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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 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 { static class Puzzler { List remainingTokens = new ArrayList(); List numbers = new ArrayList(); List vars = new ArrayList(); Puzzler(String tokens) { for (String s : codeTokens(javaTok(tokens))) if (eq(s, "i") || eq(s, "j")) vars.add(s); else if (isInteger(s)) numbers.add(s); else remainingTokens.add(s); } String var() { return oneOf(vars); } String exp() { /*int i = random(2); S s = "?"; switch (i) { case 0: s = "0"; case 1: s = "9"; }*/ String s = oneOf(concatLists(numbers, vars)); if (random(3) == 0) s = "get(" + s + ")"; return s; } String swap() { return "swap(" + exp() + ", " + exp() + ")\n"; } String _for() { return "for " + var() + " = " + exp() + " to " + exp() + "-1\n" + indentx(code()) + "end\n"; } String ifless() { return "if " + exp() + " < " + exp() + " then\n" + indentx(code()) + "end\n"; } String code() { String s = choose("swap", "for", "ifless"); if (s == null) return ""; return (String) call(this, eq(s, "for") ? "_for" : s); /*if (eq(s, "swap")) ret swap(); if (eq(s, "for")) ret for();*/ } String choose(String... options) { List l = new ArrayList(); for (String s : options) if (remainingTokens.contains(s)) l.add(s); String choice = oneOf(l); if (choice != null) remainingTokens.remove(choice); return choice; } } // Puzzler for Bubblesort static class Grid { int[] mem = new int[0]; void set(int addr, int x) { if (addr < 0) return; expandTo(addr); mem[addr] = x; } void set(int addr, int[] x) { for (int i = l(x)-1; i >= 0; i--) set(addr+i, x[i]); } int get(int addr) { if (addr < 0 || addr >= l(mem)) return 0; return mem[addr]; } void expandTo(int n) { if (n >= l(mem)) { int[] m = new int[max(n+1, l(mem)*2)]; arraycopy(mem, 0, m, 0, l(mem)); mem = m; } } int lastNonZero() { int i = l(mem)-1; while (i > 0 && get(i) == 0) --i; return i; } int[] getRange(int a, int b) { return subArray(mem, a, b); } } // opcodes static final int op_return = 0, op_nop = 1, op_jump = 2, op_jump_rel = 16, op_branchif = 3, op_branchifnot = 4, op_less = 5, op_less_im = 17, // highest op_equal = 6, op_more = 7, op_set = 8, op_set_ind = 9, op_copy = 10, op_copy_ind = 11, op_add = 12, op_add_im = 13, op_not = 14, op_neg = 15, op_illegal = 999; static int runProgram_maxSteps = 1000*1000; static void runProgram(Grid g, int pc) { new Runner(g, pc, runProgram_maxSteps); } static class Runner { Grid g; int pc; Runner(Grid g, int startAddress, int steps) { this.g = g; pc = startAddress; boolean flag = false; for (int step = 0; step < steps; step++) { int opcode = g.get(pc++); int a, b; switch (opcode) { case op_return: return; case op_nop: break; case op_jump: pc = g.get(pc); break; case op_jump_rel: pc += g.get(pc)-1; break; case op_branchif: if (flag) pc = g.get(pc); else ++pc; break; case op_branchifnot: if (!flag) pc = g.get(pc); else ++pc; break; case op_less: a = y(); b = y(); flag = a < b; break; case op_less_im: a = y(); b = x(); flag = a < b; break; case op_equal: a = y(); b = y(); flag = a == b; break; case op_more: a = y(); b = y(); flag = a > b; break; case op_set: a = x(); set(x(), a); break; case op_set_ind: a = x(); set(y(), a); break; case op_copy: a = y(); set(x(), a); break; case op_copy_ind: a = y(); set(y(), a); break; case op_add: a = x(); b = x(); set(a, get(a)+get(b)); break; case op_add_im: a = x(); b = x(); set(a, get(a)+b); break; case op_not: a = x(); set(a, ~get(a)); break; case op_neg: a = x(); set(a, -get(a)); default: fail("Illegal opcode " + opcode + " at " + (pc-1)); } } } int x() { return get(pc++); } int y() { return get(get(pc++)); } int get(int addr) { return g.get(addr); } void set(int addr, int x) { g.set(addr, x); } } static void testProgram(Grid g, int startAddress, int... values) { runProgram(g, startAddress); for (int i = 0; i < l(values); i += 2) assertEquals(values[i+1], g.get(values[i])); //print("Program OK (" + n(l(program), "int") + ", " + n(l(values)/2, "value") + ")"); print("Program OK (" + n(l(values)/2, "value") + ")"); } static void disassemble(Grid g, int pc) { print(new Disassembler(g, pc).buf); } static class Disassembler { Grid g; int pc; StringBuffer buf = new StringBuffer(); Disassembler(Grid g, int startAddress) { this.g = g; pc = startAddress; int end = g.lastNonZero(); while (pc < end) { int opcode = g.get(pc++); int a, b; String s = "?"; switch (opcode) { case op_return: s = "return"; break; case op_nop: s = "nop"; break; case op_jump: s = "jump " + x(); break; case op_jump_rel: s = "jump rel " + x(); break; case op_branchif: s = "branch if " + x(); break; case op_branchifnot: s = "branch if not " + x(); break; case op_less: a = x(); b = x(); s = "less " + a + " " + b; break; case op_less_im: a = x(); b = x(); s = "less im " + a + " " + b; break; case op_equal: a = x(); b = x(); s = "equal " + a + " " + b; break; case op_more: a = x(); b = x(); s = "more " + a + " " + b; break; case op_set: a = x(); b = x(); s = "set " + a + " " + b; break; case op_set_ind: a = x(); b = x(); s = "set ind " + a + " " + b; break; case op_copy: a = x(); b = x(); s = "copy " + a + " " + b; break; case op_copy_ind: a = x(); b = x(); s = "copy ind " + a + " " + b; break; case op_add: a = x(); b = x(); s = "add " + a + " " + b; break; case op_add_im: a = x(); b = x(); s = "add im " + a + " " + b; break; case op_not: s = "not " + x(); break; case op_neg: s = "neg " + x(); default: s = "Unknown opcode " + opcode; } buf.append(s).append("\n"); } } int x() { return g.get(pc++); } } // Assembly Machine static class HighLevel { Grid g; int pc, startAddress; Map vars = new TreeMap(); HighLevel(Grid g, int pc) { this.pc = pc; this.g = g; startAddress = pc; } HighLevel(int pc) { this.pc = pc; startAddress = pc; g = new Grid(); } void emit(int... blubb) { g.set(pc, blubb); pc += l(blubb); } int newvar() { emit(op_jump_rel, 3); int addr = pc; emit(0); return addr; } int getvar(String name) { Integer bla = vars.get(name); if (bla == null) vars.put(name, bla = newvar()); return bla; } // for (; i < to; i++) (to = im value) class ForIm { int var, loop, patch; ForIm(int var, int to) { this.var = var; loop = pc; emit(op_less_im, var, to); patch = patch(op_branchifnot); } void end() { emit(op_add_im, var, 1); emit(op_jump, loop); g.set(patch, pc); } } int patch(int opcode) { emit(opcode, 0); return pc-1; } int[] getProgram() { return g.getRange(startAddress, g.lastNonZero()+1); } void set(int x, String val) { if (isInteger(val)) emit(op_set, parseInt(val), x); else if (isIdentifier(val)) emit(op_copy, getvar(val), x); else fail(val); } } // HighLevel static int[] makeProgram(int startAddress) { String code = new Puzzler("0 10 i j for for ifless swap").code(); HighLevel h = new HighLevel(startAddress); compile(code, h); return h.getProgram(); } static void compile(String code, HighLevel h) { List stack = new ArrayList(); Matches m = new Matches(); for (String line : toLinesFullTrim(code)) { if (flexMatch("if * < * then", line)) { stack.add(h.new IfLess(m.get(0), m.get(1))); } else if (flexMatch("for * = * to *-1", line, m)) { // push for int var = h.getvar(m.get(0)); h.set(var, m.get(1)); stack.add(h.new ForIm(var, parseInt(m.get(2)))); } else if (flexMatch("end", line)) { Object x = liftLast(stack); call(x, "end"); } else if (flexMatch("swap(*, *)", line)) { h.swap(m.get(0), m.get(1)); } else fail("bad instruction: " + line); } } static boolean isIdentifier(String s) { return isJavaIdentifier(s); } static void set(Object o, String field, Object value) { if (o instanceof Class) set((Class) o, field, value); else try { Field f = set_findField(o.getClass(), field); smartSet(f, o, value); } catch (Exception e) { throw new RuntimeException(e); } } static void set(Class c, String field, Object value) { try { Field f = set_findStaticField(c, field); smartSet(f, null, value); } catch (Exception e) { throw new RuntimeException(e); } } static Field set_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 Field set_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 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 List codeTokens(List tok) { return codeTokensOnly(tok); } static boolean flexMatch_debug; static boolean flexMatch(String pat, String s) { return flexMatch(pat, s, null); } static boolean flexMatch(String pat, String s, Matches m) { List tokpat = codeTokens(javaTok(pat)); List tokfull = joinBrackets(javaTok(s)); List tok = codeTokens(tokfull); BitSet bla = new BitSet(); if (!flexMatch_impl(tokpat, 0, tok, 0, bla)) return false; if (m != null) { List l = new ArrayList(); for (int i = 1; i < l(tokfull); i += 2) { if (bla.get(i/2)) { int j = i; while (j < l(tokfull) && bla.get(j/2)) j += 2; l.add(join(subList(tokfull, i, j-1))); i = j-2; } } m.m = toStringArray(l); } return true; } static boolean flexMatch_impl(List pat, int ipat, List tok, int itok, BitSet bla) { if (flexMatch_debug) print("flexMatch " + structure(subList(pat, ipat)) + " " + structure(subList(tok, itok)) + " " + structure(bla)); if (ipat >= l(pat)) return itok >= l(tok); String t = pat.get(ipat); if (eq(t, "*")) if (itok >= l(tok)) // nothing to consume - just advance in pattern return flexMatch_impl(pat, ipat+1, tok, itok, bla); else { // something to consume - try both continuing and ending to fill "*" bla.set(itok); if (flexMatch_impl(pat, ipat, tok, itok+1, bla) || flexMatch_impl(pat, ipat+1, tok, itok+1, bla)) return true; // success, leave mark bla.clear(itok); // fail, undo marking return false; } if (itok >= l(tok)) { if (flexMatch_debug) print("too much pattern"); return false; } if (neq(tok.get(itok), t)) { if (flexMatch_debug) print("mismatch"); return false; } // ok, consume and proceed return flexMatch_impl(pat, ipat+1, tok, itok+1, bla); } static int max(int a, int b) { return Math.max(a, b); } 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 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; } // replacement for class JavaTok // maybe incomplete, might want to add floating point numbers // todo also: extended multi-line strings static List javaTok(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 is not needed in rest of loop body 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 || 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 (cc.equals("[[")) { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else if (cc.equals("[=") && 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(s.substring(i, j)); i = j; } if ((tok.size() % 2) == 0) tok.add(""); return tok; } static List javaTok(List tok) { return javaTok(join(tok)); } static void assertEquals(Object x, Object y) { assertEquals(null, x, y); } static void assertEquals(String msg, Object x, Object y) { if (!(x == null ? y == null : x.equals(y))) fail((msg != null ? msg + ": " : "") + structure(x) + " != " + structure(y)); } 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 int l(Object[] array) { return array == null ? 0 : array.length; } static int l(byte[] array) { return array == null ? 0 : array.length; } static int l(int[] array) { return array == null ? 0 : array.length; } static int l(char[] 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 String n(long l, String name) { return l + " " + (l == 1 ? name : getPlural(name)); } // 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 int parseInt(String s) { return empty(s) ? 0 : Integer.parseInt(s); } static int random(int n) { return new Random().nextInt(n); } 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 boolean isInteger(String s) { return s != null && Pattern.matches("\\-?\\d+", s); } static A oneOf(List l) { return l.isEmpty() ? null : l.get(new Random().nextInt(l.size())); } 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 void print() { print(""); } // slightly overblown signature to return original object... static A print(A o) { String s = String.valueOf(o) + "\n"; 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); return o; } static void print(long l) { print(String.valueOf(l)); } 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 List toLinesFullTrim(String s) { List l = toLines(s); for (ListIterator i = l.listIterator(); i.hasNext(); ) { String line = i.next().trim(); if (line.length() == 0) i.remove(); else i.set(line); } return l; } static List concatLists(List... lists) { List l = new ArrayList(); for (List list : lists) if (list != null) l.addAll(list); return l; } static List concatLists(Collection> lists) { List l = new ArrayList(); for (List list : lists) if (list != null) l.addAll(list); return l; } static void arraycopy(Object[] a, Object[] b) { int n = min(a.length, b.length); for (int i = 0; i < n; i++) b[i] = a[i]; } static void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) { System.arraycopy(src, srcPos, dest, destPos, n); } // 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 or a map static Object get(Object o, String field) { if (o instanceof Class) return get((Class) o, field); if (o instanceof Map) return ((Map) o).get(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) { 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); 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 String indentx(String s) { return dropSuffix(repeat(' ', indent_default), indent(indent_default, s)); } static int[] subArray(int[] b, int start, int end) { int[] x = new int[end-start]; System.arraycopy(b, start, x, 0, end-start); return x; } static 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 unnull(String s) { return s == null ? "" : s; } static List unnull(List l) { return l == null ? emptyList() : l; } 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 int min(int a, int 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 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 List toLines(File f) { return toLines(loadTextFile(f)); } public 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; } private static int toLines_nextLineBreak(String s, int start) { for (int i = start; i < s.length(); i++) { char c = s.charAt(i); if (c == '\r' || c == '\n') return i; } return -1; } 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); } static boolean neq(Object a, Object b) { return !eq(a, b); } // 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 List subList(List l, int startIndex) { return subList(l, startIndex, l(l)); } static List subList(List l, int startIndex, int endIndex) { startIndex = max(0, min(l(l), startIndex)); endIndex = max(0, min(l(l), endIndex)); if (startIndex > endIndex) return litlist(); return l.subList(startIndex, endIndex); } static String getPlural(String s) { if (s.endsWith("y")) return dropSuffix("y", s) + "ies"; return s + "s"; } static List codeTokensOnly(List tok) { List l = new ArrayList(); for (int i = 1; i < tok.size(); i += 2) l.add(tok.get(i)); return l; } static String format(String pat, Object... args) { return format3(pat, args); } static String dropSuffix(String suffix, String s) { return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s; } static void smartSet(Field f, Object o, Object value) throws Exception { f.setAccessible(true); // take care of common case (long to int) if (f.getType() == int.class && value instanceof Long) value = ((Long) value).intValue(); f.set(o, value); } static List joinBrackets(List tok) { List t = new ArrayList(); Map map = getBracketMap(tok); for (int i = 0; i < l(tok); i++) { Integer dest = map.get(i); if (dest != null) { t.add(join(subList(tok, i, dest+1))); i = dest; } else t.add(tok.get(i)); } return t; } static String[] toStringArray(List list) { return list.toArray(new String[list.size()]); } static String[] toStringArray(Object o) { if (o instanceof String[]) return (String[]) o; else if (o instanceof List) return toStringArray((List) o); else throw fail("Not a list or array: " + structure(o)); } static String structure(Object o) { HashSet refd = new HashSet(); return structure_2(structure_1(o, 0, new IdentityHashMap(), refd), refd); } // leave to false, unless unstructure() breaks static boolean structure_allowShortening = false; static String structure_1(Object o, int stringSizeLimit, IdentityHashMap seen, HashSet refd) { if (o == null) return "null"; // these are never back-referenced (for readability) if (o instanceof String) return quote(stringSizeLimit != 0 ? shorten((String) o, stringSizeLimit) : (String) o); if (o instanceof BigInteger) return "bigint(" + o + ")"; if (o instanceof Double) return "d(" + quote(str(o)) + ")"; if (o instanceof Long) return o + "L"; if (o instanceof Integer) return str(o); if (o instanceof Boolean) return ((Boolean) o).booleanValue() ? "t" : "f"; Integer ref = seen.get(o); if (ref != null) { refd.add(ref); return "r" + ref; } ref = seen.size()+1; seen.put(o, ref); String r = "m" + ref + " "; // marker String name = o.getClass().getName(); StringBuilder buf = new StringBuilder(); if (o instanceof HashSet) return r + "hashset " + structure_1(new ArrayList((Set) o), stringSizeLimit, seen, refd); if (o instanceof TreeSet) return r + "treeset " + structure_1(new ArrayList((Set) o), stringSizeLimit, seen, refd); if (o instanceof Collection) { for (Object x : (Collection) o) { if (buf.length() != 0) buf.append(", "); buf.append(structure_1(x, stringSizeLimit, seen, refd)); } return r + "[" + buf + "]"; } if (o instanceof Map) { for (Object e : ((Map) o).entrySet()) { if (buf.length() != 0) buf.append(", "); buf.append(structure_1(((Map.Entry) e).getKey(), stringSizeLimit, seen, refd)); buf.append("="); buf.append(structure_1(((Map.Entry) e).getValue(), stringSizeLimit, seen, refd)); } return r + (o instanceof HashMap ? "hashmap" : "") + "{" + 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_1(Array.get(o, i), stringSizeLimit, seen, refd)); } return r + "array{" + buf + "}"; } if (o instanceof Class) return r + "class(" + quote(((Class) o).getName()) + ")"; if (o instanceof Throwable) return r + "exception(" + quote(((Throwable) o).getMessage()) + ")"; if (o instanceof BitSet) { BitSet bs = (BitSet) o; for (int i = bs.nextSetBit(0); i >= 0; i = bs.nextSetBit(i+1)) { if (buf.length() != 0) buf.append(", "); buf.append(i); } return "bitset{" + buf + "}"; } // Need more cases? This should cover all library classes... if (name.startsWith("java.") || name.startsWith("javax.")) return r + String.valueOf(o); String shortName = o.getClass().getName().replaceAll("^main\\$", ""); if (shortName.equals("Lisp")) { buf.append("l(" + structure_1(getOpt(o, "head"), stringSizeLimit, seen, refd)); List args = (List) ( getOpt(o, "args")); if (nempty(args)) for (int i = 0; i < l(args); i++) { buf.append(", "); Object arg = args.get(i); // sweet shortening if (arg != null && eq(arg.getClass().getName(), "main$Lisp") && isTrue(call(arg, "isEmpty"))) arg = get(arg, "head"); buf.append(structure_1(arg, stringSizeLimit, seen, refd)); } buf.append(")"); return r + str(buf); } int numFields = 0; String fieldName = ""; if (shortName.equals("DynamicObject")) { shortName = (String) get(o, "className"); Map fieldValues = (Map) get(o, "fieldValues"); for (String _fieldName : fieldValues.keySet()) { fieldName = _fieldName; Object value = fieldValues.get(fieldName); if (value != null) { if (buf.length() != 0) buf.append(", "); buf.append(fieldName + "=" + structure_1(value, stringSizeLimit, seen, refd)); } ++numFields; } } else { // regular class Class c = o.getClass(); while (c != Object.class) { Field[] fields = c.getDeclaredFields(); for (Field field : fields) { if ((field.getModifiers() & Modifier.STATIC) != 0) continue; fieldName = field.getName(); // skip outer object reference if (fieldName.indexOf("$") >= 0) continue; Object value; try { field.setAccessible(true); value = field.get(o); } catch (Exception e) { value = "?"; } // put special cases here... if (value != null) { if (buf.length() != 0) buf.append(", "); buf.append(fieldName + "=" + structure_1(value, stringSizeLimit, seen, refd)); } ++numFields; } c = c.getSuperclass(); } } 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 r + s; } // drop unused markers static String structure_2(String s, HashSet refd) { List tok = javaTok(s); StringBuilder out = new StringBuilder(); for (int i = 1; i < l(tok); i += 2) { String t = tok.get(i); if (t.startsWith("m") && isInteger(t.substring(1)) && !refd.contains(parseInt(t.substring(1)))) continue; out.append(t).append(tok.get(i+1)); } return str(out); } 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 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)); } static Map getBracketMap(List tok) { Map map = new HashMap(); List stack = new ArrayList(); for (int i = 1; i < l(tok); i+= 2) { if (litlist("{", "(").contains(tok.get(i))) stack.add(i); else if (litlist("}", ")").contains(tok.get(i))) { if (!empty(stack)) map.put(liftLast(stack), i); } } return map; } 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 String quote(char c) { return quote("" + c); } static String shorten(String s, int max) { if (s == null) return ""; return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "..."; } static String str(Object o) { return String.valueOf(o); } static List emptyList() { return Collections.emptyList(); } static ArrayList litlist(A... a) { return new ArrayList(Arrays.asList(a)); } 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(); } static boolean isEmpty(Collection c) { return c == null || c.isEmpty(); } static boolean isEmpty(String s) { return s == null || s.length() == 0; } static boolean nempty(Collection c) { return !isEmpty(c); } static boolean nempty(String s) { return !isEmpty(s); } static boolean isTrue(Object o) { return booleanValue(o); } static Object getOpt(Object o, String field) { if (o instanceof String) o = getBot ((String) o); if (o == null) return null; if (o instanceof Class) return getOpt((Class) o, field); if (o.getClass().getName().equals("main$DynamicObject")) return call(getOpt_raw(o, "fieldValues"), "get", field); if (o instanceof Map) return ((Map) o).get(field); return getOpt_raw(o, field); } static Object getOpt_raw(Object o, String field) { try { Field f = getOpt_findField(o.getClass(), field); if (f == null) return null; f.setAccessible(true); return f.get(o); } catch (Exception e) { throw new RuntimeException(e); } } static Object getOpt(Class c, String field) { try { Field f = getOpt_findStaticField(c, field); if (f == null) return null; f.setAccessible(true); return f.get(null); } catch (Exception e) { throw new RuntimeException(e); } } static Field getOpt_findStaticField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static Field getOpt_findField(Class c, String field) { Class _c = c; do { for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field)) return f; _c = _c.getSuperclass(); } while (_c != null); return null; } static Object getBot(String botID) { return call(getMainBot(), "getBot", botID); } static boolean isNonNegativeInteger(String s) { return s != null && Pattern.matches("\\d+", s); } // This is made for NL parsing. // It's javaTok extended with "..." token, "$n" and "#n" and // special quotes (which are converted to normal ones). 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 == '\u201C' || c == '\u201D') c = '"'; // normalize quotes if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { char _c = s.charAt(j); if (_c == '\u201C' || _c == '\u201D') _c = '"'; // normalize quotes if (_c == opener) { ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } if (j-1 >= i+1) { tok.add(opener + s.substring(i+1, j-1) + opener); i = j; continue; } } 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 (cc.equals("[=") && 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 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 boolean booleanValue(Object o) { return eq(true, o); } static Object mainBot; static Object getMainBot() { return mainBot; } 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)); } String fsi() { return fsi(0); } 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 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.endsWith("\"") ? s.length()-1 : s.length()); 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 formatSnippetID(String id) { return "#" + parseSnippetID(id); } static String formatSnippetID(long id) { return "#" + id; } 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 String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return "" + parseLong(snippetID); } static long parseLong(String s) { return Long.parseLong(s); } }