import java.util.*; import java.util.zip.*; import java.util.List; import java.util.regex.*; import java.util.concurrent.*; import java.util.concurrent.atomic.*; import java.util.concurrent.locks.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.text.*; import javax.swing.table.*; import java.io.*; import java.net.*; import java.lang.reflect.*; import java.lang.ref.*; import java.lang.management.*; import java.security.*; import java.security.spec.*; import java.awt.*; import java.awt.event.*; import java.awt.image.*; import javax.imageio.*; import java.math.*; public class main { public static void main(final String[] args) throws Exception { File file = prepareProgramFile("bla"); makeEmptyFile(file); print(backtick("chmod a+rx " + bashQuote(file))); print(backtick("ls -l " + bashQuote(file))); } static volatile StringBuffer local_log = new StringBuffer(); // not redirected static volatile StringBuffer 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 int print_maxLineLength = 0; // 0 = unset static boolean print_silent; // total mute if set static volatile ThreadLocal print_byThread; // special handling by thread static void print() { print(""); } // slightly overblown signature to return original object... static A print(A o) { ping(); if (print_silent) return o; String s = String.valueOf(o) + "\n"; print_noNewLine(s); return o; } static void print_noNewLine(String s) { if (print_byThread != null) { Object f = print_byThread.get(); if (f != null) if (isFalse(callF(f, s))) return; } print_raw(s); } static void print_raw(String s) { s = fixNewLines(s); // TODO if (print_maxLineLength != 0) StringBuffer loc = local_log; StringBuffer buf = print_log; int loc_max = print_log_max; if (buf != loc && buf != null) { print_append(buf, s, print_log_max); loc_max = local_log_max; } if (loc != null) print_append(loc, s, loc_max); System.out.print(s); } static void print(long l) { print(String.valueOf(l)); } static void print(char c) { print(String.valueOf(c)); } static void print_append(StringBuffer buf, String s, int max) { synchronized(buf) { buf.append(s); max /= 2; if (buf.length() > max) 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); } } } static File prepareProgramFile(String name) { return mkdirsForFile(getProgramFile(name)); } static File prepareProgramFile(String progID, String name) { return mkdirsForFile(getProgramFile(progID, name)); } static void makeEmptyFile(File f) { try { new FileOutputStream(f).close(); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static int backtick_exitValue; static boolean backtick_verbose; static ThreadLocal backtick_scriptFile = new ThreadLocal(); static String backtick(String cmd) { try { File outFile = File.createTempFile("_backtick", ""); backtickToFile(cmd, outFile); String result = loadTextFile(outFile.getPath(), ""); if (backtick_verbose) print("[[\n" + result + "]]"); return result; } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static Process backtickToFile(String cmd, File outFile) { try { try { Process process = backtickToFile_noWait(cmd, outFile); process.waitFor(); backtick_exitValue = process.exitValue(); if (backtick_verbose) System.out.println("Process return code: " + backtick_exitValue); return process; } finally { deleteFile(backtick_scriptFile.get()); backtick_scriptFile.set(null); } } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static Process backtickToFile_noWait(String cmd, File outFile) { try { File scriptFile = File.createTempFile("_backtick", isWindows() ? ".bat" : ""); backtick_scriptFile.set(scriptFile); if (backtick_verbose) print("backtick: scriptFile " + f2s(scriptFile)); String command = cmd + " >" + bashQuote(outFile.getPath()) + " 2>&1"; //Log.info("[Backtick] " + command); if (backtick_verbose) print("backtick: command " + command); saveTextFile(scriptFile.getPath(), command); String[] command2; if (isWindows()) command2 = new String[] { scriptFile.getPath() }; else command2 = new String[] { "/bin/bash", scriptFile.getPath() }; if (backtick_verbose) print("backtick: command2 " + structure(command2)); return Runtime.getRuntime().exec(command2); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} /** possibly improvable */ static String bashQuote(String text) { if (text == null) return null; return "\"" + text .replace("\\", "\\\\") .replace("\"", "\\\"") .replace("\n", "\\n") .replace("\r", "\\r") + "\""; } static String bashQuote(File f) { return bashQuote(f.getAbsolutePath()); } static String fixNewLines(String s) { return s.replace("\r\n", "\n").replace("\r", "\n"); } static boolean deleteFile(File file) { return file != null && file.delete(); } static File getProgramFile(String progID, String fileName) { if (new File(fileName).isAbsolute()) return new File(fileName); return new File(getProgramDir(progID), fileName); } static File getProgramFile(String fileName) { return getProgramFile(getProgramID(), fileName); } public static String loadTextFile(String fileName) { return loadTextFile(fileName, null); } public static String loadTextFile(String fileName, String defaultContents) { try { if (!new File(fileName).exists()) return defaultContents; FileInputStream fileInputStream = new FileInputStream(fileName); InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8"); return loadTextFile(inputStreamReader); } catch (IOException e) { throw new RuntimeException(e); } } public static String loadTextFile(File fileName) { return loadTextFile(fileName, null); } public static String loadTextFile(File fileName, String defaultContents) { return loadTextFile(fileName.getPath(), defaultContents); } 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(); } public static File mkdirsForFile(File file) { File dir = file.getParentFile(); if (dir != null) // is null if file is in current dir dir.mkdirs(); return file; } static volatile boolean ping_pauseAll; static int ping_sleep = 100; // poll pauseAll flag every 100 static volatile boolean ping_anyActions; static Map ping_actions = synchroMap(new WeakHashMap()); // returns true if it did anything static boolean ping() { try { if (ping_pauseAll && !isAWTThread()) { do Thread.sleep(ping_sleep); while (ping_pauseAll); return true; } if (ping_anyActions) { Object action; synchronized(mc()) { 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 (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static String f2s(File f) { return f == null ? null : f.getAbsolutePath(); } static Object callF(Object f, Object... args) { return callFunction(f, args); } static boolean isFalse(Object o) { return eq(false, o); } static boolean structure_showTiming, structure_checkTokenCount; static String structure(Object o) { structure_Data d = new structure_Data(); StringWriter sw = new StringWriter(); d.out = new PrintWriter(sw); structure_go(o, d); String s = str(sw); if (structure_checkTokenCount) { print("token count=" + d.n); assertEquals("token count", l(javaTokC(s)), d.n); } return s; } static void structure_go(Object o, structure_Data d) { structure_1(o, d); while (nempty(d.stack)) popLast(d.stack).run(); } static void structureToPrintWriter(Object o, PrintWriter out) { structure_Data d = new structure_Data(); d.out = out; structure_go(o, d); } // leave to false, unless unstructure() breaks static boolean structure_allowShortening = false; static int structure_shareStringsLongerThan = 20; static class structure_Data { PrintWriter out; int stringSizeLimit; IdentityHashMap seen = new IdentityHashMap(); BitSet refd = new BitSet(); HashMap strings = new HashMap(); HashSet concepts = new HashSet(); HashMap> fieldsByClass = new HashMap(); Class conceptClass = findClass("Concept"); int n; // token count List stack = new ArrayList(); // append single token structure_Data append(String token) { out.print(token); ++n; return this; } structure_Data append(int i) { out.print(i); ++n; return this; } // append multiple tokens structure_Data append(String token, int tokCount) { out.print(token); n += tokCount; return this; } // extend last token structure_Data app(String token) { out.print(token); return this; } structure_Data app(int i) { out.print(i); return this; } } static void structure_1(final Object o, final structure_Data d) { final PrintWriter out = d.out; if (o == null) { d.append("null"); return; } Class c = o.getClass(); String name = c.getName(); String dynName = shortDynamicClassName(o); boolean concept = d.conceptClass != null && d.conceptClass.isInstance(o); List lFields = d.fieldsByClass.get(c); if (lFields == null) { // these are never back-referenced (for readability) if (o instanceof Number) { if (o instanceof Integer) { out.print(((Integer) o).intValue()); d.n++; return; } if (o instanceof Long) { out.print(((Long) o).longValue()); out.print("L"); d.n++; return; } if (o instanceof Float) { d.append("fl ", 2); quoteToPrintWriter(str(o), out); return; } if (o instanceof Double) { d.append("d(", 3); quoteToPrintWriter(str(o), out); d.append(")"); return; } if (o instanceof BigInteger) { out.print("bigint("); out.print(o); out.print(")"); d.n += 4; return; } } if (o instanceof Boolean) { d.append(((Boolean) o).booleanValue() ? "t" : "f"); return; } if (o instanceof Character) { d.append(quoteCharacter((Character) o)); return; } if (o instanceof File) { d.append("File ").append(quote(((File) o).getPath())); return; } // referencable objects follow Integer ref = d.seen.get(o); if (o instanceof String && ref == null) ref = d.strings.get((String) o); if (ref != null) { d.refd.set(ref); d.append("t").app(ref); return; } ref = d.n; //d.seen.size()+1; d.seen.put(o, ref); //d.append("m").app(ref).app(" "); // marker if (o instanceof String) { String s = d.stringSizeLimit != 0 ? shorten((String) o, d.stringSizeLimit) : (String) o; if (l(s) >= structure_shareStringsLongerThan) d.strings.put(s, ref); quoteToPrintWriter(s, out); d.n++; return; } if (o instanceof HashSet) { d.append("hashset "); structure_1(new ArrayList((Set) o), d); return; } if (o instanceof TreeSet) { d.append("treeset "); structure_1(new ArrayList((Set) o), d); return; } if (o instanceof Collection && neq(name, "main$Concept$RefL")) { d.append("["); final int l = d.n; final Iterator it = ((Collection) o).iterator(); d.stack.add(new Runnable() { public void run() { try { if (!it.hasNext()) d.append("]"); else { d.stack.add(this); if (d.n != l) d.append(", "); structure_1(it.next(), d); } } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } public String toString() { return "if (!it.hasNext())\r\n d.append(\"]\");\r\n else {\r\n d.stack.add(this);\r\n if (d.n != l) d.append(\", \");\r\n structure_1(it.next(), d);\r\n }"; }}); return; } if (o instanceof Map) { if (o instanceof LinkedHashMap) d.append("lhm"); else if (o instanceof HashMap) d.append("hm"); d.append("{"); final int l = d.n; final Iterator it = ((Map) o).entrySet().iterator(); d.stack.add(new Runnable() { boolean v; Map.Entry e; public void run() { if (v) { d.append("="); v = false; d.stack.add(this); structure_1(e.getValue(), d); } else { if (!it.hasNext()) d.append("}"); else { e = (Map.Entry) it.next(); v = true; d.stack.add(this); if (d.n != l) d.append(", "); structure_1(e.getKey(), d); } } } }); return; } if (c.isArray()) { if (o instanceof byte[]) { d.append("ba ").append(quote(bytesToHex((byte[]) o))); return; } final int n = Array.getLength(o); if (o instanceof boolean[]) { String hex = boolArrayToHex((boolean[]) o); int i = l(hex); while (i > 0 && hex.charAt(i-1) == '0' && hex.charAt(i-2) == '0') i -= 2; d.append("boolarray ").append(n).app(" ").append(quote(substring(hex, 0, i))); return; } String atype = "array", sep = ", "; if (o instanceof int[]) { //ret "intarray " + quote(intArrayToHex((int[]) o)); atype = "intarray"; sep = " "; } d.append(atype).append("{"); d.stack.add(new Runnable() { int i; public void run() { if (i >= n) d.append("}"); else { d.stack.add(this); if (i > 0) d.append(", "); structure_1(Array.get(o, i++), d); } } }); return; } if (o instanceof Class) { d.append("class(", 2).append(quote(((Class) o).getName())).append(")"); return; } if (o instanceof Throwable) { d.append("exception(", 2).append(quote(((Throwable) o).getMessage())).append(")"); return; } if (o instanceof BitSet) { BitSet bs = (BitSet) o; d.append("bitset{", 2); int l = d.n; for (int i = bs.nextSetBit(0); i >= 0; i = bs.nextSetBit(i+1)) { if (d.n != l) d.append(", "); d.append(i); } d.append("}"); return; } // Need more cases? This should cover all library classes... if (name.startsWith("java.") || name.startsWith("javax.")) { d.append("j ").append(quote(str(o))); return; // Hm. this is not unstructure-able } /*if (name.equals("main$Lisp")) { fail("lisp not supported right now"); }*/ if (concept && !d.concepts.contains(dynName)) { d.concepts.add(dynName); d.append("c "); } // serialize an object with fields. // first, collect all fields and values in fv. TreeSet fields = new TreeSet(new Comparator() { public int compare(Field a, Field b) { return stdcompare(a.getName(), b.getName()); } }); while (c != Object.class) { for (Field field : getDeclaredFields_cached(c)) { if ((field.getModifiers() & (Modifier.STATIC | Modifier.TRANSIENT)) != 0) continue; String fieldName = field.getName(); fields.add(field); // put special cases here... } c = c.getSuperclass(); } lFields = asList(fields); // Render this$1 first because unstructure needs it for constructor call. for (int i = 0; i < l(lFields); i++) { Field f = lFields.get(i); if (f.getName().equals("this$1")) { lFields.remove(i); lFields.add(0, f); break; } } d.fieldsByClass.put(c, lFields); } LinkedHashMap fv = new LinkedHashMap(); for (Field f : lFields) { Object value; try { value = f.get(o); } catch (Exception e) { value = "?"; } if (value != null) fv.put(f.getName(), value); } String shortName = dropPrefix("main$", name); // Now we have fields & values. Process fieldValues if it's a DynamicObject. // omit field "className" if equal to class's name if (concept && eq(fv.get("className"), shortName)) fv.remove("className"); if (o instanceof DynamicObject) { fv.putAll((Map) fv.get("fieldValues")); fv.remove("fieldValues"); shortName = dynName; fv.remove("className"); } String singleField = fv.size() == 1 ? first(fv.keySet()) : null; d.append(shortName); final int l = d.n; final Iterator it = fv.entrySet().iterator(); d.stack.add(new Runnable() { public void run() { try { if (!it.hasNext()) { if (d.n != l) d.append(")"); } else { Map.Entry e = (Map.Entry) it.next(); d.append(d.n == l ? "(" : ", "); d.append((String) e.getKey()).append("="); d.stack.add(this); structure_1(e.getValue(), d); } } catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); } } public String toString() { return "if (!it.hasNext()) {\r\n if (d.n != l)\r\n d.append(\")\");\r\n } else {\r\n Map.Entry e = (Map.Entry) it.next();\r\n d.append(d.n == l ? \"(\" : \", \");\r\n d.append((String) e.getKey()).append(\"=\");\r\n d.stack.add(this);\r\n structure_1(e.getValue(), d);\r\n }"; }}); } /** writes safely (to temp file, then rename) */ public static void saveTextFile(String fileName, String contents) throws IOException { File file = new File(fileName); File parentFile = file.getParentFile(); if (parentFile != null) parentFile.mkdirs(); String tempFileName = fileName + "_temp"; File tempFile = new File(tempFileName); if (contents != null) { if (tempFile.exists()) try { String saveName = tempFileName + ".saved." + now(); copyFile(tempFile, new File(saveName)); } catch (Throwable e) { printStackTrace(e); } FileOutputStream fileOutputStream = newFileOutputStream(tempFile.getPath()); OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8"); PrintWriter printWriter = new PrintWriter(outputStreamWriter); printWriter.print(contents); printWriter.close(); } if (file.exists() && !file.delete()) throw new IOException("Can't delete " + fileName); if (contents != null) if (!tempFile.renameTo(file)) throw new IOException("Can't rename " + tempFile + " to " + file); } public static void saveTextFile(File fileName, String contents) { try { saveTextFile(fileName.getPath(), contents); } catch (IOException e) { throw new RuntimeException(e); } } public static boolean isWindows() { return System.getProperty("os.name").contains("Windows"); } static Object callFunction(Object f, Object... args) { if (f == null) return null; if (f instanceof Runnable) { ((Runnable) f).run(); return null; } else if (f instanceof String) return call(mc(), (String) f, args); else return call(f, "get", args); //else throw fail("Can't call a " + getClassName(f)); } static ArrayList asList(A[] a) { return new ArrayList(Arrays.asList(a)); } static ArrayList asList(int[] a) { ArrayList l = new ArrayList(); for (int i : a) l.add(i); return l; } 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; } public static String bytesToHex(byte[] bytes) { return bytesToHex(bytes, 0, bytes.length); } public static String bytesToHex(byte[] bytes, int ofs, int len) { StringBuilder stringBuilder = new StringBuilder(len*2); for (int i = 0; i < len; i++) { String s = "0" + Integer.toHexString(bytes[ofs+i]); stringBuilder.append(s.substring(s.length()-2, s.length())); } return stringBuilder.toString(); } static String 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(); 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 out.append(c); } out.append('"'); } static String shorten(String s, int max) { if (s == null) return ""; if (max < 0) return s; return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "..."; } static Object mc() { return getMainClass(); } static String quoteCharacter(char c) { if (c == '\'') return "'\\''"; if (c == '\\') return "'\\\\'"; return "'" + c + "'"; } static boolean neq(Object a, Object b) { return !eq(a, b); } static boolean isAWTThread() { if (isAndroid()) return false; if (isHeadless()) return false; return isTrue(callOpt(getClass("javax.swing.SwingUtilities"), "isEventDispatchThread")); } static String shortDynamicClassName(Object o) { if (o instanceof DynamicObject && ((DynamicObject) o).className != null) return ((DynamicObject) o).className; return shortClassName(o); } static void quoteToPrintWriter(String s, PrintWriter out) { if (s == null) { out.print("null"); return; } out.print('"'); int l = s.length(); for (int i = 0; i < l; i++) { char c = s.charAt(i); if (c == '\\' || c == '"') { out.print('\\'); out.print(c); } else if (c == '\r') out.print("\\r"); else if (c == '\n') out.print("\\n"); else out.print(c); } out.print('"'); } static String dropPrefix(String prefix, String s) { return s.startsWith(prefix) ? s.substring(l(prefix)) : s; } static Thread currentThread() { return Thread.currentThread(); } static void printStackTrace(Throwable e) { // we go to system.out now - system.err is nonsense print(getStackTrace(e)); } static void printStackTrace() { printStackTrace(new Throwable()); } static void printStackTrace(String msg) { printStackTrace(new Throwable(msg)); } static void printStackTrace(String indent, Throwable e) { if (endsWithLetter(indent)) indent += " "; printIndent(indent, getStackTrace(e)); } static HashMap findClass_cache = new HashMap(); // currently finds only inner classes of class "main" // returns null on not found // this is the simple version that is not case-tolerant static Class findClass(String name) { synchronized(findClass_cache) { if (findClass_cache.containsKey(name)) return findClass_cache.get(name); if (!isJavaIdentifier(name)) return null; Class c; try { c = Class.forName("main$" + name); } catch (ClassNotFoundException e) { c = null; } findClass_cache.put(name, c); return c; } } 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; } static String str(Object o) { return String.valueOf(o); } static String str(char[] c) { return new String(c); } 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, Throwable innerException) { throw new RuntimeException(msg, innerException); } // disabled for now to shorten some programs /*static RuntimeException fail(S msg, O... args) { throw new RuntimeException(format(msg, args)); }*/ static Map synchroMap() { return synchroHashMap(); } static Map synchroMap(Map map) { return Collections.synchronizedMap(map); } public static void copyFile(File src, File dest) { try { mkdirsForFile(dest); FileInputStream inputStream = new FileInputStream(src.getPath()); FileOutputStream outputStream = newFileOutputStream(dest.getPath()); try { copyStream(inputStream, outputStream); inputStream.close(); } finally { outputStream.close(); } } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static String programID; static String getProgramID() { return nempty(programID) ? formatSnippetIDOpt(programID) : "?"; } // TODO: ask JavaX instead static String getProgramID(Class c) { String id = (String) getOpt(c, "programID"); if (nempty(id)) return formatSnippetID(id); return "?"; } static String getProgramID(Object o) { return getProgramID(getMainClass(o)); } static String substring(String s, int x) { return safeSubstring(s, x); } static String substring(String s, int x, int y) { return safeSubstring(s, x, y); } static long now_virtualTime; static long now() { return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis(); } static FileOutputStream newFileOutputStream(File path) throws IOException { return newFileOutputStream(path.getPath()); } static FileOutputStream newFileOutputStream(String path) throws IOException { return newFileOutputStream(path, false); } static FileOutputStream newFileOutputStream(String path, boolean append) throws IOException { FileOutputStream f = new // Line break for ancient translator FileOutputStream(path, append); callJavaX("registerIO", f, path, true); return f; } static List javaTokC(String s) { int l = s.length(); ArrayList tok = new ArrayList(); int i = 0; while (i < l) { int j = i; char c, d; // scan for whitespace while (j < l) { c = s.charAt(j); d = j+1 >= l ? '\0' : s.charAt(j+1); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (c == '/' && d == '*') { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (c == '/' && d == '/') { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } i = j; if (i >= l) break; c = s.charAt(i); d = i+1 >= l ? '\0' : s.charAt(i+1); // scan for non-whitespace if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } } else if (Character.isJavaIdentifierStart(c)) do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't" else if (Character.isDigit(c)) { do ++j; while (j < l && Character.isDigit(s.charAt(j))); if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L } else if (c == '[' && d == '[') { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') { do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]")); j = Math.min(j+3, l); } else ++j; tok.add(quickSubstring(s, i, j)); i = j; } return tok; } static boolean nempty(Collection c) { return !isEmpty(c); } static boolean nempty(CharSequence s) { return !isEmpty(s); } static boolean nempty(Object[] o) { return !isEmpty(o); } static boolean nempty(Map m) { return !isEmpty(m); } static boolean nempty(Iterator i) { return i != null && i.hasNext(); } static A assertEquals(Object x, A y) { return assertEquals(null, x, y); } static A assertEquals(String msg, Object x, A y) { if (!(x == null ? y == null : x.equals(y))) throw fail((msg != null ? msg + ": " : "") + x + " != " + y); return y; } 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(int[] a) { return a == null ? 0 : a.length; } static int l(float[] 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(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 instanceof String ? l((String) o) : l((Collection) o); // incomplete } static File getProgramDir() { return programDir(); } static File getProgramDir(String snippetID) { return programDir(snippetID); } static HashMap getDeclaredFields_cache = new HashMap(); static Field[] getDeclaredFields_cached(Class c) { Field[] fields; synchronized(getDeclaredFields_cache) { fields = getDeclaredFields_cache.get(c); if (fields == null) { getDeclaredFields_cache.put(c, fields = c.getDeclaredFields()); for (Field f : fields) f.setAccessible(true); } } return fields; } static A popLast(List l) { return liftLast(l); } static String boolArrayToHex(boolean[] a) { return bytesToHex(boolArrayToBytes(a)); } static int stdcompare(Number a, Number b) { return cmp(a, b); } static int stdcompare(String a, String b) { return cmp(a, b); } static int stdcompare(long a, long b) { return a < b ? -1 : a > b ? 1 : 0; } static int stdcompare(Object a, Object b) { return cmp(a, b); } static Object first(Object list) { return ((List) list).isEmpty() ? null : ((List) list).get(0); } static A first(List list) { return list.isEmpty() ? null : list.get(0); } static A first(A[] bla) { return bla == null || bla.length == 0 ? null : bla[0]; } static A first(Iterable i) { if (i == null) return null; Iterator it = i.iterator(); return it.hasNext() ? it.next() : null; } static Class getClass(String name) { try { return Class.forName(name); } catch (ClassNotFoundException e) { return null; } } static Class getClass(Object o) { return o instanceof Class ? (Class) o : o.getClass(); } static Class getClass(Object realm, String name) { try { try { return getClass(realm).getClassLoader().loadClass(classNameToVM(name)); } catch (ClassNotFoundException e) { return null; } } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static Boolean isHeadless_cache; static boolean isHeadless() { if (isHeadless_cache != null) return isHeadless_cache; 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 { callOpt(getClass("javax.swing.SwingUtilities"), "isEventDispatchThread"); return isHeadless_cache = false; } catch (Throwable e) { return isHeadless_cache = true; } } static void printIndent(Object o) { print(indentx(str(o))); } static void printIndent(String indent, Object o) { print(indentx(indent, str(o))); } static void printIndent(int indent, Object o) { print(indentx(indent, str(o))); } // hopefully covers all cases :) static String safeSubstring(String s, int x, int y) { if (s == null) return null; if (x < 0) x = 0; if (x > s.length()) return ""; if (y < x) y = x; if (y > s.length()) y = s.length(); return s.substring(x, y); } static String safeSubstring(String s, int x) { return safeSubstring(s, x, l(s)); } static String getStackTrace(Throwable throwable) { StringWriter writer = new StringWriter(); throwable.printStackTrace(new PrintWriter(writer)); return writer.toString(); } static File programDir_mine; // set this to relocate program's data static File programDir() { return programDir(getProgramID()); } static File programDir(String snippetID) { if (programDir_mine != null && sameSnippetID(snippetID, programID())) return programDir_mine; return new File(javaxDataDir(), formatSnippetID(snippetID)); } static String formatSnippetID(String id) { return "#" + parseSnippetID(id); } static String formatSnippetID(long id) { return "#" + id; } static byte[] boolArrayToBytes(boolean[] a) { byte[] b = new byte[(l(a)+7)/8]; for (int i = 0; i < l(a); i++) if (a[i]) b[i/8] |= 1 << (i & 7); return b; } static String quickSubstring(String s, int i, int j) { if (i == j) return ""; return s.substring(i, j); } 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 A liftLast(List l) { if (l.isEmpty()) return null; int i = l(l)-1; A a = l.get(i); l.remove(i); return a; } static Object callOpt(Object o) { if (o == null) return null; return callF(o); } 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 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(String a, String b) { return a == null ? b == null ? 0 : -1 : a.compareTo(b); } 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 String unnull(String s) { return s == null ? "" : s; } static List unnull(List l) { return l == null ? emptyList() : l; } static Iterable unnull(Iterable i) { return i == null ? emptyList() : i; } static Object[] unnull(Object[] a) { return a == null ? new Object[0] : a; } static BitSet unnull(BitSet b) { return b == null ? new BitSet() : b; } static Object callJavaX(String method, Object... args) { return callOpt(getJavaX(), method, args); } 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 String formatSnippetIDOpt(String s) { return isSnippetID(s) ? formatSnippetID(s) : s; } static boolean endsWithLetter(String s) { return nempty(s) && isLetter(last(s)); } static Class getMainClass() { return main.class; } static Class getMainClass(Object o) { try { return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main"); } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} static boolean isEmpty(Collection c) { return c == null || c.isEmpty(); } static boolean isEmpty(CharSequence s) { return s == null || s.length() == 0; } static boolean isEmpty(Object[] a) { return a == null || a.length == 0; } static boolean isEmpty(Map map) { return map == null || map.isEmpty(); } static Object call(Object o) { return callFunction(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) { 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; } // hmm, this shouldn't call functions really. That was just // for coroutines. static boolean isTrue(Object o) { if (o instanceof Boolean) return ((Boolean) o).booleanValue(); if (o == null) return false; return ((Boolean) callF(o)).booleanValue(); } static boolean isTrue(Object pred, Object arg) { return booleanValue(callF(pred, arg)); } static Object getOpt(Object o, String field) { 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; f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object getOpt(Class c, String field) { try { if (c == null) return null; 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) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } 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 Map synchroHashMap() { return Collections.synchronizedMap(new HashMap()); } static void copyStream(InputStream in, OutputStream out) { try { byte[] buf = new byte[65536]; while (true) { int n = in.read(buf); if (n <= 0) return; out.write(buf, 0, n); } } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} 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 String indentx(String s) { return indentx(indent_default, s); } static String indentx(int n, String s) { return dropSuffix(repeat(' ', n), indent(n, s)); } static String indentx(String indent, String s) { return dropSuffix(indent, indent(indent, s)); } // 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 A last(List l) { return l.isEmpty() ? null : l.get(l.size()-1); } static char last(String s) { return empty(s) ? '#' : s.charAt(l(s)-1); } static int last(int[] a) { return l(a) != 0 ? a[l(a)-1] : 0; } static String classNameToVM(String name) { return name.replace(".", "$"); } static String shortenClassName(String name) { return name == null ? null : substring(name, xIndexOf(name, '$')+1); } static boolean booleanValue(Object o) { return eq(true, o); } static File javaxDataDir_dir; // can be set to work on different base dir static File javaxDataDir() { return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data"); } public static boolean isSnippetID(String s) { try { parseSnippetID(s); return true; } catch (RuntimeException e) { return false; } } static boolean isLetter(char c) { return Character.isLetter(c); } public static long parseSnippetID(String snippetID) { long id = Long.parseLong(shortenSnippetID(snippetID)); if (id == 0) throw fail("0 is not a snippet ID"); return id; } static List emptyList() { return new ArrayList(); //ret Collections.emptyList(); } static final WeakHashMap> getOpt_cache = new WeakHashMap(); static final HashMap getOpt_special = new HashMap(); // just a marker static { getOpt_cache.put(Class.class, getOpt_special); getOpt_cache.put(String.class, getOpt_special); } static Object getOpt_cached(Object o, String field) { try { if (o == null) return null; Class c = o.getClass(); HashMap map; synchronized(getOpt_cache) { map = getOpt_cache.get(c); if (map == null) map = getOpt_makeCache(c); } if (map == getOpt_special) { if (o instanceof Class) return getOpt((Class) o, field); if (o instanceof String) return getOpt(getBot((String) 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 ((DynamicObject) o).fieldValues.get(field); return null; } catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__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(); Class _c = c; do { for (Field f : _c.getDeclaredFields()) { f.setAccessible(true); String name = f.getName(); if (!map.containsKey(name)) map.put(name, f); } _c = _c.getSuperclass(); } while (_c != null); } getOpt_cache.put(c, map); return map; } static String programID() { return getProgramID(); } static Class __javax; static Class getJavaX() { return __javax; } static boolean sameSnippetID(String a, String b) { return a != null && b != null && parseSnippetID(a) == parseSnippetID(b); } static Object getBot(String botID) { return callOpt(getMainBot(), "getBot", botID); } static String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return "" + parseLong(snippetID); } // returns l(s) if not found static int xIndexOf(String s, String sub, int i) { if (s == null) return 0; i = s.indexOf(sub, min(i, l(s))); return i >= 0 ? i : l(s); } static int xIndexOf(String s, String sub) { return xIndexOf(s, sub, 0); } static int xIndexOf(String s, char c) { if (s == null) return 0; int i = s.indexOf(c); return i >= 0 ? i : l(s); } static boolean isSubtypeOf(Class a, Class b) { return b.isAssignableFrom(a); // << always hated that method, let's replace it! } 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 File userHome(String path) { return new File(userDir(), path); } static boolean empty(Collection c) { return isEmpty(c); } static boolean empty(String s) { return isEmpty(s); } static boolean empty(Map map) { return map == null || map.isEmpty(); } static boolean empty(Object[] o) { return o == null || o.length == 0; } 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); throw fail("unknown type for 'empty': " + getType(o)); } static boolean empty(float[] a) { return a == null || a.length == 0; } static int indent_default = 2; static String indent(int indent) { return repeat(' ', indent); } static String indent(int indent, String s) { return indent(repeat(' ', indent), s); } static String indent(String indent, String s) { return indent + s.replace("\n", "\n" + indent); } static String indent(String s) { return indent(indent_default, s); } static List indent(String indent, List lines) { List l = new ArrayList(); for (String s : lines) l.add(indent + s); return l; } static String repeat(char c, int n) { n = max(n, 0); char[] chars = new char[n]; for (int i = 0; i < n; i++) chars[i] = c; return new String(chars); } static List repeat(A a, int n) { List l = new ArrayList(); for (int i = 0; i < n; i++) l.add(a); return l; } static String dropSuffix(String suffix, String s) { return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s; } static String getType(Object o) { return getClassName(o); } static Object mainBot; static Object getMainBot() { return mainBot; } 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 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 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 long parseLong(String s) { if (s == null) return 0; return Long.parseLong(dropSuffix("L", s)); } static long parseLong(Object s) { return Long.parseLong((String) s); } static File userDir() { return new File(userHome()); } static File userDir(String path) { return new File(userHome(), path); } static String getClassName(Object o) { return o == null ? "null" : o.getClass().getName(); } static ThreadLocal DynamicObject_loading = new ThreadLocal(); static class DynamicObject { String className; // just the name, without the "main$" Map fieldValues = new HashMap(); DynamicObject() {} // className = just the name, without the "main$" DynamicObject(String className) { this.className = className;} } }