import java.math.*; import javax.imageio.*; import java.awt.image.*; import java.awt.event.*; import java.awt.*; import java.security.spec.*; import java.security.*; import java.lang.management.*; import java.lang.ref.*; import java.lang.reflect.*; import java.net.*; import java.io.*; import javax.swing.table.*; import javax.swing.text.*; import javax.swing.event.*; import javax.swing.*; import java.util.concurrent.atomic.*; import java.util.concurrent.*; import java.util.regex.*; import java.util.List; import java.util.zip.*; import java.util.*; public class main { static class Matches { String[] m; String get(int i) { return m[i]; } String unq(int i) { return unquote(m[i]); } String fsi(int i) { return formatSnippetID(unq(i)); } boolean bool(int i) { return "true".equals(unq(i)); } String rest() { return m[m.length-1]; } // for matchStart } public static void main(String[] args) throws Exception { makeBot("Strings"); } static String answer(String s) { Matches m = new Matches(); if (match("how long is the string *", s, m)) { return l(m.unq(0)) + " chars"; } return null; } static int makeBot(String greeting) { return makeAndroid3(greeting).port; } static void makeBot(Android3 a) { makeAndroid3(a); } static int l(Object[] array) { return array == null ? 0 : array.length; } static int l(int[] array) { return array == null ? 0 : array.length; } static int l(Collection c) { return c == null ? 0 : c.size(); } static int l(Map m) { return m == null ? 0 : m.size(); } static int l(String s) { return s == null ? 0 : s.length(); } static abstract class DialogIO { String line; boolean eos; abstract String readLineImpl(); abstract boolean isStillConnected(); abstract void sendLine(String line); abstract boolean isLocalConnection(); abstract Socket getSocket(); abstract void close(); int getPort() { return getSocket().getPort(); } boolean helloRead; String readLineNoBlock() { String l = line; line = null; return l; } boolean waitForLine() { try { if (line != null) return true; //print("Readline"); line = readLineImpl(); //print("Readline done: " + line); if (line == null) eos = true; return line != null; } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} String readLine() { waitForLine(); helloRead = true; return readLineNoBlock(); } String ask(String s, Object... args) { if (!helloRead) readLine(); if (args.length != 0) s = format3(s, args); sendLine(s); return readLine(); } String askLoudly(String s, Object... args) { if (!helloRead) readLine(); if (args.length != 0) s = format3(s, args); print("> " + s); sendLine(s); String answer = readLine(); print("< " + answer); return answer; } void pushback(String l) { if (line != null) fail(); line = l; helloRead = false; } } static abstract class DialogHandler { abstract void run(DialogIO io); } // Dialog classes static class Android3 { String greeting; boolean publicOverride; // optionally set this in client int startPort = 5000; // optionally set this in client Responder responder; boolean console = true; boolean daemon = false; boolean incomingSilent = false; boolean useMultiPort = true; // set by system int port; long vport; DialogHandler handler; ServerSocket server; Android3(String greeting) { this.greeting = greeting;} Android3() {} synchronized void dispose() { if (server == null) return; try { server.close(); } catch (IOException e) { print("[internal] " + e); } server = null; } } static abstract class Responder { abstract String answer(String s, List history); } static Android3 makeAndroid3(final String greeting) { return makeAndroid3(new Android3(greeting)); } static Android3 makeAndroid3(final String greeting, Responder responder) { Android3 android = new Android3(greeting); android.responder = responder; return makeAndroid3(android); } static Android3 makeAndroid3(final Android3 a) { if (a.responder == null) a.responder = new Responder() { String answer(String s, List history) { return callStaticAnswerMethod(s, history); } }; if (a.useMultiPort) { a.vport = addToMultiPort(a.greeting, a.responder); if (a.vport == 1) makeAndroid3_handleConsole(a); return a; } print(a.greeting); a.handler = makeAndroid3_makeDialogHandler(a); a.port = a.daemon ? startDialogServerOnPortAboveDaemon(a.startPort, a.handler) : startDialogServerOnPortAbove(a.startPort, a.handler); a.server = startDialogServer_serverSocket; if (a.console && makeAndroid3_consoleInUse()) a.console = false; if (a.console) makeAndroid3_handleConsole(a); record(a); return a; } static void makeAndroid3_handleConsole(final Android3 a) { // Console handling stuff print("You may also type on this console."); Thread _t_0 = new Thread() { public void run() { try { List history = new ArrayList(); String line; while ((line = readLine()) != null) { if ("bye".equals(line)) { print("> bye stranger"); history = new ArrayList(); } else { history.add(line); history.add(makeAndroid3_getAnswer(line, history, a)); // prints answer on console too } } } catch (Exception _e) { throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } } }; _t_0.start(); } static DialogHandler makeAndroid3_makeDialogHandler(final Android3 a) { return new DialogHandler() { public void run(final DialogIO io) { if (!a.publicOverride && !(publicCommOn() || io.isLocalConnection())) { io.sendLine("Sorry, not allowed"); return; } String dialogID = randomID(8); io.sendLine(a.greeting + " / Your ID: " + dialogID); List history = new ArrayList(); while (io.isStillConnected()) { if (io.waitForLine()) { final String line = io.readLineNoBlock(); String s = dialogID + " at " + now() + ": " + quote(line); if (!a.incomingSilent) print(s); if ("bye".equals(line)) { io.sendLine("bye stranger"); return; } Matches m = new Matches(); history.add(line); String answer; if (match3("this is a continuation of talk *", s, m) || match3("hello bot! this is a continuation of talk *", s, m)) { dialogID = unquote(m.m[0]); answer = "ok"; } else answer = makeAndroid3_getAnswer(line, history, a); history.add(answer); io.sendLine(answer); //appendToLog(logFile, s); } } }}; } static String makeAndroid3_getAnswer(String line, List history, Android3 a) { String answer; try { answer = makeAndroid3_fallback(line, history, a.responder.answer(line, history)); } catch (Throwable e) { e = getInnerException(e); e.printStackTrace(); answer = e.toString(); } if (!a.incomingSilent) print("> " + shorten(answer, 500)); return answer; } static String makeAndroid3_fallback(String s, List history, String answer) { // Now we only do the safe thing instead of VM inspection - give out our process ID if (answer == null && match3("what is your pid", s)) return getPID(); if (answer == null && match3("what is your program id", s)) // should be fairly safe, right? return getProgramID(); if (match3("get injection id", s)) return getInjectionID(); if (answer == null) answer = "?"; if (answer.indexOf('\n') >= 0 || answer.indexOf('\r') >= 0) answer = quote(answer); return answer; } static boolean makeAndroid3_consoleInUse() { for (Object o : record_list) if (o instanceof Android3 && ((Android3) o).console) return true; return false; } static String callStaticAnswerMethod(List bots, String s) { for (Class c : bots) try { String answer = callStaticAnswerMethod(c, s); if (answer != null) return answer; } catch (Throwable e) { print("Error calling " + getProgramID(c)); e.printStackTrace(); } return null; } static String callStaticAnswerMethod(Class c, String s) { String answer = (String) callOpt(c, "answer", s, litlist(s)); if (answer == null) answer = (String) callOpt(c, "answer", s); return emptyToNull(answer); } static String callStaticAnswerMethod(String s, List history) { String answer = (String) callOpt(getMainClass(), "answer", s, history); if (answer == null) answer = (String) callOpt(getMainClass(), "answer", s); return emptyToNull(answer); } static String getInjectionID() { return (String) call(getJavaX(), "getInjectionID", getMainClass()); } static Object addToMultiPort_responder; static long addToMultiPort(final String botName) { return addToMultiPort(botName, new Object() { public String answer(String s, List history) { String answer = (String) ( callOpt(getMainClass(), "answer", s, history)); if (answer != null) return answer; answer = (String) callOpt(getMainClass(), "answer", s); if (answer != null) return answer; if (match3("get injection id", s)) return getInjectionID(); return null; } }); } static long addToMultiPort(final String botName, final Object responder) { print(botName); addToMultiPort_responder = responder; startMultiPort(); List ports = getMultiPorts(); if (ports.isEmpty()) fail("No multiports!"); if (ports.size() > 1) print("Multiple multi-ports. Using last one."); Object port = last(ports); Object responder2 = new Object() { public String answer(String s, List history) { if (match3("get injection id", s)) return getInjectionID(); if (match3("your name", s)) return botName; return (String) call(responder, "answer", s, history); } }; record(responder2); return (Long) call(port, "addResponder", botName, responder2); } static String quote(String s) { if (s == null) return "null"; return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\""; } static String quote(long l) { return quote("" + l); } static Throwable getInnerException(Throwable e) { while (e.getCause() != null) e = e.getCause(); return e; } static boolean publicCommOn() { return "1".equals(loadTextFile(new File(userHome(), ".javax/public-communication"))); } static List record_list = synchroList(); static void record(Object o) { record_list.add(o); } // try to get our current process ID static String getPID() { String name = ManagementFactory.getRuntimeMXBean().getName(); return name.replaceAll("@.*", ""); } static String programID; static String getProgramID() { return programID; } // TODO: ask JavaX instead static String getProgramID(Class c) { return or((String) getOpt(c, "programID"), "?"); } static AtomicInteger dialogServer_clients = new AtomicInteger(); static boolean dialogServer_printConnects; static Set dialogServer_knownClients = synchroTreeSet(); static int startDialogServerOnPortAbove(int port, DialogHandler handler) { while (!startDialogServerIfPortAvailable(port, handler)) ++port; return port; } static int startDialogServerOnPortAboveDaemon(int port, DialogHandler handler) { while (!startDialogServerIfPortAvailable(port, handler, true)) ++port; return port; } static void startDialogServer(int port, DialogHandler handler) { if (!startDialogServerIfPortAvailable(port, handler)) fail("Can't start dialog server on port " + port); } static boolean startDialogServerIfPortAvailable(int port, final DialogHandler handler) { return startDialogServerIfPortAvailable(port, handler, false); } static ServerSocket startDialogServer_serverSocket; static boolean startDialogServerIfPortAvailable(int port, final DialogHandler handler, boolean daemon) { ServerSocket serverSocket = null; try { serverSocket = new ServerSocket(port); } catch (IOException e) { // probably the port number is used - let's assume there already is a chat server. return false; } final ServerSocket _serverSocket = serverSocket; startDialogServer_serverSocket = serverSocket; Thread thread = new Thread("Socket accept port " + port) { public void run() { try { while (true) { try { final Socket s = _serverSocket.accept(); String client = s.getInetAddress().toString(); if (!dialogServer_knownClients.contains(client)) { print("connect from " + client + " - clients: " + dialogServer_clients.incrementAndGet()); dialogServer_knownClients.add(client); } String threadName = "Handling client " + s.getInetAddress(); Thread t2 = new Thread(threadName) { public void run() { try { final Writer w = new OutputStreamWriter(s.getOutputStream(), "UTF-8"); final BufferedReader in = new BufferedReader( new InputStreamReader(s.getInputStream(), "UTF-8")); DialogIO io = new DialogIO() { // This should be the same as #1001076 (talkTo) boolean isLocalConnection() { return s.getInetAddress().isLoopbackAddress(); } boolean isStillConnected() { return !(eos || s.isClosed()); } void sendLine(String line) { try { w.write(line + "\n"); w.flush(); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} String readLineImpl() { try { return in.readLine(); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} void close() { try { s.close(); } catch (IOException e) { // whatever } } Socket getSocket() { return s; } }; try { handler.run(io); } finally { s.close(); } } catch (IOException e) { print("[internal] " + e); } finally { //print("client disconnect - " + dialogServer_clients.decrementAndGet() + " remaining"); } } }; // Thread t2 t2.setDaemon(true); // ? t2.start(); } catch (SocketTimeoutException e) { } } } catch (IOException e) { print("[internal] " + e); } }}; if (daemon) thread.setDaemon(true); thread.start(); print("Dialog server on port " + port + " started."); return true; } // class Matches is added by #752 static boolean match3(String pat, String s) { return match3(pat, s, null); } static boolean match3(String pat, String s, Matches matches) { if (s == null) return false; return match3(pat, parse3(s), matches); } static boolean match3(String pat, List toks, Matches matches) { List tokpat = parse3(pat); return match3(tokpat,toks,matches); } static boolean match3(List tokpat, List toks, Matches matches) { String[] m = match2(tokpat, toks); //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m)); if (m == null) return false; else { if (matches != null) matches.m = m; return true; } } static BufferedReader readLine_reader; static String readLine() { return (String) call(getJavaX(), "readLine"); } static String randomID(int length) { return makeRandomID(length); } static long now_virtualTime; static long now() { return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis(); } static StringBuffer print_log; static void print() { print(""); } static void print(Object o) { String s = String.valueOf(o) + "\n"; synchronized(StringBuffer.class) { if (print_log == null) print_log = new StringBuffer(); } print_log.append(s); System.out.print(s); } static void print(long l) { print(String.valueOf(l)); } public static String unquote(String s) { if (s.startsWith("[")) { 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.startsWith("\"") && s.endsWith("\"") && s.length() > 1) { String st = s.substring(1, s.length()-1); StringBuilder sb = new StringBuilder(st.length()); for (int i = 0; i < st.length(); i++) { char ch = st.charAt(i); if (ch == '\\') { char nextChar = (i == st.length() - 1) ? '\\' : st .charAt(i + 1); // Octal escape? if (nextChar >= '0' && nextChar <= '7') { String code = "" + nextChar; i++; if ((i < st.length() - 1) && st.charAt(i + 1) >= '0' && st.charAt(i + 1) <= '7') { code += st.charAt(i + 1); i++; if ((i < st.length() - 1) && st.charAt(i + 1) >= '0' && st.charAt(i + 1) <= '7') { code += st.charAt(i + 1); i++; } } sb.append((char) Integer.parseInt(code, 8)); continue; } switch (nextChar) { 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; case '\'': ch = '\''; break; // Hex Unicode: u???? case 'u': if (i >= st.length() - 5) { ch = 'u'; break; } int code = Integer.parseInt( "" + st.charAt(i + 2) + st.charAt(i + 3) + st.charAt(i + 4) + st.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(); } else return s; // return original } static String shorten(String s, int max) { return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "..."; } static String emptyToNull(String s) { return eq(s, "") ? null : s; } static Class run(String progID) { Class main = hotwire(progID); callMain(main); return main; } static A or(A a, A b) { return a != null ? a : b; } // start multi-port if none exists in current VM. static void startMultiPort() { if (getMultiPorts().isEmpty()) callMain(hotwire("#1001672")); } static List getMultiPorts() { return (List) call(getJavaX(), "getMultiPorts"); } static Object callOpt(Object o, String method, Object... args) { try { if (o == null) return null; if (o instanceof Class) { Method m = callOpt_findStaticMethod((Class) o, method, args, false); if (m == null) return null; m.setAccessible(true); return m.invoke(null, args); } else { Method m = callOpt_findMethod(o, method, args, false); if (m == null) return null; m.setAccessible(true); return m.invoke(o, args); } } catch (Exception e) { throw new RuntimeException(e); } } static Method callOpt_findStaticMethod(Class c, String method, Object[] args, boolean debug) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (!m.getName().equals(method)) { if (debug) System.out.println("Method name mismatch: " + method); continue; } if ((m.getModifiers() & Modifier.STATIC) == 0 || !callOpt_checkArgs(m, args, debug)) continue; return m; } c = c.getSuperclass(); } return null; } static Method callOpt_findMethod(Object o, String method, Object[] args, boolean debug) { Class c = o.getClass(); while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (m.getName().equals(method) && callOpt_checkArgs(m, args, debug)) return m; } c = c.getSuperclass(); } return null; } private static boolean callOpt_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } static Set synchroTreeSet() { return Collections.synchronizedSet(new TreeSet()); } static Class getMainClass() { try { return Class.forName("main"); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static List parse3(String s) { return dropPunctuation(javaTokPlusPeriod(s)); } static Object getOpt(Object o, String field) { if (o == null) return null; if (o instanceof Class) return getOpt((Class) o, field); if (o.getClass().getName().equals("main$DynamicObject")) return call(getOpt_raw(o, "fieldValues"), "get", field); return getOpt_raw(o, field); } static Object getOpt_raw(Object o, String field) { try { Field f = getOpt_findField(o.getClass(), field); if (f == null) return null; f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object getOpt(Class c, String field) { try { Field f = getOpt_findStaticField(c, field); if (f == null) return null; f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field getOpt_findStaticField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; return null; } static Field getOpt_findField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field)) return f; return null; } static List synchroList() { return Collections.synchronizedList(new ArrayList()); } static List synchroList(List l) { return Collections.synchronizedList(l); } static ArrayList litlist(A... a) { return new ArrayList(Arrays.asList(a)); } static A last(List l) { return l.isEmpty() ? null : l.get(l.size()-1); } static Class __javax; static Class getJavaX() { return __javax; } // match2 matches multiple "*" (matches a single token) wildcards and zero or one "..." wildcards (matches multiple tokens) static String[] match2(List pat, List tok) { // standard case (no ...) int i = pat.indexOf("..."); if (i < 0) return match2_match(pat, tok); pat = new ArrayList(pat); // We're modifying it, so copy first pat.set(i, "*"); while (pat.size() < tok.size()) { pat.add(i, "*"); pat.add(i+1, ""); // doesn't matter } return match2_match(pat, tok); } static String[] match2_match(List pat, List tok) { List result = new ArrayList(); if (pat.size() != tok.size()) { /*if (debug) print("Size mismatch: " + structure(pat) + " vs " + structure(tok));*/ return null; } for (int i = 1; i < pat.size(); i += 2) { String p = pat.get(i), t = tok.get(i); /*if (debug) print("Checking " + p + " against " + t);*/ if ("*".equals(p)) result.add(t); else if (!p.equalsIgnoreCase(t)) return null; } return result.toArray(new String[result.size()]); } public static String loadTextFile(String fileName) { try { return loadTextFile(fileName, null); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(String fileName, String defaultContents) throws IOException { if (!new File(fileName).exists()) return defaultContents; FileInputStream fileInputStream = new FileInputStream(fileName); InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8"); return loadTextFile(inputStreamReader); } public static String loadTextFile(File fileName) { try { return loadTextFile(fileName, null); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(File fileName, String defaultContents) throws IOException { try { return loadTextFile(fileName.getPath(), defaultContents); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(Reader reader) throws IOException { StringBuilder builder = new StringBuilder(); try { char[] buffer = new char[1024]; int n; while (-1 != (n = reader.read(buffer))) builder.append(buffer, 0, n); } finally { reader.close(); } return builder.toString(); } // varargs assignment fixer for a single string array argument static Object call(Object o, String method, String[] arg) { return call(o, method, new Object[] {arg}); } static Object call(Object o, String method, Object... args) { try { if (o instanceof Class) { Method m = call_findStaticMethod((Class) o, method, args, false); m.setAccessible(true); return m.invoke(null, args); } else { Method m = call_findMethod(o, method, args, false); m.setAccessible(true); return m.invoke(o, args); } } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) { Class _c = c; while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (!m.getName().equals(method)) { if (debug) System.out.println("Method name mismatch: " + method); continue; } if ((m.getModifiers() & Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug)) continue; return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + _c.getName()); } static Method call_findMethod(Object o, String method, Object[] args, boolean debug) { Class c = o.getClass(); while (c != null) { for (Method m : c.getDeclaredMethods()) { if (debug) System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");; if (m.getName().equals(method) && call_checkArgs(m, args, debug)) return m; } c = c.getSuperclass(); } throw new RuntimeException("Method '" + method + "' (non-static) with " + args.length + " parameter(s) not found in " + o.getClass().getName()); } private static boolean call_checkArgs(Method m, Object[] args, boolean debug) { Class[] types = m.getParameterTypes(); if (types.length != args.length) { if (debug) System.out.println("Bad parameter length: " + args.length + " vs " + types.length); return false; } for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) { if (debug) System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]); return false; } return true; } static RuntimeException fail() { throw new RuntimeException("fail"); } static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); } static RuntimeException fail(String msg) { throw new RuntimeException(unnull(msg)); } static RuntimeException fail(String msg, Object... args) { throw new RuntimeException(format(msg, args)); } static String _userHome; static String userHome() { if (_userHome == null) { if (isAndroid()) _userHome = "/storage/sdcard0/"; else _userHome = System.getProperty("user.home"); //System.out.println("userHome: " + _userHome); } return _userHome; } static String makeRandomID(int length) { Random random = new Random(); char[] id = new char[length]; for (int i = 0; i < id.length; i++) id[i] = (char) ((int) 'a' + random.nextInt(26)); return new String(id); } static String format(String pat, Object... args) { return format3(pat, args); } static boolean eq(Object a, Object b) { if (a == null) return b == null; if (a.equals(b)) return true; if (a instanceof BigInteger) { if (b instanceof Integer) return a.equals(BigInteger.valueOf((Integer) b)); if (b instanceof Long) return a.equals(BigInteger.valueOf((Long) b)); } return false; } // extended over Class.isInstance() to handle primitive types static boolean isInstanceX(Class type, Object arg) { if (type == boolean.class) return arg instanceof Boolean; if (type == int.class) return arg instanceof Integer; if (type == long.class) return arg instanceof Long; if (type == float.class) return arg instanceof Float; if (type == short.class) return arg instanceof Short; if (type == char.class) return arg instanceof Character; if (type == byte.class) return arg instanceof Byte; if (type == double.class) return arg instanceof Double; return type.isInstance(arg); } static boolean isAndroid() { return System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0; } static List dropPunctuation(List tok) { tok = new ArrayList(tok); for (int i = 1; i < tok.size(); i += 2) { String t = tok.get(i); if (t.length() == 1 && !Character.isLetter(t.charAt(0)) && !Character.isDigit(t.charAt(0)) && !t.equals("*")) { tok.set(i-1, tok.get(i-1) + tok.get(i+1)); tok.remove(i); tok.remove(i); i -= 2; } } return tok; } static String dropPunctuation(String s) { return join(dropPunctuation(nlTok(s))); } // This is made for NL parsing. // It's javaTok extended with "..." token, "$n" and "#n" static List javaTokPlusPeriod(String s) { List tok = new ArrayList(); int l = s.length(); int i = 0; while (i < l) { int j = i; char c; String cc; // scan for whitespace while (j < l) { c = s.charAt(j); cc = s.substring(j, Math.min(j+2, l)); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (cc.equals("/*")) { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (cc.equals("//")) { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } tok.add(s.substring(i, j)); i = j; if (i >= l) break; c = s.charAt(i); cc = s.substring(i, Math.min(i+2, l)); // scan for non-whitespace if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { if (s.charAt(j) == opener) { ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } } else if (Character.isJavaIdentifierStart(c)) do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || s.charAt(j) == '\'')); // for things like "this one's" else if (Character.isDigit(c)) do ++j; while (j < l && Character.isDigit(s.charAt(j))); else if (cc.equals("[[")) { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else if (s.substring(j, Math.min(j+3, l)).equals("...")) j += 3; else if (c == '$' || c == '#') do ++j; while (j < l && Character.isDigit(s.charAt(j))); else ++j; tok.add(s.substring(i, j)); i = j; } if ((tok.size() % 2) == 0) tok.add(""); return tok; } static void callMain(Object c, String... args) { callOpt(c, "main", new Object[] {args}); } // compile JavaX source, load classes & return main class // src can be a snippet ID or actual source code // TODO: record injection? static Class hotwire(String src) { try { Class j = getJavaX(); synchronized(j) { // hopefully this goes well... List libraries = new ArrayList(); File srcDir = (File) call(j, "transpileMain", src, libraries); if (srcDir == null) fail("transpileMain returned null (src=" + quote(src) + ")"); Object androidContext = get(j, "androidContext"); if (androidContext != null) return (Class) call(j, "loadx2android", srcDir, src); File classesDir = (File) call(j, "TempDirMaker_make"); String javacOutput = (String) call(j, "compileJava", srcDir, libraries, classesDir); System.out.println(javacOutput); URL[] urls = new URL[libraries.size()+1]; urls[0] = classesDir.toURI().toURL(); for (int i = 0; i < libraries.size(); i++) urls[i+1] = libraries.get(i).toURI().toURL(); // make class loader URLClassLoader classLoader = new URLClassLoader(urls); // load & return main class Class theClass = classLoader.loadClass("main"); call(j, "setVars", theClass, isSnippetID(src) ? src: null); if (isSnippetID(src)) callOpt(j, "addInstance", src, theClass); return theClass; } } catch (Exception e) { throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e); } } static String unnull(String s) { return s == null ? "" : s; } static List unnull(List l) { return l == null ? emptyList() : l; } static List emptyList() { return Collections.emptyList(); } static List nlTok(String s) { return javaTokPlusPeriod(s); } static String format3(String pat, Object... args) { if (args.length == 0) return pat; List tok = javaTokPlusPeriod(pat); int argidx = 0; for (int i = 1; i < tok.size(); i += 2) if (tok.get(i).equals("*")) tok.set(i, format3_formatArg(argidx < args.length ? args[argidx++] : "null")); return join(tok); } static String format3_formatArg(Object arg) { if (arg == null) return "null"; if (arg instanceof String) { String s = (String) arg; return isIdentifier(s) || isNonNegativeInteger(s) ? s : quote(s); } if (arg instanceof Integer || arg instanceof Long) return String.valueOf(arg); return quote(structure(arg)); } public static boolean isSnippetID(String s) { try { parseSnippetID(s); return true; } catch (RuntimeException e) { return false; } } public static String join(String glue, Iterable 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(Iterable strings) { return join("", strings); } public static String join(String[] strings) { return join("", strings); } // get purpose 1: access a list/array (safer version of x.get(y)) static A get(List l, int idx) { return idx >= 0 && idx < l(l) ? l.get(idx) : null; } static A get(A[] l, int idx) { return idx >= 0 && idx < l(l) ? l[idx] : null; } // get purpose 2: access a field by reflection static Object get(Object o, String field) { if (o instanceof Class) return get((Class) o, field); if (o.getClass().getName().equals("main$DynamicObject")) return call(get_raw(o, "fieldValues"), "get", field); return get_raw(o, field); } static Object get_raw(Object o, String field) { try { Field f = get_findField(o.getClass(), field); f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object get(Class c, String field) { try { Field f = get_findStaticField(c, field); f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field get_findStaticField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; throw new RuntimeException("Static field '" + field + "' not found in " + c.getName()); } static Field get_findField(Class c, String field) { for (Field f : c.getDeclaredFields()) if (f.getName().equals(field)) return f; throw new RuntimeException("Field '" + field + "' not found in " + c.getName()); } static boolean isNonNegativeInteger(String s) { return s != null && Pattern.matches("\\d+", s); } static boolean isIdentifier(String s) { return isJavaIdentifier(s); } static String structure(Object o) { return structure(o, 0); } // leave to false, unless unstructure() breaks static boolean structure_allowShortening = false; static String structure(Object o, int stringSizeLimit) { if (o == null) return "null"; String name = o.getClass().getName(); StringBuilder buf = new StringBuilder(); if (o instanceof Collection) { // TODO: store the type (e.g. HashSet/TreeSet) for (Object x : (Collection) o) { if (buf.length() != 0) buf.append(", "); buf.append(structure(x, stringSizeLimit)); } return "[" + buf + "]"; } if (o instanceof Map) { for (Object e : ((Map) o).entrySet()) { if (buf.length() != 0) buf.append(", "); buf.append(structure(((Map.Entry) e).getKey(), stringSizeLimit)); buf.append("="); buf.append(structure(((Map.Entry) e).getValue(), stringSizeLimit)); } return "{" + buf + "}"; } if (o.getClass().isArray()) { int n = Array.getLength(o); for (int i = 0; i < n; i++) { if (buf.length() != 0) buf.append(", "); buf.append(structure(Array.get(o, i), stringSizeLimit)); } return "array{" + buf + "}"; } if (o instanceof String) return quote(stringSizeLimit != 0 ? shorten((String) o, stringSizeLimit) : (String) o); if (o instanceof Class) return "class(" + quote(((Class) o).getName()) + ")"; if (o instanceof Throwable) return "exception(" + quote(((Throwable) o).getMessage()) + ")"; if (o instanceof BigInteger) return "bigint(" + o + ")"; // Need more cases? This should cover all library classes... if (name.startsWith("java.") || name.startsWith("javax.")) return String.valueOf(o); String shortName = o.getClass().getName().replaceAll("^main\\$", ""); int numFields = 0; String fieldName = ""; if (shortName.equals("DynamicObject")) { shortName = (String) get(o, "className"); Map fieldValues = (Map) get(o, "fieldValues"); for (String _fieldName : fieldValues.keySet()) { fieldName = _fieldName; Object value = fieldValues.get(fieldName); if (value != null) { if (buf.length() != 0) buf.append(", "); buf.append(fieldName + "=" + structure(value, stringSizeLimit)); } ++numFields; } } else { // regular class // TODO: go to superclasses too Field[] fields = o.getClass().getDeclaredFields(); for (Field field : fields) { if ((field.getModifiers() & Modifier.STATIC) != 0) continue; Object value; try { field.setAccessible(true); value = field.get(o); } catch (Exception e) { value = "?"; } fieldName = field.getName(); // put special cases here... if (value != null) { if (buf.length() != 0) buf.append(", "); buf.append(fieldName + "=" + structure(value, stringSizeLimit)); } ++numFields; } } String b = buf.toString(); if (numFields == 1 && structure_allowShortening) b = b.replaceAll("^" + fieldName + "=", ""); // drop field name if only one String s = shortName; if (buf.length() != 0) s += "(" + b + ")"; return s; } public static long parseSnippetID(String snippetID) { long id = Long.parseLong(shortenSnippetID(snippetID)); if (id == 0) fail("0 is not a snippet ID"); return id; } static boolean isJavaIdentifier(String s) { if (s.length() == 0 || !Character.isJavaIdentifierStart(s.charAt(0))) return false; for (int i = 1; i < s.length(); i++) if (!Character.isJavaIdentifierPart(s.charAt(i))) return false; return true; } static String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return snippetID; } static String unq(String s) { return unquote(s); } static String formatSnippetID(String id) { return "#" + parseSnippetID(id); } static String formatSnippetID(long id) { return "#" + id; } static boolean match(String pat, String s) { return match3(pat, s); } static boolean match(String pat, String s, Matches matches) { return match3(pat, s, matches); } }