(char a, char b) { return (int) a-(int) b; } static int charDiff(String a, char b) { return charDiff(stringToChar(a), b); } 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 shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return "" + parseLong(snippetID); } static String actualUserHome_value; static String actualUserHome() { if (actualUserHome_value == null) { if (isAndroid()) actualUserHome_value = "/storage/emulated/0/"; else actualUserHome_value = System.getProperty("user.home"); } return actualUserHome_value; } static File actualUserHome(String sub) { return newFile(new File(actualUserHome()), sub); } static File userDir() { return new File(userHome()); } static File userDir(String path) { return new File(userHome(), path); } static Object realMC() { return getThreadLocal(realMC_tl()); } static String replacePrefix(String prefix, String replacement, String s) { if (!startsWith(s, prefix)) return s; return replacement + substring(s, l(prefix)); } static Object get2(Object o, String field1, String field2) { return get(get(o, field1), field2); } static boolean startsWithAny(String a, Collection b) { for (String prefix : unnullForIteration(b)) if (startsWith(a, prefix)) return true; return false; } static boolean startsWithAny(String a, String... b) { if (b != null) for (String prefix : unnullForIteration(b)) if (startsWith(a, prefix)) return true; return false; } static boolean startsWithAny(String a, Collection b, Matches m) { for (String prefix : unnullForIteration(b)) if (startsWith(a, prefix, m)) return true; return false; } static String mcDollar() { return mcName() + "$"; } static String afterDollar(String s) { return substring(s, smartIndexOf(s, '$')+1); } static long twoIntsToLong_bigEndian(int a, int b) { return twoIntsToLong(a, b); } static int intFromBytes_bigEndian(byte[] a, int i) { return intFromBytes(a, i); } static Comparator caseInsensitiveComparator() { return betterCIComparator(); } static Object safeUnstructureGZFile(File f) { try { if (!fileExists(f)) return null; BufferedReader reader = utf8BufferedReader(gzInputStream(f)); return unstructure_tok(javaTokC_noMLS_onReader(reader), true, null); } catch (Exception __e) { throw rethrow(__e); } } static boolean isIdentifier(String s) { return isJavaIdentifier(s); } static Throwable getInnerException(Throwable e) { if (e == null) return null; while (e.getCause() != null) e = e.getCause(); return e; } static Throwable getInnerException(Runnable r) { return getInnerException(getException(r)); } static String baseClassName(String className) { return substring(className, className.lastIndexOf('.')+1); } static String baseClassName(Object o) { return baseClassName(getClassName(o)); } static String prependIfNempty(String prefix, String s) { return empty(s) ? unnull(s) : prefix + s; } static void upgradeJavaXAndRestart() { run("#1001639"); restart(); sleep(); } static Object callOpt(Object o) { return callF(o); } static Object callOpt(Object o, String method, Object... args) { return callOpt_withVarargs(o, method, args); } 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 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 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 boolean equalsIgnoreCase(String a, String b) { return eqic(a, b); } static boolean equalsIgnoreCase(char a, char b) { return eqic(a, b); } static TreeSet toCaseInsensitiveSet_treeSet(Iterable c) { if (isCISet(c)) return (TreeSet) c; TreeSet set = caseInsensitiveSet_treeSet(); addAll(set, c); return set; } static TreeSet toCaseInsensitiveSet_treeSet(String... x) { TreeSet set = caseInsensitiveSet_treeSet(); addAll(set, x); return set; } static IMeta initMetaOfJComponent(JComponent c) { if (c == null) return null; IMeta meta = (IMeta) (c.getClientProperty(IMeta.class)); if (meta == null) c.putClientProperty(IMeta.class, meta = new Meta()); return meta; } static A optCast(Class c, Object o) { return isInstance(c, o) ? (A) o : null; } static char stringToChar(String s) { if (l(s) != 1) throw fail("bad stringToChar: " + s); return firstChar(s); } 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); } static ThreadLocal realMC_tl_tl = new ThreadLocal(); static ThreadLocal realMC_tl() { return realMC_tl_tl; } static String mcName() { return mc().getName(); } // returns l(s) if not found static int smartIndexOf(String s, String sub, int i) { if (s == null) return 0; i = s.indexOf(sub, min(i, l(s))); return i >= 0 ? i : l(s); } static int smartIndexOf(String s, int i, char c) { return smartIndexOf(s, c, i); } static int smartIndexOf(String s, char c, int i) { if (s == null) return 0; i = s.indexOf(c, min(i, l(s))); return i >= 0 ? i : l(s); } static int smartIndexOf(String s, String sub) { return smartIndexOf(s, sub, 0); } static int smartIndexOf(String s, char c) { return smartIndexOf(s, c, 0); } static int smartIndexOf(List l, A sub) { return smartIndexOf(l, sub, 0); } static int smartIndexOf(List l, int start, A sub) { return smartIndexOf(l, sub, start); } static int smartIndexOf(List l, A sub, int start) { int i = indexOf(l, sub, start); return i < 0 ? l(l) : i; } static long twoIntsToLong(int a, int b) { return (((long) a) << 32) | (((long) b) & 0xFFFFFFFFL); } static int intFromBytes(byte[] a, int i) { return ubyteToInt(a[i]) << 24 | ubyteToInt(a[i+1]) << 16 | ubyteToInt(a[i+2]) << 8 | ubyteToInt(a[i+3]); } static betterCIComparator_C betterCIComparator_instance; static betterCIComparator_C betterCIComparator() { if (betterCIComparator_instance == null) betterCIComparator_instance = new betterCIComparator_C(); return betterCIComparator_instance; } final static class betterCIComparator_C implements Comparator { public int compare(String s1, String s2) { if (s1 == null) return s2 == null ? 0 : -1; if (s2 == null) return 1; int n1 = s1.length(); int n2 = s2.length(); int min = Math.min(n1, n2); for (int i = 0; i < min; i++) { char c1 = s1.charAt(i); char c2 = s2.charAt(i); if (c1 != c2) { c1 = Character.toUpperCase(c1); c2 = Character.toUpperCase(c2); if (c1 != c2) { c1 = Character.toLowerCase(c1); c2 = Character.toLowerCase(c2); if (c1 != c2) { // No overflow because of numeric promotion return c1 - c2; } } } } return n1 - n2; } } static boolean fileExists(String path) { return path != null && new File(path).exists(); } static boolean fileExists(File f) { return f != null && f.exists(); } static BufferedReader utf8BufferedReader(InputStream in) { return utf8bufferedReader(in); } static BufferedReader utf8BufferedReader(File f) { return utf8bufferedReader(f); } static Throwable getException(Runnable r) { try { callF(r); return null; } catch (Throwable e) { return e; } } static Class run(String progID, String... args) { Class main = hotwire(progID); callMain(main, args); return main; } static void restart() { Object j = getJavaX(); call(j, "cleanRestart", get(j, "fullArgs")); } static volatile boolean sleep_noSleep = false; static void sleep(long ms) { ping(); if (ms < 0) return; // allow spin locks if (isAWTThread() && ms > 100) throw fail("Should not sleep on AWT thread"); try { Thread.sleep(ms); } catch (Exception e) { throw new RuntimeException(e); } } static void sleep() { try { if (sleep_noSleep) throw fail("nosleep"); print("Sleeping."); sleepQuietly(); } catch (Exception __e) { throw rethrow(__e); } } static 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 boolean isCISet(Iterable l) { return l instanceof TreeSet && ((TreeSet) l).comparator() == caseInsensitiveComparator(); } static boolean isInstance(Class type, Object arg) { return type.isInstance(arg); } static char firstChar(String s) { return s.charAt(0); } // custom mainClass only works with hotwire_here static Class hotwire(String src) { return hotwire(src, __1 -> mainClassNameForClassLoader(__1)); } static Class hotwire(String src, IF1 calculateMainClass) { assertFalse(_inCore()); Class j = getJavaX(); if (isAndroid()) { synchronized(j) { // hopefully this goes well... List libraries = new ArrayList(); File srcDir = (File) call(j, "transpileMain", src, libraries); if (srcDir == null) throw fail("transpileMain returned null (src=" + quote(src) + ")"); Object androidContext = get(j, "androidContext"); return (Class) call(j, "loadx2android", srcDir, src); } } else { Class c = (Class) (call(j, "hotwire", src)); hotwire_copyOver(c); return c; } } static A callMain(A c, String... args) { callOpt(c, "main", new Object[] {args}); return c; } static void callMain() { callMain(mc()); } static Object sleepQuietly_monitor = new Object(); static void sleepQuietly() { try { assertFalse(isAWTThread()); synchronized(sleepQuietly_monitor) { sleepQuietly_monitor.wait(); } } catch (Exception __e) { throw rethrow(__e); } } static void assertFalse(Object o) { if (!(eq(o, false) /*|| isFalse(pcallF(o))*/)) throw fail(str(o)); } static boolean assertFalse(boolean b) { if (b) throw fail("oops"); return b; } static boolean assertFalse(String msg, boolean b) { if (b) throw fail(msg); return b; } static boolean _inCore() { return false; } static List hotwire_copyOver_after = synchroList(); static void hotwire_copyOver(Class c) { // TODO: make a mechanism for making such "inheritable" fields for (String field : ll("print_log", "print_silent", "androidContext", "_userHome")) setOptIfNotNull(c, field, getOpt(mc(), field)); setOptIfNotNull(c, "mainBot" , getMainBot()); setOpt(c, "creator_class" , new WeakReference(mc())); pcallFAll(hotwire_copyOver_after, c); } static void setOptIfNotNull(Object o, String field, Object value) { if (value != null) setOpt(o, field, value); } static Object mainBot; static Object getMainBot() { return mainBot; } static interface IResourceHolder { A add(A a); Collection takeAll(); } static class Chain implements Iterable { A element; Chain next; int size; Chain() {} Chain(A element) { this.element = element; size = 1; } Chain(A element, Chain next) { this.next = next; this.element = element; size = next != null ? next.size+1 : 1; } public String toString() { return str(toList()); } ArrayList toList() { ArrayList l = emptyList(size); Chain c = this; while (c != null) { l.add(c.element); c = c.next; } return l; } // TODO: optimize public Iterator iterator() { return toList().iterator(); } } // Meta - a "minimal" approach to adding meta-level to Java objects static class Meta implements IMeta { // Meta - a "minimal" approach to adding meta-level to Java objects // (implementing the interface IMeta) // We allocate one extra field for each Java object to make it // reasoning-compatible (reasoning-compatible = extensible with // fields of any name at runtime). // // We couldn't go for 0 extra fields (meta values must be linked // directly from the object) and there are no half fields in // Java... so there you go. // // Also, if you don't use any meta data, you are probably not // reasoning about anything. The point of reasoning in JavaX is // to attach information to objects directly used in the program. // Possible information contained in the meta field: // Origin, destination, security level, sender, cost center, // purpose, list of reifications, ... // So here it is. THE FIELD YOU HAVE BEEN WAITING FOR! // [We also have IMeta to retrofit foreign classes (rare but // probably useful).] ////////////////////// // The "meta" field // ////////////////////// // Generic meta value of any kind, but the typical case is it's a // Map with extra field values for the object etc. // "meta" is volatile to avoid synchronization; but you can also synchronize on // _tempMetaMutex() which is usually the object itself. Collections // and maps are exempt from using the collections's monitor as the meta // mutex because their monitor tends to be held for long operations // (e.g. cloneList). For those we use a substantially more complex // algorithm using a weakMap. Probably overkill. I may reconsider. volatile Object meta; // The meta field is not transient, thus by default it will be // persisted like anything else unless you customize your object // to suppress or modulate this. // ...and the interface methods public void _setMeta(Object meta) { this.meta = meta; } public Object _getMeta() { return meta; } // MOST functions are implemented in IMeta (default implementations) // Scaffolding convenience functions final boolean scaffolding(){ return scaffoldingEnabled(); } final boolean scaffolded(){ return scaffoldingEnabled(); } boolean scaffoldingEnabled() { return main.scaffoldingEnabled(this); } boolean scaffoldingEnabled(Object o) { return main.scaffoldingEnabled(o); } // Implementing setMetaToString String toString_base() { return super.toString(); } public String toString() { Object o = metaGet("toString", this); if (o instanceof String) return ((String) o); if (o instanceof IF1) return str(((IF1) o).get(this)); return toString_base(); } } static class Rect implements WidthAndHeight , 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; } final Rectangle getRectangle() { return new Rectangle(x, y, w, h); } public String toString() { return x + "," + y + " / " + w + "," + h; } final int x1() { return x; } final int y1() { return y; } final int x2() { return x + w; } final int y2() { return y + h; } final boolean contains(Pt p) { return contains(p.x, p.y); } final boolean contains(int _x, int _y) { return _x >= x && _y >= y && _x < x+w && _y < y+h; } final boolean contains(Rectangle r) { return rectContains(this, r); } final boolean empty() { return w <= 0 || h <= 0; } final public int getWidth() { return w; } final public int getHeight() { return h; } final public int area() { return w*h; } final public int x() { return x; } final public int y() { return y; } WidthAndHeight widthAndHeight() { return main.widthAndHeight(w, 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 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 synchronized A getAndSet(A a) { var value = v; set(a); return value; } public IF0 getter() { return () -> get(); } public IVF1 setter() { return __51 -> set(__51); } public String toString() { return str(this.get()); } } static interface IMeta { // see class "Meta" for the bla bla public void _setMeta(Object meta); public Object _getMeta(); default public IAutoCloseableF0 _tempMetaMutex() { return new IAutoCloseableF0() { public Object get() { return IMeta.this; } public void close() {} }; } // actually query another object default public Object getMeta(Object obj, Object key){ return metaGet(obj, key); } default public Object metaGet(Object obj, Object key) { // call global function return metaMapGet(obj, key); } default public Object metaGet(String key, Object obj) { // call global function return metaMapGet(obj, key); } default public Object getMeta(Object key){ return metaGet(key); } default public Object metaGet(Object key) { if (key == null) return null; Object meta = _getMeta(); if (meta instanceof Map) return ((Map) meta).get(key); return null; } default public void metaSet(IMeta obj, Object key, Object value){ metaPut(obj, key, value); } default public void metaPut(IMeta obj, Object key, Object value) { // call global function metaMapPut(obj, key, value); } default public void metaSet(Object key, Object value){ metaPut(key, value); } default public void metaPut(Object key, Object value) { if (key == null) return; Map map = convertObjectMetaToMap(this); syncMapPutOrRemove(map, key, value); } } // it's unclear whether the end is inclusive or exclusive // (usually exclusive I guess) static class IntRange { int start, end; IntRange() {} IntRange(int start, int end) { this.end = end; this.start = start;} IntRange(IntRange r) { start = r.start; end = r.end; } public boolean equals(Object o) { return stdEq2(this, o); } public int hashCode() { return stdHash2(this); } final int length() { return end-start; } final boolean empty() { return start >= end; } final boolean isEmpty() { return start >= end; } static String _fieldOrder = "start end"; public String toString() { return "[" + start + ";" + end + "]"; } } // a variant of thread where you can get the Runnable target later. // Also notes its existence on the VM bus. // We should use this exclusively instead of Thread. static class BetterThread extends Thread { Runnable target; BetterThread(Runnable target) { this.target = target; _created(); } BetterThread(Runnable target, String name) { super(name); this.target = target; _created(); } void _created() { vmBus_send("threadCreated", this); } public void run() { try { try { vmBus_send("threadStarted", this); if (target != null) target.run(); } finally { vmBus_send("threadEnded", this); } } catch (Exception __e) { throw rethrow(__e); } } Runnable getTarget() { return target; } } interface IMakeEmptyClone { Object makeEmptyClone(); } static class Complex implements IFieldsToList{ static final String _fieldOrder = "re im"; double re; double im; Complex() {} Complex(double re, double im) { this.im = im; this.re = re;} public boolean equals(Object o) { if (!(o instanceof Complex)) return false; Complex __1 = (Complex) o; return re == __1.re && im == __1.im; } public int hashCode() { int h = -1679819632; h = boostHashCombine(h, _hashCode(re)); h = boostHashCombine(h, _hashCode(im)); return h; } public Object[] _fieldsToList() { return new Object[] {re, im}; } double abs() { return sqrt(re*re+im*im); } double re() { return re; } double im() { return im; } final double angle(){ return phase(); } double phase() { return Math.atan2(im, re); } double fracAngle() { return fracNonNeg(angle()/twoPi()); } // angle as 0 to 1 public String toString() { if (im != 0) return re == 0 ? im + "i" : re + plusPrefixUnlessMinus(str(im)) + "i"; else return str(re); } } interface PCallPolicy { void handlePcallFail(Throwable e); } // 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; } } static abstract class CloseableIterableIterator extends IterableIterator implements AutoCloseable { public void close() throws Exception {} } static interface IF2 { C get(A a, B b); } static interface Producer { public A next(); // null when end } // Note: This does have the values problem (complicated values can cause memory leaks) static class BetterThreadLocal { Map map = newWeakHashMap(); BetterThreadLocal() {} BetterThreadLocal(A value) { set(value); } boolean isSet() { return map.containsKey(currentThread()); } A get() { if (map.containsKey(currentThread())) return map.get(currentThread()); A value = initialValue(); set(value); return value; } A get(Thread thread) { return thread == null ? null : map.get(thread); } void set(A a) { map.put(currentThread(), a); } public A initialValue() { return null; } } static class ReverseChain implements Iterable { A element; ReverseChain prev; int size; ReverseChain() {} ReverseChain(ReverseChain prev, A element) { this.element = element; this.prev = prev; if (prev == null) size = 1; else { prev.check(); size = prev.size+1; } } void check() { if (size < 1) throw fail("You called the ReverseChain default constructor. Don't do that"); } public String toString() { return str(toList()); } ArrayList toList() { check(); ArrayList l = emptyList(size); for (int i = 0; i < size; i++) l.add(null); int i = size; ReverseChain c = this; while (c != null) { l.set(--i, c.element); c = c.prev; } return l; } public Iterator iterator() { return toList().iterator(); } } static class GeometricPriceCells implements PriceCells { GeometricPriceCells() {} // cell size in percent final public GeometricPriceCells setCellSizeInPercent(double cellSizeInPercent){ return cellSizeInPercent(cellSizeInPercent); } public GeometricPriceCells cellSizeInPercent(double cellSizeInPercent) { this.cellSizeInPercent = cellSizeInPercent; return this; } final public double getCellSizeInPercent(){ return cellSizeInPercent(); } public double cellSizeInPercent() { return cellSizeInPercent; } double cellSizeInPercent; // one of the cell limits final public GeometricPriceCells setBasePrice(double basePrice){ return basePrice(basePrice); } public GeometricPriceCells basePrice(double basePrice) { this.basePrice = basePrice; return this; } final public double getBasePrice(){ return basePrice(); } public double basePrice() { return basePrice; } double basePrice = 1000; GeometricPriceCells(double cellSizeInPercent) { this.cellSizeInPercent = cellSizeInPercent;} GeometricPriceCells(double basePrice, double cellSizeInPercent) { this.cellSizeInPercent = cellSizeInPercent; this.basePrice = basePrice;} double ratio() { return 1+cellSizeInPercent/100; } double toLogScale(double price) { return log(price, ratio()); } double fromLogScale(double logPrice) { return pow(ratio(), logPrice); } double logBasePrice() { return toLogScale(basePrice); } double remainder(double price) { return remainder(toLogScale(price)); } double remainderLog(double logPrice) { return frac(logPrice-logBasePrice()); } // TODO: fix this logic's rounding problems public boolean isCellLimit(double price) { return remainder(price) == 0; } public double nextCellLimitLog(double logPrice) { double r = remainderLog(logPrice); return logPrice + 1-r; } public double nextCellLimit(double price) { return fromLogScale(nextCellLimitLog(toLogScale(price))); } public double previousCellLimitLog(double logPrice) { double r = remainderLog(logPrice); return logPrice - (r == 0 ? 1 : r); } public double previousCellLimit(double price) { return fromLogScale(previousCellLimitLog(toLogScale(price))); } public double nCellLimitsDown(double price, int n) { double logPrice = toLogScale(price); logPrice = previousCellLimitLog(logPrice)-(n-1); return fromLogScale(logPrice); } public double nCellLimitsUp(double price, int n) { double logPrice = toLogScale(price); logPrice = nextCellLimitLog(logPrice)+n; return fromLogScale(logPrice); } public double priceToCellNumber(double price) { return toLogScale(price)-logBasePrice(); } public double cellNumberToPrice(double cellNumber) { return fromLogScale(cellNumber+logBasePrice()); } public String toString() { return formatDouble2(cellSizeInPercent) + "% cells with C0=" + formatPrice(basePrice); } } // -has fast nextElement() and prevElement() // -design allows for more functions like reordering the list // -Saves up to 34% in space over LinkedHashSet // (e.g. 22% for a set of 1,000 Ints) static class CompactLinkedHashSet extends AbstractSet { UnsynchronizedCompactHashSet> entries = new UnsynchronizedCompactHashSet(); Entry head, tail; static class Entry { A value; Entry prev, next; public int hashCode() { return _hashCode(value); } // "magic" equals function for CompactHashSet lookup without temp object public boolean equals(Object o) { return o == this || eq(value, o); } } public boolean add(A a) { if (entries.contains(a)) return false; Entry n = new Entry(); n.value = a; n.prev = tail; if (tail != null) tail.next = n; tail = n; if (head == null) head = n; entries.add(n); return true; } public boolean remove(Object a) { return remove(entries.find(a)); } public boolean remove(Entry node) { if (node == null) return false; if (node.next != null) node.next.prev = node.prev; else tail = node.prev; if (node.prev != null) node.prev.next = node.next; else head = node.next; entries.remove(node); return true; } public int size() { return entries.size(); } public IterableIterator iterator() { return new IterableIterator() { Entry entry = head, prev = null; public boolean hasNext() { return entry != null; } public A next() { A a = entry.value; prev = entry; entry = entry.next; return a; } // untested public void remove() { if (prev == null) throw new IllegalStateException(); CompactLinkedHashSet.this.remove(prev); prev = null; } }; } public void clear() { entries.clear(); head = tail = null; } public boolean contains(Object a) { return entries.contains(a); } public A find(Object o) { Entry e = entries.find(o); return e == null ? null : e.value; } public A prevElement(A a) { Entry e = entries.find(a); if (e == null || e.prev == null) return null; return e.prev.value; } public A nextElement(A a) { Entry e = entries.find(a); if (e == null || e.next == null) return null; return e.next.value; } public A first() { return head == null ? null : head.value; } public A last() { return tail == null ? null : tail.value; } boolean removeIfSame(Object o) { A value = find(o); if (value == o) { remove(value); return true; } return false; } } static interface IVF2 { void get(A a, B b); } static interface ISetter { void set(A a); } static interface IAutoCloseableF0 extends IF0, AutoCloseable {} /* * #! * Ontopia Engine * #- * Copyright (C) 2001 - 2013 The Ontopia Project * #- * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * !# */ // modified by Stefan Reich // Implements the Set interface more compactly than // java.util.HashSet by using a closed hashtable. // Note: equals is always called on the _stored_ object, not the one // passed as an argument to find(), contains() etc. // (In case you want to put special magic in your equals() function) static class UnsynchronizedCompactHashSet extends java.util.AbstractSet { protected final static int INITIAL_SIZE = 3; public final static double LOAD_FACTOR = 0.75; protected final static Object nullObject = new Object(); protected final static Object deletedObject = new Object(); protected int elements; protected int freecells; protected A[] objects; protected int modCount; UnsynchronizedCompactHashSet() { this(INITIAL_SIZE); } UnsynchronizedCompactHashSet(int size) { // NOTE: If array size is 0, we get a // "java.lang.ArithmeticException: / by zero" in add(Object). objects = (A[]) new Object[(size==0 ? 1 : size)]; elements = 0; freecells = objects.length; modCount = 0; } UnsynchronizedCompactHashSet(Collection c) { this(c.size()); addAll(c); } @Override public Iterator iterator() { return new CompactHashIterator(); } @Override public int size() { return elements; } @Override public boolean isEmpty() { return elements == 0; } @Override public boolean contains(Object o) { return find(o) != null; } A find(Object o) { if (o == null) o = nullObject; int hash = o.hashCode(); int index = (hash & 0x7FFFFFFF) % objects.length; int offset = 1; // search for the object (continue while !null and !this object) while(objects[index] != null && !(objects[index].hashCode() == hash && objects[index].equals(o))) { index = ((index + offset) & 0x7FFFFFFF) % objects.length; offset = offset*2 + 1; if (offset == -1) offset = 2; } return objects[index]; } boolean removeIfSame(Object o) { A value = find(o); if (value == o) { remove(value); return true; } return false; } @Override public boolean add(Object o) { if (o == null) o = nullObject; int hash = o.hashCode(); int index = (hash & 0x7FFFFFFF) % objects.length; int offset = 1; int deletedix = -1; // search for the object (continue while !null and !this object) while(objects[index] != null && !(objects[index].hashCode() == hash && objects[index].equals(o))) { // if there's a deleted object here we can put this object here, // provided it's not in here somewhere else already if (objects[index] == deletedObject) deletedix = index; index = ((index + offset) & 0x7FFFFFFF) % objects.length; offset = offset*2 + 1; if (offset == -1) offset = 2; } if (objects[index] == null) { // wasn't present already if (deletedix != -1) // reusing a deleted cell index = deletedix; else freecells--; modCount++; elements++; // here we face a problem regarding generics: // add(A o) is not possible because of the null Object. We cant do 'new A()' or '(A) new Object()' // so adding an empty object is a problem here // If (! o instanceof A) : This will cause a class cast exception // If (o instanceof A) : This will work fine objects[index] = (A) o; // do we need to rehash? if (1 - (freecells / (double) objects.length) > LOAD_FACTOR) rehash(); return true; } else // was there already return false; } @Override public boolean remove(Object o) { if (o == null) o = nullObject; int hash = o.hashCode(); int index = (hash & 0x7FFFFFFF) % objects.length; int offset = 1; // search for the object (continue while !null and !this object) while(objects[index] != null && !(objects[index].hashCode() == hash && objects[index].equals(o))) { index = ((index + offset) & 0x7FFFFFFF) % objects.length; offset = offset*2 + 1; if (offset == -1) offset = 2; } // we found the right position, now do the removal if (objects[index] != null) { // we found the object // same problem here as with add objects[index] = (A) deletedObject; modCount++; elements--; return true; } else // we did not find the object return false; } @Override public void clear() { elements = 0; for (int ix = 0; ix < objects.length; ix++) objects[ix] = null; freecells = objects.length; modCount++; } @Override public Object[] toArray() { Object[] result = new Object[elements]; Object[] objects = this.objects; int pos = 0; for (int i = 0; i < objects.length; i++) if (objects[i] != null && objects[i] != deletedObject) { if (objects[i] == nullObject) result[pos++] = null; else result[pos++] = objects[i]; } // unchecked because it should only contain A return result; } // not sure if this needs to have generics @Override public T[] toArray(T[] a) { int size = elements; if (a.length < size) a = (T[])java.lang.reflect.Array.newInstance( a.getClass().getComponentType(), size); A[] objects = this.objects; int pos = 0; for (int i = 0; i < objects.length; i++) if (objects[i] != null && objects[i] != deletedObject) { if (objects[i] == nullObject) a[pos++] = null; else a[pos++] = (T) objects[i]; } return a; } protected void rehash() { int garbagecells = objects.length - (elements + freecells); if (garbagecells / (double) objects.length > 0.05) // rehash with same size rehash(objects.length); else // rehash with increased capacity rehash(objects.length*2 + 1); } protected void rehash(int newCapacity) { int oldCapacity = objects.length; @SuppressWarnings("unchecked") A[] newObjects = (A[]) new Object[newCapacity]; for (int ix = 0; ix < oldCapacity; ix++) { Object o = objects[ix]; if (o == null || o == deletedObject) continue; int hash = o.hashCode(); int index = (hash & 0x7FFFFFFF) % newCapacity; int offset = 1; // search for the object while(newObjects[index] != null) { // no need to test for duplicates index = ((index + offset) & 0x7FFFFFFF) % newCapacity; offset = offset*2 + 1; if (offset == -1) offset = 2; } newObjects[index] = (A) o; } objects = newObjects; freecells = objects.length - elements; } private class CompactHashIterator implements Iterator { private int index; private int lastReturned = -1; private int expectedModCount; @SuppressWarnings("empty-statement") public CompactHashIterator() { for (index = 0; index < objects.length && (objects[index] == null || objects[index] == deletedObject); index++) ; expectedModCount = modCount; } @Override public boolean hasNext() { return index < objects.length; } @SuppressWarnings("empty-statement") @Override public T next() { /*if (modCount != expectedModCount) throw new ConcurrentModificationException();*/ int length = objects.length; if (index >= length) { lastReturned = -2; throw new NoSuchElementException(); } lastReturned = index; for (index += 1; index < length && (objects[index] == null || objects[index] == deletedObject); index++) ; if (objects[lastReturned] == nullObject) return null; else return (T) objects[lastReturned]; } @Override public void remove() { if (modCount != expectedModCount) throw new ConcurrentModificationException(); if (lastReturned == -1 || lastReturned == -2) throw new IllegalStateException(); // delete object if (objects[lastReturned] != null && objects[lastReturned] != deletedObject) { objects[lastReturned] = (A) deletedObject; elements--; modCount++; expectedModCount = modCount; // this is expected; we made the change } } } int capacity() { return objects.length; } // returns true if there was a shrink boolean shrinkToFactor(double factor) { if (factor > LOAD_FACTOR) throw fail("Shrink factor must be equal to or smaller than load factor: " + factor + " / " + LOAD_FACTOR); int newCapacity = max(INITIAL_SIZE, iround(size()/factor)); if (newCapacity >= capacity()) return false; rehash(newCapacity); return true; } } interface IDoublePt { public double x_double(); public double y_double(); } static interface WidthAndHeight { default int w(){ return getWidth(); } default int width(){ return getWidth(); } int getWidth(); default int h(){ return getHeight(); } default int height(){ return getHeight(); } int getHeight(); public default Rect bounds() { return rect(0, 0, getWidth(), getHeight()); } default int area() { return toInt(areaAsLong()); } default long areaAsLong() { return longMul(w(), h()); } } static WidthAndHeight widthAndHeight(BufferedImage image) { return image == null ? null : widthAndHeight(image.getWidth(), image.getHeight()); } static WidthAndHeight widthAndHeight(int w) { return widthAndHeight(w, w); } static WidthAndHeight widthAndHeight(int w, int h) { return new WidthAndHeightFinal(w, h); } static Pt ptMinus(Pt a, Pt b) { if (b == null) return a; return new Pt(a.x-b.x, a.y-b.y); } static Object metaGet(IMeta o, Object key) { return metaMapGet(o, key); } static Object metaGet(Object o, Object key) { return metaMapGet(o, key); } static Object metaGet(String key, IMeta o) { return metaMapGet(o, key); } static Object metaGet(String key, Object o) { return metaMapGet(o, key); } static Object metaMapGet(IMeta o, Object key) { return o == null ? null : o.metaGet(key); // We now let the object itself do it (overridable!) } static Object metaMapGet(Object o, Object key) { return metaMapGet(toIMeta(o), key); } static void metaPut(IMeta o, Object key, Object value) { metaMapPut(o, key, value); } static void metaPut(Object o, Object key, Object value) { metaMapPut(o, key, value); } static Map convertObjectMetaToMap(IMeta o) { return convertObjectMetaToMap(o, () -> makeObjectMetaMap()); } static Map convertObjectMetaToMap(IMeta o, IF0 createEmptyMap) { if (o == null) return null; // The following shortcut depends on the assumption that a meta field never reverts // to null when it was a map Object meta = o._getMeta(); if (meta instanceof Map) return ((Map) meta); // non-shortcut path (create meta) var mutex = tempMetaMutex(o); try { var actualMutex = mutex.get(); synchronized(actualMutex) { meta = o._getMeta(); if (meta instanceof Map) return ((Map) meta); Map map = createEmptyMap.get(); if (meta != null) map.put("previousMeta" , meta); o._setMeta(map); return map; } } finally { _close(mutex); }} static void syncMapPutOrRemove(Map map, A key, B value) { syncMapPut2(map, key, value); } static double fracNonNeg(double d) { return frac_nonNeg(d); } static double twoPi() { return Math.PI*2; } static String plusPrefixUnlessMinus(String s) { return startsWith(s, "-") ? s : "+" + s; } 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 A second(Producer p) { if (p == null) return null; if (p.next() == null) return null; return p.next(); } static char second(String s) { return charAt(s, 1); } static double log(double d) { return Math.log(d); } static double log(double d, double base) { return Math.log(d)/Math.log(base); } static long ratio(long x, long y) { return y == 0 ? 0 : x/y; } static double ratio(double x, double y) { return y == 0 ? 0 : x/y; } static double pow(double a, double b) { return Math.pow(a, b); } static float pow(float a, float b) { return (float) Math.pow(a, b); } static BigInteger pow(BigInteger a, int b) { return a.pow(b); } static double frac(double d) { return fraction(d); } static String formatDouble2(double d) { return formatDouble(d, 2); } static String find(String pattern, String text) { Matcher matcher = Pattern.compile(pattern).matcher(text); if (matcher.find()) return matcher.group(1); return null; } static A find(Collection c, Object... data) { for (A x : c) if (checkFields(x, data)) return x; return null; } static int getWidth(Component c) { return c == null ? 0 : (int) swingCall(c, "getWidth"); } static int getHeight(Component c) { return c == null ? 0 : (int) swingCall(c, "getHeight"); } static Rect rect(int x, int y, int w, int h) { return new Rect(x, y, w, h); } static Rect rect(Pt p, int w, int h) { return new Rect(p.x, p.y, w, h); } static Rect rect(int w, int h) { return new Rect(0, 0, w, h); } static long longMul(long a, long b) { return a*b; } static IMeta toIMeta(Object o) { return initIMeta(o); } static Map makeObjectMetaMap() { //ret synchroLinkedHashMap(); return new CompactHashMap(); } static IAutoCloseableF0 tempMetaMutex(IMeta o) { return o == null ? null : o._tempMetaMutex(); } static void syncMapPut2(Map map, A key, B value) { if (map != null && key != null) synchronized(collectionMutex(map)) { if (value != null) map.put(key, value); else map.remove(key); } } static double frac_nonNeg(double d) { return mod(d, 1); } static char charAt(String s, int i) { return s != null && i >= 0 && i < s.length() ? s.charAt(i) : '\0'; } static boolean checkFields(Object x, Object... data) { for (int i = 0; i < l(data); i += 2) if (neq(getOpt(x, (String) data[i]), data[i+1])) return false; return true; } static Object swingCall(final Object o, final String method, final Object... args) { return swing(new F0() { public Object get() { try { return call(o, method, args); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "return call(o, method, args);"; }}); } // better modulo that gives positive numbers always static int mod(int n, int m) { return (n % m + m) % m; } static long mod(long n, long m) { return (n % m + m) % m; } static BigInteger mod(BigInteger n, int m) { return n.mod(bigint(m)); } static double mod(double n, double m) { return (n % m + m) % m; } // size: // 64 bytes for 0 to 1 elements // 96 bytes for 2 to 4 elements /* * #! * Ontopia Engine * #- * Copyright (C) 2001 - 2013 The Ontopia Project * #- * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * !# */ static class CompactHashMap extends CompactAbstractMap { final static int INITIAL_SIZE = 3; final static double LOAD_FACTOR = 0.6; // This object is used to represent a null KEY (null value are kept as is) final static Object nullObject = new Object(); /** * When a key is deleted this object is put into the hashtable in * its place, so that other entries with the same key (collisions) * further down the hashtable are not lost after we delete an object * in the collision chain. */ final static Object deletedObject = new Object(); int elements; int freecells; Object[] table; // key, value, key, value, ... //int modCount; CompactHashMap() { this(INITIAL_SIZE); } CompactHashMap(int size) { table = new Object[(size==0 ? 1 : size)*2]; elements = 0; freecells = tableSize(); //modCount = 0; } // TODO: allocate smarter CompactHashMap(Map map) { this(0); if (map != null) putAll(map); } // ===== MAP IMPLEMENTATION ============================================= /** * Returns the number of key/value mappings in this map. */ public synchronized int size() { return elements; } /** * Returns true if this map contains no mappings. */ public synchronized boolean isEmpty() { return elements == 0; } /** * Removes all key/value mappings in the map. */ public synchronized void clear() { elements = 0; for (int ix = 0; ix < tableSize(); ix++) { key(ix, null); value(ix, null); } freecells = tableSize(); //modCount++; } /** * Returns true if this map contains the specified key. */ public synchronized boolean containsKey(Object k) { return key(findKeyIndex(k)) != null; } /** * Returns true if this map contains the specified value. */ public synchronized boolean containsValue(Object v) { if (v == null) v = (V)nullObject; for (int ix = 0; ix < tableSize(); ix++) if (value(ix) != null && value(ix).equals(v)) return true; return false; } /** * Returns a read-only set view of the map's keys. */ public synchronized Set> entrySet() { return new EntrySet(); } /** * Removes the mapping with key k, if there is one, and returns its * value, if there is one, and null if there is none. */ public synchronized V remove(Object k) { int index = findKeyIndex(k); // we found the right position, now do the removal if (key(index) != null) { // we found the object // same problem here as with put V v = value(index); key(index, deletedObject); value(index, deletedObject); //modCount++; elements--; return v; } else // we did not find the key return null; } /** * Adds the specified mapping to this map, returning the old value for * the mapping, if there was one. */ public synchronized V put(K k, V v) { if (k == null) k = (K)nullObject; int hash = k.hashCode(); int index = (hash & 0x7FFFFFFF) % tableSize(); int offset = 1; int deletedix = -1; // search for the key (continue while !null and !this key) while(key(index) != null && !(key(index).hashCode() == hash && key(index).equals(k))) { // if there's a deleted mapping here we can put this mapping here, // provided it's not in here somewhere else already if (key(index) == deletedObject) deletedix = index; index = ((index + offset) & 0x7FFFFFFF) % tableSize(); offset = offset*2 + 1; if (offset == -1) offset = 2; } if (key(index) == null) { // wasn't present already if (deletedix != -1) // reusing a deleted cell index = deletedix; else freecells--; //modCount++; elements++; key(index, k); value(index, v); // rehash with increased capacity if (1 - (freecells / (double) tableSize()) > LOAD_FACTOR) rehash(tableSize()*2 + 1); return null; } else { // was there already //modCount++; V oldv = value(index); value(index, v); return oldv; } } /** * INTERNAL: Rehashes the hashmap to a bigger size. */ void rehash(int newCapacity) { int oldCapacity = tableSize(); Object[] newTable = new Object[newCapacity*2]; for (int ix = 0; ix < oldCapacity; ix++) { Object k = key(ix); if (k == null || k == deletedObject) continue; int hash = k.hashCode(); int index = (hash & 0x7FFFFFFF) % newCapacity; int offset = 1; // search for the key while(newTable[index*2] != null) { // no need to test for duplicates index = ((index + offset) & 0x7FFFFFFF) % newCapacity; offset = offset*2 + 1; if (offset == -1) offset = 2; } newTable[index*2] = k; newTable[index*2+1] = value(ix); } table = newTable; freecells = tableSize() - elements; } /** * Returns the value for the key k, if there is one, and null if * there is none. */ public synchronized V get(Object k) { return value(findKeyIndex(k)); } /** * Returns a virtual read-only collection containing all the values * in the map. */ public synchronized Collection values() { return new ValueCollection(); } /** * Returns a virtual read-only set of all the keys in the map. */ public synchronized Set keySet() { return new KeySet(); } // --- Internal utilities final int findKeyIndex(Object k) { if (k == null) k = nullObject; int hash = k.hashCode(); int index = (hash & 0x7FFFFFFF) % tableSize(); int offset = 1; // search for the key (continue while !null and !this key) while(key(index) != null && !(key(index).hashCode() == hash && key(index).equals(k))) { index = ((index + offset) & 0x7FFFFFFF) % tableSize(); offset = offset*2 + 1; if (offset == -1) offset = 2; } return index; } // --- Key set class KeySet extends AbstractSet { public int size() { synchronized(CompactHashMap.this) { return elements; }} public boolean contains(Object k) { synchronized(CompactHashMap.this) { return containsKey(k); }} public Iterator iterator() { synchronized(CompactHashMap.this) { return new KeyIterator(); }} } class KeyIterator implements Iterator { private int ix; private KeyIterator() { synchronized(CompactHashMap.this) { // walk up to first value, so that hasNext() and next() return // correct results for (; ix < tableSize(); ix++) if (value(ix) != null && key(ix) != deletedObject) break; } } public boolean hasNext() { synchronized(CompactHashMap.this) { return ix < tableSize(); }} public void remove() { throw new UnsupportedOperationException("Collection is read-only"); } public K next() { synchronized(CompactHashMap.this) { if (ix >= tableSize()) throw new NoSuchElementException(); K key = (K) key(ix++); // walk up to next value for (; ix < tableSize(); ix++) if (key(ix) != null && key(ix) != deletedObject) break; // ix now either points to next key, or outside array (if no next) return key; }} } // --- Entry set class EntrySet extends AbstractSet> { public int size() { synchronized(CompactHashMap.this) { return elements; }} public boolean contains(Object o) { synchronized(CompactHashMap.this) { if (o instanceof Map.Entry) { Object key = ((Map.Entry) o).getKey(); if (!containsKey((Map.Entry) o)) return false; return eq(((Map.Entry) o).getValue(), get(key)); } return false; }} public Iterator> iterator() { return new EntryIterator(); } } class EntryIterator implements Iterator> { private int ix; private EntryIterator() { synchronized(CompactHashMap.this) { // walk up to first value, so that hasNext() and next() return // correct results for (; ix < tableSize(); ix++) if (value(ix) != null && key(ix) != deletedObject) break; } } public boolean hasNext() { synchronized(CompactHashMap.this) { return ix < tableSize(); }} public void remove() { throw new UnsupportedOperationException("Collection is read-only"); } public Map.Entry next() { synchronized(CompactHashMap.this) { if (ix >= tableSize()) throw new NoSuchElementException(); K key = key(ix); V val = value(ix); ++ix; // walk up to next value for (; ix < tableSize(); ix++) if (key(ix) != null && key(ix) != deletedObject) break; // ix now either points to next key, or outside array (if no next) return simpleMapEntry(key, val); }} } // --- Value collection class ValueCollection extends AbstractCollection { public int size() { synchronized(CompactHashMap.this) { return elements; }} public Iterator iterator() { return new ValueIterator(); } public boolean contains(Object v) { return containsValue(v); } } class ValueIterator implements Iterator { private int ix; private ValueIterator() { synchronized(CompactHashMap.this) { // walk up to first value, so that hasNext() and next() return // correct results for (; ix < table.length/2; ix++) if (value(ix) != null && value(ix) != deletedObject) break; } } public boolean hasNext() { synchronized(CompactHashMap.this) { return ix < tableSize(); }} public void remove() { throw new UnsupportedOperationException("Collection is read-only"); } public V next() { synchronized(CompactHashMap.this) { if (ix >= tableSize()) throw new NoSuchElementException(); V value = (V) value(ix++); // walk up to next value for (; ix < tableSize(); ix++) if (value(ix) != null && value(ix) != deletedObject) break; // ix now either points to next value, or outside array (if no next) return value; }} } K key(int i) { return (K) table[i*2]; } void key(int i, Object key) { table[i*2] = key; } V value(int i) { return (V) table[i*2+1]; } void value(int i, Object value) { table[i*2+1] = value; } int tableSize() { return table.length/2; } } static final class WidthAndHeightFinal extends Meta implements WidthAndHeight , ByteIO , IFieldsToList{ static final String _fieldOrder = "width height"; int width; int height; WidthAndHeightFinal() {} WidthAndHeightFinal(int width, int height) { this.height = height; this.width = width;} public boolean equals(Object o) { if (!(o instanceof WidthAndHeightFinal)) return false; WidthAndHeightFinal __0 = (WidthAndHeightFinal) o; return width == __0.width && height == __0.height; } public int hashCode() { int h = -1177452162; h = boostHashCombine(h, _hashCode(width)); h = boostHashCombine(h, _hashCode(height)); return h; } public Object[] _fieldsToList() { return new Object[] {width, height}; } public int getWidth() { return width; } public int getHeight() { return height; } WidthAndHeightFinal(int wAndH) { this(wAndH, wAndH); } public String toString() { return n2(width) + "*" + n2(height) + " px"; } public void readWrite(ByteHead head) { head.exchangeInt(() -> width(), w -> width = w); head.exchangeInt(() -> height(), h -> height = h); } } abstract static class CompactAbstractMap implements Map { public int size() { return entrySet().size(); } public boolean isEmpty() { return size() == 0; } public boolean containsValue(Object value) { Iterator> i = entrySet().iterator(); if (value == null) { while (i.hasNext()) { Entry e = i.next(); if (e.getValue() == null) return true; } } else { while (i.hasNext()) { Entry e = i.next(); if (value.equals(e.getValue())) return true; } } return false; } public boolean containsKey(Object key) { Iterator> i = entrySet().iterator(); if (key == null) { while (i.hasNext()) { Entry e = i.next(); if (e.getKey() == null) return true; } } else { while (i.hasNext()) { Entry e = i.next(); if (key.equals(e.getKey())) return true; } } return false; } public V get(Object key) { Iterator> i = entrySet().iterator(); if (key == null) { while (i.hasNext()) { Entry e = i.next(); if (e.getKey() == null) return e.getValue(); } } else { while (i.hasNext()) { Entry e = i.next(); if (key.equals(e.getKey())) return e.getValue(); } } return null; } public V put(K key, V value) { throw new UnsupportedOperationException(); } public V remove(Object key) { Iterator> i = entrySet().iterator(); Entry correctEntry = null; if (key == null) { while (correctEntry == null && i.hasNext()) { Entry e = i.next(); if (e.getKey() == null) correctEntry = e; } } else { while (correctEntry == null && i.hasNext()) { Entry e = i.next(); if (key.equals(e.getKey())) correctEntry = e; } } V oldValue = null; if (correctEntry != null) { oldValue = correctEntry.getValue(); i.remove(); } return oldValue; } public void putAll(Map m) { for (Entry e : m.entrySet()) put(e.getKey(), e.getValue()); } public void clear() { entrySet().clear(); } public Set keySet() { return new AbstractSet() { public Iterator iterator() { return new Iterator() { private Iterator> i = entrySet().iterator(); public boolean hasNext() { return i.hasNext(); } public K next() { return i.next().getKey(); } public void remove() { i.remove(); } }; } public int size() { return CompactAbstractMap.this.size(); } public boolean isEmpty() { return CompactAbstractMap.this.isEmpty(); } public void clear() { CompactAbstractMap.this.clear(); } public boolean contains(Object k) { return CompactAbstractMap.this.containsKey(k); } }; } public Collection values() { return new AbstractCollection() { public Iterator iterator() { return new Iterator() { private Iterator> i = entrySet().iterator(); public boolean hasNext() { return i.hasNext(); } public V next() { return i.next().getValue(); } public void remove() { i.remove(); } }; } public int size() { return CompactAbstractMap.this.size(); } public boolean isEmpty() { return CompactAbstractMap.this.isEmpty(); } public void clear() { CompactAbstractMap.this.clear(); } public boolean contains(Object v) { return CompactAbstractMap.this.containsValue(v); } }; } public abstract Set> entrySet(); public boolean equals(Object o) { if (o == this) return true; if (!(o instanceof Map)) return false; Map m = (Map) o; if (m.size() != size()) return false; try { for (Entry e : entrySet()) { K key = e.getKey(); V value = e.getValue(); if (value == null) { if (!(m.get(key) == null && m.containsKey(key))) return false; } else { if (!value.equals(m.get(key))) return false; } } } catch (ClassCastException unused) { return false; } catch (NullPointerException unused) { return false; } return true; } public int hashCode() { int h = 0; for (Entry entry : entrySet()) h += entry.hashCode(); return h; } public String toString() { Iterator> i = entrySet().iterator(); if (!i.hasNext()) return "{}"; StringBuilder sb = new StringBuilder(); sb.append('{'); for (; ; ) { Entry e = i.next(); K key = e.getKey(); V value = e.getValue(); sb.append(key == this ? "(this Map)" : key); sb.append('='); sb.append(value == this ? "(this Map)" : value); if (!i.hasNext()) return sb.append('}').toString(); sb.append(',').append(' '); } } protected Object clone() throws CloneNotSupportedException { CompactAbstractMap result = (CompactAbstractMap) super.clone(); return result; } public static class SimpleEntry implements Entry, java.io.Serializable { @java.io.Serial private static final long serialVersionUID = -8499721149061103585L; @SuppressWarnings("serial") private final K key; @SuppressWarnings("serial") private V value; public SimpleEntry(K key, V value) { this.key = key; this.value = value; } public SimpleEntry(Entry entry) { this.key = entry.getKey(); this.value = entry.getValue(); } public K getKey() { return key; } public V getValue() { return value; } public V setValue(V value) { V oldValue = this.value; this.value = value; return oldValue; } public boolean equals(Object o) { if (!(o instanceof Map.Entry)) return false; Entry e = (Entry) o; return eq(key, e.getKey()) && eq(value, e.getValue()); } public int hashCode() { return (key == null ? 0 : key.hashCode()) ^ (value == null ? 0 : value.hashCode()); } public String toString() { return key + "=" + value; } } public static class SimpleImmutableEntry implements Entry, java.io.Serializable { @java.io.Serial private static final long serialVersionUID = 7138329143949025153L; @SuppressWarnings("serial") private final K key; @SuppressWarnings("serial") private final V value; public SimpleImmutableEntry(K key, V value) { this.key = key; this.value = value; } public SimpleImmutableEntry(Entry entry) { this.key = entry.getKey(); this.value = entry.getValue(); } public K getKey() { return key; } public V getValue() { return value; } public V setValue(V value) { throw new UnsupportedOperationException(); } public boolean equals(Object o) { if (!(o instanceof Map.Entry)) return false; Entry e = (Entry) o; return eq(key, e.getKey()) && eq(value, e.getValue()); } public int hashCode() { return (key == null ? 0 : key.hashCode()) ^ (value == null ? 0 : value.hashCode()); } public String toString() { return key + "=" + value; } } } static boolean scaffoldingEnabled(Object o) { return metaGet(o, "scaffolding") != null; } static Value value(A a) { return new Value(a); } static boolean containsKey(Map map, A key) { return map != null && map.containsKey(key); } static Map.Entry simpleMapEntry(A key, B value) { return new Map.Entry() { public A getKey() { return key; } public B getValue() { return value; } public B setValue(B newValue) { throw unimplemented(); } }; } static RuntimeException unimplemented() { throw fail("TODO"); } static RuntimeException unimplemented(String msg) { throw fail("TODO: " + msg); } static RuntimeException unimplemented(Object obj) { throw fail("TODO: implement method in " + className(obj)); } static class Value implements IF0 , IFieldsToList{ A value; Value() {} Value(A value) { this.value = value;} public boolean equals(Object o) { if (!(o instanceof Value)) return false; Value __1 = (Value) o; return eq(value, __1.value); } public int hashCode() { int h = 82420049; h = boostHashCombine(h, _hashCode(value)); return h; } public Object[] _fieldsToList() { return new Object[] {value}; } public A get() { return value; } public String toString() { return str(get()); } } }