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 static x30_pkg.x30_util.DynamicObject; import java.awt.datatransfer.StringSelection; import java.awt.datatransfer.Transferable; import java.awt.datatransfer.DataFlavor; import java.awt.datatransfer.UnsupportedFlavorException; class main { static Area regionToArea(FastRegions_BWImage regions, int iRegion) { return bitMatrixToArea(regions.regionBitMatrix(iRegion)); } static Area bitMatrixToArea(Matrix m) { return scanlineBitMatrixToArea(toScanlineBitMatrix(m)); } static Area scanlineBitMatrixToArea(ScanlineBitMatrix m) { return joinAreas(map(__21 -> toRectangle(__21), m.runs())); } static ScanlineBitMatrix toScanlineBitMatrix(Matrix m) { if (m == null) return null; if (m instanceof ScanlineBitMatrix) return ((ScanlineBitMatrix) m); return new ScanlineBitMatrix(m); } static Area joinAreas(Collection l) { if (empty(l)) return null; Area a = new Area(); for (var b : l) a.add(toArea(b)); return a; } 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; } static List map(Iterable l, F1 f) { return map(f, l); } static List map(F1 f, Iterable l) { List x = emptyList(l); if (l != null) for (A o : l) { ping(); x.add(callF(f, o)); } return x; } static List map(IF1 f, Iterable l) { return map(l, f); } static List map(Iterable l, IF1 f) { List x = emptyList(l); if (l != null) for (A o : l) { ping(); x.add(f.get(o)); } return x; } static List map(IF1 f, A[] l) { return map(l, f); } static List map(A[] l, IF1 f) { List x = emptyList(l); if (l != null) for (A o : l) { ping(); x.add(f.get(o)); } return x; } static List map(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); } // 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(Map map, IF2 f) { return map(map, (Object) f); } // 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 Rectangle toRectangle(Rect r) { return r == null ? null : r.getRectangle(); } 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(MultiMap mm) { return mm == null || mm.isEmpty(); } static boolean empty(File f) { return getFileSize(f) == 0; } static boolean empty(IntBuffer b) { return b == null || b.isEmpty(); } static boolean empty(Rect r) { return !(r != null && r.w != 0 && r.h != 0); } static Area toArea(Shape s) { if (s == null) return null; if (s instanceof Area) return ((Area) s); return new Area(s); } 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(); } //sbool ping_actions_shareable = true; static volatile boolean ping_pauseAll = false; static int ping_sleep = 100; // poll pauseAll flag every 100 static volatile boolean ping_anyActions = false; static Map ping_actions = newWeakHashMap(); static ThreadLocal ping_isCleanUpThread = new ThreadLocal(); // always returns true static boolean ping() { //ifdef useNewPing newPing(); //endifdef if (ping_pauseAll || ping_anyActions) ping_impl(true /* XXX */); //ifndef LeanMode ping_impl(); endifndef return true; } // returns true when it slept static boolean ping_impl(boolean okInCleanUp) { try { if (ping_pauseAll && !isAWTThread()) { do Thread.sleep(ping_sleep); while (ping_pauseAll); return true; } if (ping_anyActions) { // don't allow sharing ping_actions if (!okInCleanUp && !isTrue(ping_isCleanUpThread.get())) failIfUnlicensed(); Object action = null; synchronized(ping_actions) { if (!ping_actions.isEmpty()) { action = ping_actions.get(currentThread()); if (action instanceof Runnable) ping_actions.remove(currentThread()); if (ping_actions.isEmpty()) ping_anyActions = false; } } if (action instanceof Runnable) ((Runnable) action).run(); else if (eq(action, "cancelled")) throw fail("Thread cancelled."); } return false; } catch (Exception __e) { throw rethrow(__e); } } static 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; } // unclear semantics as to whether return null on null static ArrayList asList(A[] a) { return a == null ? new ArrayList() : new ArrayList(Arrays.asList(a)); } static ArrayList asList(int[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (int i : a) l.add(i); return l; } static ArrayList asList(long[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (long i : a) l.add(i); return l; } static ArrayList asList(float[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (float i : a) l.add(i); return l; } static ArrayList asList(double[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (double i : a) l.add(i); return l; } static ArrayList asList(short[] a) { if (a == null) return null; ArrayList l = emptyList(a.length); for (short i : a) l.add(i); return l; } static ArrayList asList(Iterator it) { ArrayList l = new ArrayList(); if (it != null) while (it.hasNext()) l.add(it.next()); return l; } // disambiguation static ArrayList asList(IterableIterator s) { return asList((Iterator) s); } static ArrayList asList(Iterable s) { if (s instanceof ArrayList) return (ArrayList) s; ArrayList l = new ArrayList(); if (s != null) for (A a : s) l.add(a); return l; } static ArrayList asList(Enumeration e) { ArrayList l = new ArrayList(); if (e != null) while (e.hasMoreElements()) l.add(e.nextElement()); return l; } static List asList(Pair p) { return p == null ? null : ll(p.a, p.b); } 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(Object o) { return o == null ? 0 : o instanceof String ? l((String) o) : o instanceof Map ? l((Map) o) : o instanceof Collection ? l((Collection) o) : o instanceof Object[] ? l((Object[]) o) : o instanceof boolean[] ? l((boolean[]) o) : o instanceof byte[] ? l((byte[]) o) : o instanceof char[] ? l((char[]) o) : o instanceof short[] ? l((short[]) o) : o instanceof int[] ? l((int[]) o) : o instanceof float[] ? l((float[]) o) : o instanceof double[] ? l((double[]) o) : o instanceof long[] ? l((long[]) o) : (Integer) call(o, "size"); } static int l(IntBuffer b) { return b == null ? 0 : b.size(); } 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 int max(int a, int b) { return Math.max(a, b); } static int max(int a, int b, int c) { return max(max(a, b), c); } static long max(int a, long b) { return Math.max((long) a, b); } static long max(long a, long b) { return Math.max(a, b); } static double max(int a, double b) { return Math.max((double) a, b); } static float max(float a, float b) { return Math.max(a, b); } static double max(double a, double b) { return Math.max(a, b); } static int max(Collection c) { int x = Integer.MIN_VALUE; for (int i : c) x = max(x, i); return x; } static double max(double[] c) { if (c.length == 0) return Double.MIN_VALUE; double x = c[0]; for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]); return x; } static float max(float[] c) { if (c.length == 0) return Float.MAX_VALUE; float x = c[0]; for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]); return x; } static byte max(byte[] c) { byte x = -128; for (byte d : c) if (d > x) x = d; return x; } static short max(short[] c) { short x = -0x8000; for (short d : c) if (d > x) x = d; return x; } static int max(int[] c) { int x = Integer.MIN_VALUE; for (int d : c) if (d > x) x = d; return x; } static > A max(A a, A b) { return cmp(a, b) >= 0 ? a : b; } static 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 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 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 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 String getClassName(Object o) { return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName(); } static Object invokeMethod(Method m, Object o, Object... args) { try { try { return m.invoke(o, args); } catch (InvocationTargetException e) { throw rethrow(getExceptionCause(e)); } catch (IllegalArgumentException e) { throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args))); } } catch (Exception __e) { throw rethrow(__e); } } static boolean call_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) print("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) { Object arg = args[i]; if (!(arg == null ? !types[i].isPrimitive() : isInstanceX(types[i], arg))) { if (debug) print("Bad parameter " + i + ": " + arg + " vs " + types[i]); return false; } } return true; } static 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 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 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 RuntimeException asRuntimeException(Throwable t) { if (t instanceof Error) _handleError((Error) t); return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t); } 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 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 Map synchroMap() { return synchroHashMap(); } static Map synchroMap(Map map) { return Collections.synchronizedMap(map); } static x30_pkg.x30_util.BetterThreadLocal newPing_actionTL; static x30_pkg.x30_util.BetterThreadLocal newPing_actionTL() { if (newPing_actionTL == null) newPing_actionTL = vm_generalMap_getOrCreate("newPing_actionTL", () -> { Runnable value = (Runnable) (callF_gen(vm_generalMap_get("newPing_valueForNewThread"))); var tl = new x30_pkg.x30_util.BetterThreadLocal(); tl.set(value); return tl; }); return newPing_actionTL; } static int isAndroid_flag; static boolean isAndroid() { if (isAndroid_flag == 0) isAndroid_flag = System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0 ? 1 : -1; return isAndroid_flag > 0; } static Boolean isHeadless_cache; static boolean isHeadless() { if (isHeadless_cache != null) return isHeadless_cache; if (isAndroid()) return isHeadless_cache = true; if (GraphicsEnvironment.isHeadless()) return isHeadless_cache = true; // Also check if AWT actually works. // If DISPLAY variable is set but no X server up, this will notice. try { SwingUtilities.isEventDispatchThread(); return isHeadless_cache = false; } catch (Throwable e) { return isHeadless_cache = true; } } static void assertTrue(Object o) { if (!(eq(o, true) /*|| isTrue(pcallF(o))*/)) throw fail(str(o)); } static boolean assertTrue(String msg, boolean b) { if (!b) throw fail(msg); return b; } static boolean assertTrue(boolean b) { if (!b) throw fail("oops"); return b; } static volatile boolean licensed_yes = true; static boolean licensed() { if (!licensed_yes) return false; ping_okInCleanUp(); return true; } static void licensed_off() { licensed_yes = false; } static String str(Object o) { return o == null ? "null" : o.toString(); } static String str(char[] c) { return new String(c); } static void _handleError(Error e) { call(javax(), "_handleError", e); } 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 Throwable getExceptionCause(Throwable e) { Throwable c = e.getCause(); return c != null ? c : e; } static String joinWithSpace(Iterable c) { return join(" ", c); } static String joinWithSpace(String... c) { return join(" ", c); } static List classNames(Collection l) { return getClassNames(l); } static List classNames(Object[] l) { return getClassNames(Arrays.asList(l)); } 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 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 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 Object call_withVarargs(Object o, String method, Object... args) { try { if (o == null) return null; if (o instanceof Class) { Class c = (Class) o; _MethodCache cache = callOpt_getCache(c); Method me = cache.findStaticMethod(method, args); if (me != null) return invokeMethod(me, null, args); // try varargs List methods = cache.cache.get(method); if (methods != null) methodSearch: for (Method m : methods) { { if (!(m.isVarArgs())) continue; } { if (!(isStaticMethod(m))) continue; } Object[] newArgs = massageArgsForVarArgsCall(m, args); if (newArgs != null) return invokeMethod(m, null, newArgs); } throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found"); } else { Class c = o.getClass(); _MethodCache cache = callOpt_getCache(c); Method me = cache.findMethod(method, args); if (me != null) return invokeMethod(me, o, args); // 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); } throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found"); } } catch (Exception __e) { throw rethrow(__e); } } static AutoCloseable tempInterceptPrintIfNotIntercepted(F1 f) { return print_byThread().get() == null ? tempInterceptPrint(f) : null; } static Class javax() { return getJavaX(); } static List synchroList() { return synchroList(new ArrayList()); } static List synchroList(List l) { return Collections.synchronizedList(l); } static A printException(A e) { printStackTrace(e); return e; } static A assertNotNull(A a) { assertTrue(a != null); return a; } static A assertNotNull(String msg, A a) { assertTrue(msg, a != null); return a; } static Map synchroHashMap() { return synchronizedMap(new HashMap()); } 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 vm_generalMap_get(Object key) { return vm_generalMap().get(key); } static void ping_okInCleanUp() { if (ping_pauseAll || ping_anyActions) ping_impl(true); } 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 Pair pair(A a, B b) { return new Pair(a, b); } static Pair pair(A a) { return new Pair(a, a); } public static String join(String glue, Iterable strings) { if (strings == null) return ""; if (strings instanceof Collection) { if (((Collection) strings).size() == 1) return str(first((Collection) strings)); } StringBuilder buf = new StringBuilder(); Iterator i = strings.iterator(); if (i.hasNext()) { buf.append(i.next()); while (i.hasNext()) buf.append(glue).append(i.next()); } return buf.toString(); } public static String join(String glue, String... strings) { return join(glue, Arrays.asList(strings)); } public static String join(String glue, Object... strings) { return join(glue, Arrays.asList(strings)); } static String join(Iterable strings) { return join("", strings); } static String join(Iterable strings, String glue) { return join(glue, strings); } public static String join(String[] strings) { return join("", strings); } static String join(String glue, Pair p) { return p == null ? "" : str(p.a) + glue + str(p.b); } static List getClassNames(Collection l) { List out = new ArrayList(); if (l != null) for (Object o : l) out.add(o == null ? null : getClassName(o)); return out; } static String combinePrintParameters(String s, Object o) { return (endsWithLetterOrDigit(s) ? s + ": " : s) + o; } // 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 Class mc() { return main.class; } 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 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(Method m, Object[] args) { Class[] types = m.getParameterTypes(); int n = types.length-1, nArgs = args.length; if (nArgs < n) return null; for (int i = 0; i < n; i++) if (!argumentCompatibleWithType(args[i], types[i])) return null; Class varArgType = types[n].getComponentType(); for (int i = n; i < nArgs; i++) if (!argumentCompatibleWithType(args[i], varArgType)) return null; Object[] newArgs = new Object[n+1]; arraycopy(args, 0, newArgs, 0, n); Object[] varArgs = arrayOfType(varArgType, nArgs-n); arraycopy(args, n, varArgs, 0, nArgs-n); newArgs[n] = varArgs; return newArgs; } static 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 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 Class __javax; static Class getJavaX() { try { return __javax; } catch (Exception __e) { throw rethrow(__e); } } static void __setJavaX(Class j) { __javax = j; _onJavaXSet(); } 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 Map synchronizedMap() { return synchroMap(); } static Map synchronizedMap(Map map) { return synchroMap(map); } static IF0 f0ToIF0(F0 f) { return f == null ? null : () -> f.get(); } 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_put(Object key, Object value) { return mapPutOrRemove(vm_generalMap(), key, value); } static List getClasses(Object[] array) { List l = emptyList(l(array)); for (Object o : array) l.add(_getClass(o)); return l; } static void multiMapPut(Map> map, A a, B b) { List l = map.get(a); if (l == null) map.put(a, l = new ArrayList()); l.add(b); } static void multiMapPut(MultiMap mm, A key, B value) { if (mm != null && key != null && value != null) mm.put(key, value); } static 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 int first(IntBuffer 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 boolean endsWithLetterOrDigit(String s) { return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length()-1)); } static Object getOpt(Object o, String field) { return getOpt_cached(o, field); } static Object getOpt(String field, Object o) { return getOpt_cached(o, field); } static Object getOpt_raw(Object o, String field) { try { Field f = getOpt_findField(o.getClass(), field); if (f == null) return null; makeAccessible(f); return f.get(o); } catch (Exception __e) { throw rethrow(__e); } } // access of static fields is not yet optimized static Object getOpt(Class c, String field) { try { if (c == null) return null; Field f = getOpt_findStaticField(c, field); if (f == null) return null; makeAccessible(f); return f.get(null); } catch (Exception __e) { throw rethrow(__e); } } static Field getOpt_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static A or(A a, A b) { return a != null ? a : b; } // 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 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 ArrayList cloneList(Iterable l) { return l instanceof Collection ? cloneList((Collection) l) : asList(l); } static ArrayList cloneList(Collection l) { if (l == null) return new ArrayList(); synchronized(collectionMutex(l)) { return new ArrayList(l); } } static 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 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 A[] arrayOfType(Class type, int n) { return makeArray(type, n); } static A[] arrayOfType(int n, Class type) { return arrayOfType(type, n); } 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 void _onJavaXSet() {} // 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 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 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 final Map> getOpt_cache = newDangerousWeakHashMap(f getOpt_special_init); static class getOpt_Map extends WeakHashMap { getOpt_Map() { if (getOpt_special == null) getOpt_special = new HashMap(); clear(); } public void clear() { super.clear(); //print("getOpt clear"); put(Class.class, getOpt_special); put(String.class, getOpt_special); } } static final Map> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map())); //static final Map> getOpt_cache = _registerWeakMap(synchroMap(new getOpt_Map)); static HashMap getOpt_special; // just a marker /*static void getOpt_special_init(Map map) { map.put(Class.class, getOpt_special); map.put(S.class, getOpt_special); }*/ static Map getOpt_getFieldMap(Object o) { Class c = _getClass(o); HashMap map = getOpt_cache.get(c); if (map == null) map = getOpt_makeCache(c); return map; } static Object getOpt_cached(Object o, String field) { try { if (o == null) return null; Map map = getOpt_getFieldMap(o); if (map == getOpt_special) { if (o instanceof Class) return getOpt((Class) o, field); /*if (o instanceof S) ret getOpt(getBot((S) o), field);*/ if (o instanceof Map) return ((Map) o).get(field); } Field f = map.get(field); if (f != null) return f.get(o); if (o instanceof DynamicObject) return syncMapGet2(((DynamicObject) o).fieldValues, field); return null; } catch (Exception __e) { throw rethrow(__e); } } // used internally - we are in synchronized block static HashMap getOpt_makeCache(Class c) { HashMap map; if (isSubtypeOf(c, Map.class)) map = getOpt_special; else { map = new HashMap(); if (!reflection_classesNotToScan().contains(c.getName())) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) { makeAccessible(f); String name = f.getName(); if (!map.containsKey(name)) map.put(name, f); } _c = _c.getSuperclass(); } while (_c != null); } } if (getOpt_cache != null) getOpt_cache.put(c, map); return map; } static Field getOpt_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static 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); } } // TODO: JDK 17!! ?? No! Yes? Yes!! static Object collectionMutex(List l) { return l; } static Object collectionMutex(Object o) { if (o instanceof List) return o; String c = className(o); if (eq(c, "java.util.TreeMap$KeySet")) c = className(o = getOpt(o, "m")); else if (eq(c, "java.util.HashMap$KeySet")) c = className(o = get_raw(o, "this$0")); if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap")) c = className(o = get_raw(o, "m")); return o; } static Object callFunction(Object f, Object... args) { return callF(f, args); } static Throwable _storeException_value; static void _storeException(Throwable e) { _storeException_value = e; } static Set syncIdentityHashSet() { return (Set) synchronizedSet(identityHashSet()); } static Map syncHashMap() { return synchroHashMap(); } static A[] makeArray(Class type, int n) { return (A[]) Array.newInstance(type, n); } static A setThreadLocal(ThreadLocal tl, A value) { if (tl == null) return null; A old = tl.get(); tl.set(value); return old; } static Object getOptDynOnly(DynamicObject o, String field) { if (o == null || o.fieldValues == null) return null; return o.fieldValues.get(field); } static ClassLoader classLoaderForObject(Object o) { if (o instanceof ClassLoader) return ((ClassLoader) o); if (o == null) return null; return _getClass(o).getClassLoader(); } // Note: This is actually broken. Inner classes must stay with a $ separator static String classNameToVM(String name) { return name.replace(".", "$"); } static Set> _entrySet(Map map) { return map == null ? Collections.EMPTY_SET : map.entrySet(); } static String unnullForIteration(String s) { return s == null ? "" : s; } static Collection unnullForIteration(Collection l) { return l == null ? immutableEmptyList() : l; } static List unnullForIteration(List l) { return l == null ? immutableEmptyList() : l; } static int[] unnullForIteration(int[] l) { return l == null ? emptyIntArray() : l; } static char[] unnullForIteration(char[] l) { return l == null ? emptyCharArray() : l; } static double[] unnullForIteration(double[] l) { return l == null ? emptyDoubleArray() : l; } static short[] unnullForIteration(short[] l) { return l == null ? emptyShortArray() : l; } static Map unnullForIteration(Map l) { return l == null ? immutableEmptyMap() : l; } static Iterable unnullForIteration(Iterable i) { return i == null ? immutableEmptyList() : i; } static A[] unnullForIteration(A[] a) { return a == null ? (A[]) emptyObjectArray() : a; } static BitSet unnullForIteration(BitSet b) { return b == null ? new BitSet() : b; } static Pt unnullForIteration(Pt p) { return p == null ? new Pt() : p; } //ifclass Symbol static Symbol unnullForIteration(Symbol s) { return s == null ? emptySymbol() : s; } //endif static Pair unnullForIteration(Pair p) { return p != null ? p : new Pair(null, null); } static long unnullForIteration(Long l) { return l == null ? 0L : l; } static 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 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 boolean startsWith(String a, String b) { return a != null && a.startsWith(unnull(b)); } static boolean startsWith(String a, char c) { return nemptyString(a) && a.charAt(0) == c; } static boolean startsWith(String a, String b, Matches m) { if (!startsWith(a, b)) return false; if (m != null) m.m = new String[] {substring(a, strL(b))}; return true; } static boolean startsWith(List a, List b) { if (a == null || listL(b) > listL(a)) return false; for (int i = 0; i < listL(b); i++) if (neq(a.get(i), b.get(i))) return false; return true; } static boolean domainIsUnder(String domain, String mainDomain) { return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain); } static String theAGIBlueDomain() { return "agi.blue"; } static String className(Object o) { return getClassName(o); } static boolean eqOneOf(Object o, Object... l) { for (Object x : l) if (eq(o, x)) return true; return false; } static Set synchronizedSet() { return synchroHashSet(); } static Set synchronizedSet(Set set) { return Collections.synchronizedSet(set); } static Set identityHashSet() { return Collections.newSetFromMap(new IdentityHashMap()); } static List immutableEmptyList() { return Collections.emptyList(); } 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 HashSet litset(A... items) { return lithashset(items); } static String unnull(String s) { return s == null ? "" : s; } static Collection unnull(Collection l) { return l == null ? emptyList() : l; } static List unnull(List l) { return l == null ? emptyList() : l; } static int[] unnull(int[] l) { return l == null ? emptyIntArray() : l; } static char[] unnull(char[] l) { return l == null ? emptyCharArray() : l; } static double[] unnull(double[] l) { return l == null ? emptyDoubleArray() : l; } static Map unnull(Map l) { return l == null ? emptyMap() : l; } static Iterable unnull(Iterable i) { return i == null ? emptyList() : i; } static A[] unnull(A[] a) { return a == null ? (A[]) emptyObjectArray() : a; } static BitSet unnull(BitSet b) { return b == null ? new BitSet() : b; } static Pt unnull(Pt p) { return p == null ? new Pt() : p; } //ifclass Symbol static Symbol unnull(Symbol s) { return s == null ? emptySymbol() : s; } //endif static Pair unnull(Pair p) { return p != null ? p : new Pair(null, null); } static int unnull(Integer i) { return i == null ? 0 : i; } static long unnull(Long l) { return l == null ? 0L : l; } static double unnull(Double l) { return l == null ? 0.0 : l; } static boolean nemptyString(String s) { return s != null && s.length() > 0; } static String substring(String s, int x) { return substring(s, x, strL(s)); } static String substring(String s, int x, int y) { if (s == null) return null; if (x < 0) x = 0; int n = s.length(); if (y < x) y = x; if (y > n) y = n; if (x >= y) return ""; return s.substring(x, y); } // convenience method for quickly dropping a prefix static String substring(String s, CharSequence l) { return substring(s, lCharSequence(l)); } static 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 Set synchroHashSet() { return synchronizedSet(new HashSet()); } 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 HashSet lithashset(A... items) { HashSet set = new HashSet(); for (A a : items) set.add(a); return set; } static Map emptyMap() { return new HashMap(); } 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); } // 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; while (_c != null) { for (Method m : _c.getDeclaredMethods()) if (!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. for (Class intf : allInterfacesImplementedBy(c)) for (Method m : intf.getDeclaredMethods()) if (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); } } } static abstract class VF1 implements IVF1 { public abstract void get(A a); } final static class Rect implements IFieldsToList{ static final String _fieldOrder = "x y w h"; int x; int y; int w; int h; Rect() {} Rect(int x, int y, int w, int h) { this.h = h; this.w = w; this.y = y; this.x = x;} public boolean equals(Object o) { if (!(o instanceof Rect)) return false; Rect __1 = (Rect) o; return x == __1.x && y == __1.y && w == __1.w && h == __1.h; } public int hashCode() { int h = 2543108; h = boostHashCombine(h, _hashCode(x)); h = boostHashCombine(h, _hashCode(y)); h = boostHashCombine(h, _hashCode(w)); h = boostHashCombine(h, _hashCode(h)); return h; } public Object[] _fieldsToList() { return new Object[] {x, y, w, h}; } Rect(Rectangle r) { x = r.x; y = r.y; w = r.width; h = r.height; } Rect(Pt p, int w, int h) { this.h = h; this.w = w; x = p.x; y = p.y; } Rect(Rect r) { x = r.x; y = r.y; w = r.w; h = r.h; } Rectangle getRectangle() { return new Rectangle(x, y, w, h); } public String toString() { return x + "," + y + " / " + w + "," + h; } int x1() { return x; } int y1() { return y; } int x2() { return x + w; } int y2() { return y + h; } boolean contains(Pt p) { return contains(p.x, p.y); } boolean contains(int _x, int _y) { return _x >= x && _y >= y && _x < x+w && _y < y+h; } boolean empty() { return w <= 0 || h <= 0; } int getWidth() { return w; } int getHeight() { return h; } } 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 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 ScanlineBitMatrix extends AbstractMatrix implements Matrix { ScanlineBitMatrix() {} int bx1 = Integer.MAX_VALUE, by1, bx2, by2; // bounding box of positive bits // format for each line: start x, end x (excl.), start x, end x, ... int[] scanlineData; // pointer into scanlineData for each line int[] scanlineStarts; ScanlineBitMatrix(Matrix m) { super(m.getWidth(), m.getHeight()); // find upper and lower bounding line while (by1 < h && bitMatrixRowEmpty(m, by1)) by1++; by2 = h; while (by2 > by1 && bitMatrixRowEmpty(m, by2-1)) by2--; int ptr = 0; scanlineStarts = new int[by2-by1]; IntBuffer scanlineData = new IntBuffer(); lineLoop: for (int y = by1; y < by2; y++) { scanlineStarts[y-by1] = l(scanlineData); for (int x = 0; x < w; ) { while (!m.get(x, y)) if (++x >= w) continue lineLoop; int x2 = x+1; while (x2 < w && m.get(x2, y)) ++x2; scanlineData.add(x); scanlineData.add(x2); if (x < bx1) bx1 = x; if (x2 > bx2) bx2 = x2; x = x2; } } this.scanlineData = scanlineData.toArray(); } public Boolean get(int x, int y) { if (x < bx1 || y < by1 || x >= bx2 || y >= by2) return false; int ptr = scanlineStarts[y-by1]; int end = y == by2-1 ? scanlineData.length : scanlineStarts[y-by1+1]; // linear search for now while (ptr < end) { int x1 = scanlineData[ptr++]; if (x < x1) return false; int x2 = scanlineData[ptr++]; if (x < x2) return true; } return false; } public void set(int x, int y, Boolean a) { unimplemented(); } Rect boundingBoxOfTrueBits() { return bx1 >= bx2 ? null : rect(bx1, by1, bx2, by2); } int nRuns() { return scanlineData.length/2; } IterableIterator runs() { return new IterableIterator() { int y = 0, ptr = 0; public boolean hasNext() { return ptr < l(scanlineData); } public Rect next() { while (y < scanlineStarts.length-1 && ptr >= scanlineStarts[y+1]) ++y; int x1 = scanlineData[ptr++]; int x2 = scanlineData[ptr++]; return rect(x1, by1+y, x2-x1, 1); } }; } } static class MultiMap { 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); }} 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); } }} Set keySet() { synchronized(data) { return data.keySet(); }} Set keys() { 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 int keyCount(){ return keysSize(); } int keysSize() { synchronized(data) { return l(data); }} // full size - note: expensive operation final int fullSize(){ return size(); } 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); } } static interface IF0 { A get(); } static interface Hasher { int hashCode(A a); boolean equals(A a, A b); } static interface IF2 { C get(A a, B b); } static interface IF1 { B get(A a); } /* * @(#)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 PersistableThrowable extends DynamicObject { String className; String msg; String stacktrace; PersistableThrowable() {} PersistableThrowable(Throwable e) { if (e == null) className = "Crazy Null Error"; else { className = getClassName(e).replace('/', '.'); msg = e.getMessage(); stacktrace = getStackTrace_noRecord(e); } } public String toString() { return nempty(msg) ? className + ": " + msg : className; } } static interface IVF1 { void get(A a); } static class Fail extends RuntimeException implements IFieldsToList{ Object[] objects; Fail() {} Fail(Object... objects) { this.objects = objects;}public Object[] _fieldsToList() { return new Object[] {objects}; } Fail(Throwable cause, Object... objects) { super(cause); this.objects = objects; } public String toString() { return joinNemptiesWithColon("Fail", commaCombine(getCause(), objects)); } } static class Pair implements Comparable> { A a; B b; Pair() {} Pair(A a, B b) { this.b = b; this.a = a;} public int hashCode() { return hashCodeFor(a) + 2*hashCodeFor(b); } public boolean equals(Object o) { if (o == this) return true; if (!(o instanceof Pair)) return false; Pair t = (Pair) o; return eq(a, t.a) && eq(b, t.b); } public String toString() { return "<" + a + ", " + b + ">"; } public int compareTo(Pair p) { if (p == null) return 1; int i = ((Comparable) a).compareTo(p.a); if (i != 0) return i; return ((Comparable) b).compareTo(p.b); } } abstract static class AbstractMatrix implements Matrix { AbstractMatrix() {} int w, h; AbstractMatrix(int w, int h) { this.h = h; this.w = w;} public int getWidth() { return w; } public int getHeight() { return h; } public String toString() { return flexLines( roundBracket(w+"x"+h), countIteratorToList(y -> str(getLine(y)), getHeight())); } public void set(int x, int y, A a) { unimplemented(); } } interface Matrix extends WidthAndHeight { public A get(int x, int y); public void set(int x, int y, A a); default Pt size() { return pt(getWidth(), getHeight()); } default int nCells() { return getWidth()*getHeight(); } default A get(Pt p) { return get(p.x, p.y); } default void put(Pt p, A a){ set(p, a); } default void set(Pt p, A a) { set(p.x, p.y, a); } default List getLine(int y) { return new RandomAccessAbstractList() { public int size() { return getWidth(); } public A get(int x) { return Matrix.this.get(x, y); } public A set(int x, A val) { A old = Matrix.this.get(x, y); Matrix.this.set(x, y, val); return old; } }; } } static interface IFieldsToList { Object[] _fieldsToList(); } static class Pt implements Comparable { 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; } } static class FastRegions_BWImage implements Runnable , IFieldsToList{ BWImage image; FastRegions_BWImage() {} FastRegions_BWImage(BWImage image) { this.image = image;} public String toString() { return shortClassName_dropNumberPrefix(this) + "(" + image + ")"; }public Object[] _fieldsToList() { return new Object[] {image}; } int w, h, runner; final public int getSize(){ return size(); } public int size() { return size; } int size; IntBuffer stack = new IntBuffer(); // locations as y*w+x int[] regionMatrix; // for each pixel: region index (starting at 1) IntBuffer regionPixels = new IntBuffer(); // collect all pixels for regions // initialize these to use them IntBuffer regionFirstPixel; // for each region: index of first pixel found in regionPixels IntBuffer regionSize; // for each region: number of pixels IntBuffer regionBounds; // for each region: bounds (x1, y1, x2, y2) int regionCounter; boolean verbose = false; double regionStep = .1; // for rendering in regionsImage int x(int pos) { return pos % w; } int y(int pos) { return pos / w; } int pos(int x, int y) { return y*w+x; } Pt pt(int pos) { return new Pt(x(pos), y(pos)); } boolean validPos(int x, int y) { return x >= 0 && y >= 0 && x < w && y < h; } int getColor(int pos) { return image.getInt(x(pos), y(pos)); } FastRegions_BWImage(BufferedImage img) { this(toBWImage(img)); } public void run() { try { w = image.getWidth(); h = image.getHeight(); size = w*h; regionMatrix = new int[size]; { if (regionFirstPixel != null) regionFirstPixel.add(0); } // unused { if (regionPixels != null) regionPixels.setSize(size); } while (runner < size) { if (regionMatrix[runner] == 0) { // make a new region, get color int region = ++regionCounter; { if (regionFirstPixel != null) regionFirstPixel.add(regionPixels != null ? l(regionPixels) : runner); } stack.add(runner); int color = getColor(runner); int rsize = 0, x1 = w, y1 = h, x2 = 0, y2 = 0; // flood-fill region while (nempty(stack)) { int pos = stack.popLast(); if (regionMatrix[pos] != 0) continue; // touching myself (or someone else) if (getColor(pos) != color) continue; // wrong color // new pixel found, mark as ours regionMatrix[pos] = region; ++rsize; { if (regionPixels != null) regionPixels.add(pos); } int x = x(pos), y = y(pos); if (x < x1) x1 = x; if (x > x2) x2 = x; if (y < y1) y1 = y; if (y > y2) y2 = y; // explore neighborhood if (x > 0) stack.add(pos-1); if (x < w-1) stack.add(pos+1); if (y > 0) stack.add(pos-w); if (y < h-1) stack.add(pos+w); } { if (regionSize != null) regionSize.add(rsize); } { if (regionBounds != null) regionBounds.addAll(x1, y1, x2, y2); } } ++runner; } } catch (Exception __e) { throw rethrow(__e); } } IBWImage regionsImage() { return iBWImageFromFunction((x, y) -> { var region = regionMatrix[pos(x, y)]; return ((region-1)*regionStep) % (1.0+regionStep-0.0001); }, w, h); } final int nRegions(){ return regionCount(); } int regionCount() { return regionCounter; } abstract class RegionIterator { int pos; abstract boolean next(); int pos() { return pos; } int x() { return FastRegions_BWImage.this.x(pos); } int y() { return FastRegions_BWImage.this.y(pos); } } // returns points in no particular order class FloodRegionIterator extends RegionIterator { int region; IntBuffer stack = new IntBuffer(); // locations as y*w+x BitSet seen = new BitSet(size); FloodRegionIterator(int region) { this.region = region; int pos = regionFirstPixel.get(region); printVars("region", region, "pos", pos); seen.set(pos); stack.add(pos); } // flood-fill region boolean next() { if (empty(stack)) return false; pos = stack.popLast(); // explore neighborhood int x = x(), y = y(); if (x > 0) tryPosition(pos-1); if (x < w-1) tryPosition(pos+1); if (y > 0) tryPosition(pos-w); if (y < h-1) tryPosition(pos+w); return true; } private void tryPosition(int p) { if (!seen.get(p) && regionMatrix[p] == region) { seen.set(p); stack.add(p); } } } class CachedRegionIterator extends RegionIterator { int i, to; CachedRegionIterator(int region) { i = regionFirstPixel.get(region); to = region+1 < l(regionFirstPixel) ? regionFirstPixel.get(region+1) : l(regionPixels); } boolean next() { if (i >= to) return false; pos = regionPixels.get(i++); return true; } } int regionSize(int iRegion) { return regionSize.get(iRegion); } final Pt firstPixel(int iRegion){ return samplePixel(iRegion); } Pt samplePixel(int iRegion) { int i = regionFirstPixel.get(iRegion); return pt(regionPixels != null ? regionPixels.get(i) : i); } boolean inRegion(int iRegion, int x, int y) { return validPos(x, y) && regionMatrix[pos(x, y)] == iRegion; } Rect regionBounds(int iRegion) { return rectFromPoints( regionBounds.get((iRegion-1)*4), regionBounds.get((iRegion-1)*4+1), regionBounds.get((iRegion-1)*4+2), regionBounds.get((iRegion-1)*4+3)); } int regionAt(int x, int y) { return !validPos(x, y) ? 0 : regionMatrix[pos(x, y)]; } RegionIterator regionIterator(int iRegion) { return regionPixels != null ? new FloodRegionIterator(iRegion) : new CachedRegionIterator(iRegion); } // select extra features before regions are made void collectFirstPixels() { regionFirstPixel = new IntBuffer(); } void collectBounds() { regionBounds = new IntBuffer(); } Matrix regionBitMatrix(int iRegion) { return new AbstractMatrix(w, h) { public Boolean get(int x, int y) { return inRegion(iRegion, x, y); } }; } } static class IntBuffer implements Iterable { int[] data; int size; IntBuffer() {} IntBuffer(int size) { if (size != 0) data = new int[size]; } IntBuffer(Iterable l) { this(l(l)); addAll(l); } void add(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("IntBuffer too large: " + size); } data[size++] = i; } void setSize(int n) { data = resizeIntArray(data, n); size = min(l(data), size); } void addAll(Iterable l) { if (l != null) for (int i : l) add(i); } void addAll(int... l) { if (l != null) for (int i : l) add(i); } // Note: may return the internal array final int[] toIntArray(){ return toArray(); } int[] toArray() { return size == 0 ? null : resizeIntArray(data, size); } List toList() { return intArrayToList(data, 0, size); } List asVirtualList() { return new RandomAccessAbstractList() { public int size() { return size; } public Integer get(int i) { return IntBuffer.this.get(i); } public Integer set(int i, Integer val) { Integer a = get(i); data[i] = val; return a; } }; } void reset() { size = 0; } void clear() { reset(); } int size() { return size; } boolean isEmpty() { return size == 0; } int get(int idx) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); return data[idx]; } void set(int idx, int value) { if (idx >= size) throw fail("Index out of range: " + idx + "/" + size); data[idx] = value; } int popLast() { if (size == 0) throw fail("empty buffer"); return data[--size]; } int last() { return data[size-1]; } int 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 Integer next() { //if (!hasNext()) fail("Index out of bounds: " + i); return data[i++]; } }; } public IntegerIterator integerIterator() { return new IntegerIterator() { int i = 0; public boolean hasNext() { return i < size; } public int next() { //if (!hasNext()) fail("Index out of bounds: " + i); return data[i++]; } public String toString() { return "Iterator@" + i + " over " + IntBuffer.this; } }; } void trimToSize() { data = resizeIntArray(data, size); } } static interface IBWImage extends MakesBufferedImage { float getFloatPixel(int x, int y); // usually between 0 and 1 default float getFloatPixel(Pt p) { return getFloatPixel(p.x, p.y); } public default BufferedImage getBufferedImage() { return grayImageFromIBWImage(this); } } abstract static class IntegerIterator { abstract boolean hasNext(); abstract int next(); } abstract static class RandomAccessAbstractList extends AbstractList implements RandomAccess { } static interface WidthAndHeight { int getWidth(); int getHeight(); public default Rect bounds() { return rect(0, 0, getWidth(), getHeight()); } } static final class BWImage extends Meta implements MakesBufferedImage, IBWImage { int width, height; byte[] pixels; // color returned when getPixel is called with a position outside the actual image float borderColor = 0.0f; // for unstructure() BWImage() {} // BLACK! BWImage(int width, int height) { this.height = height; this.width = width; pixels = new byte[width*height]; } BWImage(int width, int height, float brightness) { this.height = height; this.width = width; pixels = new byte[width*height]; fillArrayUnlessZero(pixels, _toByte(brightness)); } BWImage(int width, int height, float[] pixels) { this.pixels = new byte[pixels.length]; this.height = height; this.width = width; for (int i = 0; i < pixels.length; i++) this.pixels[i] = _toByte(pixels[i]); } public BWImage(int width, int height, byte[] pixels) { this.height = height; this.width = width; this.pixels = pixels; } public BWImage(BWImage image) { width = image.getWidth(); height = image.getHeight(); byte[] pixels = this.pixels = new byte[width*height]; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) pixels[y*width+x] = image.getByte(x, y); } // TODO: optimize! BWImage(RGBImage image) { width = image.getWidth(); height = image.getHeight(); byte[] pixels = this.pixels = new byte[height*width]; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) { RGB rgb = image.getRGB(x, y); pixels[y*width+x] = BWImage._toByte(rgb.getBrightness()); } } /*public BWImage(BufferedImage image) { this(new RGBImage(image)); }*/ BWImage(BufferedImage image) { try { width = image.getWidth(); height = image.getHeight(); int[] pixels = new int[width*height]; byte[] bytePixels = this.pixels = new byte[width*height]; PixelGrabber pixelGrabber = new PixelGrabber(image, 0, 0, width, height, pixels, 0, width); if (!pixelGrabber.grabPixels()) throw fail("Could not grab pixels"); int n = width*height; for (int i = 0; i < n; i++) { //bytePixels[i] = pixelToByte(pixels[i]); int packed = pixels[i]; /*float r = ((packed >> 16) & 0xFF)/255f; float g = ((packed >> 8) & 0xFF)/255f; float b = (packed & 0xFF)/255f; bytePixels[i] = (byte) iround((r+g+b)/3.0f*255f);*/ int r = ((packed >> 16) & 0xFF); int g = ((packed >> 8) & 0xFF); int b = (packed & 0xFF); bytePixels[i] = (byte) ((r+g+b+1)/3); } } catch (Exception __e) { throw rethrow(__e); } } // TODO: does it exactly match the other method? (asRGB+getBrightness+_toByte) static byte pixelToByte(int packed) { /*int r = (packed >> 16) & 0xFF; int g = (packed >> 8) & 0xFF; int b = packed & 0xFF; ret (byte) ((r+g+b)/3.0f);*/ float r = ((packed >> 16) & 0xFF)/255f; float g = ((packed >> 8) & 0xFF)/255f; float b = (packed & 0xFF)/255f; return (byte) ((r+g+b)/3.0f*255f); } public byte getByte(int x, int y) { return inRange(x, y) ? getByte_noRangeCheck(x, y) : _toByte(borderColor); } int getInt(int x, int y) { return ubyteToInt(getByte(x, y)); } public double averageBrightness() { double sum = 0; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) sum += getPixel(x, y); return (sum/(double) (height*width)); } public float minimumBrightness() { float min = 1; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) min = Math.min(min, getPixel(x, y)); return min; } public float maximumBrightness() { float max = 0; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) max = Math.max(max, getPixel(x, y)); return max; } float getPixel(int x, int y) { return inRange(x, y) ? _toFloat(getByte(x,y )) : borderColor; } public float getFloatPixel(int x, int y) { return getPixel(x, y); } float getPixel(Pt p) { return getPixel(p.x, p.y); } static byte _toByte(float pixel) { return (byte) (pixel*255f); } static float _toFloat(byte pixel) { return (((int) pixel) & 255)/255f; } private boolean inRange(int x, int y) { return x >= 0 && x < width && y >= 0 && y < height; } public int getWidth() { return width; } int w() { return width; } public int getHeight() { return height; } int h() { return height; } public RGBImage toRGB() { int[] rgbs = new int[width*height]; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) { int b = getByte(x, y) & 0xFF; rgbs[y*width+x] = 0xFF000000 | b*0x010101; } return new RGBImage(width, height, rgbs); } public RGBImage toRGB_slow() { RGB[] rgbs = new RGB[width*height]; for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) { float p = getPixel(x, y); rgbs[y*width+x] = new RGB(p, p, p); } return new RGBImage(width, height, rgbs); } public BWImage clip(int x, int y, int w, int h) { return clip(new Rectangle(x, y, w, h)); } private Rectangle fixClipRect(Rectangle r) { return r.intersection(new Rectangle(0, 0, width, height)); } BWImage clip(Rect r) { return clip(r.getRectangle()); } /** this should be multithread-safe */ public BWImage clip(Rectangle r) { r = fixClipRect(r); byte[] newPixels = new byte[r.height*r.width]; for (int y = 0; y < r.height; y++) for (int x = 0; x < r.width; x++) newPixels[y*r.width+x] = getByte(r.x+x, r.y+y); return new BWImage(r.width, r.height, newPixels); } public void setPixel(int x, int y, float brightness) { setByte(x, y, _toByte(fixPixel(brightness))); } // i = 0 to 255 public void setInt(int x, int y, int i) { setByte(x, y, (byte) limitToUByte(i)); } public void setByte(int x, int y, byte b) { if (x >= 0 && x < width && y >= 0 && y < height) pixels[y*width+x] = b; } byte getByte_noRangeCheck(int x, int y) { return pixels[y*width+x]; } public void setByte(int x, int y, int brightness) { setByte(x, y, (byte) brightness); } private float fixPixel(float pixel) { return Math.max(0, Math.min(1, pixel)); } public float getBorderColor() { return borderColor; } public void setBorderColor(float borderColor) { this.borderColor = borderColor; } public boolean anyPixelBrighterThan(double threshold) { for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) if (getPixel(x, y) > threshold) return true; return false; } public BufferedImage getBufferedImage() { //ret toRGB().getBufferedImage(); // TYPE_BYTE_GRAY is buggy - see #1015235 BufferedImage bufferedImage = new BufferedImage(width, height, /*BufferedImage.TYPE_BYTE_GRAY*/BufferedImage.TYPE_INT_RGB); for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) { int b = ((int) getByte(x, y) & 0xFF); bufferedImage.setRGB(x, y, b*0x010101); } return bufferedImage; } byte[] getBytes() { return pixels; } } // Meta - a "minimal" approach to adding meta-level to Java objects static class Meta implements 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) } static class RGB { // usually in range [0, 1] public float r, g, b; // can't be final cause persistence RGB() {} public RGB(float r, float g, float b) { this.r = r; this.g = g; this.b = b; } public RGB(double r, double g, double b) { this.r = (float) r; this.g = (float) g; this.b = (float) b; } public RGB(double[] rgb) { this(rgb[0], rgb[1], rgb[2]); } public RGB(int rgb) { this(new Color(rgb)); } public RGB(double brightness) { this.r = this.g = this.b = max(0f, min(1f, (float) brightness)); } public RGB(Color color) { this.r = color.getRed()/255f; this.g = color.getGreen()/255f; this.b = color.getBlue()/255f; } // TODO: 3-char version public RGB(String hex) { int i = l(hex)-6; r = Integer.parseInt(hex.substring(i, i+2), 16)/255f; g = Integer.parseInt(hex.substring(i+2, i+4), 16)/255f; b = Integer.parseInt(hex.substring(i+4, i+6), 16)/255f; } public float getComponent(int i) { return i == 0 ? r : i == 1 ? g : b; } public int getInt(int i) { return i == 0 ? redInt() : i == 1 ? greenInt() : blueInt(); } public Color getColor() { return new Color(r, g, b); } public static RGB newSafe(float r, float g, float b) { return new RGB(Math.max(0, Math.min(1, r)), Math.max(0, Math.min(1, g)), Math.max(0, Math.min(1, b))); } int asInt() { return getColor().getRGB() & 0xFFFFFF; } int getInt() { return getColor().getRGB() & 0xFFFFFF; } int asIntWithAlpha() { return rgbInt(redInt(), greenInt(), blueInt()) | 0xFF000000; } public float getBrightness() { return (r+g+b)/3.0f; } public String getHexString() { return Integer.toHexString(asInt() | 0xFF000000).substring(2).toUpperCase(); } @Override public boolean equals(Object o) { if (this == o) return true; if (!(o instanceof RGB)) return false; RGB rgb = (RGB) o; if (Float.compare(rgb.b, b) != 0) return false; if (Float.compare(rgb.g, g) != 0) return false; if (Float.compare(rgb.r, r) != 0) return false; return true; } @Override public int hashCode() { int result = (r != +0.0f ? Float.floatToIntBits(r) : 0); result = 31 * result + (g != +0.0f ? Float.floatToIntBits(g) : 0); result = 31 * result + (b != +0.0f ? Float.floatToIntBits(b) : 0); return result; } public boolean isBlack() { return r == 0f && g == 0f && b == 0f; } public boolean isWhite() { return r == 1f && g == 1f && b == 1f; } public String toString() { return getHexString(); } int redInt() { return iround(r*255); } int greenInt() { return iround(g*255); } int blueInt() { return iround(b*255); } } static class RGBImage implements MakesBufferedImage { transient BufferedImage bufferedImage; File file; int width, height; int[] pixels; RGBImage() {} RGBImage(BufferedImage image) { this(image, null); } RGBImage(BufferedImage image, File file) { this.file = file; bufferedImage = image; width = image.getWidth(); height = image.getHeight(); pixels = new int[width*height]; PixelGrabber pixelGrabber = new PixelGrabber(image, 0, 0, width, height, pixels, 0, width); try { if (!pixelGrabber.grabPixels()) throw new RuntimeException("Could not grab pixels"); cleanPixels(); // set upper byte to 0 } catch (InterruptedException e) { throw new RuntimeException(e); } } /** We assume it's a file name to load from */ RGBImage(String file) throws IOException { this(new File(file)); } RGBImage(Dimension size, Color color) { this(size.width, size.height, color); } RGBImage(Dimension size, RGB color) { this(size.width, size.height, color); } private void cleanPixels() { for (int i = 0; i < pixels.length; i++) pixels[i] &= 0xFFFFFF; } RGBImage(int width, int height, int[] pixels) { this.width = width; this.height = height; this.pixels = pixels; } RGBImage(int w, int h, RGB[] pixels) { this.width = w; this.height = h; this.pixels = asInts(pixels); } public static int[] asInts(RGB[] pixels) { int[] ints = new int[pixels.length]; for (int i = 0; i < pixels.length; i++) ints[i] = pixels[i] == null ? 0 : pixels[i].getColor().getRGB(); return ints; } public RGBImage(int w, int h) { this(w, h, Color.black); } RGBImage(int w, int h, RGB rgb) { this.width = w; this.height = h; this.pixels = new int[w*h]; int col = rgb.asInt(); if (col != 0) for (int i = 0; i < pixels.length; i++) pixels[i] = col; } RGBImage(RGBImage image) { this(image.width, image.height, copyPixels(image.pixels)); } RGBImage(int width, int height, Color color) { this(width, height, new RGB(color)); } RGBImage(File file) throws IOException { this(javax.imageio.ImageIO.read(file)); } RGBImage(MakesBufferedImage img) { this(toBufferedImage(img)); } private static int[] copyPixels(int[] pixels) { int[] copy = new int[pixels.length]; System.arraycopy(pixels, 0, copy, 0, pixels.length); return copy; } public int getIntPixel(int x, int y) { if (inRange(x, y)) return pixels[y * width + x]; else return 0xFFFFFF; } public static RGB asRGB(int packed) { int r = (packed >> 16) & 0xFF; int g = (packed >> 8) & 0xFF; int b = packed & 0xFF; return new RGB(r / 255f, g / 255f, b / 255f); } public RGB getRGB(int x, int y) { if (inRange(x, y)) return asRGB(pixels[y * width + x]); else return new RGB(0xFFFFFF); } /** alias of getRGB - I kept typing getPixel instead of getRGB all the time, so I finally created it */ RGB getPixel(int x, int y) { return getRGB(x, y); } RGB getPixel(Pt p) { return getPixel(p.x, p.y); } public int getWidth() { return width; } public int getHeight() { return height; } int w() { return width; } int h() { return height; } /** Attention: cached, i.e. does not change when image itself changes */ /** @NotNull */ public BufferedImage getBufferedImage() { if (bufferedImage == null) { bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); //bufferedImage.setData(Raster.createRaster(new SampleModel())); for (int y = 0; y < height; y++) for (int x = 0; x < width; x++) bufferedImage.setRGB(x, y, pixels[y*width+x]); } return bufferedImage; } RGBImage clip(Rect r) { return r == null ? null : clip(r.getRectangle()); } RGBImage clip(Rectangle r) { r = fixClipRect(r); if (r.x == 0 && r.y == 0 && r.width == width && r.height == height) return this; int[] newPixels; try { newPixels = new int[r.width*r.height]; } catch (RuntimeException e) { System.out.println(r); throw e; } for (int y = 0; y < r.height; y++) { System.arraycopy(pixels, (y+r.y)*width+r.x, newPixels, y*r.width, r.width); } return new RGBImage(r.width, r.height, newPixels); } private Rectangle fixClipRect(Rectangle r) { r = r.intersection(new Rectangle(0, 0, width, height)); if (r.isEmpty()) r = new Rectangle(r.x, r.y, 0, 0); return r; } public File getFile() { return file; } /** can now also do GIF (not just JPEG) */ public static RGBImage load(String fileName) { return load(new File(fileName)); } /** can now also do GIF (not just JPEG) */ public static RGBImage load(File file) { try { BufferedImage bufferedImage = javax.imageio.ImageIO.read(file); return new RGBImage(bufferedImage); } catch (IOException e) { throw new RuntimeException(e); } } public int getInt(int x, int y) { return pixels[y * width + x]; } public void save(File file) throws IOException { String name = file.getName().toLowerCase(); String type; if (name.endsWith(".png")) type = "png"; else if (name.endsWith(".jpg") || name.endsWith(".jpeg")) type = "jpeg"; else throw new IOException("Unknown image extension: " + name); javax.imageio.ImageIO.write(getBufferedImage(), type, file); } public static RGBImage dummyImage() { return new RGBImage(1, 1, new int[] {0xFFFFFF}); } public int[] getPixels() { return pixels; } void setPixel(int x, int y, int r, int g, int b) { if (x >= 0 && y >= 0 && x < width && y < height) pixels[y*width+x] = (limitToUByte(r) << 16) | (limitToUByte(g) << 8) | limitToUByte(b); } public void setPixel(int x, int y, RGB rgb) { if (x >= 0 && y >= 0 && x < width && y < height) pixels[y*width+x] = rgb.asInt(); } final public void set(int x, int y, Color color){ setPixel(x, y, color); } public void setPixel(int x, int y, Color color) { setPixel(x, y, new RGB(color)); } void setInt(int x, int y, int rgb) { setPixel(x, y, rgb); } public void setPixel(int x, int y, int rgb) { if (x >= 0 && y >= 0 && x < width && y < height) pixels[y*width+x] = rgb; } void setPixel(Pt p, RGB rgb) { setPixel(p.x, p.y, rgb); } void setPixel(Pt p, Color color) { setPixel(p.x, p.y, color); } public RGBImage copy() { return new RGBImage(this); } public boolean inRange(int x, int y) { return x >= 0 && y >= 0 && x < width && y < height; } public Dimension getSize() { return new Dimension(width, height); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; RGBImage rgbImage = (RGBImage) o; if (height != rgbImage.height) return false; if (width != rgbImage.width) return false; if (!Arrays.equals(pixels, rgbImage.pixels)) return false; return true; } @Override public int hashCode() { int result = width; result = 31 * result + height; result = 31 * result + Arrays.hashCode(pixels); return result; } public String getHex(int x, int y) { return getPixel(x, y).getHexString(); } public RGBImage clip(int x, int y, int width, int height) { return clip(new Rectangle(x, y, width, height)); } public RGBImage clipLine(int y) { return clip(0, y, width, 1); } public int numPixels() { return width*height; } void uncacheBufferedImage() { bufferedImage = null; } } static interface MakesBufferedImage extends WidthAndHeight { BufferedImage getBufferedImage(); public default void drawAt(Graphics2D g, int x, int y) { g.drawImage(getBufferedImage(), x, y, null); } } 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); } } static interface IAutoCloseableF0 extends IF0, AutoCloseable {} static boolean isAbstract(Class c) { return (c.getModifiers() & Modifier.ABSTRACT) != 0; } static boolean isAbstract(Method m) { return (m.getModifiers() & Modifier.ABSTRACT) != 0; } static boolean reflection_isForbiddenMethod(Method m) { return m.getDeclaringClass() == Object.class && eqOneOf(m.getName(), "finalize", "clone", "registerNatives"); } static Set allInterfacesImplementedBy(Class c) { if (c == null) return null; HashSet set = new HashSet(); allInterfacesImplementedBy_find(c, set); return set; } static void allInterfacesImplementedBy_find(Class c, Set set) { if (c.isInterface() && !set.add(c)) return; do { for (Class intf : c.getInterfaces()) allInterfacesImplementedBy_find(intf, set); } while ((c = c.getSuperclass()) != null); } static Method 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 int boostHashCombine(int a, int b) { return a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2)); } static int _hashCode(Object a) { return a == null ? 0 : a.hashCode(); } 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 String unquote(String s) { if (s == null) return null; if (startsWith(s, '[')) { int i = 1; while (i < s.length() && s.charAt(i) == '=') ++i; if (i < s.length() && s.charAt(i) == '[') { String m = s.substring(1, i); if (s.endsWith("]" + m + "]")) return s.substring(i+1, s.length()-i-1); } } if (s.length() > 1) { char c = s.charAt(0); if (c == '\"' || c == '\'') { int l = endsWith(s, c) ? s.length()-1 : s.length(); StringBuilder sb = new StringBuilder(l-1); for (int i = 1; i < l; i++) { char ch = s.charAt(i); if (ch == '\\') { char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1); // Octal escape? if (nextChar >= '0' && nextChar <= '7') { String code = "" + nextChar; i++; if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') { code += s.charAt(i + 1); i++; if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') { code += s.charAt(i + 1); i++; } } sb.append((char) Integer.parseInt(code, 8)); continue; } switch (nextChar) { case '\"': ch = '\"'; break; case '\\': ch = '\\'; break; case 'b': ch = '\b'; break; case 'f': ch = '\f'; break; case 'n': ch = '\n'; break; case 'r': ch = '\r'; break; case 't': ch = '\t'; break; case '\'': ch = '\''; break; // Hex Unicode: u???? case 'u': if (i >= l - 5) { ch = 'u'; break; } int code = Integer.parseInt( "" + s.charAt(i + 2) + s.charAt(i + 3) + s.charAt(i + 4) + s.charAt(i + 5), 16); sb.append(Character.toChars(code)); i += 5; continue; default: ch = nextChar; // added by Stefan } i++; } sb.append(ch); } return sb.toString(); } } return s; // not quoted - return original } static List quoteAll(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(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 Iterator iterator(Iterable c) { return c == null ? emptyIterator() : c.iterator(); } static UnsupportedOperationException unsupportedOperation() { throw new UnsupportedOperationException(); } static boolean bitMatrixRowEmpty(Matrix m, int y) { int w = m.getWidth(); for (int x = 0; x < w; x++) if (m.get(x, y)) return false; return true; } 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 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 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 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(MultiMap mm) { return mm != null && !mm.isEmpty(); } static boolean nempty(Object o) { return !empty(o); } static boolean nempty(IntBuffer b) { return b != null && !b.isEmpty(); } static boolean nempty(Rect r) { return r != null && r.w != 0 && r.h != 0; } static void remove(List l, int i) { if (l != null && i >= 0 && i < l(l)) l.remove(i); } static void remove(Collection l, A a) { if (l != null) l.remove(a); } static B remove(Map map, Object a) { return map == null ? null : map.remove(a); } static void remove(BitSet bs, int i) { bs.clear(i); } static A getAndClear(IVar v) { A a = v.get(); v.set(null); return a; } static Set 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 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(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 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 joinNemptiesWithColon(String... strings) { return joinNempties(": ", strings); } static String joinNemptiesWithColon(Collection strings) { return joinNempties(": ", strings); } static String commaCombine(Object... l) { return joinNemptiesWithComma(flattenCollectionsAndArrays(ll(l))); } static int hashCodeFor(Object a) { return a == null ? 0 : a.hashCode(); } static String flexLines(Object... l) { return lines(flattenIterablesAndArrays(ll(l))); } static String roundBracket(String s) { return "(" + s + ")"; } static String roundBracket(Object s) { return roundBracket(str(s)); } static List countIteratorToList(int b) { return countIteratorToList(0, b); } static List countIteratorToList(int a, int b) { return asList(countIterator(a, b)); } static List countIteratorToList(int b, IF1 f) { return countIteratorToList(0, b, f); } static List countIteratorToList(int a, int b, IF1 f) { return asList(countIterator(a, b, f)); } static List countIteratorToList(int a, int b, int step) { return asList(countIterator(a, b, step)); } static List countIteratorToList(double a, double b, double step, IF1 f) { return asList(countIterator(a, b, step, f)); } static List countIteratorToList(double a, double b, double step) { return asList(countIterator(a, b, step)); } static List countIteratorToList(IF1 f, double a, double b, double step) { return asList(countIterator(f, a, b, step)); } static List countIteratorToList(IF1 f, int b) { return countIteratorToList(f, 0, b); } static List countIteratorToList(IF1 f, int a, int b) { return asList(countIterator(f, a, b)); } // lineNr starts at 1 static String getLine(String s, int lineNr) { return safeGet(toLines(s), lineNr-1); } static int getHeight(Component c) { return c == null ? 0 : (int) swingCall(c, "getHeight"); } static Pt pt(int x, int y) { return new Pt(x, y); } static Pt pt(int x) { return new Pt(x, x); } static int getWidth(Component c) { return c == null ? 0 : (int) swingCall(c, "getWidth"); } 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 shortClassName_dropNumberPrefix(Object o) { return dropNumberPrefix(shortClassName(o)); } static BWImage toBWImage(RGBImage img) { return toBW(img); } static BWImage toBWImage(BufferedImage img) { return img == null ? null : new BWImage(img); } static BWImage toBWImage(MakesBufferedImage img) { if (img == null) return null; if (img instanceof BWImage) return ((BWImage) img); return new BWImage(toBufferedImage(img)); } static IBWImage iBWImageFromFunction(IF2_IntInt_Double f, int w, int h) { return new IBWImage() { public int getWidth() { return w; } public int getHeight() { return h; } public float getFloatPixel(int x, int y) { return (float) f.get(x, y); } }; } // Use like this: printVars(+x, +y); // Or: printVars("bla", +x); // Or: printVars bla(, +x); static void printVars(Object... params) { printVars_str(params); } static Rect rectFromPoints(int x1, int y1, int x2, int y2) { return pointsRect(x1, y1, x2, y2); } static Rect rectFromPoints(Pt a, Pt b) { return pointsRect(a.x, a.y, b.x, b.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 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 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 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 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 Object[] toArray(Collection c) { return toObjectArray(c); } static A[] toArray(Class type, Iterable c) { return toArray(c, type); } static A[] toArray(Iterable c, Class type) { A[] a = arrayOfType(l(c), type); if (a.length == 0) return a; asList(c).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 intArrayToList(int[] a) { if (a == null) return null; return intArrayToList(a, 0, a.length); } // no range checking on from/to in the interest of S P E E E E E EEED static ArrayList intArrayToList(int[] a, int from, int to) { if (a == null) return null; ArrayList < Integer > 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 String squareBracket(String s) { return "[" + s + "]"; } static IntegerIterator integerIterator(int[] l) { return l == null ? null : new IntegerIterator() { int i = 0; public boolean hasNext() { return i < l.length; } public int next() { return l[i++]; } }; } static BufferedImage grayImageFromIBWImage(IBWImage img) { int w = img.getWidth(), h = img.getHeight(); byte[] pixels = new byte[w*h]; int i = 0; for (int y = 0; y < h; y++) for (int x = 0; x < w; x++) { int pixel = iround(img.getFloatPixel(x, y)*255); // tODO: is it round or floor? pixels[i++] = clampToUByte(pixel); } return newGrayBufferedImage(w, h, pixels); } static void fillArrayUnlessZero(byte[] a, byte value) { if (value != 0) Arrays.fill(a, value); } static void fillArrayUnlessZero(int[] a, int value) { if (value != 0) Arrays.fill(a, value); } static void fillArrayUnlessZero(float[] a, float value) { if (value != 0) Arrays.fill(a, value); } static boolean inRange(int x, int n) { return x >= 0 && x < n; } static boolean inRange(int x, int a, int b) { return x >= a && x < b; } static int ubyteToInt(byte b) { return b & 0x0FF; } static int ubyteToInt(char c) { return c & 0x0FF; } static int getPixel(BufferedImage img, int x, int y) { return img.getRGB(x, y); } static int getPixel(BufferedImage img, Pt p) { return img.getRGB(p.x, p.y); } static int limitToUByte(int i) { return max(0, min(255, i)); } static int rgbInt(int r, int g, int b) { return (clamp(r, 0, 255) << 16) | (clamp(g, 0, 255) << 8) | clamp(b, 0, 255); } static int asInt(Object o) { return toInt(o); } static int iround(double d) { return (int) Math.round(d); } static int iround(Number n) { return iround(toDouble(n)); } static BufferedImage toBufferedImage(Object o) { return toBufferedImageOpt(o); } static void setPixel(BufferedImage img, Pt p, Color color) { { if (img != null) img.setRGB(p.x, p.y, colorToIntOpaque(color)); } } static String copy(String text) { return copyToClipboard(text); } static A copy(A image) { return copyToClipboard(image); } static File copy(File f) { return copyToClipboard(f); } 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 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 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 Map convertObjectMetaToMap(IMeta o) { return convertObjectMetaToMap(o, () -> synchroLinkedHashMap()); } 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 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 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 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 Iterator emptyIterator() { return Collections.emptyIterator(); } 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 joinNempties(String sep, Object... strings) { return joinStrings(sep, strings); } static String joinNempties(String sep, Iterable strings) { return joinStrings(sep, strings); } static String joinNemptiesWithComma(Object... strings) { return joinNempties(", ", strings); } static String joinNemptiesWithComma(Iterable strings) { return joinNempties(", ", strings); } static List flattenCollectionsAndArrays(Iterable a) { List l = new ArrayList(); for (Object x : a) if (x instanceof Collection) l.addAll(flattenCollectionsAndArrays((Collection) x)); else if (x instanceof Object[]) l.addAll(flattenCollectionsAndArrays(asList((Object[]) x))); else l.add(x); return l; } static String lines(Iterable lines) { return fromLines(lines); } static String lines(Object[] lines) { return fromLines(asList(lines)); } static List lines(String s) { return toLines(s); } // convenience map call static String lines(Iterable l, IF1 f) { return mapToLines(l, f); } static List flattenIterablesAndArrays(Iterable a) { List l = new ArrayList(); for (Object x : a) if (x instanceof Iterable) l.addAll(flattenIterablesAndArrays((Iterable) x)); else if (x instanceof Iterator) l.addAll(flattenIterablesAndArrays(asList((Iterator) x))); else if (x instanceof Object[]) l.addAll(flattenIterablesAndArrays(asList((Object[]) x))); else l.add(x); return l; } 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 A safeGet(List l, int i) { return i >= 0 && i < l(l) ? l.get(i) : null; } static IterableIterator toLines(File f) { return linesFromFile(f); } static List toLines(String s) { List lines = new ArrayList(); if (s == null) return lines; int start = 0; while (true) { int i = toLines_nextLineBreak(s, start); if (i < 0) { if (s.length() > start) lines.add(s.substring(start)); break; } lines.add(s.substring(start, i)); if (s.charAt(i) == '\r' && i+1 < s.length() && s.charAt(i+1) == '\n') i += 2; else ++i; start = i; } return lines; } static int toLines_nextLineBreak(String s, int start) { int n = s.length(); for (int i = start; i < n; i++) { char c = s.charAt(i); if (c == '\r' || c == '\n') return i; } return -1; } 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 "ret call(o, method, args);"; }}); } 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 dropNumberPrefix(String s) { return dropFirst(s, indexOfNonDigit(s)); } 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 BWImage toBW(RGBImage img) { return img == null ? null : new BWImage(img); } // 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 Rect pointsRect(int x1, int y1, int x2, int y2) { return new Rect(x1, y1, x2-x1, y2-y1); } 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; } static void addToContainer(Container a, Component... b) { if (a == null) return; { swing(new Runnable() { public void run() { try { for (Component c : unnullForIteration(b)) if (c != null) a.add(c); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "for (Component c : unnullForIteration(b))\r\n if (c != null) \r\n a.a..."; }}); } } // 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 List wrapArrayAsList(A[] a) { return a == null ? null : Arrays.asList(a); } static byte clampToUByte(long l) { return (byte) clamp(l, 0, 255); } // undefined color, seems to be all black in practice static BufferedImage newGrayBufferedImage(int w, int h) { return new BufferedImage(w, h, BufferedImage.TYPE_BYTE_GRAY); } static BufferedImage newGrayBufferedImage(int w, int h, byte[] pixels) { return byteArrayToGrayBufferedImage(pixels, w, h); } 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 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 BufferedImage toBufferedImageOpt(Object o) { if (o instanceof BufferedImage) return ((BufferedImage) o); if (o instanceof Image) return copyImage((Image) o); if (o instanceof MakesBufferedImage) return ((MakesBufferedImage) o).getBufferedImage(); if (o instanceof File) if (isImageFile((File) o)) return loadBufferedImageFile((File) o); String c = getClassName(o); // Keep this because it also works on imported objects if (eqOneOf(c, "main$BWImage", "main$RGBImage")) return (BufferedImage) call(o, "getBufferedImage"); if (eq(c, "main$PNGFile")) return (BufferedImage) call(o, "getImage"); return null; } static int colorToIntOpaque(Color c) { return c.getRGB() | 0xFF000000; } static String copyToClipboard(String text) { return copyTextToClipboard(text); } static A copyToClipboard(A image) { copyImageToClipboard(image); return image; } static File copyToClipboard(File f) { return copyFileToClipboard(f); } static IMeta toIMeta(Object o) { if (o == null) return null; if (o instanceof IMeta) return ((IMeta) o); if (o instanceof JComponent) return initMetaOfJComponent((JComponent) o); return null; } 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); return null; } static Map synchroLinkedHashMap() { return synchronizedMap(new LinkedHashMap()); } static IAutoCloseableF0 tempMetaMutex(IMeta o) { return o == null ? null : o._tempMetaMutex(); } 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 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 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 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); } // usually L static String fromLines(Iterable lines) { StringBuilder buf = new StringBuilder(); if (lines != null) for (Object line : lines) buf.append(str(line)).append('\n'); return buf.toString(); } static String fromLines(String... lines) { return fromLines(asList(lines)); } static List mapToLines(Map map) { List l = new ArrayList(); for (Object key : keys(map)) l.add(str(key) + " = " + str(map.get(key))); return l; } static String mapToLines(Map map, Object f) { return lines(map(map, f)); } static String mapToLines(Object f, Map map) { return lines(map(map, f)); } static String mapToLines(Object f, Iterable l) { return lines(map(f, l)); } static String mapToLines(Iterable l, IF1 f) { return mapToLines((Object) f, l); } static String mapToLines(IF1 f, Iterable l) { return mapToLines((Object) f, l); } static String mapToLines(Map map, IF2 f) { return lines(map(map, f)); } static String mapToLines(IF1 f, A data1, A... moreData) { return lines(map(f, data1, moreData)); } 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 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 Object swing(Object f) { return swingAndWait(f); } static A swing(F0 f) { return (A) swingAndWait(f); } static A swing(IF0 f) { return (A) swingAndWait(f); } 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 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 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 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); } // Use like this: renderVars(+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 boolean emptyString(String s) { return s == null || s.length() == 0; } static BufferedImage byteArrayToGrayBufferedImage(byte[] pixels, int w, int h) { PixelInterleavedSampleModel sm = new PixelInterleavedSampleModel( DataBuffer.TYPE_BYTE, w, h, 1, // pixelStride w, // scanlineStride, new int[] {0} // bandOffsets ); DataBufferByte db = new DataBufferByte(pixels, pixels.length); WritableRaster wr = Raster.createWritableRaster(sm, db, new Point()); return new BufferedImage(grayColorModel(), wr, false, null); } static double parseDouble(String s) { return empty(s) ? 0.0 : Double.parseDouble(s); } // this copies to RGBA static BufferedImage copyImage(Image img) { if (img == null) return null; if (img instanceof BufferedImage) return copyImage((BufferedImage) img); int w = img.getWidth(null), h = img.getHeight(null); BufferedImage bi = newBufferedImage(w, h); drawImage(bi, img); return bi; } // this one stays in color model. inconsistent i guess static BufferedImage copyImage(BufferedImage bi) { if (bi == null) return null; ColorModel cm = bi.getColorModel(); boolean isAlphaPremultiplied = cm.isAlphaPremultiplied(); WritableRaster raster = bi.copyData(bi.getRaster().createCompatibleWritableRaster()); return new BufferedImage(cm, raster, isAlphaPremultiplied, null); } static boolean isImageFile(File f) { return isImageFileName(fileName(f)); } static BufferedImage loadBufferedImageFile(File file) { try { return isFile(file) ? ImageIO.read(file) : null; } catch (Exception __e) { throw rethrow(__e); } } static String copyTextToClipboard(Object _text) { String text = str(_text); StringSelection selection = new StringSelection(text); Toolkit.getDefaultToolkit().getSystemClipboard().setContents(selection, selection); vmBus_send("newClipboardContents", text); return text; } static A copyImageToClipboard(A img) { TransferableImage trans = new TransferableImage(img); Toolkit.getDefaultToolkit().getSystemClipboard().setContents( trans, null); vmBus_send("newClipboardContents", img); print("Copied image to clipboard (" + img.getWidth(null) + "*" + img.getHeight(null) + " px)"); return img; } static File copyFileToClipboard(File f) { if (f == null) return null; Toolkit.getDefaultToolkit().getSystemClipboard().setContents( new FileTransferable(f), null); vmBus_send("newClipboardContents", f); return f; } 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[] arrayOfSameType(A[] a, int n) { return newObjectArrayOfSameType(a, n); } static List subList(List l, int startIndex) { return subList(l, startIndex, l(l)); } static List subList(int startIndex, List l) { return subList(l, startIndex); } static List subList(int startIndex, int endIndex, List l) { return subList(l, startIndex, endIndex); } static List subList(List l, int startIndex, int endIndex) { if (l == null) return null; int n = l(l); startIndex = Math.max(0, startIndex); endIndex = Math.min(n, endIndex); if (startIndex > endIndex) return ll(); if (startIndex == 0 && endIndex == n) return l; return l.subList(startIndex, endIndex); } static String strOrNull(Object o) { return o == null ? null : str(o); } 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); } 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 "ret 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 void swingAndWait(Runnable r) { try { if (isAWTThread()) r.run(); else EventQueue.invokeAndWait(addThreadInfoToRunnable(r)); } catch (Exception __e) { throw rethrow(__e); } } static Object swingAndWait(final Object f) { if (isAWTThread()) return callF(f); else { final Var result = new Var(); swingAndWait(new Runnable() { public void run() { try { result.set(callF(f)); } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "result.set(callF(f));"; }}); return result.get(); } } static 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 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 boolean isDigit(char c) { return Character.isDigit(c); } 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 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 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 ColorModel grayColorModel_cache; static ColorModel grayColorModel() { if (grayColorModel_cache == null) grayColorModel_cache = grayColorModel_load(); return grayColorModel_cache; } static ColorModel grayColorModel_load() { return newGrayBufferedImage(1, 1).getColorModel(); } // undefined color, seems to be all black in practice static BufferedImage newBufferedImage(int w, int h) { return new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); } static BufferedImage newBufferedImage(int w, int h, RGB rgb) { return newBufferedImage(w, h, rgb.getColor()); } static BufferedImage newBufferedImage(int w, int h, Color color) { BufferedImage img = newBufferedImage(w, h); Graphics2D g = img.createGraphics(); g.setColor(or(color, Color.white)); g.fillRect(0, 0, w, h); return img; } static BufferedImage newBufferedImage(Pt p, Color color) { return newBufferedImage(p.x, p.y, color); } static BufferedImage newBufferedImage(int w, int h, int[] pixels) { return intArrayToBufferedImage(pixels, w, h); } // changes & returns canvas static BufferedImage drawImage(BufferedImage canvas, Image img, Pt p) { return drawImageOnImage(img, canvas, p.x, p.y); } static void drawImage(BufferedImage g, Image img) { drawImage(graphics(g), img); } static void drawImage(Graphics2D g, Image img) { drawImage(g, img, 0, 0); } static void drawImage(Graphics2D g, Image img, Pt p) { drawImage(g, img, p.x, p.y); } static void drawImage(Graphics2D g, Image img, int x, int y) { { if (g != null) g.drawImage(img, x, y, null); } } static boolean isImageFileName(String s) { return eqicOneOf(fileExtension(s), ".png", ".jpg", ".jpeg", ".gif"); } static String fileName(File f) { return f == null ? null : f.getName(); } static boolean isFile(File f) { return f != null && f.isFile(); } static boolean isFile(String path) { return isFile(newFile(path)); } 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); } // 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 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 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 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 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 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 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(__33 -> isLetterOrDigit(__33), s); else return "" + first(s); } // from: https://stackoverflow.com/questions/14416107/int-array-to-bufferedimage // pixels are RGB pixels static BufferedImage intArrayToBufferedImage(int[] pixels, int w, int h) { int[] bitMasks = new int[]{0xFF0000, 0xFF00, 0xFF, 0xFF000000}; SinglePixelPackedSampleModel sm = new SinglePixelPackedSampleModel(DataBuffer.TYPE_INT, w, h, bitMasks); DataBufferInt db = new DataBufferInt(pixels, pixels.length); WritableRaster wr = Raster.createWritableRaster(sm, db, new Point()); return new BufferedImage(ColorModel.getRGBdefault(), wr, false, null); } // changes & returns canvas static BufferedImage drawImageOnImage(Image img, BufferedImage canvas, int x, int y) { createGraphics(canvas).drawImage(img, x, y, null); return canvas; } static String fileExtension(File f) { if (f == null) return null; return fileExtension(f.getName()); } static String fileExtension(String s) { return substring(s, smartLastIndexOf(s, '.')); } 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; } static void _registerIO(Object object, String path, boolean opened) { } static List> _threadInfo_makers = synchroList(); static Object _threadInfo() { if (empty(_threadInfo_makers)) return null; HashMap map = new HashMap(); pcallFAll(_threadInfo_makers, map); return map; } static Runnable asRunnable(Object o) { return toRunnable(o); } static void _inheritThreadInfo(Object info) { _threadInheritInfo(info); } static 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 Map createGraphics_modulators = synchroIdentityHashMap(); static Graphics2D createGraphics(BufferedImage img) { Graphics2D g = img.createGraphics(); Object mod = createGraphics_modulators.get(img); if (mod != null) callF(mod, g); return g; } // mod: voidfunc(Graphics2D) static void createGraphics_modulate(BufferedImage img, Object mod) { mapPut2(createGraphics_modulators, img, mod); } static int smartLastIndexOf(String s, char c) { if (s == null) return 0; int i = s.lastIndexOf(c); return i >= 0 ? i : l(s); } static int smartLastIndexOf(List l, A sub) { int i = lastIndexOf(l, sub); return i < 0 ? l(l) : i; } static void pcallFAll(Collection l, Object... args) { if (l != null) for (Object f : cloneList(l)) pcallF(f, args); } static void pcallFAll(Iterator it, Object... args) { while (it.hasNext()) pcallF(it.next(), args); } static Runnable toRunnable(final Object o) { if (o instanceof Runnable) return (Runnable) o; if (o instanceof String) throw fail("callF_legacy"); return new Runnable() { public void run() { try { callF(o) ; } catch (Exception __e) { throw rethrow(__e); } } public String toString() { return "callF(o)"; }}; } static List> _threadInheritInfo_retrievers = synchroList(); static void _threadInheritInfo(Object info) { if (info == null) return; pcallFAll(_threadInheritInfo_retrievers, (Map) info); } static 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 Map synchroIdentityHashMap() { return synchroMap(new IdentityHashMap()); } static void mapPut2(Map map, A key, B value) { if (map != null && key != null) if (value != null) map.put(key, value); else map.remove(key); } 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) { return null; } } static B pcallF(F1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { return null; } } static void pcallF(VF1 f, A a) { try { { if (f != null) f.get(a); } } catch (Throwable __e) { printStackTrace(__e); } } static Object pcallF(Runnable r) { try { { if (r != null) r.run(); } return null; } catch (Throwable __e) { return null; } } static A pcallF(IF0 f) { try { return f == null ? null : f.get(); } catch (Throwable __e) { return null; } } static B pcallF(IF1 f, A a) { try { return f == null ? null : f.get(a); } catch (Throwable __e) { return null; } } static Object pcallFunction(Object f, Object... args) { try { return callFunction(f, args); } catch (Throwable __e) { printStackTrace(__e); } return null; } static interface IResourceHolder { A add(A a); Collection takeAll(); } static class FileTransferable implements Transferable { List files = new ArrayList(); FileTransferable(File f) { files.add(f); } FileTransferable(List files) { this.files = files;} public DataFlavor[] getTransferDataFlavors() { return new DataFlavor[] { DataFlavor.javaFileListFlavor }; } public boolean isDataFlavorSupported(DataFlavor flavor) { return eq(flavor, DataFlavor.javaFileListFlavor); } public Object getTransferData(DataFlavor flavor) { return files; } } static class TransferableImage implements Transferable { Image i; TransferableImage(Image i) { this.i = i;} public Object getTransferData( DataFlavor flavor ) throws UnsupportedFlavorException, IOException { if ( flavor.equals( DataFlavor.imageFlavor ) && i != null ) { return i; } else { throw new UnsupportedFlavorException( flavor ); } } public DataFlavor[] getTransferDataFlavors() { DataFlavor[] flavors = new DataFlavor[ 1 ]; flavors[ 0 ] = DataFlavor.imageFlavor; return flavors; } public boolean isDataFlavorSupported( DataFlavor flavor ) { DataFlavor[] flavors = getTransferDataFlavors(); for ( int i = 0; i < flavors.length; i++ ) { if ( flavor.equals( flavors[ i ] ) ) { return true; } } return false; } } static abstract class CloseableIterableIterator extends IterableIterator implements AutoCloseable { public void close() throws Exception {} } static class Var implements IVar, ISetter { Var() {} Var(A v) { this.v = v;} A v; // you can access this directly if you use one thread public synchronized void set(A a) { if (v != a) { v = a; notifyAll(); } } public synchronized A get() { return v; } public synchronized boolean has() { return v != null; } public void clear() { set(null); } public String toString() { return str(this.get()); } } static interface IF2_IntInt_Double { double get(int a, int b); } static interface IVar extends IF0 { void set(A a); A get(); default boolean has() { return get() != null; } default void clear() { set(null); } } static interface ISetter { void set(A a); } static Graphics2D graphics(BufferedImage img) { return imageGraphics(img); } static ThreadLocal imageGraphics_antiAlias = new ThreadLocal(); static Graphics2D imageGraphics(BufferedImage img) { return !isFalse(imageGraphics_antiAlias.get()) ? antiAliasGraphics(img) : createGraphics(img); } static Graphics2D antiAliasGraphics(BufferedImage img) { return antiAliasOn(createGraphics(img)); } static Graphics2D antiAliasOn(Graphics2D g) { g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); return g; } }