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.*;
import x30_pkg.x30_util;
import static x30_pkg.x30_util.VF1;
import static x30_pkg.x30_util.l;
import static x30_pkg.x30_util.empty;
import static x30_pkg.x30_util.nempty;
import static x30_pkg.x30_util.fail;
import static x30_pkg.x30_util.indexOf;
import static x30_pkg.x30_util.getOpt;
import static x30_pkg.x30_util.setOpt;
import static x30_pkg.x30_util.callOpt;
import static x30_pkg.x30_util.newWeakHashMap;
import static x30_pkg.x30_util.newDangerousWeakHashMap;
import static x30_pkg.x30_util.get;
import static x30_pkg.x30_util.get_raw;
import static x30_pkg.x30_util.assertTrue;
import static x30_pkg.x30_util.isHeadless;
import static x30_pkg.x30_util.isAndroid;
import static x30_pkg.x30_util.isTrue;
import static x30_pkg.x30_util.asList;
import x30_pkg.x30_util.DynamicObject;
import loadableUtils.utils;
import static loadableUtils.utils.print_byThread;
import static loadableUtils.utils._threadInfo;
import static loadableUtils.utils._threadInheritInfo;
import static loadableUtils.utils._threadInfo_addMakerAndRetriever;
import static loadableUtils.utils.dm_currentModule;
import static loadableUtils.utils.dm_current_mandatory;
import static loadableUtils.utils.match;
import static loadableUtils.utils.getOpt_raw;
import static loadableUtils.utils.setOpt_raw;
import static loadableUtils.utils.getField;
import static loadableUtils.utils.fieldType;
import static loadableUtils.utils.format3;
import static loadableUtils.utils.vm_generalIdentityHashSet;
import static loadableUtils.utils.vm_generalHashMap;
import static loadableUtils.utils.vm_generalWeakSubMap;
import static loadableUtils.utils.bindToComponent;
import static loadableUtils.utils.struct;
import static loadableUtils.utils.structure;
import static loadableUtils.utils.loadPage;
import static loadableUtils.utils.loadPageSilentlyWithTimeout;
import static loadableUtils.utils.loadPageSilently;
import static loadableUtils.utils.loadSnippet;
import static loadableUtils.utils.loadSnippetQuietly;
import static loadableUtils.utils.sendToLocalBot;
import static loadableUtils.utils.componentPopupMenu;
import static loadableUtils.utils.componentPopupMenu_top;
import static loadableUtils.utils.componentPopupMenu_getEvent;
import static loadableUtils.utils.listPopupMenu;
import static loadableUtils.utils.tablePopupMenu;
import static loadableUtils.utils.sexyTableWithoutDrag;
import static loadableUtils.utils.dm_current_generic;
import static loadableUtils.utils.dm_current_mandatory_generic;
import static loadableUtils.utils.cset;
import static loadableUtils.utils.DynamicObject_loading;
import static loadableUtils.utils.concepts_unlisted;
import static loadableUtils.utils.makePopupMenuConditional;
import static loadableUtils.utils.makeConceptsTable_idWidth;
import static loadableUtils.utils.showConceptsTable_afterUpdate;
import static loadableUtils.utils.dynamicObjectIsLoading;
import loadableUtils.utils.F0;
import loadableUtils.utils.F1;
import loadableUtils.utils.Matches;
import loadableUtils.utils.BetterLabel;
import loadableUtils.utils.SingleComponentPanel;
import loadableUtils.utils.Snippet;
import loadableUtils.utils.Q;
import loadableUtils.utils.ImageSurface;
import loadableUtils.utils.structure_Data;
import loadableUtils.utils.RGBImage;
import loadableUtils.utils.BWImage;
import loadableUtils.utils.MakesBufferedImage;
import loadableUtils.utils.Concept;
import loadableUtils.utils.Concepts;
import loadableUtils.utils.IConceptIndex;
import loadableUtils.utils.IFieldIndex;
import loadableUtils.utils.Derefable;
import loadableUtils.utils.ImageSurfaceSelector;
import loadableUtils.utils.SimpleCRUD;
import loadableUtils.utils.PersistableThrowable;
import loadableUtils.utils.DynModule;
import loadableUtils.utils.DynPrintLog;
import loadableUtils.utils.DynObjectTable;
import loadableUtils.utils.DynImageSurface;
import loadableUtils.utils.DynCalculatedList;
import javax.swing.tree.*;
import java.awt.datatransfer.StringSelection;
import javax.imageio.metadata.*;
import javax.imageio.stream.*;
import javax.swing.undo.UndoManager;
import javax.net.ssl.*;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import java.text.SimpleDateFormat;
import java.text.NumberFormat;
import java.nio.file.Files;
import java.nio.file.Path;

class main {

  public static class Entry {

    public String line;

    public transient GazelleTree treeNode;
  }

  public static boolean _moduleClass_ListeningComprehension;

  public static class ListeningComprehension extends DynObjectTable<Entry> {

    public String processedInput, text;

    public transient ReliableSingleThread rstCalc = dm_rstWithPostDelay(this, new Runnable() {

      public void run() {
        try {
          calc();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "calc();";
      }
    }, 500);

    public transient int maxResults = 500;

    public transient boolean skipBadPredictions = true;

    public transient JTree jTree;

    public transient GazelleTree root;

    public transient double qualityCutOff = -0.75;

    public transient JLabel lblInfo;

    public transient Set<String> linesSet;

    public String switchableFields() {
      return "skipBadPredictions maxResults";
    }

    public void enhanceFrame(Container f) {
      super.enhanceFrame(f);
      internalFrameIcon(f, gazelle_frameIcon());
    }

    public void start() {
      super.start();
      hideFields("treeNode");
      dm_vmBus_onMessage("gazelleRulesChanged", rstCalc);
    }

    public JComponent visualize() {
      jTree = jDynamicTree(null, new F1<GazelleTree, List<GazelleTree>>() {

        public List<GazelleTree> get(GazelleTree tree) {
          try {
            AutoCloseable __6 = enter();
            try {
              return dm_gazelle_getChildren(tree, "qualityCutOff", qualityCutOff, "dialogHistory", tlft(text));
            } finally {
              _close(__6);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "temp enter();\r\n      ret dm_gazelle_getChildren(tree, +qualityCutOff, dialogH...";
        }
      }, "makeChildrenIsFast", false);
      onTreeSelectionChanged(jTree, new Runnable() {

        public void run() {
          try {
            updateInfo();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "updateInfo();";
        }
      });
      treePopupMenu(jTree, new VF2<JPopupMenu, GazelleTree>() {

        public void get(JPopupMenu menu, final GazelleTree e) {
          try {
            addMenuItem(menu, "Copy line", runnableThread(new Runnable() {

              public void run() {
                try {
                  copyTextToClipboard(e.line);
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "copyTextToClipboard(e.line)";
              }
            }));
            addMenuItem(menu, "Make rule...", runnableThread(new Runnable() {

              public void run() {
                try {
                  String s = e.line;
                  GazelleTree ee = e;
                  while ((ee = ee.parent) != null) s = ee.line + "\n+ " + s;
                  dm_gazelle_newRuleDialog_3(s, "in = dialog");
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "String s = e.line;\r\n        GazelleTree ee = e;\r\n        while ((ee = ee.pare...";
              }
            }));
            addMenuItem(menu, "Mark good", rMark("good"));
            addMenuItem(menu, "Mark bad", rMark("bad"));
            addMenuItem(menu, "Mark funny", rMark("funny"));
            addMenuItem(menu, "Enter", runnableThread(new Runnable() {

              public void run() {
                try {
                  List<String> history = e.history();
                  setField("text", lines(history));
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "List<String> history = e.history();\r\n        /*if (oddLength(history))\r\n     ...";
              }
            }));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "addMenuItem(menu, \"Copy line\", rThread { copyTextToClipboard(e.line) });\r\n   ...";
        }
      });
      return jvsplit(0.25, withMargin(withTitle("Input Text", onChange(dm_textArea("text"), rstCalc))), northCenterAndSouthWithMargins(rightAlignedButtons("Make rule...", runnableThread(new Runnable() {

        public void run() {
          try {
            dm_gazelle_newRuleDialog_2(firstLine(text));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "dm_gazelle_newRuleDialog_2(firstLine(text))";
        }
      })), jhsplit(withTitle("Gazelle Tree", jTree), withTitle("Generated Lines", super.visualize())), vstackWithSpacing(rightAlignedButtons(treeDependentButton(jTree, "Mark good", rMark("good")), treeDependentButton(jTree, "Mark bad", rMark("bad")), treeDependentButton(jTree, "Mark funny", rMark("funny")), jPopDownButton_noText("Export Rule Engine", runnableThread(new Runnable() {

        public void run() {
          try {
            exportEngine();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "exportEngine();";
        }
      }))), lblInfo = jlabel())));
    }

    public Runnable rMark(final String judgement) {
      return runnableThread(new Runnable() {

        public void run() {
          try {
            GazelleTree e = selectedNode();
            e.judgement = judgement;
            jTree_fireUserObjectChanged(jTree, e);
            saveEntry(e);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "GazelleTree e = selectedNode();\r\n      e.judgement = judgement;\r\n      jTree_...";
        }
      });
    }

    public GazelleTree selectedNode() {
      return (GazelleTree) jtree_selectedUserObject(jTree);
    }

    public void calc() {
      linesSet = syncLinkedHashSet();
      root = new GazelleTree(joinLinesWithBarOrPunctuation(text));
      GazelleEvalContext ctx = dm_gazelle_stdEvalContext();
      clear();
      ctx.onNewNode = addListener(ctx.onNewNode, new VF1<GazelleTree>() {

        public void get(GazelleTree t) {
          try {
            if (linesSet.add(t.line))
              add(nu(Entry.class, "line", t.line, "treeNode", t));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (linesSet.add(t.line))\r\n        add(nu Entry(line := t.line, treeNode := t));";
        }
      });
      root.setContext(ctx);
      jTree_setRootObject(jTree, root);
      jtree_collapseAndOpenRootNode(jTree);
      dm_gazelle_expandTree(root);
      processedInput = text;
    }

    public void saveEntry(GazelleTree e) {
      String modifiedRule = e.ctx.engine.formatForUser(e.mr.applyMapping().asText());
      dm_gazelle_saveAppliedRule("modifiedRule", modifiedRule, "judgement", e.judgement, "matchedRuleStruct", struct(e.mr));
    }

    public void updateInfo() {
      AutoCloseable __7 = enter();
      try {
        String s = " ";
        GazelleTree e = selectedNode();
        if (e != null && e.mr != null) {
          RuleEngine2.Rule r = e.mr.rule;
          s = "Rule: " + r.globalID + " (" + newLinesToSpaces_trim(r.text) + ")";
        }
        setText(lblInfo, s);
      } finally {
        _close(__7);
      }
    }

    public void exportEngine() {
      AutoCloseable __8 = enter();
      try {
        showText("Rule Engine", structWordWrap(root.ctx));
      } finally {
        _close(__8);
      }
    }
  }

  public static Object callF(Object f, Object... args) {
    try {
      if (f instanceof String)
        return callMC((String) f, args);
      return x30_util.callF(f, args);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A callF(F0<A> f) {
    return f == null ? null : f.get();
  }

  public static <A, B> B callF(F1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }

  public static <A, B, C> C callF(F2<A, B, C> f, A a, B b) {
    return f == null ? null : f.get(a, b);
  }

  public static <A> void callF(VF1<A> f, A a) {
    if (f != null)
      f.get(a);
  }

  public static Object callMC(String method, Object... args) {
    return call(mc(), method, args);
  }

  public static Object call(Object o) {
    return callF(o);
  }

  public static <A> A call(Object o, String method, Object... args) {
    return x30_util.call(o, method, args);
  }

  public static void _onLoad_initUtils() {
    utils.__javax = javax();
  }

  public static void _onLoad_defaultClassFinder() {
    setDefaultClassFinder(new F1<String, Class>() {

      public Class get(String name) {
        try {
          Class c = findClass_fullName(name);
          if (c != null)
            return c;
          if (startsWith(name, "main$"))
            return loadableUtils.utils.findClass_fullName("loadableUtils.utils" + substring(name, 4));
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Class c = findClass_fullName(name);\r\n    if (c != null) ret c;\r\n    if (start...";
      }
    });
  }

  public static String programID() {
    return getProgramID();
  }

  public static String programID(Object o) {
    return getProgramID(o);
  }

  public static volatile StringBuffer local_log = new StringBuffer();

  public static volatile Appendable print_log = local_log;

  public static volatile int print_log_max = 1024 * 1024;

  public static volatile int local_log_max = 100 * 1024;

  public static boolean print_silent;

  public static Object print_byThread_lock = new Object();

  public static volatile ThreadLocal<Object> print_byThread;

  public static volatile Object print_allThreads;

  public static void print() {
    print("");
  }

  public static <A> A print(String s, A o) {
    print((endsWithLetterOrDigit(s) ? s + ": " : s) + o);
    return o;
  }

  public static <A> A print(A o) {
    ping_okInCleanUp();
    if (print_silent)
      return o;
    String s = String.valueOf(o) + "\n";
    print_noNewLine(s);
    return o;
  }

  public static void print_noNewLine(String s) {
    Object f = print_byThread == null ? null : print_byThread.get();
    if (f == null)
      f = print_allThreads;
    if (f != null)
      if (isFalse(f instanceof F1 ? ((F1) f).get(s) : callF(f, s)))
        return;
    print_raw(s);
  }

  public static void print_raw(String s) {
    s = fixNewLines(s);
    Appendable loc = local_log;
    Appendable buf = print_log;
    int loc_max = print_log_max;
    if (buf != loc && buf != null) {
      print_append(buf, s, print_log_max);
      loc_max = local_log_max;
    }
    if (loc != null)
      print_append(loc, s, loc_max);
    System.out.print(s);
  }

  public static ReliableSingleThread dm_rstWithPostDelay(DynModule m, int delay, Runnable r) {
    return dm_rst(m, rstWithPostDelay(delay, r));
  }

  public static ReliableSingleThread dm_rstWithPostDelay(DynModule m, Runnable r, int delay) {
    return dm_rstWithPostDelay(m, delay, r);
  }

  public static ReliableSingleThread dm_rstWithPostDelay(DynModule m, double seconds, Runnable r) {
    return dm_rst(m, rstWithPostDelay(seconds, r));
  }

  public static RuntimeException rethrow(Throwable t) {
    if (t instanceof Error)
      _handleError((Error) t);
    throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
  }

  public static JInternalFrame internalFrameIcon(Component c, final String imageID) {
    final JInternalFrame frame = getInternalFrame(c);
    if (frame != null)
      startThread("Loading Icon", new Runnable() {

        public void run() {
          try {
            final Icon i = imageIcon(or2(imageID, "#1005557"));
            swingLater(new Runnable() {

              public void run() {
                try {
                  frame.setFrameIcon(i);
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "frame.setFrameIcon(i);";
              }
            });
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "final Icon i = imageIcon(or2(imageID, \"#1005557\"));\r\n    swingLater(new Runna...";
        }
      });
    return frame;
  }

  public static JInternalFrame internalFrameIcon(String imageID, Component c) {
    return internalFrameIcon(c, imageID);
  }

  public static String gazelle_frameIcon() {
    return "#1101487";
  }

  public static <A> AutoCloseable dm_vmBus_onMessage(final String msg, final VF1<A> onMessage) {
    return dm_ownResource(vmBus_onMessage(msg, onMessage));
  }

  public static <A, B> AutoCloseable dm_vmBus_onMessage(String msg, final VF2<A, B> onMessage) {
    return dm_ownResource(vmBus_onMessage(msg, onMessage));
  }

  public static AutoCloseable dm_vmBus_onMessage(String msg, Runnable onMessage) {
    return dm_ownResource(vmBus_onMessage(msg, onMessage));
  }

  public static <A, B extends Collection<A>> JTree jDynamicTree(final A root, final F1<A, B> makeChildren, final Object... optParams) {
    return swing(new F0<JTree>() {

      public JTree get() {
        try {
          DefaultMutableTreeNode rootNode = new DefaultMutableTreeNode(root);
          rootNode.add(new DefaultMutableTreeNode(jDynamicTree_dummy()));
          final JTree tree = new JTree(rootNode);
          tree.setShowsRootHandles(true);
          tree.collapseRow(0);
          final boolean keepChildrenOnCollapse = optParam(optParams, "keepChildrenOnCollapse", false);
          final boolean makeChildrenIsFast = optParam(optParams, "makeChildrenIsFast", false);
          final boolean debug = boolPar("debug", optParams);
          tree.addTreeWillExpandListener(new TreeWillExpandListener() {

            public void treeWillCollapse(TreeExpansionEvent e) {
            }

            public void treeWillExpand(TreeExpansionEvent e) {
              try {
                if (debug)
                  print("treeWillExpand");
                DefaultMutableTreeNode node = (DefaultMutableTreeNode) (e.getPath().getLastPathComponent());
                if (!keepChildrenOnCollapse || jDynamicTree_isInDummyState(node)) {
                  List<A> l = asList(callF(makeChildren, (A) node.getUserObject()));
                  if (makeChildrenIsFast ? replaceTreeNodeChildren_withDummyChild2(node, l, jDynamicTree_dummy(), makeChildren) : replaceTreeNodeChildren_withDummyChild(node, l, jDynamicTree_dummy()))
                    ((DefaultTreeModel) tree.getModel()).nodeStructureChanged(node);
                }
              } catch (Throwable __e) {
                _handleException(__e);
              }
            }
          });
          return tree;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "DefaultMutableTreeNode rootNode = new(root);\r\n    rootNode.add(new DefaultMut...";
      }
    });
  }

  public static List<GazelleTree> dm_gazelle_getChildren(GazelleTree tree, Object... __) {
    return gazelle_getChildren(tree, paramsPlus(__, "makeEvalContext", "dm_gazelle_stdEvalContext"));
  }

  public static List<String> tlft(String s) {
    return toLinesFullTrim(s);
  }

  public static List<String> tlft(File f) {
    return toLinesFullTrim(f);
  }

  public static void _close(AutoCloseable c) {
    if (c != null)
      try {
        c.close();
      } catch (Throwable e) {
        if (c instanceof javax.imageio.stream.ImageOutputStream)
          return;
        else
          throw rethrow(e);
      }
  }

  public static void onTreeSelectionChanged(final JTree tree, final Runnable r) {
    if (tree != null && r != null) {
      swing(new Runnable() {

        public void run() {
          try {
            tree.addTreeSelectionListener(new TreeSelectionListener() {

              public void valueChanged(TreeSelectionEvent e) {
                pcallF(r);
              }
            });
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "tree.addTreeSelectionListener(new TreeSelectionListener {\r\n      public void ...";
        }
      });
    }
  }

  public static <A> void treePopupMenu(final JTree tree, final VF2<JPopupMenu, A> fillMenu) {
    componentPopupMenu2(tree, new VF2<JTree, JPopupMenu>() {

      public void get(JTree tree, JPopupMenu menu) {
        try {
          MouseEvent evt = componentPopupMenu_getEvent();
          TreePath path = tree.getPathForLocation(evt.getX(), evt.getY());
          if (path == null)
            return;
          DefaultMutableTreeNode node = (DefaultMutableTreeNode) (path.getLastPathComponent());
          tree.setSelectionPath(path);
          A a = (A) (node.getUserObject());
          callF(fillMenu, menu, a);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "MouseEvent evt = componentPopupMenu_getEvent();\r\n    TreePath path = tree.get...";
      }
    });
  }

  public static void addMenuItem(JPopupMenu menu, String text, Object action) {
    menu.add(jmenuItem(text, action));
  }

  public static void addMenuItem(JPopupMenu menu, JMenuItem menuItem) {
    menu.add(menuItem);
  }

  public static void addMenuItem(JMenu menu, String text, Object action) {
    menu.add(jmenuItem(text, action));
  }

  public static void addMenuItem(Menu menu, String text, Object action) {
    menu.add(menuItem(text, action));
  }

  public static void addMenuItem(JMenu menu, JMenuItem menuItem) {
    menu.add(menuItem);
  }

  public static Runnable runnableThread(final Runnable r) {
    return new Runnable() {

      public void run() {
        try {
          startThread(r);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "startThread(r)";
      }
    };
  }

  public static String copyTextToClipboard(Object _text) {
    String text = str(_text);
    StringSelection selection = new StringSelection(text);
    Toolkit.getDefaultToolkit().getSystemClipboard().setContents(selection, selection);
    vmBus_send("newClipboardContents", text);
    return text;
  }

  public static void dm_gazelle_newRuleDialog_3(String in) {
    dm_gazelle_newRuleDialog_3(in, "");
  }

  public static void dm_gazelle_newRuleDialog_3(String in, String comments) {
    String out = dropPrefixTrim("+", lastLine(in));
    final JTextArea taRule = typeWriterTextArea(in + "\n=> " + out);
    final JTextArea taComments = typeWriterTextArea(comments);
    showFormTitled2("New Gazelle Rule", "Rule", taRule, "Comments", taComments, new Runnable() {

      public void run() {
        try {
          Pair<String, Boolean> p = dm_gazelle_addRuleWithComment(getText(taRule), getText(taComments));
          infoBox(p.b ? "Rule " + p.a + " added" : "Rule already there: " + p.a);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Pair<String, Boolean> p = dm_gazelle_addRuleWithComment(getText(taRule), getT...";
      }
    });
  }

  public static String lines(Collection lines) {
    return fromLines(lines);
  }

  public static List<String> lines(String s) {
    return toLines(s);
  }

  public static JSplitPane jvsplit(Component n, Component s) {
    return jvsplit(n, s, 0.5);
  }

  public static JSplitPane jvsplit(Component n, Component s, double splitPoint, int delay) {
    return jvsplit(n, s, splitPoint);
  }

  public static JSplitPane jvsplit(Component n, Component s, double splitPoint) {
    return setSplitPaneOnFirstShowing(swingNu(JSplitPane.class, JSplitPane.VERTICAL_SPLIT, wrap(n), wrap(s)), splitPoint);
  }

  public static JSplitPane jvsplit(double splitPoint, Component n, Component s) {
    return jvsplit(n, s, splitPoint);
  }

  public static int withMargin_defaultWidth = 6;

  public static JPanel withMargin(Component c) {
    return withMargin(withMargin_defaultWidth, c);
  }

  public static JPanel withMargin(int w, Component c) {
    return withMargin(w, w, c);
  }

  public static JPanel withMargin(int w, int h, Component c) {
    return withMargin(w, h, w, h, c);
  }

  public static JPanel withMargin(final int top, final int left, final int bottom, final int right, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel p = new JPanel(new BorderLayout());
          p.setBorder(BorderFactory.createEmptyBorder(top, left, bottom, right));
          p.add(c);
          return p;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat...";
      }
    });
  }

  public static JComponent withTitle(String title, Component c) {
    return withTitle(withTitle_titlePanel(title), c);
  }

  public static JComponent withTitle_titlePanel(String title) {
    return jlabel(title);
  }

  public static JPanel withTitle(final JComponent titleComponent, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          titleComponent.setBorder(BorderFactory.createMatteBorder(0, 0, 1, 0, UIManager.getColor("Button.borderColor")));
          JPanel panel = new JPanel(new BorderLayout());
          panel.setBackground(Color.WHITE);
          panel.add(BorderLayout.NORTH, titleComponent);
          panel.add(BorderLayout.CENTER, wrap(c));
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "titleComponent.setBorder(BorderFactory.createMatteBorder(0, 0, 1, 0, UIManage...";
      }
    });
  }

  public static void onChange(JSpinner spinner, Object r) {
    spinner.addChangeListener(changeListener(r));
  }

  public static <A extends AbstractButton> A onChange(A b, Object r) {
    b.addItemListener(itemListener(r));
    return b;
  }

  public static void onChange(JTextComponent tc, Object r) {
    onUpdate(tc, r);
  }

  public static void onChange(final JSlider slider, final Object r) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            slider.addChangeListener(changeListener(r));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "slider.addChangeListener(changeListener(r));";
        }
      });
    }
  }

  public static void onChange(JComboBox cb, final Object r) {
    if (isEditableComboBox(cb))
      onChange(textFieldFromComboBox(cb), r);
    else
      onSelectedItem(cb, new VF1<String>() {

        public void get(String s) {
          try {
            callF(r);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "callF(r)";
        }
      });
  }

  public static JTextArea dm_textArea(String field) {
    return dm_fieldTextArea(field);
  }

  public static JPanel northCenterAndSouthWithMargins(Component n, Component c, Component s) {
    return applyDefaultMargin(northCenterAndSouth(withBottomMargin(n), c, withTopMargin(s)));
  }

  public static JPanel rightAlignedButtons(Object... params) {
    return jRightAlignedButtons(params);
  }

  public static void dm_gazelle_newRuleDialog_2(String in) {
    dm_gazelle_newRuleDialog_2(in, dropPrefixTrim("+", lastLine(in)));
  }

  public static void dm_gazelle_newRuleDialog_2(String in, String out) {
    inputMultiLineText("New Gazelle Rule", in + "\n=> " + out, new VF1<String>() {

      public void get(String s) {
        try {
          Pair<String, Boolean> p = dm_gazelle_addRule(s);
          infoBox(p.b ? "Rule " + p.a + " added" : "Rule already there: " + p.a);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Pair<S, Bool> p = dm_gazelle_addRule(s);\r\n      infoBox(p.b ? \"Rule \" + p.a +...";
      }
    });
  }

  public static String firstLine(String text) {
    if (text == null)
      return null;
    int i = text.indexOf('\n');
    return i >= 0 ? text.substring(0, i) : text;
  }

  public static JSplitPane jhsplit(Component l, Component r) {
    return jhsplit(l, r, 0.5);
  }

  public static JSplitPane jhsplit(Component l, Component r, double splitPoint, int delay) {
    return jhsplit(l, r, splitPoint);
  }

  public static JSplitPane jhsplit(Component l, Component r, double splitPoint) {
    return setSplitPaneOnFirstShowing(swingNu(JSplitPane.class, JSplitPane.HORIZONTAL_SPLIT, wrap(l), wrap(r)), splitPoint);
  }

  public static int vstackWithSpacing_default = 10;

  public static JPanel vstackWithSpacing(final List parts) {
    return vstackWithSpacing(parts, vstackWithSpacing_default);
  }

  public static JPanel vstackWithSpacing(final List parts, final int spacing) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel panel = new JPanel(new GridBagLayout());
          GridBagConstraints gbc = new GridBagConstraints();
          gbc.weightx = 1;
          gbc.fill = GridBagConstraints.HORIZONTAL;
          gbc.gridwidth = GridBagConstraints.REMAINDER;
          gbc.insets = new Insets(spacing / 2, 0, spacing / 2, 0);
          smartAddWithLayout(panel, gbc, toObjectArray(nonNulls(parts)));
          gbc.weighty = 1;
          gbc.insets = new Insets(0, 0, 0, 0);
          panel.add(jrigid(), gbc);
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel panel = new JPanel(new GridBagLayout);\r\n    new GridBagConstraints gbc...";
      }
    });
  }

  public static JPanel vstackWithSpacing(Component... parts) {
    return vstackWithSpacing(asList(parts), vstackWithSpacing_default);
  }

  public static JButton treeDependentButton(JTree tree, String text, Object action) {
    return treeDependButton(tree, jbutton(text, action));
  }

  public static JButton jPopDownButton_noText(final Object... menuParams) {
    return jPopDownButton("", menuParams);
  }

  public static JLabel jlabel(final String text) {
    return swingConstruct(BetterLabel.class, text);
  }

  public static JLabel jlabel() {
    return jlabel(" ");
  }

  public static void jTree_fireUserObjectChanged(final JTree tree, final Object o) {
    if (tree == null || o == null)
      return;
    {
      swing(new Runnable() {

        public void run() {
          try {
            DefaultMutableTreeNode node = jDynamicTree_findNode(tree, o);
            if (node == null)
              return;
            DefaultTreeModel model = (DefaultTreeModel) (tree.getModel());
            model.nodeChanged(node);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "DefaultMutableTreeNode node = jDynamicTree_findNode(tree, o);\r\n    if (node =...";
        }
      });
    }
  }

  public static Object jtree_selectedUserObject(JTree tree) {
    Object node = getSelectedTreeNode(tree);
    if (node instanceof DefaultMutableTreeNode)
      return ((DefaultMutableTreeNode) node).getUserObject();
    return null;
  }

  public static <A> Set<A> syncLinkedHashSet() {
    return synchroLinkedHashSet();
  }

  public static String joinLinesWithBarOrPunctuation(String text) {
    List<String> lines = tlft(text);
    StringBuilder buf = new StringBuilder();
    String sep = "";
    for (String s : lines) {
      buf.append(sep).append(s);
      if (endsWithPunctuation(s))
        sep = " ";
      else
        sep = " | ";
    }
    return str(buf);
  }

  public static GazelleEvalContext dm_gazelle_stdEvalContext() {
    return dm_gazelle_stdEvalContext(dm_allRulesFromRulesModuleWithCommentsAndIDs());
  }

  public static GazelleEvalContext dm_gazelle_stdEvalContext(List<T3<String, String, String>> rules) {
    GazelleEvalContext ctx = gazelle_stdEvalContext(rules);
    ctx.engine.callFunctionOnString = new F2<String, String, Object>() {

      public Object get(String function, String s) {
        try {
          return dm_callFunctionOnString(function, s);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "dm_callFunctionOnString(function, s)";
      }
    };
    return ctx;
  }

  public static void clear(Collection c) {
    if (c != null)
      c.clear();
  }

  public static <A> List<A> addListener(List<A> list, A a) {
    return createOrAddToSyncList(list, a);
  }

  public static void add(BitSet bs, int i) {
    bs.set(i);
  }

  public static <A> boolean add(Collection<A> c, A a) {
    return c != null && c.add(a);
  }

  public static void add(Container c, Component x) {
    addToContainer(c, x);
  }

  public static <A> A nu(Class<A> c, Object... values) {
    A a = nuObject(c);
    setAll(a, values);
    return a;
  }

  public static void jTree_setRootObject(final JTree tree, final Object root) {
    if (tree != null) {
      swing(new Runnable() {

        public void run() {
          try {
            ((DefaultTreeModel) tree.getModel()).setRoot(jTree_defaultNode_withDummyChild(root));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "((DefaultTreeModel) tree.getModel()).setRoot(jTree_defaultNode_withDummyChild...";
        }
      });
    }
  }

  public static JTree jtree_collapseAndOpenRootNode(final JTree tree) {
    if (tree != null) {
      swing(new Runnable() {

        public void run() {
          try {
            TreePath rootPath = new TreePath(jDynamicTree_root(tree));
            tree.collapsePath(rootPath);
            tree.expandPath(rootPath);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "TreePath rootPath = new(jDynamicTree_root(tree));\r\n    tree.collapsePath(root...";
        }
      });
    }
    return tree;
  }

  public static void dm_gazelle_expandTree(GazelleTree tree) {
    dm_gazelle_expandTree(tree, 10);
  }

  public static void dm_gazelle_expandTree(GazelleTree tree, int maxLevel) {
    if (maxLevel <= 0 || tree == null)
      return;
    if (tree.ctx == null)
      tree.ctx = dm_gazelle_stdEvalContext();
    for (GazelleTree t : dm_gazelle_getChildren(tree)) dm_gazelle_expandTree(t, maxLevel - 1);
  }

  public static void dm_gazelle_saveAppliedRule(Object... params) {
    dm_requireAndCall("#1021413/AppliedRules", "uniqConcept", (Object) params);
  }

  public static String newLinesToSpaces_trim(String s) {
    return s == null ? null : trim(s).replaceAll("\\s*\r?\n\\s*", " ");
  }

  public static boolean setText_opt = true;

  public static <A extends JTextComponent> A setText(A c, Object text) {
    setText((Object) c, text);
    return c;
  }

  public static <A extends JComboBox> A setText(final A c, Object text) {
    final String s = strUnnull(text);
    {
      swing(new Runnable() {

        public void run() {
          try {
            c.getEditor().setItem(s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.getEditor().setItem(s);";
        }
      });
    }
    return c;
  }

  public static void setText(JLabel c, Object text) {
    setText((Object) c, text);
  }

  public static JButton setText(JButton c, Object text) {
    setText((Object) c, jlabel_textAsHTML_center_ifNeeded(strUnnull(text)));
    return c;
  }

  public static <A> A setText(final A c, Object text) {
    if (c == null)
      return null;
    final String s = strUnnull(text);
    {
      swing(new Runnable() {

        public void run() {
          try {
            if (!setText_opt || neq(callOpt(c, "getText"), s))
              call(c, "setText", s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (!setText_opt || neq(callOpt(c, \"getText\"), s))\r\n      call(c, \"setText\", s);";
        }
      });
    }
    return c;
  }

  public static JTextArea showText(final String title, Object text) {
    return showText(null, title, text);
  }

  public static JTextArea showText(JTextArea ta, final String title, Object text) {
    final String _text = str(text);
    if (ta != null)
      return activateFrameAndReturnComponent(setFrameTitle(title, setText(ta, _text)));
    return swing(new F0<JTextArea>() {

      public JTextArea get() {
        try {
          JTextArea textArea = newTypeWriterTextArea(_text);
          makeFrame(title, new JScrollPane(textArea));
          return textArea;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JTextArea textArea = newTypeWriterTextArea(_text);\r\n    makeFrame(title, new ...";
      }
    });
  }

  public static JTextArea showText(Object text) {
    return showText(str(text));
  }

  public static JTextArea showText(String text) {
    return showText(autoFrameTitle(), text);
  }

  public static JTextArea showText() {
    return showText("");
  }

  public static String structWordWrap(Object o) {
    return javaTokWordWrap(struct(o));
  }

  public static Class mc() {
    return main.class;
  }

  public static Class javax() {
    return getJavaX();
  }

  public static void setDefaultClassFinder(Object cf) {
    _defaultClassFinder_value = cf;
  }

  public static HashMap<String, Class> findClass_fullName_cache = new HashMap();

  public static Class findClass_fullName(String name) {
    synchronized (findClass_fullName_cache) {
      if (findClass_fullName_cache.containsKey(name))
        return findClass_fullName_cache.get(name);
      Class c;
      try {
        c = Class.forName(name);
      } catch (ClassNotFoundException e) {
        c = null;
      }
      findClass_fullName_cache.put(name, c);
      return c;
    }
  }

  public static boolean startsWith(String a, String b) {
    return a != null && a.startsWith(b);
  }

  public static boolean startsWith(String a, char c) {
    return nemptyString(a) && a.charAt(0) == c;
  }

  public static boolean startsWith(String a, String b, Matches m) {
    if (!startsWith(a, b))
      return false;
    m.m = new String[] { substring(a, strL(b)) };
    return true;
  }

  public static boolean startsWith(List a, List b) {
    if (a == null || listL(b) > listL(a))
      return false;
    for (int i = 0; i < listL(b); i++) if (neq(a.get(i), b.get(i)))
      return false;
    return true;
  }

  public static String substring(String s, int x) {
    return substring(s, x, strL(s));
  }

  public static String substring(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);
  }

  public static Object _defaultClassFinder_value;

  public static Object _defaultClassFinder() {
    return _defaultClassFinder_value;
  }

  public static String programID;

  public static String getProgramID() {
    return nempty(programID) ? formatSnippetIDOpt(programID) : "?";
  }

  public static String getProgramID(Class c) {
    String id = (String) getOpt(c, "programID");
    if (nempty(id))
      return formatSnippetID(id);
    return "?";
  }

  public static String getProgramID(Object o) {
    return getProgramID(getMainClass(o));
  }

  public static boolean endsWithLetterOrDigit(String s) {
    return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length() - 1));
  }

  public static void ping_okInCleanUp() {
    if (ping_pauseAll || ping_anyActions)
      ping_impl(true);
  }

  public static boolean isFalse(Object o) {
    return eq(false, o);
  }

  public static String fixNewLines(String s) {
    int i = indexOf(s, '\r');
    if (i < 0)
      return s;
    int l = s.length();
    StringBuilder out = new StringBuilder(l);
    out.append(s, 0, i);
    for (; i < l; i++) {
      char c = s.charAt(i);
      if (c != '\r')
        out.append(c);
      else {
        out.append('\n');
        if (i + 1 < l && s.charAt(i + 1) == '\n')
          ++i;
      }
    }
    return out.toString();
  }

  public static void print_append(Appendable _buf, String s, int max) {
    try {
      synchronized (_buf) {
        _buf.append(s);
        if (!(_buf instanceof StringBuilder))
          return;
        StringBuilder buf = (StringBuilder) (_buf);
        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);
          }
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static ReliableSingleThread dm_rst(DynModule mod, Runnable r) {
    return dm_rst(mod, new ReliableSingleThread(r));
  }

  public static ReliableSingleThread dm_rst(DynModule mod, ReliableSingleThread rst) {
    rst.enter = dm_rEnter(mod);
    return rst;
  }

  public static ReliableSingleThread rstWithPostDelay(final int delay, final Runnable r) {
    return new ReliableSingleThread(new Runnable() {

      public void run() {
        try {
          pcallF(r);
          sleep(delay);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "pcallF(r);\r\n    sleep(delay);";
      }
    });
  }

  public static ReliableSingleThread rstWithPostDelay(double seconds, Runnable r) {
    return rstWithPostDelay(toMS_int(seconds), r);
  }

  public static void _handleError(Error e) {
    call(javax(), "_handleError", e);
  }

  public static JInternalFrame getInternalFrame(final Object _o) {
    return _o == null ? null : swing(new F0<JInternalFrame>() {

      public JInternalFrame get() {
        try {
          Object o = _o;
          if (o instanceof ButtonGroup)
            o = first(buttonsInGroup((ButtonGroup) o));
          if (!(o instanceof Component))
            return null;
          Component c = (Component) o;
          while (c != null) {
            if (c instanceof JInternalFrame)
              return (JInternalFrame) c;
            c = c.getParent();
          }
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "O o = _o;\r\n    if (o instanceof ButtonGroup) o = first(buttonsInGroup((Button...";
      }
    });
  }

  public static Thread startThread(Object runnable) {
    return startThread(defaultThreadName(), runnable);
  }

  public static Thread startThread(String name, Object runnable) {
    runnable = wrapAsActivity(runnable);
    return startThread(newThread(toRunnable(runnable), name));
  }

  public static Thread startThread(Thread t) {
    _registerThread(t);
    t.start();
    return t;
  }

  public static int imageIcon_cacheSize = 10;

  public static boolean imageIcon_verbose;

  public static Map<String, ImageIcon> imageIcon_cache;

  public static Lock imageIcon_lock = lock();

  public static ThreadLocal<Boolean> imageIcon_fixGIF = new ThreadLocal();

  public static ImageIcon imageIcon(String imageID) {
    try {
      if (imageID == null)
        return null;
      Lock __18 = imageIcon_lock;
      lock(__18);
      try {
        if (imageIcon_cache == null)
          imageIcon_cache = new MRUCache(imageIcon_cacheSize);
        imageID = fsI(imageID);
        ImageIcon ii = imageIcon_cache.get(imageID);
        if (ii == null) {
          if (imageIcon_verbose)
            print("Loading image icon: " + imageID);
          File f = loadBinarySnippet(imageID);
          Boolean b = imageIcon_fixGIF.get();
          if (!isFalse(b))
            ii = new ImageIcon(loadBufferedImageFixingGIFs(f));
          else
            ii = new ImageIcon(f.toURI().toURL());
        } else
          imageIcon_cache.remove(imageID);
        imageIcon_cache.put(imageID, ii);
        return ii;
      } finally {
        unlock(__18);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static ImageIcon imageIcon(File f) {
    try {
      return new ImageIcon(f.toURI().toURL());
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static ImageIcon imageIcon(Image img) {
    return new ImageIcon(img);
  }

  public static ImageIcon imageIcon(RGBImage img) {
    return imageIcon(img.getBufferedImage());
  }

  public static String or2(String a, String b) {
    return nempty(a) ? a : b;
  }

  public static String or2(String a, String b, String c) {
    return or2(or2(a, b), c);
  }

  public static void swingLater(long delay, final Object r) {
    javax.swing.Timer timer = new javax.swing.Timer(toInt(delay), actionListener(wrapAsActivity(r)));
    timer.setRepeats(false);
    timer.start();
  }

  public static void swingLater(Object r) {
    SwingUtilities.invokeLater(toRunnable(r));
  }

  public static AutoCloseable dm_ownResource(AutoCloseable resource) {
    dm_currentModuleMandatory().ownResource(resource);
    return resource;
  }

  public static <A> AutoCloseable vmBus_onMessage(final String msg, final VF1<A> onMessage) {
    Map<String, Set> map = vm_busListenersByMessage_live();
    synchronized (map) {
      Set listeners = map.get(msg);
      if (listeners == null)
        map.put(msg, listeners = syncIdentityHashSet());
      return tempAdd(listeners, new VF2<String, Object>() {

        public void get(String _msg, Object arg) {
          try {
            callF(onMessage, arg);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "callF(onMessage, arg)";
        }
      });
    }
  }

  public static <A, B> AutoCloseable vmBus_onMessage(String msg, final VF2<A, B> onMessage) {
    return vmBus_onMessage(msg, new VF1<Object[]>() {

      public void get(Object[] o) {
        try {
          callF(onMessage, first(o), second(o));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callF(onMessage, first(o), second(o));";
      }
    });
  }

  public static AutoCloseable vmBus_onMessage(String msg, Runnable onMessage) {
    return vmBus_onMessage(msg, runnableToVF1(onMessage));
  }

  public static Object swing(Object f) {
    return swingAndWait(f);
  }

  public static <A> A swing(F0<A> f) {
    return (A) swingAndWait(f);
  }

  public static String jDynamicTree_dummy_value = new String("<dummy>");

  public static String jDynamicTree_dummy() {
    return jDynamicTree_dummy_value;
  }

  public static <A> A optParam(ThreadLocal<A> tl, A defaultValue) {
    return optPar(tl, defaultValue);
  }

  public static <A> A optParam(ThreadLocal<A> tl) {
    return optPar(tl);
  }

  public static <A> A optParam(Object[] opt, String name, A defaultValue) {
    if (!even(l(opt)))
      throw fail("Odd parameter length");
    for (int i = 0; i < l(opt); i += 2) if (eq(opt[i], name))
      return (A) opt[i + 1];
    return defaultValue;
  }

  public static <A> A optParam(Object[] opt, String name) {
    return optParam(opt, name, null);
  }

  public static boolean boolPar(ThreadLocal<Boolean> tl) {
    return boolOptParam(tl);
  }

  public static boolean boolPar(Object[] __, String name) {
    return boolOptParam(__, name);
  }

  public static boolean boolPar(String name, Object[] __) {
    return boolOptParam(__, name);
  }

  public static boolean boolPar(String name, Object[] params, boolean defaultValue) {
    return optParam(params, name, defaultValue);
  }

  public static boolean jDynamicTree_isInDummyState(DefaultMutableTreeNode node) {
    return node.getChildCount() == 1 && ((DefaultMutableTreeNode) node.getChildAt(0)).getUserObject() == jDynamicTree_dummy();
  }

  public static <A> boolean replaceTreeNodeChildren_withDummyChild2(final DefaultMutableTreeNode node, final List<A> children, final Object dummyChild, final F1<A, ? extends Collection<A>> makeChildren) {
    if (node == null)
      return false;
    return swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          List oldChildren = mapMethod("getUserObject", node.children());
          if (eq(oldChildren, children))
            return false;
          node.removeAllChildren();
          for (A c : unnull(children)) {
            DefaultMutableTreeNode node2 = new DefaultMutableTreeNode(c);
            if (!empty(callF(makeChildren, c)))
              node2.add(new DefaultMutableTreeNode(dummyChild));
            node.add(node2);
          }
          return true;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "L oldChildren = mapMethod getUserObject(node.children());\r\n    if (eq(oldChil...";
      }
    });
  }

  public static boolean replaceTreeNodeChildren_withDummyChild(final DefaultMutableTreeNode node, final List children, final Object dummyChild) {
    if (node == null)
      return false;
    return swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          List oldChildren = mapMethod("getUserObject", node.children());
          if (eq(oldChildren, children))
            return false;
          node.removeAllChildren();
          for (Object c : unnull(children)) {
            DefaultMutableTreeNode node2 = new DefaultMutableTreeNode(c);
            node2.add(new DefaultMutableTreeNode(dummyChild));
            node.add(node2);
          }
          return true;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "L oldChildren = mapMethod('getUserObject, node.children());\r\n    if (eq(oldCh...";
      }
    });
  }

  public static volatile PersistableThrowable _handleException_lastException;

  public static List _handleException_onException = synchroList(ll("printStackTrace2"));

  public static void _handleException(Throwable e) {
    _handleException_lastException = persistableThrowable(e);
    Throwable e2 = innerException(e);
    if (e2.getClass() == RuntimeException.class && eq(e2.getMessage(), "Thread cancelled.") || e2 instanceof InterruptedException)
      return;
    for (Object f : cloneList(_handleException_onException)) try {
      callF(f, e);
    } catch (Throwable e3) {
      printStackTrace2(e3);
    }
  }

  public static List<GazelleTree> gazelle_getChildren(GazelleTree tree, Object... __) {
    if (tree == null)
      return null;
    if (tree.children != null)
      return tree.children;
    tree.children = new ArrayList();
    double qualityCutOff = optPar("qualityCutOff", __, -0.75);
    List<String> dialogHistory = optPar("dialogHistory", __);
    if (tree.ctx == null)
      tree.setContext(assertNotNull("evalContext", (GazelleEvalContext) callF(assertNotNull("makeEvalContext", optPar("makeEvalContext", __)))));
    GazelleEvalContext ctx = tree.ctx;
    RuleEngine2 engine = ctx.engine;
    Map<String, String> inputMap = litmap("standard", tree.line);
    List<String> history = concatLists(dialogHistory, tree.history());
    for (int i = 0; i < l(history); i++) inputMap.put("dialog-" + (l(history) - i), history.get(i));
    for (RuleEngine2.SimplifyWithRule rule : engine.splitterRules()) {
      try {
        Object f = rule.function();
        Collection<String> out = (Collection<String>) ((f instanceof String ? callF(engine.callFunctionOnString, (String) f, tree.line) : callF(f, tree.line)));
        if (l(out) < 2)
          continue;
        GazelleTree child = new GazelleTree(joinWithVBar(out));
        child.isSplitNode = true;
        tree.add(child);
        for (String line : out) child.add(new GazelleTree(line));
      } catch (Throwable __e) {
        _handleException(__e);
      }
    }
    boolean firstConditionOnly = boolPar("firstConditionOnly", __);
    Object[] params = litobjectarray("debug", false, "tree", tree);
    List<RuleEngine2_MatchedRule> l = sortByMethodDesc("qualitySum", firstConditionOnly ? ai_ruleEngine2_rulesForInput_5(engine, inputMap, params) : ai_ruleEngine2_rulesForInput_5_allConditions(engine, inputMap, params));
    for (RuleEngine2_MatchedRule r : l) {
      if (r.relativeQuality() < qualityCutOff)
        continue;
      String line = r.outText();
      GazelleTree child = new GazelleTree(line);
      child.mr = r;
      ai_gazelle_analyzeStatementsForRule_Data data = ctx.dataByRule.get(r.rule.globalID);
      child.prediction = data == null ? null : ai_gazelle_predictor1_onData(r, data);
      tree.add(child);
    }
    gazelle_sortChildren(tree);
    return tree.children;
  }

  public static Object[] paramsPlus(Object[] a1, Object... a2) {
    if (a2 == null || l(a2) == 2 && a2[0] == null)
      return a1;
    if (a1 == null)
      return a2;
    return concatArrays(assertEvenLength(a1), assertEvenLength(a2));
  }

  public static List<String> toLinesFullTrim(String s) {
    List<String> l = new ArrayList();
    for (String line : toLines(s)) if (nempty(line = trim(line)))
      l.add(line);
    return l;
  }

  public static List<String> toLinesFullTrim(File f) {
    List<String> l = new ArrayList();
    for (String line : linesFromFile(f)) if (nempty(line = trim(line)))
      l.add(line);
    return l;
  }

  public static Object pcallF(Object f, Object... args) {
    return pcallFunction(f, args);
  }

  public static <A> A pcallF(F0<A> f) {
    try {
      return f == null ? null : f.get();
    } catch (Throwable __e) {
      return null;
    }
  }

  public static <A, B> B pcallF(F1<A, B> f, A a) {
    try {
      return f == null ? null : f.get(a);
    } catch (Throwable __e) {
      return null;
    }
  }

  public static <A extends JComponent> void componentPopupMenu2(A component, final VF2<A, JPopupMenu> menuMaker) {
    final WeakReference<A> ref = new WeakReference(component);
    componentPopupMenu(component, new VF1<JPopupMenu>() {

      public void get(JPopupMenu menu) {
        try {
          callF(menuMaker, ref.get(), menu);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callF(menuMaker, ref!, menu);";
      }
    });
  }

  public static boolean jmenuItem_newThreads;

  public static JMenuItem jmenuItem(final String text) {
    return jMenuItem(text, null);
  }

  public static JMenuItem jmenuItem(final String text, final Object r) {
    return swing(new F0<JMenuItem>() {

      public JMenuItem get() {
        try {
          Pair<String, Integer> p = jmenu_autoMnemonic(dropPrefix("[disabled] ", text));
          JMenuItem mi = new JMenuItem(p.a);
          if (startsWith(text, "[disabled] "))
            disableMenuItem(mi);
          if (p.b != 0)
            mi.setMnemonic(p.b);
          mi.addActionListener(jmenuItem_newThreads ? actionListenerInNewThread(r) : actionListener(r));
          return mi;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Pair<S, Int> p = jmenu_autoMnemonic(dropPrefix(\"[disabled] \", text));\r\n    JM...";
      }
    });
  }

  public static MenuItem menuItem(String text, final Object r) {
    MenuItem mi = new MenuItem(text);
    mi.addActionListener(actionListener(r));
    return mi;
  }

  public static String str(Object o) {
    return o == null ? "null" : o.toString();
  }

  public static String str(char[] c) {
    return new String(c);
  }

  public static void vmBus_send(String msg, Object... args) {
    Object arg = empty(args) ? null : l(args) == 1 ? args[0] : args;
    pcallFAll(vm_busListeners_live(), msg, arg);
    pcallFAll(vm_busListenersByMessage_live().get(msg), msg, arg);
  }

  public static void vmBus_send(String msg) {
    vmBus_send(msg, (Object) null);
  }

  public static String dropPrefixTrim(String prefix, String s) {
    return trim(dropPrefix(prefix, s));
  }

  public static String lastLine(String s) {
    s = dropSuffix("\n", s);
    s = dropSuffix("\r", s);
    int i = s.lastIndexOf('\n');
    return substring(s, i + 1);
  }

  public static JTextArea typeWriterTextArea() {
    return newTypeWriterTextArea();
  }

  public static JTextArea typeWriterTextArea(String text) {
    return newTypeWriterTextArea(text);
  }

  public static JPanel showFormTitled2(String title, Object... parts) {
    return showFormTitled_customLayout(formLayouter1(), title, parts);
  }

  public static ThreadLocal<String> dm_gazelle_addRuleWithComment_msg = new ThreadLocal();

  public static Pair<String, Boolean> dm_gazelle_addRuleWithComment(String text, String comment) {
    Pair<String, Boolean> p = (Pair<String, Boolean>) (quickImport(dm_call(dm_gazelle_rulesModule(), "addRuleWithComment", text, comment)));
    String rendered = newLinesToSpaces_trim(text);
    infoBox(setTLAndReturn(dm_gazelle_addRuleWithComment_msg, p.b ? "Rule " + p.a + " added: " + rendered : "Rule already there: " + p.a + " - " + rendered));
    return p;
  }

  public static Pair<String, Boolean> dm_gazelle_addRuleWithComment(String when, String then, String comment) {
    return dm_gazelle_addRuleWithComment(when + "\n=> " + then, comment);
  }

  public static String getText(final AbstractButton c) {
    return c == null ? "" : (String) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          return c.getText();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret c.getText();";
      }
    });
  }

  public static String getText(final JTextComponent c) {
    return c == null ? "" : (String) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          return c.getText();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret c.getText();";
      }
    });
  }

  public static String getText(final JLabel l) {
    return l == null ? "" : (String) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          return l.getText();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret l.getText();";
      }
    });
  }

  public static String getText(final JComboBox cb) {
    if (cb == null)
      return null;
    if (isEditableComboBox(cb))
      return unnull((String) cb.getEditor().getItem());
    else
      return str(cb.getSelectedItem());
  }

  public static JWindow infoBox(String text) {
    return infoMessage(text);
  }

  public static JWindow infoBox(String text, double seconds) {
    return infoMessage(text, seconds);
  }

  public static JWindow infoBox(Throwable e) {
    return infoMessage(e);
  }

  public static String fromLines(Collection lines) {
    StringBuilder buf = new StringBuilder();
    if (lines != null)
      for (Object line : lines) buf.append(str(line)).append('\n');
    return buf.toString();
  }

  public static String fromLines(String... lines) {
    return fromLines(asList(lines));
  }

  public static IterableIterator<String> toLines(File f) {
    return linesFromFile(f);
  }

  public static List<String> toLines(String s) {
    List<String> lines = new ArrayList<String>();
    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;
  }

  public 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 JSplitPane setSplitPaneOnFirstShowing(final Component c, final double value) {
    final JSplitPane sp = first(childrenOfType(c, JSplitPane.class));
    if (sp != null)
      onFirstResize(sp, new Runnable() {

        public void run() {
          try {
            sp.setDividerLocation(value);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "sp.setDividerLocation(value);";
        }
      });
    return sp;
  }

  public static <A> A swingNu(final Class<A> c, final Object... args) {
    return swingConstruct(c, args);
  }

  public static Component wrap(Object swingable) {
    return _recordNewSwingComponent(wrap_2(swingable));
  }

  public static Component wrap_2(Object swingable) {
    if (swingable == null)
      return null;
    Component c;
    if (swingable instanceof Component)
      c = (Component) swingable;
    else
      c = (Component) callOpt(swingable, "swing");
    if (c instanceof JTable || c instanceof JList || c instanceof JTextArea || c instanceof JEditorPane || c instanceof JTextPane || c instanceof JTree)
      return jscroll(c);
    return c == null ? jlabel(str(swingable)) : c;
  }

  public static ChangeListener changeListener(final Object r) {
    return new ChangeListener() {

      public void stateChanged(ChangeEvent e) {
        pcallF(r);
      }
    };
  }

  public static ItemListener itemListener(final Object r) {
    return new ItemListener() {

      public void itemStateChanged(ItemEvent e) {
        pcallF(r);
      }
    };
  }

  public static void onUpdate(JComponent c, final Object r) {
    if (c instanceof JTextComponent)
      ((JTextComponent) c).getDocument().addDocumentListener(new DocumentListener() {

        public void insertUpdate(DocumentEvent e) {
          call(r);
        }

        public void removeUpdate(DocumentEvent e) {
          call(r);
        }

        public void changedUpdate(DocumentEvent e) {
          call(r);
        }
      });
    else if (c instanceof ItemSelectable)
      ((ItemSelectable) c).addItemListener(new ItemListener() {

        public void itemStateChanged(ItemEvent e) {
          call(r);
        }
      });
    else
      print("Warning: onUpdate doesn't know " + getClassName(c));
  }

  public static void onUpdate(List<? extends JComponent> l, Object r) {
    for (JComponent c : l) onUpdate(c, r);
  }

  public static boolean isEditableComboBox(final JComboBox cb) {
    return cb != null && swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          return cb.isEditable();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret cb.isEditable();";
      }
    });
  }

  public static JTextField textFieldFromComboBox(JComboBox cb) {
    return (JTextField) cb.getEditor().getEditorComponent();
  }

  public static JComboBox onSelectedItem(final JComboBox cb, final VF1<String> f) {
    addActionListener(cb, new Runnable() {

      public void run() {
        try {
          pcallF(f, selectedItem(cb));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "pcallF(f, selectedItem(cb))";
      }
    });
    return cb;
  }

  public static JTextArea dm_fieldTextArea(String field) {
    return jLiveValueTextArea_bothWays(dm_fieldLiveValue(field));
  }

  public static <A extends JComponent> A applyDefaultMargin(final A c) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            c.setBorder(BorderFactory.createEmptyBorder(withMargin_defaultWidth, withMargin_defaultWidth, withMargin_defaultWidth, withMargin_defaultWidth));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.setBorder(BorderFactory.createEmptyBorder(withMargin_defaultWidth, withMarg...";
        }
      });
    }
    return c;
  }

  public static JPanel northCenterAndSouth(Component n, Component c, Component s) {
    JPanel panel = new JPanel(new BorderLayout());
    panel.add(BorderLayout.NORTH, wrap(n));
    panel.add(BorderLayout.CENTER, wrap(c));
    panel.add(BorderLayout.SOUTH, wrap(s));
    return panel;
  }

  public static int withBottomMargin_defaultWidth = 6;

  public static JPanel withBottomMargin(Component c) {
    return withBottomMargin(withBottomMargin_defaultWidth, c);
  }

  public static JPanel withBottomMargin(final int w, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel p = new JPanel(new BorderLayout());
          p.setBorder(BorderFactory.createEmptyBorder(0, 0, w, 0));
          p.add(c);
          return p;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat...";
      }
    });
  }

  public static int withTopMargin_defaultWidth = 6;

  public static JPanel withTopMargin(Component c) {
    return withTopMargin(withTopMargin_defaultWidth, c);
  }

  public static JPanel withTopMargin(final int w, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel p = new JPanel(new BorderLayout());
          p.setBorder(BorderFactory.createEmptyBorder(w, 0, 0, 0));
          p.add(c);
          return p;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat...";
      }
    });
  }

  public static JPanel jRightAlignedButtons(Object... params) {
    List<JComponent> l = new ArrayList();
    for (int i = 0; i < l(params); i += 2) if (params[i] != null)
      if (params[i] instanceof JComponent)
        l.add((JComponent) params[i--]);
      else
        l.add(jbutton((String) params[i], params[i + 1]));
    return jRightAlignedLine(l);
  }

  public static void inputMultiLineText(final String msg, final Object action) {
    inputMultiLineText(msg, "", action);
  }

  public static void inputMultiLineText(final String msg, final String defaultText, final Object action) {
    final Object threadInfo = _threadInfo();
    swingLater(new Runnable() {

      public void run() {
        try {
          final JTextArea ta = wordWrapTypeWriterTextArea(defaultText);
          String title = joinStrings(" | ", msg, programName());
          JComponent form = showFormTitled2(title, unnull(msg), ta, new Runnable() {

            public void run() {
              try {
                vmBus_send("inputtingText_OK", threadInfo, msg, ta);
                callF_thread(action, getText(ta));
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "vmBus_send(\"inputtingText_OK\", threadInfo, msg, ta);\r\n        callF_thread(ac...";
            }
          });
          renameSubmitButton(form, "OK");
          vmBus_send("inputtingText", threadInfo, msg, ta);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "final JTextArea ta = wordWrapTypeWriterTextArea(defaultText);\r\n    String tit...";
      }
    });
  }

  public static Pair<String, Boolean> dm_gazelle_addRule(String when, String then) {
    return (Pair) quickImport(dm_call(dm_gazelle_rulesModule(), "addRule", when, then));
  }

  public static Pair<String, Boolean> dm_gazelle_addRule(String text) {
    return (Pair) quickImport(dm_call(dm_gazelle_rulesModule(), "addRule", text));
  }

  public static JPanel smartAddWithLayout(JPanel panel, Object layout, List parts) {
    for (Object o : parts) panel.add(wrapForSmartAdd(o), layout);
    return panel;
  }

  public static JPanel smartAddWithLayout(JPanel panel, Object layout, Object... parts) {
    return smartAddWithLayout(panel, layout, asList(flattenArray2(parts)));
  }

  public static Object[] toObjectArray(Collection c) {
    List l = asList(c);
    return l.toArray(new Object[l.size()]);
  }

  public static <A> List<A> nonNulls(List<A> l) {
    return withoutNulls(l);
  }

  public static <A, B> Map<A, B> nonNulls(Map<A, B> map) {
    return withoutNulls(map);
  }

  public static Component jrigid() {
    return javax.swing.Box.createRigidArea(new Dimension(0, 0));
  }

  public static <A extends JButton> A treeDependButton(final JTree tree, final A b) {
    if (b != null) {
      swing(new Runnable() {

        public void run() {
          try {
            tree.addTreeSelectionListener(new TreeSelectionListener() {

              public void valueChanged(TreeSelectionEvent e) {
                b.setEnabled(getSelectedTreeNode(tree) != null);
              }
            });
            b.setEnabled(getSelectedTreeNode(tree) != null);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "tree.addTreeSelectionListener(new TreeSelectionListener {\r\n      public void ...";
        }
      });
    }
    return b;
  }

  public static JButton jbutton(String text, Object action) {
    return newButton(text, action);
  }

  public static JButton jbutton(String text) {
    return newButton(text, null);
  }

  public static JButton jbutton(Action action) {
    return swingNu(JButton.class, action);
  }

  public static JButton jPopDownButton(String text, final Object... menuParams) {
    return jbutton((empty(text) ? "" : text + " ") + unicode_downPointingTriangle(), new Runnable() {

      public void run() {
        try {
          JPopupMenu menu = new JPopupMenu();
          int emptyCount = menu.getComponentCount();
          String position = optPar(menuParams, "position");
          fillJPopupMenu(menu, paramsWithout(menuParams, "position"));
          if (menu.getComponentCount() != emptyCount) {
            JButton btn = heldInstance(JButton.class);
            int x = 0;
            if (eq(position, "center"))
              x = (btn.getWidth() - getPreferredWidth(menu)) / 2;
            else if (eq(position, "right"))
              x = btn.getWidth() - getPreferredWidth(menu);
            menu.show(btn, x, btn.getHeight());
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "new JPopupMenu menu;\r\n    int emptyCount = menu.getComponentCount();\r\n    Str...";
      }
    });
  }

  public static <A> A swingConstruct(final Class<A> c, final Object... args) {
    return swing(new F0<A>() {

      public A get() {
        try {
          return nuObject(c, args);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret nuObject(c, args);";
      }
    });
  }

  public static DefaultMutableTreeNode jDynamicTree_findNode(final JTree tree, final Object data) {
    return swing(new F0<DefaultMutableTreeNode>() {

      public DefaultMutableTreeNode get() {
        try {
          Enumeration e = ((DefaultMutableTreeNode) tree.getModel().getRoot()).breadthFirstEnumeration();
          while (e.hasMoreElements()) {
            DefaultMutableTreeNode n = (DefaultMutableTreeNode) (e.nextElement());
            if (eq(n.getUserObject(), data))
              return n;
          }
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Enumeration e = ((DefaultMutableTreeNode) tree.getModel().getRoot()).breadthF...";
      }
    });
  }

  public static Object getSelectedTreeNode(JTree tree) {
    return tree == null ? null : swingCall(tree, "getLastSelectedPathComponent");
  }

  public static <A> Set<A> synchroLinkedHashSet() {
    return Collections.synchronizedSet(new LinkedHashSet<A>());
  }

  public static boolean endsWithPunctuation(String s) {
    return nempty(s) && contains(".!?", lastChar(s));
  }

  public static List<T3<String, String, String>> dm_allRulesFromRulesModuleWithCommentsAndIDs() {
    return collectThreeFieldsAsTriple("text", "comments", "globalID", (List) dm_call(dm_gazelle_rulesModule(), "concepts"));
  }

  public static GazelleEvalContext gazelle_stdEvalContext(List<T3<String, String, String>> rules) {
    GazelleEvalContext ctx = new GazelleEvalContext();
    ctx.engine = new RuleEngine2();
    ctx.engine.addRules2(rules);
    MultiMap<String, String> statementsByRule = ai_gazelle_indexStatementsByRule(dm_gazelle_statementsFromAppliedRules());
    ctx.dataByRule = mapValues("ai_gazelle_analyzeStatementsForRule", multiMapToMap(statementsByRule));
    return ctx;
  }

  public static <A> A dm_callFunctionOnString(String code, String s) {
    return (A) callF(dm_codeWithHintsToFunctionOnString(code), s);
  }

  public static <A> List<A> createOrAddToSyncList(List<A> list, A a) {
    if (list == null)
      list = syncList();
    list.add(a);
    return list;
  }

  public static void addToContainer(final Container a, final Component b) {
    if (a != null && b != null) {
      swing(new Runnable() {

        public void run() {
          try {
            a.add(b);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "a.add(b);";
        }
      });
    }
  }

  public static Object nuObject(String className, Object... args) {
    try {
      return nuObject(classForName(className), args);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A nuObject(Class<A> c, Object... args) {
    try {
      if (args.length == 0)
        return nuObjectWithoutArguments(c);
      Constructor m = nuObject_findConstructor(c, args);
      m.setAccessible(true);
      return (A) m.newInstance(args);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Constructor nuObject_findConstructor(Class c, Object... args) {
    for (Constructor m : c.getDeclaredConstructors()) {
      if (!nuObject_checkArgs(m.getParameterTypes(), args, false))
        continue;
      return m;
    }
    throw fail("Constructor " + c.getName() + getClasses(args) + " not found" + (args.length == 0 && (c.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 ? " - hint: it's a non-static class!" : ""));
  }

  public static boolean nuObject_checkArgs(Class[] types, Object[] args, boolean debug) {
    if (types.length != args.length) {
      if (debug)
        System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
      if (debug)
        System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
      return false;
    }
    return true;
  }

  public static void setAll(Object o, Map<String, Object> fields) {
    if (fields == null)
      return;
    for (String field : keys(fields)) set(o, field, fields.get(field));
  }

  public static void setAll(Object o, Object... values) {
    failIfOddCount(values);
    for (int i = 0; i + 1 < l(values); i += 2) {
      String field = (String) values[i];
      Object value = values[i + 1];
      set(o, field, value);
    }
  }

  public static DefaultMutableTreeNode jTree_defaultNode_withDummyChild(Object userObject) {
    DefaultMutableTreeNode node = new DefaultMutableTreeNode(userObject);
    node.add(new DefaultMutableTreeNode(jDynamicTree_dummy()));
    return node;
  }

  public static DefaultMutableTreeNode jDynamicTree_root(final JTree tree) {
    return swing(new F0<DefaultMutableTreeNode>() {

      public DefaultMutableTreeNode get() {
        try {
          return (DefaultMutableTreeNode) tree.getModel().getRoot();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret (DefaultMutableTreeNode) tree.getModel().getRoot();";
      }
    });
  }

  public static Object dm_requireAndCall(String moduleLibID, String method, Object... args) {
    return dm_requireAndCallModule(moduleLibID, method, args);
  }

  public static String trim(String s) {
    return s == null ? null : s.trim();
  }

  public static String trim(StringBuilder buf) {
    return buf.toString().trim();
  }

  public static String trim(StringBuffer buf) {
    return buf.toString().trim();
  }

  public static String strUnnull(Object o) {
    return o == null ? "" : str(o);
  }

  public static String jlabel_textAsHTML_center_ifNeeded(String text) {
    if (swic(text, "<html>") && ewic(text, "</html>"))
      return text;
    if (!containsNewLines(text))
      return text;
    return jlabel_textAsHTML_center(text);
  }

  public static boolean neq(Object a, Object b) {
    return !eq(a, b);
  }

  public static <A extends Component> A activateFrameAndReturnComponent(A c) {
    activateFrame(c);
    return c;
  }

  public static <A> A setFrameTitle(A c, final String title) {
    final Frame f = getAWTFrame(c);
    if (f != null) {
      swing(new Runnable() {

        public void run() {
          try {
            f.setTitle(title);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "f.setTitle(title);";
        }
      });
    }
    return c;
  }

  public static <A extends Component> A setFrameTitle(String title, A c) {
    return setFrameTitle(c, title);
  }

  public static JFrame setFrameTitle(String title) {
    Object f = getOpt(mc(), "frame");
    if (f instanceof JFrame)
      return setFrameTitle((JFrame) f, title);
    return null;
  }

  public static JTextArea newTypeWriterTextArea() {
    return newTypeWriterTextArea("");
  }

  public static JTextArea newTypeWriterTextArea(String text) {
    return setFont(jTextArea(text), typeWriterFont());
  }

  public static String makeFrame_defaultIcon;

  public static boolean makeFrame_hideConsole;

  public static ThreadLocal<VF1<JFrame>> makeFrame_post = new ThreadLocal();

  public static JFrame makeFrame() {
    return makeFrame((Component) null);
  }

  public static JFrame makeFrame(Object content) {
    return makeFrame(programTitle(), content);
  }

  public static JFrame makeFrame(String title) {
    return makeFrame(title, null);
  }

  public static JFrame makeFrame(String title, Object content) {
    return makeFrame(title, content, true);
  }

  public static JFrame makeFrame(final String title, final Object content, final boolean showIt) {
    final VF1<JFrame> post = optParam(makeFrame_post);
    return swing(new F0<JFrame>() {

      public JFrame get() {
        try {
          if (getFrame(content) != null)
            return getFrame(setFrameTitle((Component) content, title));
          final JFrame frame = new JFrame(title);
          if (makeFrame_defaultIcon != null)
            setFrameIconLater(frame, makeFrame_defaultIcon);
          _initFrame(frame);
          Component wrapped = wrap(content);
          if (wrapped != null)
            frame.getContentPane().add(wrapped);
          frame.setBounds(defaultNewFrameBounds());
          callF(post, frame);
          if (showIt)
            frame.setVisible(true);
          if (showIt && makeFrame_hideConsole) {
            hideConsole();
            makeFrame_hideConsole = false;
          }
          return frame;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "if (getFrame(content) != null)\r\n      ret getFrame(setFrameTitle((Component) ...";
      }
    });
  }

  public static String autoFrameTitle_value;

  public static String autoFrameTitle() {
    return autoFrameTitle_value != null ? autoFrameTitle_value : getProgramTitle();
  }

  public static void autoFrameTitle(Component c) {
    setFrameTitle(getFrame(c), autoFrameTitle());
  }

  public static String javaTokWordWrap(String s) {
    return javaTokWordWrap(120, s);
  }

  public static String javaTokWordWrap(int cols, String s) {
    int col = 0;
    List<String> tok = javaTok(s);
    for (int i = 0; i < l(tok); i++) {
      String t = tok.get(i);
      if (odd(i) && col >= cols && !containsNewLine(t))
        tok.set(i, t = rtrimSpaces(t) + "\n");
      int idx = t.lastIndexOf('\n');
      if (idx >= 0)
        col = l(t) - (idx + 1);
      else
        col += l(t);
    }
    return join(tok);
  }

  public static Class __javax;

  public static Class getJavaX() {
    try {
      return __javax;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean nemptyString(String s) {
    return s != null && s.length() > 0;
  }

  public static int strL(String s) {
    return s == null ? 0 : s.length();
  }

  public static int listL(Collection l) {
    return l == null ? 0 : l.size();
  }

  public static Throwable printStackTrace2(Throwable e) {
    print(getStackTrace2(e));
    return e;
  }

  public static void printStackTrace2() {
    printStackTrace2(new Throwable());
  }

  public static void printStackTrace2(String msg) {
    printStackTrace2(new Throwable(msg));
  }

  public static String formatSnippetIDOpt(String s) {
    return isSnippetID(s) ? formatSnippetID(s) : s;
  }

  public static String formatSnippetID(String id) {
    return "#" + parseSnippetID(id);
  }

  public static String formatSnippetID(long id) {
    return "#" + id;
  }

  public static Class getMainClass() {
    return mc();
  }

  public static Class getMainClass(Object o) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class && eq(((Class) o).getName(), "x30"))
        return (Class) o;
      return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static volatile boolean ping_pauseAll;

  public static int ping_sleep = 100;

  public static volatile boolean ping_anyActions;

  public static Map<Thread, Object> ping_actions = newWeakHashMap();

  public static ThreadLocal<Boolean> ping_isCleanUpThread = new ThreadLocal();

  public static boolean ping() {
    if (ping_pauseAll || ping_anyActions)
      ping_impl(true);
    return true;
  }

  public static boolean ping_impl(boolean okInCleanUp) {
    try {
      if (ping_pauseAll && !isAWTThread()) {
        do Thread.sleep(ping_sleep); while (ping_pauseAll);
        return true;
      }
      if (ping_anyActions) {
        if (!okInCleanUp && !isTrue(ping_isCleanUpThread.get()))
          failIfUnlicensed();
        Object action = null;
        synchronized (ping_actions) {
          if (!ping_actions.isEmpty()) {
            action = ping_actions.get(currentThread());
            if (action instanceof Runnable)
              ping_actions.remove(currentThread());
            if (ping_actions.isEmpty())
              ping_anyActions = false;
          }
        }
        if (action instanceof Runnable)
          ((Runnable) action).run();
        else if (eq(action, "cancelled"))
          throw fail("Thread cancelled.");
      }
      return false;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean eq(Object a, Object b) {
    return a == null ? b == null : a == b || b != null && a.equals(b);
  }

  public static F0<AutoCloseable> dm_rEnter(final DynModule mod) {
    return mod == null ? null : new F0<AutoCloseable>() {

      public AutoCloseable get() {
        try {
          return mod.enter();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret mod.enter();";
      }
    };
  }

  public static volatile boolean sleep_noSleep;

  public static void sleep(long ms) {
    ping();
    if (ms < 0)
      return;
    if (isAWTThread() && ms > 100)
      throw fail("Should not sleep on AWT thread");
    try {
      Thread.sleep(ms);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

  public static void sleep() {
    try {
      if (sleep_noSleep)
        throw fail("nosleep");
      print("Sleeping.");
      sleepQuietly();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static int toMS_int(double seconds) {
    return toInt_checked((long) (seconds * 1000));
  }

  public static Object first(Object list) {
    return first((Iterable) list);
  }

  public static <A> A first(List<A> list) {
    return empty(list) ? null : list.get(0);
  }

  public static <A> A first(A[] bla) {
    return bla == null || bla.length == 0 ? null : bla[0];
  }

  public static <A> A first(IterableIterator<A> i) {
    return first((Iterator<A>) i);
  }

  public static <A> A first(Iterator<A> i) {
    return i == null || !i.hasNext() ? null : i.next();
  }

  public static <A> A first(Iterable<A> i) {
    if (i == null)
      return null;
    Iterator<A> it = i.iterator();
    return it.hasNext() ? it.next() : null;
  }

  public static Character first(String s) {
    return empty(s) ? null : s.charAt(0);
  }

  public static <A, B> A first(Pair<A, B> p) {
    return p == null ? null : p.a;
  }

  public static <A, B, C> A first(T3<A, B, C> t) {
    return t == null ? null : t.a;
  }

  public static List<AbstractButton> buttonsInGroup(ButtonGroup g) {
    if (g == null)
      return ll();
    return asList(g.getElements());
  }

  public static String defaultThreadName_name;

  public static String defaultThreadName() {
    if (defaultThreadName_name == null)
      defaultThreadName_name = "A thread by " + programID();
    return defaultThreadName_name;
  }

  public static Runnable wrapAsActivity(Object r) {
    return toRunnable(r);
  }

  public static Thread newThread(Object runnable) {
    return new Thread(_topLevelErrorHandling(toRunnable(runnable)));
  }

  public static Thread newThread(Object runnable, String name) {
    if (name == null)
      name = defaultThreadName();
    return new Thread(_topLevelErrorHandling(toRunnable(runnable)), name);
  }

  public static Thread newThread(String name, Object runnable) {
    return newThread(runnable, name);
  }

  public static Runnable toRunnable(final Object o) {
    if (o instanceof Runnable)
      return (Runnable) o;
    return new Runnable() {

      public void run() {
        try {
          callF(o);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callF(o)";
      }
    };
  }

  public static Map<Thread, Boolean> _registerThread_threads;

  public static Object _onRegisterThread;

  public static Thread _registerThread(Thread t) {
    if (_registerThread_threads == null)
      _registerThread_threads = newWeakHashMap();
    _registerThread_threads.put(t, true);
    vm_generalWeakSubMap("thread2mc").put(t, weakRef(mc()));
    callF(_onRegisterThread, t);
    return t;
  }

  public static void _registerThread() {
    _registerThread(Thread.currentThread());
  }

  public static void lock(Lock lock) {
    try {
      ping();
      if (lock == null)
        return;
      try {
        lock.lockInterruptibly();
      } catch (InterruptedException e) {
        print("Locking interrupted! I probably deadlocked, oops.");
        printStackTrace(e);
        rethrow(e);
      }
      ping();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void lock(Lock lock, String msg) {
    print("Locking: " + msg);
    lock(lock);
  }

  public static void lock(Lock lock, String msg, long timeout) {
    print("Locking: " + msg);
    lockOrFail(lock, timeout);
  }

  public static ReentrantLock lock() {
    return fairLock();
  }

  public static String fsI(String id) {
    return formatSnippetID(id);
  }

  public static String fsI(long id) {
    return formatSnippetID(id);
  }

  public static File loadBinarySnippet(String snippetID) {
    try {
      long id = parseSnippetID(snippetID);
      File f = DiskSnippetCache_getLibrary(id);
      if (fileSize(f) == 0)
        f = loadDataSnippetToFile(snippetID);
      return f;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean loadBufferedImageFixingGIFs_debug;

  public static ThreadLocal<Var<byte[]>> loadBufferedImageFixingGIFs_output = new ThreadLocal();

  public static Image loadBufferedImageFixingGIFs(File file) {
    try {
      if (!file.exists())
        return null;
      if (!isGIF(file))
        return ImageIO.read(file);
      if (loadBufferedImageFixingGIFs_debug)
        print("loadBufferedImageFixingGIFs" + ": checking gif");
      ImageReader reader = ImageIO.getImageReadersByFormatName("gif").next();
      reader.setInput(ImageIO.createImageInputStream(file));
      int numImages = reader.getNumImages(true);
      IIOMetadata imageMetaData = reader.getImageMetadata(0);
      String metaFormatName = imageMetaData.getNativeMetadataFormatName();
      boolean foundBug = false;
      for (int i = 0; i < numImages && !foundBug; i++) {
        IIOMetadataNode root = (IIOMetadataNode) reader.getImageMetadata(i).getAsTree(metaFormatName);
        int nNodes = root.getLength();
        for (int j = 0; j < nNodes; j++) {
          org.w3c.dom.Node node = root.item(j);
          if (node.getNodeName().equalsIgnoreCase("GraphicControlExtension")) {
            String delay = ((IIOMetadataNode) node).getAttribute("delayTime");
            if (Integer.parseInt(delay) == 0) {
              foundBug = true;
            }
            break;
          }
        }
      }
      if (loadBufferedImageFixingGIFs_debug)
        print("loadBufferedImageFixingGIFs" + ": " + f2s(file) + " foundBug=" + foundBug);
      Image image;
      if (!foundBug) {
        image = Toolkit.getDefaultToolkit().createImage(f2s(file));
      } else {
        ByteArrayOutputStream baoStream = new ByteArrayOutputStream();
        {
          ImageOutputStream ios = ImageIO.createImageOutputStream(baoStream);
          try {
            ImageWriter writer = ImageIO.getImageWriter(reader);
            writer.setOutput(ios);
            writer.prepareWriteSequence(null);
            for (int i = 0; i < numImages; i++) {
              BufferedImage frameIn = reader.read(i);
              IIOMetadataNode root = (IIOMetadataNode) reader.getImageMetadata(i).getAsTree(metaFormatName);
              int nNodes = root.getLength();
              for (int j = 0; j < nNodes; j++) {
                org.w3c.dom.Node node = root.item(j);
                if (node.getNodeName().equalsIgnoreCase("GraphicControlExtension")) {
                  String delay = ((IIOMetadataNode) node).getAttribute("delayTime");
                  if (Integer.parseInt(delay) == 0) {
                    ((IIOMetadataNode) node).setAttribute("delayTime", "10");
                  }
                  break;
                }
              }
              IIOMetadata metadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(frameIn), null);
              metadata.setFromTree(metadata.getNativeMetadataFormatName(), root);
              IIOImage frameOut = new IIOImage(frameIn, null, metadata);
              writer.writeToSequence(frameOut, writer.getDefaultWriteParam());
            }
            writer.endWriteSequence();
          } finally {
            _close(ios);
          }
        }
        byte[] data = baoStream.toByteArray();
        setVar(loadBufferedImageFixingGIFs_output.get(), data);
        if (loadBufferedImageFixingGIFs_debug)
          print("Data size: " + l(data));
        image = Toolkit.getDefaultToolkit().createImage(data);
      }
      return image;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void unlock(Lock lock, String msg) {
    if (lock == null)
      return;
    print("Unlocking: " + msg);
    lock.unlock();
  }

  public static void unlock(Lock lock) {
    if (lock == null)
      return;
    lock.unlock();
  }

  public static int toInt(Object o) {
    if (o == null)
      return 0;
    if (o instanceof Number)
      return ((Number) o).intValue();
    if (o instanceof String)
      return parseInt((String) o);
    throw fail("woot not int: " + getClassName(o));
  }

  public static int toInt(long l) {
    if (l != (int) l)
      throw fail("Too large for int: " + l);
    return (int) l;
  }

  public static ActionListener actionListener(final Object runnable) {
    return actionListener(runnable, null);
  }

  public static ActionListener actionListener(final Object runnable, final Object instanceToHold) {
    if (runnable instanceof ActionListener)
      return (ActionListener) runnable;
    final Object info = _threadInfo();
    return new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          _threadInheritInfo(info);
          AutoCloseable __1115 = holdInstance(instanceToHold);
          try {
            callF(runnable);
          } finally {
            _close(__1115);
          }
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    };
  }

  public static DynModule dm_currentModuleMandatory() {
    return dm_current_mandatory();
  }

  public static Map<String, Set> vm_busListenersByMessage_live_cache;

  public static Map<String, Set> vm_busListenersByMessage_live() {
    if (vm_busListenersByMessage_live_cache == null)
      vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load();
    return vm_busListenersByMessage_live_cache;
  }

  public static Map<String, Set> vm_busListenersByMessage_live_load() {
    return vm_generalHashMap("busListenersByMessage");
  }

  public static <A> Set<A> syncIdentityHashSet() {
    return (Set) synchronizedSet(identityHashSet());
  }

  public static <A> AutoCloseable tempAdd(final Collection<A> l, final A a) {
    if (l == null || l.contains(a))
      return null;
    l.add(a);
    return new AutoCloseable() {

      public String toString() {
        return "l.remove(a);";
      }

      public void close() throws Exception {
        l.remove(a);
      }
    };
  }

  public static <A> A second(List<A> l) {
    return get(l, 1);
  }

  public static <A> A second(A[] bla) {
    return bla == null || bla.length <= 1 ? null : bla[1];
  }

  public static <A, B> B second(Pair<A, B> p) {
    return p == null ? null : p.b;
  }

  public static <A, B, C> B second(T3<A, B, C> t) {
    return t == null ? null : t.b;
  }

  public static <A> A third(List<A> l) {
    return _get(l, 2);
  }

  public static <A> A third(A[] bla) {
    return bla == null || bla.length <= 2 ? null : bla[2];
  }

  public static <A, B, C> C third(T3<A, B, C> t) {
    return t == null ? null : t.c;
  }

  public static <A> VF1<A> runnableToVF1(final Runnable r) {
    return r == null ? null : new VF1<A>() {

      public void get(A a) {
        try {
          r.run();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "r.run()";
      }
    };
  }

  public static void swingAndWait(Runnable r) {
    try {
      if (isAWTThread())
        r.run();
      else
        EventQueue.invokeAndWait(addThreadInfoToRunnable(r));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Object swingAndWait(final Object f) {
    if (isAWTThread())
      return callF(f);
    else {
      final Var result = new Var();
      swingAndWait(new Runnable() {

        public void run() {
          try {
            result.set(callF(f));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "result.set(callF(f));";
        }
      });
      return result.get();
    }
  }

  public static <A> A optPar(ThreadLocal<A> tl, A defaultValue) {
    A a = tl.get();
    if (a != null) {
      tl.set(null);
      return a;
    }
    return defaultValue;
  }

  public static <A> A optPar(ThreadLocal<A> tl) {
    return optPar(tl, null);
  }

  public static <A> A optPar(Object[] params, String name) {
    return optParam(params, name);
  }

  public static <A> A optPar(String name, Object[] params) {
    return optParam(params, name);
  }

  public static <A> A optPar(Object[] params, String name, A defaultValue) {
    return optParam(params, name, defaultValue);
  }

  public static <A> A optPar(String name, Object[] params, A defaultValue) {
    return optParam(params, name, defaultValue);
  }

  public static boolean even(int i) {
    return (i & 1) == 0;
  }

  public static boolean even(long i) {
    return (i & 1) == 0;
  }

  public static boolean boolOptParam(ThreadLocal<Boolean> tl) {
    return isTrue(optPar(tl));
  }

  public static boolean boolOptParam(Object[] __, String name) {
    return isTrue(optParam(__, name));
  }

  public static boolean boolOptParam(String name, Object[] __) {
    return boolOptParam(__, name);
  }

  public static List mapMethod(Object[] l, final String methodName) {
    return map(l, new F1<Object, Object>() {

      public Object get(Object o) {
        try {
          return callOpt(o, methodName);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callOpt(o, methodName)";
      }
    });
  }

  public static List mapMethod(Iterable c, final String methodName) {
    return map(c, new F1<Object, Object>() {

      public Object get(Object o) {
        try {
          return callOpt(o, methodName);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callOpt(o, methodName)";
      }
    });
  }

  public static List mapMethod(String methodName, Iterable c) {
    return mapMethod(c, methodName);
  }

  public static List mapMethod(String methodName, Enumeration c) {
    return mapMethod(methodName, enumerationToIterator(c));
  }

  public static String unnull(String s) {
    return s == null ? "" : s;
  }

  public static <A> Collection<A> unnull(Collection<A> l) {
    return l == null ? emptyList() : l;
  }

  public static <A> List<A> unnull(List<A> l) {
    return l == null ? emptyList() : l;
  }

  public static <A, B> Map<A, B> unnull(Map<A, B> l) {
    return l == null ? emptyMap() : l;
  }

  public static <A> Iterable<A> unnull(Iterable<A> i) {
    return i == null ? emptyList() : i;
  }

  public static <A> A[] unnull(A[] a) {
    return a == null ? (A[]) new Object[0] : a;
  }

  public static BitSet unnull(BitSet b) {
    return b == null ? new BitSet() : b;
  }

  public static Pt unnull(Pt p) {
    return p == null ? new Pt() : p;
  }

  public static <A, B> Pair<A, B> unnull(Pair<A, B> p) {
    return p != null ? p : new Pair(null, null);
  }

  public static <A> List<A> synchroList() {
    return Collections.synchronizedList(new ArrayList<A>());
  }

  public static <A> List<A> synchroList(List<A> l) {
    return Collections.synchronizedList(l);
  }

  public static <A> List<A> ll(A... a) {
    ArrayList l = new ArrayList(a.length);
    for (A x : a) l.add(x);
    return l;
  }

  public static PersistableThrowable persistableThrowable(Throwable e) {
    return e == null ? null : new PersistableThrowable(e);
  }

  public static Throwable innerException(Throwable e) {
    return getInnerException(e);
  }

  public static <A> ArrayList<A> cloneList(Iterable<A> l) {
    return l instanceof Collection ? cloneList((Collection) l) : asList(l);
  }

  public static <A> ArrayList<A> cloneList(Collection<A> l) {
    if (l == null)
      return new ArrayList();
    synchronized (collectionMutex(l)) {
      return new ArrayList<A>(l);
    }
  }

  public static <A> A assertNotNull(A a) {
    assertTrue(a != null);
    return a;
  }

  public static <A> A assertNotNull(String msg, A a) {
    assertTrue(msg, a != null);
    return a;
  }

  public static HashMap litmap(Object... x) {
    HashMap map = new HashMap();
    litmap_impl(map, x);
    return map;
  }

  public static void litmap_impl(Map map, Object... x) {
    for (int i = 0; i < x.length - 1; i += 2) if (x[i + 1] != null)
      map.put(x[i], x[i + 1]);
  }

  public static <A> List<A> concatLists(Collection<A>... lists) {
    List<A> l = new ArrayList();
    if (lists != null)
      for (Collection<A> list : lists) if (list != null)
        l.addAll(list);
    return l;
  }

  public static <A> List<A> concatLists(Collection<? extends Collection<A>> lists) {
    List<A> l = new ArrayList();
    if (lists != null)
      for (Collection<A> list : lists) if (list != null)
        l.addAll(list);
    return l;
  }

  public static String joinWithVBar(Iterable<String> l) {
    return join(" | ", l);
  }

  public static Object[] litobjectarray(Object... l) {
    return litObjectArray(l);
  }

  public static <A> List<A> sortByMethodDesc(Collection<A> c, final String method) {
    return sortByCalculatedFieldDesc(c, new F1<A, Object>() {

      public Object get(A a) {
        try {
          return callOpt(a, method);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callOpt(a, method)";
      }
    });
  }

  public static <A> List<A> sortByMethodDesc(String method, Collection<A> c) {
    return sortByMethodDesc(c, method);
  }

  public static List<RuleEngine2_MatchedRule> ai_ruleEngine2_rulesForInput_5(RuleEngine2 engine, Map<String, String> inputsByType, Object... __) {
    List<RuleEngine2_MatchedRule> l = new ArrayList();
    for (RuleEngine2.Rule rule : engine.rules) {
      if (rule instanceof RuleEngine2.SimplifyWithRule) {
        if (((RuleEngine2.SimplifyWithRule) rule).isSplitRule)
          continue;
        String in = inputsByType.get("standard");
        Object f = ((RuleEngine2.SimplifyWithRule) rule).function();
        Object arg = ((RuleEngine2.SimplifyWithRule) rule).callOnTree ? optPar("tree", __) : in;
        if (arg == null)
          continue;
        Object result = f instanceof String ? arg instanceof String ? callF(engine.callFunctionOnString, (String) f, arg) : callAndMake((String) f, arg) : callF(f, arg);
        if (result == null)
          continue;
        List<String> list = result instanceof Collection ? allToString((Collection) result) : ll(str(result));
        for (String x : list) {
          if (nempty(x) && neq(x, in)) {
            final RuleEngine2_MatchedRule matched = new RuleEngine2_MatchedRule();
            matched.rule = ((RuleEngine2.SimplifyWithRule) rule);
            matched.out = x;
            l.add(matched);
          }
        }
        continue;
      }
      final RuleEngine2_MatchedRule matched = new RuleEngine2_MatchedRule();
      matched.rule = rule;
      matched.map = ciMap();
      matched.tokenizationFunction = or(matchAny_firstGroup("tokenize with *", rule.comments), "javaTokNPunctuationWithBrackets");
      if (!ai_ruleEngine2_matchStep(matched, inputsByType, true))
        continue;
      l.add(matched);
    }
    return l;
  }

  public static List<RuleEngine2_MatchedRule> ai_ruleEngine2_rulesForInput_5_allConditions(RuleEngine2 engine, Map<String, String> inputsByType, Object... __) {
    List<RuleEngine2_MatchedRule> notDone = ai_ruleEngine2_rulesForInput_5(engine, inputsByType, __);
    List<RuleEngine2_MatchedRule> done = new ArrayList();
    boolean debug = boolPar("debug", __);
    while (nempty(notDone)) {
      List<RuleEngine2_MatchedRule> l = notDone;
      notDone = new ArrayList();
      for (RuleEngine2_MatchedRule mr : l) {
        if (!mr.moreConditions()) {
          if (debug)
            print("Done: " + mr.ruleID());
          done.add(mr);
        } else {
          if (debug)
            print("Matching step " + mr.iCond + " in " + mr.ruleID());
          if (ai_ruleEngine2_matchStep(mr, inputsByType, false)) {
            if (debug)
              print("Step succeeded");
            notDone.add(mr);
          } else
            done.add(mr);
        }
      }
    }
    return done;
  }

  public static String ai_gazelle_predictor1_onData(RuleEngine2_MatchedRule r, ai_gazelle_analyzeStatementsForRule_Data data) {
    return containsAny(keys(r.map), data.varsUsedInBadOnly) ? "bad" : "good";
  }

  public static void gazelle_sortChildren(GazelleTree tree) {
    if (tree == null)
      return;
    gazelle_sortChildren(tree.children);
  }

  public static void gazelle_sortChildren(List<GazelleTree> children) {
    if (children != null)
      sortByCalculatedFieldDesc(children, new F1<GazelleTree, Integer>() {

        public Integer get(GazelleTree c) {
          try {
            return ai_goodBadToInt(c.prediction);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "ai_goodBadToInt(c.prediction)";
        }
      });
  }

  public static Object[] concatArrays(Object[]... arrays) {
    int l = 0;
    for (Object[] a : arrays) l += l(a);
    Object[] x = new Object[l];
    int i = 0;
    for (Object[] a : arrays) if (a != null) {
      System.arraycopy(a, 0, x, i, l(a));
      i += l(a);
    }
    return x;
  }

  public static Object[] assertEvenLength(Object[] a) {
    assertTrue(even(l(a)));
    return a;
  }

  public static CloseableIterableIterator<String> linesFromFile(File f) {
    try {
      if (!f.exists())
        return emptyCloseableIterableIterator();
      if (ewic(f.getName(), ".gz"))
        return linesFromReader(utf8bufferedReader(newGZIPInputStream(f)));
      return linesFromReader(utf8bufferedReader(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Object pcallFunction(Object f, Object... args) {
    try {
      return callFunction(f, args);
    } catch (Throwable __e) {
      _handleException(__e);
    }
    return null;
  }

  public static JMenuItem jMenuItem(final String text) {
    return jmenuItem(text);
  }

  public static JMenuItem jMenuItem(String text, Object r) {
    return jmenuItem(text, r);
  }

  public static Pair<String, Integer> jmenu_autoMnemonic(String s) {
    int i = indexOf(s, '&');
    if (i >= 0 && i < l(s) && isLetterOrDigit(s.charAt(i + 1)))
      return pair(substring(s, 0, i) + substring(s, i + 1), (int) s.charAt(i + 1));
    return pair(s, 0);
  }

  public static String dropPrefix(String prefix, String s) {
    return s == null ? null : s.startsWith(prefix) ? s.substring(l(prefix)) : s;
  }

  public static JMenuItem disableMenuItem(final JMenuItem mi) {
    if (mi != null) {
      swing(new Runnable() {

        public void run() {
          try {
            mi.setEnabled(false);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "mi.setEnabled(false);";
        }
      });
    }
    return mi;
  }

  public static ActionListener actionListenerInNewThread(final Object runnable) {
    return actionListenerInNewThread(runnable, null);
  }

  public static ActionListener actionListenerInNewThread(final Object runnable, final Object instanceToHold) {
    if (runnable instanceof ActionListener)
      return (ActionListener) runnable;
    return new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          startThread("Action Listener", new Runnable() {

            public void run() {
              try {
                AutoCloseable __489 = holdInstance(instanceToHold);
                try {
                  callF(runnable);
                } finally {
                  _close(__489);
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "AutoCloseable __489 = holdInstance(instanceToHold); try {\r\n      callF(runnab...";
            }
          });
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    };
  }

  public static void pcallFAll(Collection l, Object... args) {
    if (l != null)
      for (Object f : cloneList(l)) pcallF(f, args);
  }

  public static void pcallFAll(Iterator it, Object... args) {
    while (it.hasNext()) pcallF(it.next(), args);
  }

  public static Set vm_busListeners_live_cache;

  public static Set vm_busListeners_live() {
    if (vm_busListeners_live_cache == null)
      vm_busListeners_live_cache = vm_busListeners_live_load();
    return vm_busListeners_live_cache;
  }

  public static Set vm_busListeners_live_load() {
    return vm_generalIdentityHashSet("busListeners");
  }

  public static String dropSuffix(String suffix, String s) {
    return s.endsWith(suffix) ? s.substring(0, l(s) - l(suffix)) : s;
  }

  public static JPanel showFormTitled_customLayout(final F1<Container, Dimension> layouter, final String title, final Object... parts) {
    return showFormTitled_customArrangement(false, new F1<List<JComponent>, JPanel>() {

      public JPanel get(List<JComponent> components) {
        try {
          return customLayoutPanel(layouter, components);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "customLayoutPanel(layouter, components)";
      }
    }, title, parts);
  }

  public static int formLayouter1_yPlus = 5;

  public static int formLayouter1_fixer2 = 0;

  public static F1<Container, Dimension> formLayouter1() {
    final int yplus = formLayouter1_yPlus, fixer2 = formLayouter1_fixer2;
    return new F1<Container, Dimension>() {

      public Dimension get(Container parent) {
        try {
          List<Component> l = getComponents(parent);
          BitSet bigOnes = new BitSet();
          for (int i = 0; i < l(l); i++) if (containsATextArea(l.get(i)))
            add(bigOnes, i);
          int nBigOnes = bigOnes.cardinality();
          int mandatoryHeight = totalPreferredHeight(listWithoutIndicesInBitSet(l, bigOnes));
          int gap = 4, outerSpacing = 5;
          Dimension size = parent.getSize();
          int gapsAndMargins = outerSpacing * 2 - (l(l) - 1) * gap;
          int totalSpace = size.height - gapsAndMargins - fixer2;
          int liberalSpace = totalSpace - mandatoryHeight;
          double perBigOne = doubleRatio(liberalSpace, nBigOnes);
          double y = outerSpacing;
          for (int i = 0; i < l(l); i++) {
            Component c = l.get(i);
            boolean big = contains(bigOnes, i);
            double h = big ? perBigOne : c.getPreferredSize().height;
            int actualY = iround(y);
            c.setBounds(10, actualY, size.width - outerSpacing * 2, iround(y + h) - actualY);
            y += h + gap;
          }
          Dimension pref = componentsBoundingSize(parent, outerSpacing);
          if (parent.getHeight() == 0)
            pref.height = totalPreferredHeight(l) + gapsAndMargins + yplus;
          return pref;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "L<Component> l = getComponents(parent);\r\n    new BitSet bigOnes;\r\n    for i o...";
      }
    };
  }

  public static Object quickImport(Object o) {
    return quickExport(o, mc());
  }

  public static <A> A dm_call(Object moduleOrID, String method, Object... args) {
    Object mod = dm_getModule(moduleOrID);
    if (mod == null)
      return null;
    AutoCloseable __26 = dm_enter(mod);
    try {
      return (A) call(mod, method, args);
    } finally {
      _close(__26);
    }
  }

  public static String dm_gazelle_rulesModule() {
    return dm_require("#1021352/Rules");
  }

  public static <A> A setTLAndReturn(ThreadLocal<A> tl, A value) {
    return setThreadLocalAndReturn(tl, value);
  }

  public static boolean infoMessage_alwaysOnTop = true;

  public static double infoMessage_defaultTime = 5.0;

  public static JWindow infoMessage(String text) {
    return infoMessage(text, infoMessage_defaultTime);
  }

  public static JWindow infoMessage(final String text, final double seconds) {
    printHidingCredentials(text);
    return infoMessage_noprint(text, seconds);
  }

  public static JWindow infoMessage_noprint(String text) {
    return infoMessage_noprint(text, infoMessage_defaultTime);
  }

  public static JWindow infoMessage_noprint(final String _text, final double seconds) {
    final String text = hideCredentials(_text);
    if (empty(text))
      return null;
    logQuotedWithDate(infoBoxesLogFile(), text);
    if (isHeadless())
      return null;
    return (JWindow) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          final JWindow window = showWindow(infoMessage_makePanel(text));
          window.setSize(300, 150);
          moveToTopRightCorner(window);
          if (infoMessage_alwaysOnTop)
            window.setAlwaysOnTop(true);
          window.setVisible(true);
          if (seconds != 0)
            disposeWindowAfter(iround(seconds * 1000), window);
          return window;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "final JWindow window = showWindow(infoMessage_makePanel(text));\r\n    window.s...";
      }
    });
  }

  public static JWindow infoMessage(Throwable e) {
    printStackTrace(e);
    return infoMessage(exceptionToStringShort(e));
  }

  public static <A> List<A> childrenOfType(Component c, Class<A> theClass) {
    List<A> l = new ArrayList();
    scanForComponents(c, theClass, l);
    return l;
  }

  public static <A> List<A> childrenOfType(Class<A> theClass, Component c) {
    return childrenOfType(c, theClass);
  }

  public static void onFirstResize(final Component c, final Object r) {
    if (c != null && r != null) {
      swing(new Runnable() {

        public void run() {
          try {
            c.addComponentListener(new ComponentAdapter() {

              public void componentResized(ComponentEvent e) {
                c.removeComponentListener(this);
                pcallF(r);
              }
            });
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.addComponentListener(new ComponentAdapter {\r\n      public void componentRes...";
        }
      });
    }
  }

  public static <A extends Component> A _recordNewSwingComponent(A c) {
    if (c != null)
      callF((Object) vm_generalMap_get("newSwingComponentRegistry"), (Object) c);
    return c;
  }

  public static JScrollPane jscroll(final Component c) {
    return swing(new F0<JScrollPane>() {

      public JScrollPane get() {
        try {
          return new JScrollPane(c);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret new JScrollPane(c);";
      }
    });
  }

  public static String getClassName(Object o) {
    return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
  }

  public static void addActionListener(JTextField tf, final Runnable action) {
    onEnter(tf, action);
  }

  public static void addActionListener(final JComboBox cb, final Runnable action) {
    if (cb != null) {
      swing(new Runnable() {

        public void run() {
          try {
            cb.addActionListener(actionListener(action));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "cb.addActionListener(actionListener(action));";
        }
      });
    }
  }

  public static void addActionListener(final AbstractButton b, final Runnable action) {
    if (b != null) {
      swing(new Runnable() {

        public void run() {
          try {
            b.addActionListener(actionListener(action));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "b.addActionListener(actionListener(action));";
        }
      });
    }
  }

  public static String selectedItem(JList l) {
    return getSelectedItem(l);
  }

  public static String selectedItem(JComboBox cb) {
    return getSelectedItem(cb);
  }

  public static JTextArea jLiveValueTextArea_bothWays(final SimpleLiveValue<String> lv) {
    final JTextArea ta = typeWriterTextArea();
    bindTextComponentToLiveValue_bothWays(ta, lv);
    return ta;
  }

  public static SimpleLiveValue dm_fieldLiveValue(String fieldName) {
    return dm_fieldLiveValue(dm_current_mandatory(), fieldName);
  }

  public static SimpleLiveValue dm_fieldLiveValue(final DynModule module, final String fieldName) {
    Lock __2027 = module.lock;
    lock(__2027);
    try {
      Class type = getFieldType(module, fieldName);
      final SimpleLiveValue value = new SimpleLiveValue(type, get(module, fieldName));
      module.onChange(new Runnable() {

        public void run() {
          try {
            Object o = get(module, fieldName);
            value.set(o);
            ;
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "ifdef dm_fieldLiveValue_debug\r\n      print(\"dm_fieldLiveValue: setting \" + fi...";
        }
      });
      value.onChange(new Runnable() {

        public void run() {
          try {
            module.setField(fieldName, value.get());
            ;
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "ifdef dm_fieldLiveValue_debug\r\n      print(\"dm_fieldLiveValue: setting 2 \" + ...";
        }
      });
      return value;
    } finally {
      unlock(__2027);
    }
  }

  public static JPanel jRightAlignedLine(Component... components) {
    return jrightAlignedLine(components);
  }

  public static JPanel jRightAlignedLine(List<? extends Component> components) {
    return jrightAlignedLine(components);
  }

  public static JTextArea wordWrapTypeWriterTextArea() {
    return wrappedTextArea(newTypeWriterTextArea());
  }

  public static JTextArea wordWrapTypeWriterTextArea(String text) {
    return wrappedTextArea(newTypeWriterTextArea(text));
  }

  public static String joinStrings(String sep, String... strings) {
    return joinStrings(sep, Arrays.asList(strings));
  }

  public static String joinStrings(String sep, Collection<String> strings) {
    StringBuilder buf = new StringBuilder();
    for (String s : unnull(strings)) if (nempty(s)) {
      if (nempty(buf))
        buf.append(sep);
      buf.append(s);
    }
    return str(buf);
  }

  public static String programName() {
    return getProgramName();
  }

  public static void callF_thread(final Object f, final Object... args) {
    if (f != null)
      startThread(new Runnable() {

        public void run() {
          try {
            callF(f, args);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "callF(f, args);";
        }
      });
  }

  public static <A extends JComponent> A renameSubmitButton(A form, String newName) {
    renameButton(form, showFormSubmitButtonName(), newName);
    return form;
  }

  public static <A extends JComponent> A renameSubmitButton(String newName, A form) {
    return renameSubmitButton(form, newName);
  }

  public static Component wrapForSmartAdd(Object o) {
    if (o == null)
      return jpanel();
    if (o instanceof String)
      return jlabel((String) o);
    return wrap(o);
  }

  public static Object[] flattenArray2(Object... a) {
    List l = new ArrayList();
    if (a != null)
      for (Object x : a) if (x instanceof Object[])
        l.addAll(asList((Object[]) x));
      else if (x instanceof Collection)
        l.addAll((Collection) x);
      else
        l.add(x);
    return asObjectArray(l);
  }

  public static <A> List<A> withoutNulls(List<A> l) {
    if (!containsNulls(l))
      return l;
    List<A> l2 = new ArrayList();
    for (A a : l) if (a != null)
      l2.add(a);
    return l2;
  }

  public static <A, B> Map<A, B> withoutNulls(Map<A, B> map) {
    Map<A, B> map2 = similarEmptyMap(map);
    for (A a : keys(map)) if (a != null) {
      B b = map.get(a);
      if (b != null)
        map2.put(a, b);
    }
    return map2;
  }

  public static boolean newButton_autoToolTip = true;

  public static JButton newButton(final String text, final Object action) {
    return swing(new F0<JButton>() {

      public JButton get() {
        try {
          String text2 = dropPrefix("[disabled] ", text);
          final JButton btn = new JButton(text2);
          if (l(text2) < l(text))
            btn.setEnabled(false);
          if (newButton_autoToolTip) {
            btn.setToolTipText(btn.getText());
          }
          if (action != null)
            btn.addActionListener(actionListener(action, btn));
          return btn;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "S text2 = dropPrefix(\"[disabled] \", text);\r\n    final JButton btn = new JButt...";
      }
    });
  }

  public static String unicode_downPointingTriangle() {
    return charToString(0x25BC);
  }

  public static void fillJPopupMenu(JPopupMenu m, Object... x) {
    if (x == null)
      return;
    for (int i = 0; i < l(x); i++) {
      Object o = x[i], y = get(x, i + 1);
      if (o instanceof List)
        fillJPopupMenu(m, asArray((List) o));
      else if (isMenuSeparatorIndicator(o))
        m.addSeparator();
      else if (o instanceof LiveValue && ((LiveValue) o).getType() == String.class && isRunnableX(y)) {
        final LiveValue<String> lv = (LiveValue<String>) (o);
        final JMenuItem mi = jmenuItem("", y);
        bindLiveValueListenerToComponent(mi, lv, new Runnable() {

          public void run() {
            try {
              String s = lv.get();
              if (isCurlyBracketed(s)) {
                setEnabled(mi, false);
                s = unCurlyBracket(s);
              } else
                setEnabled(mi, true);
              setText(mi, s);
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "String s = lv.get();\r\n        if (isCurlyBracketed(s)) {\r\n          setEnable...";
          }
        });
        m.add(mi);
      } else if (o instanceof String && isRunnableX(y)) {
        m.add(jmenuItem((String) o, y));
        ++i;
      } else if (o instanceof JMenuItem)
        m.add((JMenuItem) o);
      else if (o instanceof String || o instanceof Action || o instanceof Component)
        call(m, "add", o);
      else
        print("Unknown menu item: " + o);
    }
  }

  public static Object[] paramsWithout(Object[] a1, Object... keys) {
    Set set = lithashset(keys);
    List l = new ArrayList();
    for (int i = 0; i + 1 < l(a1); i += 2) if (!set.contains(a1[i])) {
      l.add(a1[i]);
      l.add(a1[i + 1]);
    }
    return toObjectArray(l);
  }

  public static <A> A heldInstance(Class<A> c) {
    List<Object> l = holdInstance_l.get();
    for (int i = l(l) - 1; i >= 0; i--) {
      Object o = l.get(i);
      if (isInstanceOf(o, c))
        return (A) o;
    }
    throw fail("No instance of " + className(c) + " held");
  }

  public static int getPreferredWidth(Component c) {
    return preferredWidth(c);
  }

  public static <A> A swingCall(final Object o, final String method, final Object... args) {
    return swing(new F0<A>() {

      public A get() {
        try {
          return call(o, method, args);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret call(o, method, args);";
      }
    });
  }

  public static boolean contains(Collection c, Object o) {
    return c != null && c.contains(o);
  }

  public static boolean contains(Object[] x, Object o) {
    if (x != null)
      for (Object a : x) if (eq(a, o))
        return true;
    return false;
  }

  public static boolean contains(String s, char c) {
    return s != null && s.indexOf(c) >= 0;
  }

  public static boolean contains(String s, String b) {
    return s != null && s.indexOf(b) >= 0;
  }

  public static boolean contains(BitSet bs, int i) {
    return bs != null && bs.get(i);
  }

  public static char lastChar(String s) {
    return empty(s) ? '\0' : s.charAt(l(s) - 1);
  }

  public static <A, B, C, D> List<T3<A, B, C>> collectThreeFieldsAsTriple(final String fieldA, final String fieldB, final String fieldC, Iterable<D> l) {
    return map(l, new F1<C, T3<A, B, C>>() {

      public T3<A, B, C> get(C c) {
        try {
          return t3((A) getOpt(c, fieldA), (B) getOpt(c, fieldB), (C) getOpt(c, fieldC));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "t3((A) getOpt(c, fieldA), (B) getOpt(c, fieldB), (C) getOpt(c, fieldC))";
      }
    });
  }

  public static MultiMap<String, String> ai_gazelle_indexStatementsByRule(List<String> statements) {
    MultiMap<String, String> mm = new MultiMap();
    for (Matches m : getMatchesX_all("Rule *: ...", statements)) mm.put(m.unq(0), m.rest());
    return mm;
  }

  public static class dm_gazelle_statementsFromAppliedRules_ByRule {

    public String ruleID;

    public TreeSet<String> statements = new TreeSet();
  }

  public static List<String> dm_gazelle_statementsFromAppliedRules() {
    List concepts = cloneList((List) dm_requireAndCall("#1021413/AppliedRules", "concepts"));
    Map<String, dm_gazelle_statementsFromAppliedRules_ByRule> ruleMap = new HashMap();
    for (Object c : concepts) {
      try {
        String judgement = getString("judgement", c);
        String struct = getString("matchedRuleStruct", c);
        RuleEngine2_MatchedRule mr = unstruct(struct);
        String ruleID = mr.rule.globalID;
        dm_gazelle_statementsFromAppliedRules_ByRule r = getOrCreate_f1(ruleMap, ruleID, new F1<String, dm_gazelle_statementsFromAppliedRules_ByRule>() {

          public dm_gazelle_statementsFromAppliedRules_ByRule get(String ruleID) {
            try {
              return nu(dm_gazelle_statementsFromAppliedRules_ByRule.class, "ruleID", ruleID);
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "nu(dm_gazelle_statementsFromAppliedRules_ByRule, +ruleID)";
          }
        });
        r.statements.addAll(ai_gazelle_statementsFromAppliedRule(mr, judgement));
      } catch (Throwable __e) {
        _handleException(__e);
      }
    }
    List<String> out = new ArrayList();
    for (dm_gazelle_statementsFromAppliedRules_ByRule r : values(ruleMap)) for (String s : r.statements) out.add("Rule " + r.ruleID + ": " + s);
    return out;
  }

  public static Map mapValues(Object func, Map map) {
    Map m = similarEmptyMap(map);
    for (Object key : keys(map)) m.put(key, callF(func, map.get(key)));
    return m;
  }

  public static Map mapValues(Map map, Object func) {
    return mapValues(func, map);
  }

  public static class ai_gazelle_analyzeStatementsForRule_Data {

    public Set<String> possibleVars, usedVars, unusedVars, varsUsedInGood, varsUsedInBad, varsUsedInGoodOnly, varsUsedInBadOnly;

    public Set<String> unclearVars;

    public MultiMap<String, String> goodMappings, badMappings, alwaysGoodMappings, alwaysBadMappings;

    public List<Map<String, String>> completeGoodMappings, completeBadMappings;
  }

  public static ai_gazelle_analyzeStatementsForRule_Data ai_gazelle_analyzeStatementsForRule(Collection<String> l) {
    Set<String> possibleVars = asCISet(matchAny_firstGroups("possible variable *", l));
    Set<String> usedVars = asCISet(matchX_any_firstGroups("... variable * was used", l));
    Set<String> unusedVars = asCISet(listMinusSet(possibleVars, usedVars));
    Set<String> varsUsedInGood = asCISet(matchX_any_firstGroups("in a good mapping, variable * was used", l));
    Set<String> varsUsedInBad = asCISet(matchX_any_firstGroups("in a bad mapping, variable * was used", l));
    Set<String> unclearVars = setIntersection(varsUsedInGood, varsUsedInBad);
    MultiMap<String, String> goodMappings = uniquifyMultiMapValues(pairsToMultiMap(matchX_any_firstAndSecondGroups("in a good mapping, variable * was mapped to *", l)));
    MultiMap<String, String> badMappings = uniquifyMultiMapValues(pairsToMultiMap(matchX_any_firstAndSecondGroups("in a bad mapping, variable * was mapped to *", l)));
    MultiMap<String, String> alwaysGoodMappings = multiMapDiff(goodMappings, badMappings);
    MultiMap<String, String> alwaysBadMappings = multiMapDiff(badMappings, goodMappings);
    List<Map<String, String>> completeGoodMappings = map("safeUnstruct", matchX_any_firstGroups("a good mapping is *", l));
    List<Map<String, String>> completeBadMappings = map("safeUnstruct", matchX_any_firstGroups("a bad mapping is *", l));
    return nu(ai_gazelle_analyzeStatementsForRule_Data.class, "possibleVars", possibleVars, "usedVars", usedVars, "unusedVars", unusedVars, "varsUsedInGood", varsUsedInGood, "varsUsedInBad", varsUsedInBad, "unclearVars", unclearVars, "varsUsedInGoodOnly", setDiff(varsUsedInGood, varsUsedInBad), "varsUsedInBadOnly", setDiff(varsUsedInBad, varsUsedInGood), "goodMappings", goodMappings, "badMappings", badMappings, "alwaysGoodMappings", alwaysGoodMappings, "alwaysBadMappings", alwaysBadMappings, "completeGoodMappings", completeGoodMappings, "completeBadMappings", completeBadMappings);
  }

  public static <A, B> Map<A, List<B>> multiMapToMap(MultiMap<A, B> m) {
    return m == null ? null : m.data;
  }

  public static <A> Object dm_codeWithHintsToFunctionOnString(String code) {
    return dm_codeWithHintsToFunctionOnString(code, "");
  }

  public static <A> Object dm_codeWithHintsToFunctionOnString(String code, String hints) {
    return dm_requireAndCallModule("#1021247/FunctionsOnStrings", "getFunction", code, hints);
  }

  public static <A> List<A> syncList() {
    return synchroList();
  }

  public static <A> List<A> syncList(List<A> l) {
    return synchroList(l);
  }

  public static Map<String, Class> classForName_cache = synchroHashMap();

  public static Class classForName(String name) {
    try {
      Class c = classForName_cache.get(name);
      if (c == null)
        classForName_cache.put(name, c = Class.forName(name));
      return c;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map<Class, Constructor> nuObjectWithoutArguments_cache = newDangerousWeakHashMap();

  public static Object nuObjectWithoutArguments(String className) {
    try {
      return nuObjectWithoutArguments(classForName(className));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A> A nuObjectWithoutArguments(Class<A> c) {
    try {
      if (nuObjectWithoutArguments_cache == null)
        return (A) nuObjectWithoutArguments_findConstructor(c).newInstance();
      Constructor m = nuObjectWithoutArguments_cache.get(c);
      if (m == null)
        nuObjectWithoutArguments_cache.put(c, m = nuObjectWithoutArguments_findConstructor(c));
      return (A) m.newInstance();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Constructor nuObjectWithoutArguments_findConstructor(Class c) {
    for (Constructor m : c.getDeclaredConstructors()) if (empty(m.getParameterTypes())) {
      m.setAccessible(true);
      return m;
    }
    throw fail("No default constructor found in " + c.getName());
  }

  public static List<Class> getClasses(Object[] array) {
    List<Class> l = new ArrayList();
    for (Object o : array) l.add(_getClass(o));
    return l;
  }

  public 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);
  }

  public static <A, B> Set<A> keys(Map<A, B> map) {
    return map == null ? new HashSet() : map.keySet();
  }

  public static Set keys(Object map) {
    return keys((Map) map);
  }

  public static <A, B> Set<A> keys(MultiMap<A, B> mm) {
    return mm.keySet();
  }

  public 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);
        f.setAccessible(true);
        smartSet(f, o, value);
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
  }

  public static void set(Class c, String field, Object value) {
    try {
      Field f = set_findStaticField(c, field);
      f.setAccessible(true);
      smartSet(f, null, value);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }

  public static Field set_findStaticField(Class<?> c, String field) {
    Class _c = c;
    do {
      for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
      _c = _c.getSuperclass();
    } while (_c != null);
    throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
  }

  public static Field set_findField(Class<?> c, String field) {
    Class _c = c;
    do {
      for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field))
        return f;
      _c = _c.getSuperclass();
    } while (_c != null);
    throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
  }

  public static void failIfOddCount(Object... list) {
    if (odd(l(list)))
      throw fail("Odd list size: " + list);
  }

  public static <A> A dm_requireAndCallModule(String moduleLibID, String method, Object... args) {
    return dm_callModule(dm_requireModule(moduleLibID), method, args);
  }

  public static boolean swic(String a, String b) {
    return startsWithIgnoreCase(a, b);
  }

  public static boolean swic(String a, String b, Matches m) {
    if (!swic(a, b))
      return false;
    m.m = new String[] { substring(a, l(b)) };
    return true;
  }

  public static boolean ewic(String a, String b) {
    return endsWithIgnoreCase(a, b);
  }

  public static boolean ewic(String a, String b, Matches m) {
    return endsWithIgnoreCase(a, b, m);
  }

  public static boolean containsNewLines(String s) {
    return containsNewLine(s);
  }

  public static String jlabel_textAsHTML_center(String text) {
    return "<html><div style=\"text-align: center;\">" + replace(htmlencode(text), "\n", "<br>") + "</div></html>";
  }

  public static boolean activateFrame(final Component c) {
    return swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          Frame f = getAWTFrame(c);
          if (f == null)
            return false;
          if (!f.isVisible())
            f.setVisible(true);
          if (f.getState() == Frame.ICONIFIED)
            f.setState(Frame.NORMAL);
          if (isWindows()) {
            boolean fullscreen = f.getExtendedState() == Frame.MAXIMIZED_BOTH;
            f.setExtendedState(JFrame.ICONIFIED);
            f.setExtendedState(fullscreen ? JFrame.MAXIMIZED_BOTH : JFrame.NORMAL);
          }
          f.toFront();
          return true;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Frame f = getAWTFrame(c);\r\n    if (f == null) false;\r\n    if (!f.isVisible())...";
      }
    });
  }

  public static Frame getAWTFrame(final Object _o) {
    return swing(new F0<Frame>() {

      public Frame get() {
        try {
          Object o = _o;
          if (o instanceof ButtonGroup)
            o = first(buttonsInGroup((ButtonGroup) o));
          if (!(o instanceof Component))
            return null;
          Component c = (Component) o;
          while (c != null) {
            if (c instanceof Frame)
              return (Frame) c;
            c = c.getParent();
          }
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "O o = _o;\r\n    /*\r\n    ifdef HaveProcessing\r\n      if (o instanceof PApplet) ...";
      }
    });
  }

  public static <A extends JComponent> A setFont(final Font font, final A a) {
    if (a != null) {
      swing(new Runnable() {

        public void run() {
          try {
            a.setFont(font);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "a.setFont(font);";
        }
      });
    }
    return a;
  }

  public static <A extends JComponent> A setFont(A a, Font font) {
    return setFont(font, a);
  }

  public static <A extends JComponent> A setFont(final String fontID, float fontSize, final A a) {
    return setFont(loadFont_cached(fontID, fontSize), a);
  }

  public static JTextArea jTextArea() {
    return jTextArea("");
  }

  public static JTextArea jTextArea(final String text) {
    return jTextAreaWithUndo(text);
  }

  public static Font typeWriterFont() {
    return typeWriterFont(iround(14 * getSwingFontScale()));
  }

  public static Font typeWriterFont(int size) {
    return new Font("Courier", Font.PLAIN, size);
  }

  public static String programTitle() {
    return getProgramName();
  }

  public static JFrame getFrame(final Object _o) {
    return swing(new F0<JFrame>() {

      public JFrame get() {
        try {
          Object o = _o;
          if (o instanceof ButtonGroup)
            o = first(buttonsInGroup((ButtonGroup) o));
          if (!(o instanceof Component))
            return null;
          Component c = (Component) o;
          while (c != null) {
            if (c instanceof JFrame)
              return (JFrame) c;
            c = c.getParent();
          }
          return null;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "O o = _o;\r\n    if (o instanceof ButtonGroup) o = first(buttonsInGroup((Button...";
      }
    });
  }

  public static JFrame setFrameIconLater(Component c, final String imageID) {
    final JFrame frame = getFrame(c);
    if (frame != null)
      startThread("Loading Icon", new Runnable() {

        public void run() {
          try {
            final Image i = imageIcon(or2(imageID, "#1005557")).getImage();
            swingLater(new Runnable() {

              public void run() {
                try {
                  frame.setIconImage(i);
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "frame.setIconImage(i);";
              }
            });
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "final Image i = imageIcon(or2(imageID, \"#1005557\")).getImage();\r\n      swingL...";
        }
      });
    return frame;
  }

  public static void _initFrame(JFrame f) {
    myFrames_list.put(f, Boolean.TRUE);
    standardTitlePopupMenu(f);
  }

  public static Rectangle defaultNewFrameBounds_r = new Rectangle(300, 100, 500, 400);

  public static Rectangle defaultNewFrameBounds() {
    return swing(new F0<Rectangle>() {

      public Rectangle get() {
        try {
          defaultNewFrameBounds_r.translate(60, 20);
          if (!screenRectangle().contains(defaultNewFrameBounds_r))
            defaultNewFrameBounds_r.setLocation(30 + random(30), 20 + random(20));
          return new Rectangle(defaultNewFrameBounds_r);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "defaultNewFrameBounds_r.translate(60, 20);\r\n    if (!screenRectangle().contai...";
      }
    });
  }

  public static void hideConsole() {
    final JFrame frame = consoleFrame();
    if (frame != null) {
      autoVMExit();
      swingLater(new Runnable() {

        public void run() {
          try {
            frame.setVisible(false);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "frame.setVisible(false);";
        }
      });
    }
  }

  public static String getProgramTitle() {
    return getProgramName();
  }

  public static int javaTok_n, javaTok_elements;

  public static boolean javaTok_opt;

  public static List<String> javaTok(String s) {
    ++javaTok_n;
    ArrayList<String> tok = new ArrayList();
    int l = s == null ? 0 : s.length();
    int i = 0, n = 0;
    while (i < l) {
      int j = i;
      char c, d;
      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;
      }
      tok.add(javaTok_substringN(s, i, j));
      ++n;
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      d = i + 1 >= l ? '\0' : s.charAt(i + 1);
      if (c == '\'' && Character.isJavaIdentifierStart(d) && i + 2 < l && "'\\".indexOf(s.charAt(i + 2)) < 0) {
        j += 2;
        while (j < l && Character.isJavaIdentifierPart(s.charAt(j))) ++j;
      } else if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          int c2 = s.charAt(j);
          if (c2 == opener || c2 == '\n' && opener == '\'') {
            ++j;
            break;
          } else if (c2 == '\\' && j + 1 < l)
            j += 2;
          else
            ++j;
        }
      } else if (Character.isJavaIdentifierStart(c))
        do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0));
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L')
          ++j;
      } else if (c == '[' && d == '[') {
        do ++j; while (j + 1 < l && !s.substring(j, j + 2).equals("]]"));
        j = Math.min(j + 2, l);
      } else if (c == '[' && d == '=' && i + 2 < l && s.charAt(i + 2) == '[') {
        do ++j; while (j + 2 < l && !s.substring(j, j + 3).equals("]=]"));
        j = Math.min(j + 3, l);
      } else
        ++j;
      tok.add(javaTok_substringC(s, i, j));
      ++n;
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    javaTok_elements += tok.size();
    return tok;
  }

  public static List<String> javaTok(List<String> tok) {
    return javaTokWithExisting(join(tok), tok);
  }

  public static boolean odd(int i) {
    return (i & 1) != 0;
  }

  public static boolean odd(long i) {
    return (i & 1) != 0;
  }

  public static boolean odd(BigInteger i) {
    return odd(toInt(i));
  }

  public static boolean containsNewLine(String s) {
    return contains(s, '\n');
  }

  public static String rtrimSpaces(String s) {
    if (s == null)
      return null;
    int i = s.length();
    while (i > 0 && " \t".indexOf(s.charAt(i - 1)) >= 0) --i;
    return i < s.length() ? s.substring(0, i) : s;
  }

  public static <A> String join(String glue, Iterable<A> strings) {
    if (strings == null)
      return "";
    if (strings instanceof Collection) {
      if (((Collection) strings).size() == 1)
        return str(first(((Collection) strings)));
    }
    StringBuilder buf = new StringBuilder();
    Iterator<A> 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 <A> String join(Iterable<A> strings) {
    return join("", strings);
  }

  public static <A> String join(Iterable<A> strings, String glue) {
    return join(glue, strings);
  }

  public static String join(String[] strings) {
    return join("", strings);
  }

  public static String join(String glue, Pair p) {
    return p == null ? "" : str(p.a) + glue + str(p.b);
  }

  public static Map<String, List<String>> javaTokNPunctuationWithBrackets_cache = synchronizedMRUCache(1000);

  public static List<String> javaTokNPunctuationWithBrackets(String s) {
    List<String> tok = javaTokNPunctuationWithBrackets_cache.get(s);
    if (tok == null)
      javaTokNPunctuationWithBrackets_cache.put(s, tok = javaTokNPunctuationWithBrackets_uncached(s));
    return tok;
  }

  public static List<String> javaTokNPunctuationWithBrackets_uncached(String s) {
    return tok_combineRoundOrCurlyBrackets_keep(javaTokNPunctuation_bracketsInC(s));
  }

  public static ThreadLocal<List<Object>> holdInstance_l = new ThreadLocal();

  public static AutoCloseable holdInstance(Object o) {
    if (o == null)
      return null;
    listThreadLocalAdd(holdInstance_l, o);
    return new AutoCloseable() {

      public void close() {
        listThreadLocalPopLast(holdInstance_l);
      }
    };
  }

  public static List<String> javaTokNoQuotes(String s) {
    return quotelessJavaTok(s);
  }

  public static List<String> javaTokNoQuotesWithBrackets(String s) {
    return tok_combineRoundOrCurlyBrackets_keep(javaTokNoQuotes(s));
  }

  public static Map<JFrame, Boolean> myFrames_list = weakHashMap();

  public static List<JFrame> myFrames() {
    return swing(new F0<List<JFrame>>() {

      public List<JFrame> get() {
        try {
          return keysList(myFrames_list);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret keysList(myFrames_list);";
      }
    });
  }

  public static String getStackTrace2(Throwable e) {
    return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ", hideCredentials(str(innerException2(e)))) + "\n");
  }

  public static boolean isSnippetID(String s) {
    try {
      parseSnippetID(s);
      return true;
    } catch (RuntimeException e) {
      return false;
    }
  }

  public static long parseSnippetID(String snippetID) {
    long id = Long.parseLong(shortenSnippetID(snippetID));
    if (id == 0)
      throw fail("0 is not a snippet ID");
    return id;
  }

  public static boolean isAWTThread() {
    if (isAndroid())
      return false;
    if (isHeadless())
      return false;
    return isAWTThread_awt();
  }

  public static boolean isAWTThread_awt() {
    return SwingUtilities.isEventDispatchThread();
  }

  public static void failIfUnlicensed() {
    assertTrue("license off", licensed());
  }

  public static Thread currentThread() {
    return Thread.currentThread();
  }

  public static Object sleepQuietly_monitor = new Object();

  public static void sleepQuietly() {
    try {
      assertFalse(isAWTThread());
      synchronized (sleepQuietly_monitor) {
        sleepQuietly_monitor.wait();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static int toInt_checked(long l) {
    if (l != (int) l)
      throw fail("Too large for int: " + l);
    return (int) l;
  }

  public static Runnable _topLevelErrorHandling(final Runnable runnable) {
    final Object info = _threadInfo();
    return new Runnable() {

      public void run() {
        try {
          try {
            _threadInheritInfo(info);
            runnable.run();
          } catch (Throwable __e) {
            _handleException(__e);
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "pcall {\r\n      _threadInheritInfo(info);\r\n      runnable.run();\r\n    }";
      }
    };
  }

  public static <A> WeakReference<A> weakRef(A a) {
    return newWeakReference(a);
  }

  public static Throwable printStackTrace(Throwable e) {
    print(getStackTrace(e));
    return e;
  }

  public static void printStackTrace() {
    printStackTrace(new Throwable());
  }

  public static void printStackTrace(String msg) {
    printStackTrace(new Throwable(msg));
  }

  public static void lockOrFail(Lock lock, long timeout) {
    try {
      ping();
      if (!lock.tryLock(timeout, TimeUnit.MILLISECONDS)) {
        String s = "Couldn't acquire lock after " + timeout + " ms.";
        if (lock instanceof ReentrantLock) {
          ReentrantLock l = (ReentrantLock) (lock);
          s += " Hold count: " + l.getHoldCount() + ", owner: " + call(l, "getOwner");
        }
        throw fail(s);
      }
      ping();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static ReentrantLock fairLock() {
    return new ReentrantLock(true);
  }

  public static File DiskSnippetCache_file(long snippetID) {
    return new File(getGlobalCache(), "data_" + snippetID + ".jar");
  }

  public static File DiskSnippetCache_getLibrary(long snippetID) throws IOException {
    File file = DiskSnippetCache_file(snippetID);
    return file.exists() ? file : null;
  }

  public static void DiskSnippetCache_putLibrary(long snippetID, byte[] data) throws IOException {
    saveBinaryFile(DiskSnippetCache_file(snippetID), data);
  }

  public static byte[] loadDataSnippetImpl(String snippetID) throws IOException {
    byte[] data;
    try {
      URL url = new URL(dataSnippetLink(snippetID));
      print("Loading library: " + hideCredentials(url));
      try {
        data = loadBinaryPage(url.openConnection());
      } catch (RuntimeException e) {
        data = null;
      }
      if (data == null || data.length == 0) {
        url = new URL("http://data.tinybrain.de/blobs/" + parseSnippetID(snippetID));
        print("Loading library: " + hideCredentials(url));
        data = loadBinaryPage(url.openConnection());
      }
      print("Bytes loaded: " + data.length);
    } catch (FileNotFoundException e) {
      throw new IOException("Binary snippet #" + snippetID + " not found or not public");
    }
    return data;
  }

  public static long fileSize(String path) {
    return getFileSize(path);
  }

  public static long fileSize(File f) {
    return getFileSize(f);
  }

  public static File loadDataSnippetToFile(String snippetID) {
    try {
      snippetID = fsI(snippetID);
      File f = DiskSnippetCache_file(parseSnippetID(snippetID));
      List<URL> urlsTried = new ArrayList();
      List<Throwable> errors = new ArrayList();
      try {
        URL url = addAndReturn(urlsTried, new URL(dataSnippetLink(snippetID)));
        print("Loading library: " + hideCredentials(url));
        try {
          loadBinaryPageToFile(openConnection(url), f);
          if (fileSize(f) == 0)
            throw fail();
        } catch (Throwable e) {
          errors.add(e);
          url = addAndReturn(urlsTried, new URL("http://data.tinybrain.de/blobs/" + psI(snippetID)));
          print("Trying other server: " + hideCredentials(url));
          loadBinaryPageToFile(openConnection(url), f);
          print("Got bytes: " + fileSize(f));
        }
        if (fileSize(f) == 0)
          throw fail();
        System.err.println("Bytes loaded: " + fileSize(f));
      } catch (Throwable e) {
        printStackTrace(e);
        errors.add(e);
        throw fail("Binary snippet " + snippetID + " not found or not public. URLs tried: " + allToString(urlsTried) + ", errors: " + allToString(errors));
      }
      return f;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] isGIF_magic = bytesFromHex("47494638");

  public static boolean isGIF(byte[] data) {
    return byteArrayStartsWith(data, isGIF_magic);
  }

  public static boolean isGIF(File f) {
    return isGIF(loadBeginningOfBinaryFile(f, l(isGIF_magic)));
  }

  public static String f2s(File f) {
    return f == null ? null : f.getAbsolutePath();
  }

  public static String f2s(java.nio.file.Path p) {
    return p == null ? null : f2s(p.toFile());
  }

  public static <A> void setVar(IVar<A> v, A value) {
    if (v != null)
      v.set(value);
  }

  public static int parseInt(String s) {
    return empty(s) ? 0 : Integer.parseInt(s);
  }

  public static int parseInt(char c) {
    return Integer.parseInt(str(c));
  }

  public static void messageBox(final String msg) {
    if (headless())
      print(msg);
    else {
      swing(new Runnable() {

        public void run() {
          try {
            JOptionPane.showMessageDialog(null, msg, "JavaX", JOptionPane.INFORMATION_MESSAGE);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "JOptionPane.showMessageDialog(null, msg, \"JavaX\", JOptionPane.INFORMATION_MES...";
        }
      });
    }
  }

  public static void messageBox(Throwable e) {
    printStackTrace(e);
    messageBox(hideCredentials(innerException2(e)));
  }

  public static <A> Set<A> synchronizedSet() {
    return synchroHashSet();
  }

  public static <A> Set<A> synchronizedSet(Set<A> set) {
    return Collections.synchronizedSet(set);
  }

  public static <A> Set<A> identityHashSet() {
    return Collections.newSetFromMap(new IdentityHashMap());
  }

  public static <A> A _get(List<A> l, int idx) {
    return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
  }

  public static Object _get(Object o, String field) {
    return get(o, field);
  }

  public static Object _get(String field, Object o) {
    return get(o, field);
  }

  public static <A> A _get(A[] l, int idx) {
    return idx >= 0 && idx < l(l) ? l[idx] : null;
  }

  public static Runnable addThreadInfoToRunnable(final Object r) {
    final Object info = _threadInfo();
    return info == null ? asRunnable(r) : new Runnable() {

      public void run() {
        try {
          _inheritThreadInfo(info);
          callF(r);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "_inheritThreadInfo(info); callF(r);";
      }
    };
  }

  public static List map(Iterable l, Object f) {
    return map(f, l);
  }

  public static List map(Object f, Iterable l) {
    List x = emptyList(l);
    if (l != null)
      for (Object o : l) x.add(callF(f, o));
    return x;
  }

  public static <A, B> List<B> map(Iterable<A> l, F1<A, B> f) {
    return map(f, l);
  }

  public static <A, B> List<B> map(F1<A, B> f, Iterable<A> l) {
    List x = emptyList(l);
    if (l != null)
      for (Object o : l) x.add(callF(f, o));
    return x;
  }

  public static List map(Object f, Object[] l) {
    return map(f, asList(l));
  }

  public static List map(Object[] l, Object f) {
    return map(f, l);
  }

  public static List map(Object f, Map map) {
    return map(map, f);
  }

  public static List map(Map map, Object f) {
    List x = new ArrayList();
    if (map != null)
      for (Object _e : map.entrySet()) {
        Map.Entry e = (Map.Entry) _e;
        x.add(callF(f, e.getKey(), e.getValue()));
      }
    return x;
  }

  public static <A> IterableIterator<A> enumerationToIterator(final Enumeration<A> e) {
    return e == null ? null : new IterableIterator() {

      public boolean hasNext() {
        return e.hasMoreElements();
      }

      public A next() {
        return e.nextElement();
      }
    };
  }

  public static ArrayList emptyList() {
    return new ArrayList();
  }

  public static ArrayList emptyList(int capacity) {
    return new ArrayList(max(0, capacity));
  }

  public static ArrayList emptyList(Iterable l) {
    return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
  }

  public static <A> ArrayList<A> emptyList(Class<A> c) {
    return new ArrayList();
  }

  public static Map emptyMap() {
    return new HashMap();
  }

  public static Throwable getInnerException(Throwable e) {
    if (e == null)
      return null;
    while (e.getCause() != null) e = e.getCause();
    return e;
  }

  public static Throwable getInnerException(Runnable r) {
    return getInnerException(getException(r));
  }

  public static Object collectionMutex(Object o) {
    String c = className(o);
    if (eq(c, "java.util.TreeMap$KeySet"))
      c = className(o = getOpt(o, "m"));
    else if (eq(c, "java.util.HashMap$KeySet"))
      c = className(o = get_raw(o, "this$0"));
    if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap"))
      c = className(o = get_raw(o, "m"));
    return o;
  }

  public static Object[] litObjectArray(Object... l) {
    return l;
  }

  public static <A> List<A> sortByCalculatedFieldDesc(Collection<A> c, final Object f) {
    return sortByCalculatedFieldDesc_inPlace(cloneList(c), f);
  }

  public static <A> List<A> sortByCalculatedFieldDesc(Object f, Collection<A> c) {
    return sortByCalculatedFieldDesc(c, f);
  }

  public static Object callAndMake(String functionName, Object... args) {
    return callAndMake_orDirect(functionName, args);
  }

  public static List<String> allToString(Collection c) {
    List<String> l = new ArrayList();
    for (Object o : unnull(c)) l.add(str(o));
    return l;
  }

  public static List<String> allToString(Object[] c) {
    List<String> l = new ArrayList();
    for (Object o : unnull(c)) l.add(str(o));
    return l;
  }

  public static <A> TreeMap<String, A> ciMap() {
    return caseInsensitiveMap();
  }

  public static <A> A or(A a, A b) {
    return a != null ? a : b;
  }

  public static String matchAny_firstGroup(String pat, Iterable<String> l) {
    Matches m = new Matches();
    return matchAny(pat, l, m) ? m.unq(0) : null;
  }

  public static boolean ai_ruleEngine2_matchStep(final RuleEngine2_MatchedRule matched, Map<String, String> inputsByType, boolean fillRemainingConditions) {
    RuleEngine2.Rule rule = matched.rule;
    TextAndType in = rule.insWithType.get(matched.iCond);
    matched.iCond++;
    String cond = in.text;
    String tokenize = matched.tokenizationFunction;
    List<String> tokC = (List<String>) callAndMake(tokenize, cond);
    String input = inputsByType.get(in.type);
    if (input == null)
      return false;
    List<String> tokI = (List<String>) callAndMake(tokenize, input);
    if (contains(cond, "{}"))
      tokI = ai_applyWordSplitPattern1(tokC, tokI);
    Map<String, String> map = zipTwoListsToCIMap_strict_withoutEquals(tokC, tokI);
    if (rule.massageMap != null)
      map = (Map<String, String>) callF(rule.massageMap, map, tokC, tokI, matched);
    if (map == null)
      return false;
    if (!addMapToMapWithoutOverwritingIC(matched.map, map))
      return false;
    matched.matchedLines.add(pair(tokC, tokI));
    if (fillRemainingConditions) {
      matched.remainingConditions = nullIfEmpty(map(dropFirst(matched.iCond, rule.in), new F1<String, String>() {

        public String get(String s) {
          try {
            return matched.applyMappingTo(s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "matched.applyMappingTo(s)";
        }
      }));
      matched.remainingConditionsWithType = nullIfEmpty(map(dropFirst(matched.iCond, rule.insWithType), new F1<TextAndType, TextAndType>() {

        public TextAndType get(TextAndType in) {
          try {
            return new TextAndType(matched.applyMappingTo(in.text), in.type);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "TextAndType(matched.applyMappingTo(in.text), in.type)";
        }
      }));
    }
    Map<Pair<String, String>, Integer> qualities = ai_ruleEngine2_mappingQualities(rule);
    for (String a : keys(map)) {
      String b = map.get(a);
      mapPut(matched.mappingQuality, a, qualities.get(pair(a, b)));
    }
    return true;
  }

  public static <A> boolean containsAny(Collection<A> a, Collection<A> b) {
    if (empty(a))
      return false;
    Set<A> set = asSet(b);
    for (A x : a) if (contains(set, x))
      return true;
    return false;
  }

  public static int ai_goodBadToInt(String s) {
    if (eq(s, "good"))
      return 1;
    if (eq(s, "bad"))
      return -1;
    return 0;
  }

  public static CloseableIterableIterator emptyCloseableIterableIterator_instance = new CloseableIterableIterator() {

    public Object next() {
      throw fail();
    }

    public boolean hasNext() {
      return false;
    }
  };

  public static <A> CloseableIterableIterator<A> emptyCloseableIterableIterator() {
    return emptyCloseableIterableIterator_instance;
  }

  public static CloseableIterableIterator<String> linesFromReader(Reader r) {
    final BufferedReader br = bufferedReader(r);
    return iteratorFromFunction_f0_autoCloseable(new F0<String>() {

      public String get() {
        try {
          return readLineFromReaderWithClose(br);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret readLineFromReaderWithClose(br);";
      }
    }, _wrapIOCloseable(r));
  }

  public static BufferedReader utf8bufferedReader(InputStream in) {
    try {
      return bufferedReader(_registerIOWrap(new InputStreamReader(in, "UTF-8"), in));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static BufferedReader utf8bufferedReader(File f) {
    try {
      return utf8bufferedReader(newFileInputStream(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static GZIPInputStream newGZIPInputStream(File f) {
    return gzInputStream(f);
  }

  public static GZIPInputStream newGZIPInputStream(InputStream in) {
    return gzInputStream(in);
  }

  public static Object callFunction(Object f, Object... args) {
    return callF(f, args);
  }

  public static boolean isLetterOrDigit(char c) {
    return Character.isLetterOrDigit(c);
  }

  public static <A, B> Pair<A, B> pair(A a, B b) {
    return new Pair(a, b);
  }

  public static <A> Pair<A, A> pair(A a) {
    return new Pair(a, a);
  }

  public static JPanel showFormTitled_customArrangement(final boolean internalFrame, final F1<List<JComponent>, JPanel> arrange, final String title, final Object... _parts) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          List<JComponent> out = showForm_arrange1(showForm_makeComponents(internalFrame, _parts));
          JPanel panel = callF(arrange, out);
          showForm_makeFrame(title, panel);
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "L<JComponent> out = showForm_arrange1(showForm_makeComponents(internalFrame, ...";
      }
    });
  }

  public static JPanel customLayoutPanel(final Object layouter) {
    return jpanel(layoutManagerFromFunction(layouter));
  }

  public static JPanel customLayoutPanel(final Object layouter, final List<? extends Component> components) {
    return addAllComponents(customLayoutPanel(layouter), components);
  }

  public static List<Component> getComponents(final Component c) {
    return !(c instanceof Container) ? emptyList() : asList(swing(new F0<Component[]>() {

      public Component[] get() {
        try {
          return ((Container) c).getComponents();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret ((Container) c).getComponents();";
      }
    }));
  }

  public static boolean containsATextArea(Component c) {
    return childOfType(c, JTextArea.class) != null;
  }

  public static int totalPreferredHeight(List<Component> l) {
    int h = 0;
    for (Component c : unnull(l)) h += c.getPreferredSize().height;
    return h;
  }

  public static <A> List<A> listWithoutIndicesInBitSet(List<A> l, BitSet bs) {
    List<A> out = new ArrayList();
    for (int i = 0; i < l(l); i++) if (!bs.get(i))
      out.add(l.get(i));
    return out;
  }

  public static double doubleRatio(double x, double y) {
    return y == 0 ? 0 : x / y;
  }

  public static int iround(double d) {
    return (int) Math.round(d);
  }

  public static int iround(Number n) {
    return iround(toDouble(n));
  }

  public static Dimension componentsBoundingSize(Container container, int insetBottomRight) {
    Rectangle r = new Rectangle(0, 0, 0, 0);
    for (Component c : container.getComponents()) r = rectangleUnion(r, c.getBounds());
    return new Dimension(r.x + r.width + insetBottomRight, r.y + r.height + insetBottomRight);
  }

  public static Object quickExport(Object o, Object dest) {
    return quickExport_impl(o, dest, new IdentityHashMap(), new HashMap());
  }

  public static Object quickExport(Object o, Object dest, int expectedNumberOfObjects) {
    return quickExport_impl(o, dest, new IdentityHashMap(expectedNumberOfObjects), new HashMap());
  }

  public static Object quickExport_impl(Object o, Object dest, IdentityHashMap seen, HashMap<Class, Class> classMap) {
    try {
      if (o == null || o instanceof String || o instanceof Number)
        return o;
      Object oo = seen.get(o);
      if (oo != null)
        return oo;
      if (o instanceof Object[]) {
        Object[] l = (Object[]) o;
        Object[] destO = newObjectArrayOfSameType(l, l.length);
        seen.put(o, destO);
        for (int i = 0; i < l.length; i++) destO[i] = quickExport_impl(l[i], dest, seen, classMap);
        return destO;
      }
      if (o instanceof List) {
        List l = (List) (o);
        List destO = new ArrayList(l.size());
        seen.put(o, destO);
        for (int i = 0; i < l.size(); i++) destO.add(quickExport_impl(l.get(i), dest, seen, classMap));
        return destO;
      }
      if (o instanceof Map) {
        Map m = (Map) (o);
        Map destO = new HashMap();
        seen.put(o, destO);
        for (Object e : ((Map) o).entrySet()) destO.put(quickExport_impl(((Map.Entry) e).getKey(), dest, seen, classMap), quickExport_impl(((Map.Entry) e).getValue(), dest, seen, classMap));
        return destO;
      }
      Class c = o.getClass();
      String className = c.getName();
      if (className.startsWith("main$")) {
        Class destClass = classMap.get(c);
        if (destClass == null) {
          if (!classMap.containsKey(c)) {
            if (!isAnonymousClassName(className))
              destClass = getClass_vmName(dest, className);
            classMap.put(c, destClass);
          }
          if (destClass == null)
            return o;
        }
        if (c == destClass)
          return o;
        Object destO = nuObjectWithoutArguments(destClass);
        seen.put(o, destO);
        while (c != Object.class) {
          Field[] fields = c.getDeclaredFields();
          for (Field field : fields) {
            if ((field.getModifiers() & Modifier.STATIC) != 0)
              continue;
            field.setAccessible(true);
            Object value = field.get(o);
            setOpt(destO, field.getName(), quickExport_impl(value, dest, seen, classMap));
          }
          c = c.getSuperclass();
        }
        return destO;
      }
      return o;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Object dm_getModule(Object moduleOrID) {
    if (moduleOrID == null || eq(moduleOrID, ""))
      return null;
    if (isString(moduleOrID) && isIdentifier(((String) moduleOrID)))
      return dm_getService(((String) moduleOrID));
    if (isStringOrIntOrLong(moduleOrID))
      return dm_callOS("getDynModuleByID", str(moduleOrID));
    return dm_resolveModule(moduleOrID);
  }

  public static AutoCloseable dm_enter(Object mod) {
    return (AutoCloseable) callOpt(dm_getModule(mod), "enter");
  }

  public static String dm_require(String moduleLibID) {
    return dm_makeModule(moduleLibID);
  }

  public static <A> A setThreadLocalAndReturn(ThreadLocal<A> tl, A value) {
    if (tl != null)
      tl.set(value);
    return value;
  }

  public static <A> A printHidingCredentials(A o) {
    print(hideCredentials(str(o)));
    return o;
  }

  public static String hideCredentials(URL url) {
    return url == null ? null : hideCredentials(str(url));
  }

  public static String hideCredentials(String url) {
    return url.replaceAll("([&?])(_pass|key)=[^&\\s\"]*", "$1$2=<hidden>");
  }

  public static String hideCredentials(Object o) {
    return hideCredentials(str(o));
  }

  public static void logQuotedWithDate(String s) {
    logQuotedWithTime(s);
  }

  public static void logQuotedWithDate(String logFile, String s) {
    logQuotedWithTime(logFile, s);
  }

  public static void logQuotedWithDate(File logFile, String s) {
    logQuotedWithTime(logFile, s);
  }

  public static File infoBoxesLogFile() {
    return new File(javaxDataDir(), "Logs/infoBoxes.txt");
  }

  public static JWindow showWindow(Component c) {
    JWindow w = new JWindow();
    w.add(wrap(c));
    return w;
  }

  public static JPanel infoMessage_makePanel(String text) {
    final JTextArea ta = wrappedTextArea(text);
    onClick(ta, new Runnable() {

      public void run() {
        try {
          disposeWindow(ta);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "disposeWindow(ta)";
      }
    });
    int size = 14;
    if (l(text) <= 50)
      size *= 2;
    else if (l(text) < 100)
      size = iround(size * 1.5);
    ta.setFont(typeWriterFont(size));
    JScrollPane sp = jscroll(ta);
    return withMargin(sp);
  }

  public static int moveToTopRightCorner_inset = 20;

  public static <A extends Component> A moveToTopRightCorner(A a) {
    return moveToTopRightCorner(moveToTopRightCorner_inset, moveToTopRightCorner_inset, a);
  }

  public static <A extends Component> A moveToTopRightCorner(int insetX, int insetY, A a) {
    Window w = getWindow(a);
    if (w != null)
      w.setLocation(getScreenSize().width - w.getWidth() - insetX, insetY);
    return a;
  }

  public static <A extends Window> A disposeWindowAfter(int delay, final A w) {
    if (w != null)
      swingLater(delay, new Runnable() {

        public void run() {
          try {
            w.dispose();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "w.dispose();";
        }
      });
    return w;
  }

  public static <A extends Window> A disposeWindowAfter(A w, double seconds) {
    return disposeWindowAfter(toMS_int(seconds), w);
  }

  public static String exceptionToStringShort(Throwable e) {
    lastException(e);
    e = getInnerException(e);
    String msg = hideCredentials(unnull(e.getMessage()));
    if (msg.indexOf("Error") < 0 && msg.indexOf("Exception") < 0)
      return baseClassName(e) + prependIfNempty(": ", msg);
    else
      return msg;
  }

  public static <A> void scanForComponents(final Component c, final Class<A> theClass, final List<A> l) {
    if (theClass.isInstance(c))
      l.add((A) c);
    if (c instanceof Container) {
      swing(new Runnable() {

        public void run() {
          try {
            for (Component comp : ((Container) c).getComponents()) scanForComponents(comp, theClass, l);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "for (Component comp : ((Container) c).getComponents())\r\n      scanForComponen...";
        }
      });
    }
  }

  public static <A> A vm_generalMap_get(Object key) {
    return (A) vm_generalMap().get(key);
  }

  public static JTextField onEnter(final JTextField tf, final Object action) {
    if (action == null || tf == null)
      return tf;
    tf.addActionListener(new java.awt.event.ActionListener() {

      public void actionPerformed(java.awt.event.ActionEvent _evt) {
        try {
          tf.selectAll();
          callF(action);
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    });
    return tf;
  }

  public static JButton onEnter(JButton btn, final Object action) {
    if (action == null || btn == null)
      return btn;
    btn.addActionListener(actionListener(action));
    return btn;
  }

  public static JList onEnter(JList list, Object action) {
    list.addKeyListener(enterKeyListener(rCallOnSelectedListItem(list, action)));
    return list;
  }

  public static JComboBox onEnter(final JComboBox cb, final Object action) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            if (cb.isEditable()) {
              JTextField text = (JTextField) cb.getEditor().getEditorComponent();
              onEnter(text, action);
            } else {
              cb.getInputMap().put(KeyStroke.getKeyStroke("ENTER"), "enter");
              cb.getActionMap().put("enter", abstractAction("", new Runnable() {

                public void run() {
                  try {
                    cb.hidePopup();
                    callF(action);
                  } catch (Exception __e) {
                    throw rethrow(__e);
                  }
                }

                public String toString() {
                  return "cb.hidePopup(); callF(action);";
                }
              }));
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (cb.isEditable()) {\r\n      JTextField text = (JTextField) cb.getEditor().g...";
        }
      });
    }
    return cb;
  }

  public static JTable onEnter(final JTable table, final Object action) {
    table.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "Enter");
    table.getActionMap().put("Enter", new AbstractAction() {

      public void actionPerformed(ActionEvent e) {
        callF(action, table.getSelectedRow());
      }
    });
    return table;
  }

  public static JTextField onEnter(Object action, JTextField tf) {
    return onEnter(tf, action);
  }

  public static String getSelectedItem(JList l) {
    return (String) l.getSelectedValue();
  }

  public static String getSelectedItem(JComboBox cb) {
    return strOrNull(cb.getSelectedItem());
  }

  public static <A extends JTextComponent> A bindTextComponentToLiveValue_bothWays(final A tc, final SimpleLiveValue<String> lv) {
    bindLiveValueListenerToComponent(tc, lv, new Runnable() {

      public void run() {
        try {
          setTextKeepCaret(tc, lv.get());
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "setTextKeepCaret(tc, lv.get())";
      }
    });
    onChange(tc, new Runnable() {

      public void run() {
        try {
          lv.set(getText(tc));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "lv.set(getText(tc))";
      }
    });
    return tc;
  }

  public static Class getFieldType(Object o, String field) {
    return fieldType(o, field);
  }

  public static JPanel jrightAlignedLine(final Component... components) {
    return swing(new F0<RightAlignedLine>() {

      public RightAlignedLine get() {
        try {
          return new RightAlignedLine(components);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret RightAlignedLine(components);";
      }
    });
  }

  public static JPanel jrightAlignedLine(List<? extends Component> components) {
    return jrightAlignedLine(asArray(Component.class, components));
  }

  public static JTextArea wrappedTextArea(final JTextArea ta) {
    enableWordWrapForTextArea(ta);
    return ta;
  }

  public static JTextArea wrappedTextArea() {
    return wrappedTextArea(jtextarea());
  }

  public static JTextArea wrappedTextArea(String text) {
    JTextArea ta = wrappedTextArea();
    setText(ta, text);
    return ta;
  }

  public static String getProgramName_cache;

  public static String getProgramName() {
    Lock __183 = downloadLock();
    lock(__183);
    try {
      if (getProgramName_cache == null)
        getProgramName_cache = getSnippetTitleOpt(programID());
      return getProgramName_cache;
    } finally {
      unlock(__183);
    }
  }

  public static void _onLoad_getProgramName() {
    startThread(new Runnable() {

      public void run() {
        try {
          getProgramName();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "getProgramName();";
      }
    });
  }

  public static JButton renameButton(JComponent c, String name) {
    JButton b = first(childrenOfType(c, JButton.class));
    if (b != null)
      b.setText(name);
    return b;
  }

  public static JButton renameButton(JComponent c, String oldName, String newName) {
    JButton b = findButton(c, oldName);
    if (b != null)
      b.setText(newName);
    return b;
  }

  public static String showFormSubmitButtonName() {
    return "Submit";
  }

  public static JPanel jpanel(LayoutManager layout) {
    return swingNu(JPanel.class, layout);
  }

  public static JPanel jpanel() {
    return swingNu(JPanel.class);
  }

  public static Object[] asObjectArray(List l) {
    return toObjectArray(l);
  }

  public static boolean containsNulls(Collection c) {
    return contains(c, null);
  }

  public static Map similarEmptyMap(Map m) {
    if (m instanceof TreeMap)
      return new TreeMap(((TreeMap) m).comparator());
    if (m instanceof LinkedHashMap)
      return new LinkedHashMap();
    return new HashMap();
  }

  public static String charToString(char c) {
    return String.valueOf(c);
  }

  public static String charToString(int c) {
    return String.valueOf((char) c);
  }

  public static Object[] asArray(List l) {
    return toObjectArray(l);
  }

  public static <A> A[] asArray(Class<A> type, List l) {
    return (A[]) l.toArray((Object[]) Array.newInstance(type, l.size()));
  }

  public static boolean isMenuSeparatorIndicator(Object o) {
    return eqOneOf(o, "***", "---", "===", "");
  }

  public static boolean isRunnableX(Object o) {
    if (o == null)
      return false;
    if (o instanceof String)
      return hasMethod(mc(), (String) o);
    return o instanceof Runnable || hasMethod(o, "get");
  }

  public static <A extends JComponent> A bindLiveValueListenerToComponent(A component, final LiveValue lv, final Runnable listener) {
    if (lv != null)
      bindToComponent(component, new Runnable() {

        public void run() {
          try {
            lv.onChangeAndNow(listener);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "ifdef bindLiveValueListenerToComponent_debug\r\n          print(\"bindLiveValueL...";
        }
      }, new Runnable() {

        public void run() {
          try {
            lv.removeOnChangeListener(listener);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "lv.removeOnChangeListener(listener)";
        }
      });
    return component;
  }

  public static boolean isCurlyBracketed(String s) {
    return isCurlyBraced(s);
  }

  public static void setEnabled(final JComponent c, final boolean enable) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            c.setEnabled(enable);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.setEnabled(enable);";
        }
      });
    }
  }

  public static String unCurlyBracket(String s) {
    return tok_unCurlyBracket(s);
  }

  public static <A> HashSet<A> lithashset(A... items) {
    HashSet<A> set = new HashSet();
    for (A a : items) set.add(a);
    return set;
  }

  public static boolean isInstanceOf(Object o, Class type) {
    return type.isInstance(o);
  }

  public static String className(Object o) {
    return getClassName(o);
  }

  public static int preferredWidth(Component c) {
    return c == null ? 0 : getPreferredSize(c).width;
  }

  public static <A, B, C> T3<A, B, C> t3(A a, B b, C c) {
    return new T3(a, b, c);
  }

  public static List<Matches> getMatchesX_all(String pat, Iterable<String> l) {
    Matches m = new Matches();
    List<Matches> out = new ArrayList();
    for (String s : unnull(l)) if (matchX(pat, s, m)) {
      out.add(m);
      m = new Matches();
    }
    return out;
  }

  public static String getString(Map map, Object key) {
    return map == null ? null : (String) map.get(key);
  }

  public static String getString(List l, int idx) {
    return (String) get(l, idx);
  }

  public static String getString(Object o, Object key) {
    if (o instanceof Map)
      return getString((Map) o, key);
    if (key instanceof String)
      return (String) getOpt(o, (String) key);
    throw fail("Not a string key: " + getClassName(key));
  }

  public static String getString(String key, Object o) {
    return getString(o, (Object) key);
  }

  public static <A> A unstruct(String text) {
    return (A) unstructure(text);
  }

  public static <A, B> B getOrCreate_f1(Map<A, B> map, A key, F1<A, B> create) {
    try {
      B b = map.get(key);
      if (b == null)
        mapPut(map, key, b = callF(create, key));
      return b;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<String> ai_gazelle_statementsFromAppliedRule(RuleEngine2_MatchedRule r, String judgement) {
    if (r == null || r.rule == null)
      return new ArrayList();
    if (nempty(judgement) && neq(judgement, "good"))
      judgement = "bad";
    String ruleID = r.rule.globalID;
    String ruleIn = first(r.rule.in);
    if (ruleIn == null)
      return new ArrayList();
    Map<String, String> varMap = r.map;
    String tokenize = r.tokenizationFunction;
    List<String> tok = (List<String>) (callAndMake(tokenize, ruleIn));
    List<String> tokC = codeTokens(tok);
    Set<String> possibleVars = asCISet(tokC);
    List<String> statements = new ArrayList();
    for (String a : keys(varMap)) {
      String b = varMap.get(a);
      statements.add(format("in a * mapping, variable " + quote(a) + " was used", judgement));
      statements.add(format("in a * mapping, variable " + quote(a) + " was mapped to " + quote(b), judgement));
    }
    for (String var : possibleVars) statements.add("possible variable " + quote(var));
    statements.add(format("a * mapping is *", judgement, sfu(varMap)));
    return statements;
  }

  public static <A, B> Collection<B> values(Map<A, B> map) {
    return map == null ? emptyList() : map.values();
  }

  public static <A, B> Collection<B> values(MultiMap<A, B> mm) {
    return mm == null ? emptyList() : concatLists(values(mm.data));
  }

  public static TreeSet<String> asCISet(Iterable<String> c) {
    return toCaseInsensitiveSet(c);
  }

  public static TreeSet<String> asCISet(String... x) {
    return toCaseInsensitiveSet(x);
  }

  public static List<String> matchAny_firstGroups(String pat, Iterable<String> l) {
    Matches m = new Matches();
    List<String> out = new ArrayList();
    for (String s : unnull(l)) if (match(pat, s, m))
      out.add(m.unq(0));
    return out;
  }

  public static List<String> matchX_any_firstGroups(String pat, Iterable<String> l) {
    Matches m = new Matches();
    List<String> out = new ArrayList();
    for (String s : unnull(l)) if (matchX(pat, s, m))
      out.add(m.unq(0));
    return out;
  }

  public static <A, B extends A> List<A> listMinusSet(Iterable<A> l, Collection<B> stuff) {
    if (empty(stuff))
      return asList(l);
    Set<B> set = asSet(stuff);
    List<A> l2 = new ArrayList();
    for (A a : l) if (!set.contains(a))
      l2.add(a);
    return l2;
  }

  public static <A, B extends A, C extends A> List<A> listMinusSet(Iterable<A> l, Collection<B> stuff, Collection<C> stuff2) {
    return listMinusSet(listMinusSet(l, stuff), stuff2);
  }

  public static <A> Set<A> setIntersection(Set<A> a, Collection<A> b) {
    Set<A> set = similarEmptySet(a);
    Set<A> bSet = asSet(b);
    for (A x : a) if (bSet.contains(x))
      set.add(x);
    return set;
  }

  public static <A, B> MultiMap<A, B> uniquifyMultiMapValues(MultiMap<A, B> mm) {
    return mm == null ? null : new MultiMap(mapValues("uniquify", mm.data));
  }

  public static <A, B> MultiMap<A, B> pairsToMultiMap(List<Pair<A, B>> l) {
    MultiMap<A, B> mm = new MultiMap();
    for (Pair<A, B> p : unnull(l)) mm.put(p.a, p.b);
    return mm;
  }

  public static List<Pair<String, String>> matchX_any_firstAndSecondGroups(String pat, Iterable<String> l) {
    Matches m = new Matches();
    List<Pair<String, String>> out = new ArrayList();
    for (String s : unnull(l)) if (matchX(pat, s, m))
      out.add(pair(m.unq(0), m.unq(1)));
    return out;
  }

  public static <A, B> MultiMap<A, B> multiMapDiff(MultiMap<A, B> mm1, MultiMap<A, B> mm2) {
    return pairsToMultiMap(listMinusSet(multiMapToPairs(mm1), multiMapToPairs(mm2)));
  }

  public static Object safeUnstruct(String s) {
    return unstructure(s, true);
  }

  public static <A, B extends A> Set<A> setDiff(Set<A> l, Collection<B> stuff) {
    return setMinusSet(l, stuff);
  }

  public static Map synchroHashMap() {
    return Collections.synchronizedMap(new HashMap());
  }

  public static Class<?> _getClass(String name) {
    try {
      return Class.forName(name);
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  public static Class _getClass(Object o) {
    return o == null ? null : o instanceof Class ? (Class) o : o.getClass();
  }

  public static Class _getClass(Object realm, String name) {
    try {
      return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  public static void smartSet(Field f, Object o, Object value) throws Exception {
    try {
      f.set(o, value);
    } catch (Exception e) {
      Class type = f.getType();
      if (type == int.class && value instanceof Long)
        value = ((Long) value).intValue();
      if (type == LinkedHashMap.class && value instanceof Map) {
        f.set(o, asLinkedHashMap((Map) value));
        return;
      }
      try {
        if (f.getType() == Concept.Ref.class) {
          f.set(o, ((Concept) o).new Ref((Concept) value));
          return;
        }
        if (o instanceof Concept.Ref) {
          f.set(o, ((Concept.Ref) o).get());
          return;
        }
      } catch (Throwable _e) {
      }
      throw e;
    }
  }

  public static <A> A dm_callModule(Object moduleOrID, String method, Object... args) {
    Object mod = dm_getModule(moduleOrID);
    if (mod == null)
      return null;
    AutoCloseable __574 = dm_enter(mod);
    try {
      return call(mod, method, args);
    } finally {
      _close(__574);
    }
  }

  public static String dm_requireModule(String moduleLibID) {
    return dm_makeModule(moduleLibID);
  }

  public static boolean startsWithIgnoreCase(String a, String b) {
    return regionMatchesIC(a, 0, b, 0, b.length());
  }

  public static boolean endsWithIgnoreCase(String a, String b) {
    int la = l(a), lb = l(b);
    return la >= lb && regionMatchesIC(a, la - lb, b, 0, lb);
  }

  public static boolean endsWithIgnoreCase(String a, String b, Matches m) {
    if (!endsWithIgnoreCase(a, b))
      return false;
    m.m = new String[] { substring(a, 0, l(a) - l(b)) };
    return true;
  }

  public static <A> List<A> replace(List<A> l, A a, A b) {
    for (int i = 0; i < l(l); i++) if (eq(l.get(i), a))
      l.set(i, b);
    return l;
  }

  public static String replace(String s, String a, String b) {
    return s == null ? null : a == null || b == null ? s : s.replace(a, b);
  }

  public static String replace(String s, char a, char b) {
    return s == null ? null : s.replace(a, b);
  }

  public static String htmlencode(Object o) {
    return htmlencode(str(o));
  }

  public static String htmlencode(String s) {
    if (s == null)
      return "";
    StringBuilder out = new StringBuilder(Math.max(16, s.length()));
    for (int i = 0; i < s.length(); i++) {
      char c = s.charAt(i);
      if (c > 127 || c == '"' || c == '<' || c == '>' || c == '&')
        out.append("&#").append((int) c).append(';');
      else
        out.append(c);
    }
    return out.toString();
  }

  public static boolean isWindows() {
    return System.getProperty("os.name").contains("Windows");
  }

  public static Map<String, Font> loadFont_cached_cache = new HashMap();

  public static synchronized Font loadFont_cached(String snippetID) {
    try {
      snippetID = formatSnippetID(snippetID);
      Font f = loadFont_cached_cache.get(snippetID);
      if (f == null)
        loadFont_cached_cache.put(snippetID, f = loadFont(snippetID, 12f));
      return f;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static synchronized Font loadFont_cached(String snippetID, float size) {
    try {
      return loadFont_cached(snippetID).deriveFont(size);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static JTextArea jTextAreaWithUndo() {
    return jTextAreaWithUndo("");
  }

  public static JTextArea jTextAreaWithUndo(final String text) {
    return jenableUndoRedo(swingNu(JTextArea.class, text));
  }

  public static float getSwingFontScale() {
    return or((Float) vm_generalMap_get("swingFontScale_value"), 1f);
  }

  public static void standardTitlePopupMenu(final JFrame frame) {
    if (isSubstanceLAF())
      titlePopupMenu(frame, new VF1<JPopupMenu>() {

        public void get(JPopupMenu menu) {
          try {
            boolean alwaysOnTop = frame.isAlwaysOnTop();
            menu.add(jmenuItem("Restart Program", "restart"));
            menu.add(jmenuItem("Duplicate Program", "duplicateThisProgram"));
            menu.add(jmenuItem("Show Console", "showConsole"));
            menu.add(jCheckBoxMenuItem("Always On Top", alwaysOnTop, new Runnable() {

              public void run() {
                try {
                  toggleAlwaysOnTop(frame);
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "toggleAlwaysOnTop(frame)";
              }
            }));
            menu.add(jMenuItem("Shoot Window", new Runnable() {

              public void run() {
                try {
                  shootWindowGUI_external(frame, 500);
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "shootWindowGUI_external(frame, 500)";
              }
            }));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "bool alwaysOnTop = frame.isAlwaysOnTop();\r\n        menu.add(jmenuItem(\"Restar...";
        }
      });
  }

  public static Rectangle screenRectangle() {
    return new Rectangle(Toolkit.getDefaultToolkit().getScreenSize());
  }

  public static Random random_random = new Random();

  public static int random(int n) {
    return n <= 0 ? 0 : random_random.nextInt(n);
  }

  public static double random(double max) {
    return random() * max;
  }

  public static double random() {
    return random_random.nextInt(100001) / 100000.0;
  }

  public static double random(double min, double max) {
    return min + random() * (max - min);
  }

  public static int random(int min, int max) {
    return min + random(max - min);
  }

  public static <A> A random(List<A> l) {
    return oneOf(l);
  }

  public static <A> A random(Collection<A> c) {
    if (c instanceof List)
      return random((List<A>) c);
    int i = random(l(c));
    return collectionGet(c, i);
  }

  public static JFrame consoleFrame() {
    return (JFrame) getOpt(get(getJavaX(), "console"), "frame");
  }

  public static void autoVMExit() {
    call(getJavaX(), "autoVMExit");
  }

  public static String javaTok_substringN(String s, int i, int j) {
    if (i == j)
      return "";
    if (j == i + 1 && s.charAt(i) == ' ')
      return " ";
    return s.substring(i, j);
  }

  public static String javaTok_substringC(String s, int i, int j) {
    return s.substring(i, j);
  }

  public static List<String> javaTokWithExisting(String s, List<String> existing) {
    ++javaTok_n;
    int nExisting = javaTok_opt && existing != null ? existing.size() : 0;
    ArrayList<String> tok = existing != null ? new ArrayList(nExisting) : new ArrayList();
    int l = s.length();
    int i = 0, n = 0;
    while (i < l) {
      int j = i;
      char c, d;
      while (j < l) {
        c = s.charAt(j);
        d = j + 1 >= l ? '\0' : s.charAt(j + 1);
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          ++j;
        else if (c == '/' && d == '*') {
          do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
          j = Math.min(j + 2, l);
        } else if (c == '/' && d == '/') {
          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
        } else
          break;
      }
      if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j))
        tok.add(existing.get(n));
      else
        tok.add(javaTok_substringN(s, i, j));
      ++n;
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      d = i + 1 >= l ? '\0' : s.charAt(i + 1);
      if (c == '\'' && Character.isJavaIdentifierStart(d) && i + 2 < l && "'\\".indexOf(s.charAt(i + 2)) < 0) {
        j += 2;
        while (j < l && Character.isJavaIdentifierPart(s.charAt(j))) ++j;
      } else if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener) {
            ++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));
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L')
          ++j;
      } else if (c == '[' && d == '[') {
        do ++j; while (j + 1 < l && !s.substring(j, j + 2).equals("]]"));
        j = Math.min(j + 2, l);
      } else if (c == '[' && d == '=' && i + 2 < l && s.charAt(i + 2) == '[') {
        do ++j; while (j + 2 < l && !s.substring(j, j + 3).equals("]=]"));
        j = Math.min(j + 3, l);
      } else
        ++j;
      if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j))
        tok.add(existing.get(n));
      else
        tok.add(javaTok_substringC(s, i, j));
      ++n;
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    javaTok_elements += tok.size();
    return tok;
  }

  public static boolean javaTokWithExisting_isCopyable(String t, String s, int i, int j) {
    return t.length() == j - i && s.regionMatches(i, t, 0, j - i);
  }

  public static void restart() {
    Object j = getJavaX();
    call(j, "cleanRestart", get(j, "fullArgs"));
  }

  public static void duplicateThisProgram() {
    nohupJavax(trim(programID() + " " + smartJoin((String[]) get(getJavaX(), "fullArgs"))));
  }

  public static void showConsole() {
    callOpt(get(javax(), "console"), "showConsole");
  }

  public static <A, B> Map<A, B> synchronizedMRUCache(int maxSize) {
    return synchroMap(new MRUCache(maxSize));
  }

  public static List<String> tok_combineRoundOrCurlyBrackets_keep(List<String> tok) {
    List<String> l = new ArrayList();
    for (int i = 0; i < l(tok); i++) {
      String t = tok.get(i);
      if (odd(i) && eqOneOf(t, "{", "(")) {
        int j = findEndOfBracketPart(tok, i);
        l.add(joinSubList(tok, i, j));
        i = j - 1;
      } else
        l.add(t);
    }
    return l;
  }

  public static List<String> javaTokNPunctuation_bracketsInC(String s) {
    List<String> tok = javaTok(s);
    for (int i = 1; i < l(tok); i += 2) {
      int j = i;
      String t;
      char c;
      while (j < l(tok) && l(t = tok.get(j)) == 1 && !Character.isLetterOrDigit(c = t.charAt(0)) && "{}()".indexOf(c) < 0) j += 2;
      if (j > i)
        replaceSubList(tok, i - 1, j, ll(joinSubList(tok, i - 1, j)));
    }
    return tok;
  }

  public static <A> void listThreadLocalAdd(ThreadLocal<List<A>> tl, A a) {
    List<A> l = tl.get();
    if (l == null)
      tl.set(l = new ArrayList());
    l.add(a);
  }

  public static <A> A listThreadLocalPopLast(ThreadLocal<List<A>> tl) {
    List<A> l = tl.get();
    if (l == null)
      return null;
    A a = popLast(l);
    if (empty(l))
      tl.set(null);
    return a;
  }

  public static List<String> quotelessJavaTok(String s) {
    ArrayList<String> tok = new ArrayList();
    int l = s.length();
    int i = 0, n = 0;
    while (i < l) {
      int j = i;
      char c, d;
      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;
      }
      tok.add(javaTok_substringN(s, i, j));
      ++n;
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      d = i + 1 >= l ? '\0' : s.charAt(i + 1);
      if (Character.isJavaIdentifierStart(c))
        do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0));
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L')
          ++j;
      } else
        ++j;
      tok.add(javaTok_substringC(s, i, j));
      ++n;
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    return tok;
  }

  public static <A, B> Map<A, B> weakHashMap() {
    return newWeakHashMap();
  }

  public static <A, B> List<A> keysList(Map<A, B> map) {
    return cloneListSynchronizingOn(keys(map), map);
  }

  public static String getStackTrace(Throwable throwable) {
    lastException(throwable);
    return getStackTrace_noRecord(throwable);
  }

  public static String getStackTrace_noRecord(Throwable throwable) {
    StringWriter writer = new StringWriter();
    throwable.printStackTrace(new PrintWriter(writer));
    return hideCredentials(writer.toString());
  }

  public static String getStackTrace() {
    return getStackTrace_noRecord(new Throwable());
  }

  public static Throwable unwrapTrivialExceptionWraps(Throwable e) {
    if (e == null)
      return e;
    while (e.getClass() == RuntimeException.class && e.getCause() != null && eq(e.getMessage(), str(e.getCause()))) e = e.getCause();
    return e;
  }

  public static String replacePrefix(String prefix, String replacement, String s) {
    if (!startsWith(s, prefix))
      return s;
    return replacement + substring(s, l(prefix));
  }

  public static Throwable innerException2(Throwable e) {
    if (e == null)
      return null;
    while (empty(e.getMessage()) && e.getCause() != null) e = e.getCause();
    return e;
  }

  public 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);
  }

  public static volatile boolean licensed_yes = true;

  public static boolean licensed() {
    if (!licensed_yes)
      return false;
    ping_okInCleanUp();
    return true;
  }

  public static void licensed_off() {
    licensed_yes = false;
  }

  public static void assertFalse(Object o) {
    if (!(eq(o, false)))
      throw fail(str(o));
  }

  public static boolean assertFalse(boolean b) {
    if (b)
      throw fail("oops");
    return b;
  }

  public static boolean assertFalse(String msg, boolean b) {
    if (b)
      throw fail(msg);
    return b;
  }

  public static <A> WeakReference<A> newWeakReference(A a) {
    return a == null ? null : new WeakReference(a);
  }

  public static File getGlobalCache() {
    File file = new File(javaxCachesDir(), "Binary Snippets");
    file.mkdirs();
    return file;
  }

  public static byte[] saveBinaryFile(String fileName, byte[] contents) {
    try {
      File file = new File(fileName);
      File parentFile = file.getParentFile();
      if (parentFile != null)
        parentFile.mkdirs();
      String tempFileName = fileName + "_temp";
      FileOutputStream fileOutputStream = newFileOutputStream(tempFileName);
      fileOutputStream.write(contents);
      fileOutputStream.close();
      if (file.exists() && !file.delete())
        throw new IOException("Can't delete " + fileName);
      if (!new File(tempFileName).renameTo(file))
        throw new IOException("Can't rename " + tempFileName + " to " + fileName);
      vmBus_send("wroteFile", file);
      return contents;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] saveBinaryFile(File fileName, byte[] contents) {
    return saveBinaryFile(fileName.getPath(), contents);
  }

  public static String dataSnippetLink(String snippetID) {
    long id = parseSnippetID(snippetID);
    if (id >= 1100000 && id < 1200000)
      return imageServerURL() + id;
    if (id >= 1400000 && id < 1500000)
      return "http://butter.botcompany.de:8080/files/" + id + "?_pass=" + muricaPassword();
    if (id >= 1200000 && id < 1300000) {
      String pw = muricaPassword();
      if (empty(pw))
        throw fail("Please set 'murica password by running #1008829");
      return "http://butter.botcompany.de:8080/1008823/raw/" + id + "?_pass=" + pw;
    } else
      return "http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_" + id + "&contentType=application/binary";
  }

  public static ThreadLocal<Map<String, List<String>>> loadBinaryPage_responseHeaders = new ThreadLocal();

  public static ThreadLocal<Map<String, String>> loadBinaryPage_extraHeaders = new ThreadLocal();

  public static byte[] loadBinaryPage(String url) {
    try {
      print("Loading " + url);
      return loadBinaryPage(loadPage_openConnection(new URL(url)));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] loadBinaryPage(URLConnection con) {
    try {
      Map<String, String> extraHeaders = getAndClearThreadLocal(loadBinaryPage_extraHeaders);
      setHeaders(con);
      for (String key : keys(extraHeaders)) con.setRequestProperty(key, extraHeaders.get(key));
      return loadBinaryPage_noHeaders(con);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] loadBinaryPage_noHeaders(URLConnection con) {
    try {
      ByteArrayOutputStream buf = new ByteArrayOutputStream();
      InputStream inputStream = con.getInputStream();
      loadBinaryPage_responseHeaders.set(con.getHeaderFields());
      long len = 0;
      try {
        len = con.getContentLength();
      } catch (Throwable e) {
        printStackTrace(e);
      }
      int n = 0;
      while (true) {
        int ch = inputStream.read();
        if (ch < 0)
          break;
        buf.write(ch);
        if (++n % 100000 == 0)
          println("  " + n + (len != 0 ? "/" + len : "") + " bytes loaded.");
      }
      inputStream.close();
      return buf.toByteArray();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static long getFileSize(String path) {
    return path == null ? 0 : new File(path).length();
  }

  public static long getFileSize(File f) {
    return f == null ? 0 : f.length();
  }

  public static <B, A extends B> A addAndReturn(Collection<B> c, A a) {
    if (c != null)
      c.add(a);
    return a;
  }

  public static void loadBinaryPageToFile(String url, File file) {
    try {
      print("Loading " + url);
      loadBinaryPageToFile(openConnection(new URL(url)), file);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void loadBinaryPageToFile(URLConnection con, File file) {
    try {
      setHeaders(con);
      loadBinaryPageToFile_noHeaders(con, file);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void loadBinaryPageToFile_noHeaders(URLConnection con, File file) {
    try {
      File ftemp = new File(f2s(file) + "_temp");
      FileOutputStream buf = newFileOutputStream(mkdirsFor(ftemp));
      try {
        InputStream inputStream = con.getInputStream();
        long len = 0;
        try {
          len = con.getContentLength();
        } catch (Throwable e) {
          printStackTrace(e);
        }
        String pat = "  {*}" + (len != 0 ? "/" + len : "") + " bytes loaded.";
        copyStreamWithPrints(inputStream, buf, pat);
        inputStream.close();
        buf.close();
        file.delete();
        renameFile_assertTrue(ftemp, file);
      } finally {
        if (buf != null)
          buf.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static URLConnection openConnection(URL url) {
    try {
      ping();
      callOpt(javax(), "recordOpenURLConnection", str(url));
      return url.openConnection();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static long psI(String snippetID) {
    return parseSnippetID(snippetID);
  }

  public static byte[] bytesFromHex(String s) {
    return hexToBytes(s);
  }

  public static boolean byteArrayStartsWith(byte[] a, byte[] b) {
    if (a == null || b == null)
      return false;
    if (a.length < b.length)
      return false;
    for (int i = 0; i < b.length; i++) if (a[i] != b[i])
      return false;
    return true;
  }

  public static byte[] loadBeginningOfBinaryFile(File file, int maxBytes) {
    return loadBinaryFilePart(file, 0, maxBytes);
  }

  public static boolean headless() {
    return isHeadless();
  }

  public static <A> Set<A> synchroHashSet() {
    return Collections.synchronizedSet(new HashSet<A>());
  }

  public static Runnable asRunnable(Object o) {
    return toRunnable(o);
  }

  public static void _inheritThreadInfo(Object info) {
    _threadInheritInfo(info);
  }

  public static int max(int a, int b) {
    return Math.max(a, b);
  }

  public static int max(int a, int b, int c) {
    return max(max(a, b), c);
  }

  public static long max(int a, long b) {
    return Math.max((long) a, b);
  }

  public static long max(long a, long b) {
    return Math.max(a, b);
  }

  public static double max(int a, double b) {
    return Math.max((double) a, b);
  }

  public static float max(float a, float b) {
    return Math.max(a, b);
  }

  public static double max(double a, double b) {
    return Math.max(a, b);
  }

  public static int max(Collection<Integer> c) {
    int x = Integer.MIN_VALUE;
    for (int i : c) x = max(x, i);
    return x;
  }

  public 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;
  }

  public 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;
  }

  public static byte max(byte[] c) {
    byte x = -128;
    for (byte d : c) if (d > x)
      x = d;
    return x;
  }

  public static short max(short[] c) {
    short x = -0x8000;
    for (short d : c) if (d > x)
      x = d;
    return x;
  }

  public static int max(int[] c) {
    int x = Integer.MIN_VALUE;
    for (int d : c) if (d > x)
      x = d;
    return x;
  }

  public static Throwable getException(Runnable r) {
    try {
      callF(r);
      return null;
    } catch (Throwable e) {
      return e;
    }
  }

  public static boolean eqOneOf(Object o, Object... l) {
    for (Object x : l) if (eq(o, x))
      return true;
    return false;
  }

  public static <A> List<A> sortByCalculatedFieldDesc_inPlace(List<A> l, final Object f) {
    sort(l, new Comparator<A>() {

      public int compare(A b, A a) {
        return stdcompare((Object) callF(f, a), (Object) callF(f, b));
      }
    });
    return l;
  }

  public static <A> List<A> sortByCalculatedFieldDesc_inPlace(Object f, List<A> c) {
    return sortByCalculatedFieldDesc_inPlace(c, f);
  }

  public static Object callAndMake_orDirect(String functionName, List args) {
    return callAndMake_orDirect(functionName, toObjectArray(args));
  }

  public static Object callAndMake_orDirect(String functionName, Object... args) {
    if (functionName == null)
      return null;
    if (hasMethod(mc(), functionName, args))
      return callMC(functionName, args);
    else
      return makeAndCall_cached(functionName, args);
  }

  public static <A> TreeMap<String, A> caseInsensitiveMap() {
    return new TreeMap(caseInsensitiveComparator());
  }

  public static boolean matchAny(Collection<String> patterns, String s, Matches m) {
    for (String pattern : patterns) if (match(pattern, s, m))
      return true;
    return false;
  }

  public static boolean matchAny(Collection<String> patterns, String s) {
    return matchAny(patterns, s, null);
  }

  public static boolean matchAny(String pat, Iterable<String> l) {
    return matchAny(pat, l, null);
  }

  public static boolean matchAny(String pat, Iterable<String> l, Matches m) {
    if (l != null)
      for (String s : l) if (match(pat, s, m))
        return true;
    return false;
  }

  public static List<String> ai_applyWordSplitPattern1(List<String> tokP, List<String> tokI) {
    List<Integer> indices = indicesOfSubList(tokP, ll("", "{}", ""));
    if (empty(indices))
      return tokI;
    List<String> tokI_original = tokI;
    tokI = cloneList(tokI);
    for (int i : indices) {
      String l = get(tokP, i - 1), r = get(tokP, i + 3);
      if (startsWith(l, "$") && isIdentifier(l) && isIdentifier(r)) {
        String x = get(tokI, i - 1);
        if (!ewic(x, r))
          return tokI_original;
        tokI.set(i - 1, dropLast(x, l(r)));
        tokI.add(i, "");
        tokI.add(i + 1, "{}");
        tokI.add(i + 2, "");
        tokI.add(i + 3, takeLast(x, l(r)));
      }
    }
    return tokI;
  }

  public static Map<String, String> zipTwoListsToCIMap_strict_withoutEquals(List<String> l1, List<String> l2) {
    int n = l(l1);
    if (n != l(l2))
      return null;
    Map<String, String> map = ciMap();
    for (int i = 0; i < n; i++) if (!strictPutICIfKeyNotEqualToValue(map, l1.get(i), l2.get(i)))
      return null;
    return map;
  }

  public static <A> boolean addMapToMapWithoutOverwritingIC(Map<A, String> map, Map<A, String> adding) {
    if (!canPutAllStrictlyIC(map, adding))
      return false;
    {
      final Map<A, String> __980 = unnull(adding);
      for (A key : keys(__980)) {
        String value = __980.get(key);
        strictPutIC(map, key, value);
      }
    }
    return true;
  }

  public static String nullIfEmpty(String s) {
    return isEmpty(s) ? null : s;
  }

  public static Map nullIfEmpty(Map map) {
    return isEmpty(map) ? null : map;
  }

  public static <A> List<A> nullIfEmpty(List<A> l) {
    return isEmpty(l) ? null : l;
  }

  public static String[] dropFirst(int n, String[] a) {
    return drop(n, a);
  }

  public static String[] dropFirst(String[] a) {
    return drop(1, a);
  }

  public static Object[] dropFirst(Object[] a) {
    return drop(1, a);
  }

  public static <A> List<A> dropFirst(List<A> l) {
    return dropFirst(1, l);
  }

  public static <A> List<A> dropFirst(int n, Iterable<A> i) {
    return dropFirst(n, toList(i));
  }

  public static <A> List<A> dropFirst(Iterable<A> i) {
    return dropFirst(toList(i));
  }

  public static <A> List<A> dropFirst(int n, List<A> l) {
    return n <= 0 ? l : new ArrayList(l.subList(Math.min(n, l.size()), l.size()));
  }

  public static <A> List<A> dropFirst(List<A> l, int n) {
    return dropFirst(n, l);
  }

  public static String dropFirst(int n, String s) {
    return substring(s, n);
  }

  public static String dropFirst(String s) {
    return substring(s, 1);
  }

  public static Map<Pair<String, String>, Integer> ai_ruleEngine2_mappingQualities(RuleEngine2.Rule rule) {
    Map<Pair<String, String>, Integer> map = new HashMap();
    Matches m = new Matches();
    for (String s : rule.comments) if (match("changing * to * is *", s, m)) {
      int value = eqic(m.unq(0), "ok") ? 1 : eqic(m.unq(0), "bad") ? -1 : 0;
      map.put(pair(m.unq(1), m.unq(2)), value);
    }
    return map;
  }

  public static <A, B> void mapPut(Map<A, B> map, A key, B value) {
    if (map != null && key != null && value != null)
      map.put(key, value);
  }

  public static Set asSet(Object[] array) {
    HashSet set = new HashSet();
    for (Object o : array) if (o != null)
      set.add(o);
    return set;
  }

  public static Set<String> asSet(String[] array) {
    TreeSet<String> set = new TreeSet();
    for (String o : array) if (o != null)
      set.add(o);
    return set;
  }

  public static <A> Set<A> asSet(Iterable<A> l) {
    if (l instanceof Set)
      return (Set) l;
    HashSet<A> set = new HashSet();
    for (A o : unnull(l)) if (o != null)
      set.add(o);
    return set;
  }

  public static BufferedReader bufferedReader(Reader r) {
    return r instanceof BufferedReader ? (BufferedReader) r : _registerIOWrap(new BufferedReader(r), r);
  }

  public static <A> CloseableIterableIterator<A> iteratorFromFunction_f0_autoCloseable(final F0<A> f, final AutoCloseable closeable) {
    class IFF2 extends CloseableIterableIterator<A> {

      public A a;

      public boolean done;

      public boolean hasNext() {
        getNext();
        return !done;
      }

      public A next() {
        getNext();
        if (done)
          throw fail();
        A _a = a;
        a = null;
        return _a;
      }

      public void getNext() {
        if (done || a != null)
          return;
        a = f.get();
        done = a == null;
      }

      public void close() throws Exception {
        if (closeable != null)
          closeable.close();
      }
    }
    ;
    return new IFF2();
  }

  public static String readLineFromReaderWithClose(BufferedReader r) {
    try {
      String s = r.readLine();
      if (s == null)
        r.close();
      return s;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static AutoCloseable _wrapIOCloseable(final AutoCloseable c) {
    return c == null ? null : new AutoCloseable() {

      public String toString() {
        return "c.close();\r\n    _registerIO(c, null, false);";
      }

      public void close() throws Exception {
        c.close();
        _registerIO(c, null, false);
      }
    };
  }

  public static <A> A _registerIOWrap(A wrapper, Object wrapped) {
    return wrapper;
  }

  public static FileInputStream newFileInputStream(File path) throws IOException {
    return newFileInputStream(path.getPath());
  }

  public static FileInputStream newFileInputStream(String path) throws IOException {
    FileInputStream f = new FileInputStream(path);
    _registerIO(f, path, true);
    return f;
  }

  public static int gzInputStream_defaultBufferSize = 65536;

  public static GZIPInputStream gzInputStream(File f) {
    try {
      return gzInputStream(new FileInputStream(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static GZIPInputStream gzInputStream(File f, int bufferSize) {
    try {
      return gzInputStream(new FileInputStream(f), bufferSize);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static GZIPInputStream gzInputStream(InputStream in) {
    return gzInputStream(in, gzInputStream_defaultBufferSize);
  }

  public static GZIPInputStream gzInputStream(InputStream in, int bufferSize) {
    try {
      return _registerIOWrap(new GZIPInputStream(in, gzInputStream_defaultBufferSize), in);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<JComponent> showForm_arrange1(List<List<JComponent>> l) {
    int minW = showForm_leftWidth(l);
    List<JComponent> out = new ArrayList();
    for (List<JComponent> row : l) out.add(westAndCenter(withRightMargin(showForm_gapBetweenColumns, jMinWidth(minW, first(row))), second(row)));
    return out;
  }

  public static List<List<JComponent>> showForm_makeComponents(final Boolean internalFrame, Object... _parts) {
    List<List<JComponent>> l = new ArrayList();
    List parts = asList(_parts);
    JButton submitButton = null;
    for (int i = 0; i < l(parts); i++) {
      final Object o = parts.get(i), next = get(parts, i + 1);
      if (o instanceof String && next instanceof Component)
        setComponentID((Component) next, (String) o);
      if (o instanceof Component || o instanceof String || next instanceof Component) {
        l.add(mapLL("wrapForSmartAdd", o == null ? new JPanel() : o instanceof String ? humanizeFormLabel((String) o) : o, next));
        if (next instanceof JButton && submitButton == null)
          submitButton = (JButton) next;
        i++;
      } else if (isRunnable(o))
        l.add(mapLL("wrapForSmartAdd", null, submitButton = jbutton(showFormSubmitButtonName(), new Runnable() {

          public void run() {
            try {
              Object result = call(o);
              if (neq(Boolean.FALSE, result)) {
                if (isTrue(internalFrame))
                  disposeInternalFrame(heldInstance(JButton.class));
                else if (isFalse(internalFrame))
                  disposeFrame(heldInstance(JButton.class));
              }
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "Object result = call(o);\r\n        if (neq(Boolean.FALSE, result)) {\r\n        ...";
          }
        })));
      else
        print("showForm: Unknown element type: " + getClassName(o));
    }
    if (submitButton != null) {
      final JButton _submitButton = submitButton;
      onEnterInAllTextFields(concatLists(l), new Runnable() {

        public void run() {
          try {
            clickButton(_submitButton);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "clickButton(_submitButton)";
        }
      });
    }
    for (List<JComponent> row : l) {
      JComponent left = first(row);
      if (left instanceof JLabel)
        makeBold((JLabel) left).setVerticalAlignment(JLabel.TOP);
    }
    return l;
  }

  public static JFrame showForm_makeFrame(String title, JPanel panel) {
    return handleEscapeKey(minFrameWidth(showPackedFrame(title, withMargin(panel)), 400));
  }

  public static LayoutManager layoutManagerFromFunction(final Object layouter) {
    return new AbstractLayoutManager() {

      public void layoutContainer(Container parent) {
        Dimension size = (Dimension) (callF(layouter, parent));
        if (size != null)
          preferredSize = size;
      }
    };
  }

  public static <A extends Container> A addAllComponents(final A c, final List<? extends Component> components) {
    if (nempty(components)) {
      swing(new Runnable() {

        public void run() {
          try {
            for (Component x : components) c.add(x);
            revalidate(c);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "for (Component x : components)\r\n      c.add(x);\r\n    revalidate(c);";
        }
      });
    }
    return c;
  }

  public static <A> A childOfType(Component c, Class<A> theClass) {
    return first(childrenOfType(c, theClass));
  }

  public static <A> A childOfType(Class<A> theClass, Component c) {
    return childOfType(c, theClass);
  }

  public static double toDouble(Object o) {
    if (o instanceof Number)
      return ((Number) o).doubleValue();
    if (o instanceof BigInteger)
      return ((BigInteger) o).doubleValue();
    if (o == null)
      return 0.0;
    throw fail(o);
  }

  public static Rectangle rectangleUnion(Rectangle a, Rectangle b) {
    return a == null ? b : b == null ? a : a.union(b);
  }

  public static <A> A[] newObjectArrayOfSameType(A[] a, int n) {
    return (A[]) Array.newInstance(a.getClass().getComponentType(), n);
  }

  public static boolean isAnonymousClassName(String s) {
    for (int i = 0; i < l(s); i++) if (s.charAt(i) == '$' && Character.isDigit(s.charAt(i + 1)))
      return true;
    return false;
  }

  public static Class getClass_vmName(Object realm, String name) {
    try {
      try {
        return getClass(realm).getClassLoader().loadClass(name);
      } catch (ClassNotFoundException e) {
        return null;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isString(Object o) {
    return o instanceof String;
  }

  public static boolean isIdentifier(String s) {
    return isJavaIdentifier(s);
  }

  public static Object dm_getService(String serviceName) {
    return empty(serviceName) ? null : dm_getModule(vmBus_query(assertIdentifier(serviceName)));
  }

  public static boolean isStringOrIntOrLong(Object o) {
    return o instanceof String || o instanceof Integer || o instanceof Long;
  }

  public static <A> A dm_callOS(String functionName, Object... args) {
    return (A) call(dm_os(), functionName, args);
  }

  public static Object dm_resolveModule(Object moduleOrStem) {
    return dm_callOS("resolveModule", moduleOrStem);
  }

  public static String dm_makeModule(String moduleLibID) {
    return (String) callCreator("makeModule", moduleLibID);
  }

  public static void logQuotedWithTime(String s) {
    logQuotedWithTime(standardLogFile(), s);
  }

  public static void logQuotedWithTime(File logFile, String s) {
    logQuoted(logFile, logQuotedWithTime_format(s));
  }

  public static void logQuotedWithTime(String logFile, String s) {
    logQuoted(logFile, logQuotedWithTime_format(s));
  }

  public static String logQuotedWithTime_format(String s) {
    return (now()) + " " + s;
  }

  public static File javaxDataDir_dir;

  public static File javaxDataDir() {
    return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data");
  }

  public static File javaxDataDir(String... subs) {
    return newFile(javaxDataDir(), subs);
  }

  public static <A extends JComponent> A onClick(final A c, final Object runnable) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            c.addMouseListener(new MouseAdapter() {

              public void mouseClicked(MouseEvent e) {
                callF(runnable, e);
              }
            });
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.addMouseListener(new MouseAdapter {\r\n      public void mouseClicked(MouseEv...";
        }
      });
    }
    return c;
  }

  public static void onClick(JButton btn, final Object runnable) {
    onEnter(btn, runnable);
  }

  public static void disposeWindow(final Window window) {
    if (window != null) {
      swing(new Runnable() {

        public void run() {
          try {
            window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING));
            myFrames_list.remove(window);
            window.dispose();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING)); //...";
        }
      });
    }
  }

  public static void disposeWindow(final Component c) {
    disposeWindow(getWindow(c));
  }

  public static void disposeWindow(Object o) {
    if (o != null)
      disposeWindow(((Component) o));
  }

  public static void disposeWindow() {
    disposeWindow(heldInstance(Component.class));
  }

  public static Window getWindow(Object o) {
    if (!(o instanceof Component))
      return null;
    Component c = (Component) o;
    while (c != null) {
      if (c instanceof Window)
        return (Window) c;
      c = c.getParent();
    }
    return null;
  }

  public static Dimension getScreenSize() {
    return Toolkit.getDefaultToolkit().getScreenSize();
  }

  public static volatile PersistableThrowable lastException_lastException;

  public static PersistableThrowable lastException() {
    return lastException_lastException;
  }

  public static void lastException(Throwable e) {
    lastException_lastException = persistableThrowable(e);
  }

  public static String baseClassName(String className) {
    return substring(className, className.lastIndexOf('.') + 1);
  }

  public static String baseClassName(Object o) {
    return baseClassName(getClassName(o));
  }

  public static String prependIfNempty(String prefix, String s) {
    return empty(s) ? s : prefix + s;
  }

  public static Map vm_generalMap_map;

  public static Map vm_generalMap() {
    if (vm_generalMap_map == null)
      vm_generalMap_map = (Map) get(javax(), "generalMap");
    return vm_generalMap_map;
  }

  public static KeyListener enterKeyListener(final Object action) {
    return new KeyAdapter() {

      public void keyPressed(KeyEvent ke) {
        if (ke.getKeyCode() == KeyEvent.VK_ENTER)
          pcallF(action);
      }
    };
  }

  public static Runnable rCallOnSelectedListItem(final JList list, final Object action) {
    return new Runnable() {

      public void run() {
        try {
          pcallF(action, getSelectedItem(list));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "pcallF(action, getSelectedItem(list))";
      }
    };
  }

  public static AbstractAction abstractAction(String name, final Object runnable) {
    return new AbstractAction(name) {

      public void actionPerformed(ActionEvent evt) {
        pcallF(runnable);
      }
    };
  }

  public static String strOrNull(Object o) {
    return o == null ? null : str(o);
  }

  public static <A extends JTextComponent> A setTextKeepCaret(final String text, final A c) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            int caret = c.getCaretPosition();
            setText(c, text);
            setCaretPosition(c, caret);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "int caret = c.getCaretPosition();\r\n    setText(c, text);\r\n    setCaretPositio...";
        }
      });
    }
    return c;
  }

  public static <A extends JTextComponent> A setTextKeepCaret(A c, String text) {
    return setTextKeepCaret(text, c);
  }

  public static void enableWordWrapForTextArea(final JTextArea ta) {
    if (ta != null) {
      swing(new Runnable() {

        public void run() {
          try {
            ta.setLineWrap(true);
            ta.setWrapStyleWord(true);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "ta.setLineWrap(true);\r\n    ta.setWrapStyleWord(true);";
        }
      });
    }
  }

  public static JTextArea jtextarea() {
    return jTextArea();
  }

  public static JTextArea jtextarea(String text) {
    return jTextArea(text);
  }

  public static Lock downloadLock_lock = fairLock();

  public static Lock downloadLock() {
    return downloadLock_lock;
  }

  public static String getSnippetTitleOpt(String s) {
    return isSnippetID(s) ? getSnippetTitle(s) : s;
  }

  public static JButton findButton(Component c, String name) {
    for (JButton b : childrenOfType(c, JButton.class)) if (eq(b.getText(), name))
      return b;
    for (JButton b : childrenOfType(getFrame(c), JButton.class)) if (eq(b.getText(), name))
      return b;
    return null;
  }

  public static JButton findButton(Component c) {
    return childOfType(c, JButton.class);
  }

  public static boolean hasMethod(Object o, String method, Object... args) {
    return findMethod_cached(o, method, args) != null;
  }

  public static boolean isCurlyBraced(String s) {
    List<String> tok = tok_combineCurlyBrackets_keep(javaTok(s));
    return l(tok) == 3 && startsWithAndEndsWith(tok.get(1), "{", "}");
  }

  public static String tok_unCurlyBracket(String s) {
    return isCurlyBraced(s) ? join(dropFirstThreeAndLastThree(javaTok(s))) : s;
  }

  public static Dimension getPreferredSize(final Component c) {
    return c == null ? null : swing(new F0<Dimension>() {

      public Dimension get() {
        try {
          return c.getPreferredSize();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret c.getPreferredSize();";
      }
    });
  }

  public static boolean matchX(String pat, String s) {
    return matchX(pat, s, null);
  }

  public static boolean matchX(String pat, String s, Matches m) {
    if (endsWith(pat, "..."))
      return matchStartX(pat, s, m);
    if (startsWith(pat, "..."))
      return matchEndX(pat, s, m);
    return match(pat, s, m);
  }

  public static Object unstructure(String text) {
    return unstructure(text, false);
  }

  public static Object unstructure(String text, final boolean allDynamic) {
    return unstructure(text, allDynamic, null);
  }

  public static int structure_internStringsLongerThan = 50;

  public static int unstructure_unquoteBufSize = 100;

  public static int unstructure_tokrefs;

  public abstract static class unstructure_Receiver {

    public abstract void set(Object o);
  }

  public static Object unstructure(String text, boolean allDynamic, Object classFinder) {
    if (text == null)
      return null;
    return unstructure_tok(javaTokC_noMLS_iterator(text), allDynamic, classFinder);
  }

  public static Object unstructure_reader(BufferedReader reader) {
    return unstructure_tok(javaTokC_noMLS_onReader(reader), false, null);
  }

  public static Object unstructure_tok(final Producer<String> tok, final boolean allDynamic, final Object _classFinder) {
    final boolean debug = unstructure_debug;
    final class X {

      public int i = -1;

      public final Object classFinder = _classFinder != null ? _classFinder : _defaultClassFinder();

      public HashMap<Integer, Object> refs = new HashMap();

      public HashMap<Integer, Object> tokrefs = new HashMap();

      public HashSet<String> concepts = new HashSet();

      public HashMap<String, Class> classesMap = new HashMap();

      public List<Runnable> stack = new ArrayList();

      public String curT;

      public char[] unquoteBuf = new char[unstructure_unquoteBufSize];

      public String unquote(String s) {
        return unquoteUsingCharArray(s, unquoteBuf);
      }

      public String t() {
        return curT;
      }

      public String tpp() {
        String t = curT;
        consume();
        return t;
      }

      public void parse(final unstructure_Receiver out) {
        String t = t();
        int refID = 0;
        if (structure_isMarker(t, 0, l(t))) {
          refID = parseInt(t.substring(1));
          consume();
        }
        final int _refID = refID;
        final int tokIndex = i;
        parse_inner(refID, tokIndex, new unstructure_Receiver() {

          public void set(Object o) {
            if (_refID != 0)
              refs.put(_refID, o);
            if (o != null)
              tokrefs.put(tokIndex, o);
            out.set(o);
          }
        });
      }

      public void parse_inner(int refID, int tokIndex, final unstructure_Receiver out) {
        String t = t();
        Class c = classesMap.get(t);
        if (c == null) {
          if (t.startsWith("\"")) {
            String s = internIfLongerThan(unquote(tpp()), structure_internStringsLongerThan);
            out.set(s);
            return;
          }
          if (t.startsWith("'")) {
            out.set(unquoteCharacter(tpp()));
            return;
          }
          if (t.equals("bigint")) {
            out.set(parseBigInt());
            return;
          }
          if (t.equals("d")) {
            out.set(parseDouble());
            return;
          }
          if (t.equals("fl")) {
            out.set(parseFloat());
            return;
          }
          if (t.equals("sh")) {
            consume();
            t = tpp();
            if (t.equals("-")) {
              t = tpp();
              out.set((short) (-parseInt(t)));
              return;
            }
            out.set((short) parseInt(t));
            return;
          }
          if (t.equals("-")) {
            consume();
            t = tpp();
            out.set(isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t)));
            return;
          }
          if (isInteger(t) || isLongConstant(t)) {
            consume();
            if (isLongConstant(t)) {
              out.set(parseLong(t));
              return;
            }
            long l = parseLong(t);
            boolean isInt = l == (int) l;
            out.set(isInt ? (Object) Integer.valueOf((int) l) : (Object) Long.valueOf(l));
            return;
          }
          if (t.equals("false") || t.equals("f")) {
            consume();
            out.set(false);
            return;
          }
          if (t.equals("true") || t.equals("t")) {
            consume();
            out.set(true);
            return;
          }
          if (t.equals("-")) {
            consume();
            t = tpp();
            out.set(isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t)));
            return;
          }
          if (isInteger(t) || isLongConstant(t)) {
            consume();
            if (isLongConstant(t)) {
              out.set(parseLong(t));
              return;
            }
            long l = parseLong(t);
            boolean isInt = l == (int) l;
            out.set(isInt ? (Object) Integer.valueOf((int) l) : (Object) Long.valueOf(l));
            return;
          }
          if (t.equals("File")) {
            consume();
            File f = new File(unquote(tpp()));
            out.set(f);
            return;
          }
          if (t.startsWith("r") && isInteger(t.substring(1))) {
            consume();
            int ref = Integer.parseInt(t.substring(1));
            Object o = refs.get(ref);
            if (o == null)
              print("Warning: unsatisfied back reference " + ref);
            out.set(o);
            return;
          }
          if (t.startsWith("t") && isInteger(t.substring(1))) {
            consume();
            int ref = Integer.parseInt(t.substring(1));
            Object o = tokrefs.get(ref);
            if (o == null)
              print("Warning: unsatisfied token reference " + ref);
            out.set(o);
            return;
          }
          if (t.equals("hashset")) {
            parseHashSet(out);
            return;
          }
          if (t.equals("lhs")) {
            parseLinkedHashSet(out);
            return;
          }
          if (t.equals("treeset")) {
            parseTreeSet(out);
            return;
          }
          if (t.equals("ciset")) {
            parseCISet(out);
            return;
          }
          if (eqOneOf(t, "hashmap", "hm")) {
            consume();
            parseMap(new HashMap(), out);
            return;
          }
          if (t.equals("lhm")) {
            consume();
            parseMap(new LinkedHashMap(), out);
            return;
          }
          if (t.equals("tm")) {
            consume();
            parseMap(new TreeMap(), out);
            return;
          }
          if (t.equals("cimap")) {
            consume();
            parseMap(ciMap(), out);
            return;
          }
          if (t.equals("sync")) {
            consume();
            if (t().equals("tm")) {
              consume();
              {
                parseMap(synchronizedTreeMap(), out);
                return;
              }
            }
            if (t().equals("[")) {
              parseList(synchroList(), out);
              return;
            }
            {
              parseMap(synchronizedMap(), out);
              return;
            }
          }
          if (t.equals("{")) {
            parseMap(out);
            return;
          }
          if (t.equals("[")) {
            this.parseList(new ArrayList(), out);
            return;
          }
          if (t.equals("bitset")) {
            parseBitSet(out);
            return;
          }
          if (t.equals("array") || t.equals("intarray")) {
            parseArray(out);
            return;
          }
          if (t.equals("ba")) {
            consume();
            String hex = unquote(tpp());
            out.set(hexToBytes(hex));
            return;
          }
          if (t.equals("boolarray")) {
            consume();
            int n = parseInt(tpp());
            String hex = unquote(tpp());
            out.set(boolArrayFromBytes(hexToBytes(hex), n));
            return;
          }
          if (t.equals("class")) {
            out.set(parseClass());
            return;
          }
          if (t.equals("l")) {
            parseLisp(out);
            return;
          }
          if (t.equals("null")) {
            consume();
            out.set(null);
            return;
          }
          if (eq(t, "c")) {
            consume("c");
            t = t();
            assertTrue(isJavaIdentifier(t));
            concepts.add(t);
          }
        }
        if (eq(t, "j")) {
          consume("j");
          out.set(parseJava());
          return;
        }
        if (c == null && !isJavaIdentifier(t))
          throw new RuntimeException("Unknown token " + (i + 1) + ": " + t);
        consume();
        String className, fullClassName;
        if (eq(t(), ".")) {
          consume();
          className = fullClassName = t + "." + assertIdentifier(tpp());
        } else {
          className = t;
          fullClassName = "main$" + t;
        }
        if (c == null) {
          if (allDynamic)
            c = null;
          else
            c = classFinder != null ? (Class) callF(classFinder, fullClassName) : findClass_fullName(fullClassName);
          if (c != null)
            classesMap.put(className, c);
        }
        boolean hasBracket = eq(t(), "(");
        if (hasBracket)
          consume();
        boolean hasOuter = hasBracket && eq(t(), "this$1");
        DynamicObject dO = null;
        Object o = null;
        final String thingName = t;
        if (c != null) {
          o = hasOuter ? nuStubInnerObject(c, classFinder) : nuEmptyObject(c);
          if (o instanceof DynamicObject)
            dO = (DynamicObject) o;
        } else {
          if (concepts.contains(t) && (c = findClass("Concept")) != null)
            o = dO = (DynamicObject) nuEmptyObject(c);
          else
            dO = new DynamicObject();
          dO.className = className;
        }
        if (refID != 0)
          refs.put(refID, o != null ? o : dO);
        tokrefs.put(tokIndex, o != null ? o : dO);
        final LinkedHashMap<String, Object> fields = new LinkedHashMap();
        final Object _o = o;
        final DynamicObject _dO = dO;
        if (hasBracket) {
          stack.add(new Runnable() {

            public void run() {
              try {
                if (eq(t(), ")")) {
                  consume(")");
                  objRead(_o, _dO, fields);
                  out.set(_o != null ? _o : _dO);
                } else {
                  final String key = unquote(tpp());
                  if (!eq(tpp(), "="))
                    throw fail("= expected, got " + t() + " after " + quote(key) + " in object " + thingName);
                  stack.add(this);
                  parse(new unstructure_Receiver() {

                    public void set(Object value) {
                      fields.put(key, value);
                      if (eq(t(), ","))
                        consume();
                    }
                  });
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "if (eq(t(), \")\")) {\r\n            consume(\")\");\r\n            objRead(_o, _dO, ...";
            }
          });
        } else {
          objRead(o, dO, fields);
          out.set(o != null ? o : dO);
        }
      }

      public void objRead(Object o, DynamicObject dO, Map<String, Object> fields) {
        if (o != null)
          if (dO != null) {
            setOptAllDyn(dO, fields);
          } else {
            setOptAll_pcall(o, fields);
          }
        else
          for (String field : keys(fields)) dO.fieldValues.put(intern(field), fields.get(field));
        if (o != null)
          pcallOpt_noArgs(o, "_doneLoading");
      }

      public void parseSet(final Set set, final unstructure_Receiver out) {
        this.parseList(new ArrayList(), new unstructure_Receiver() {

          public void set(Object o) {
            set.addAll((List) o);
            out.set(set);
          }
        });
      }

      public void parseLisp(final unstructure_Receiver out) {
        throw fail("class Lisp not included");
      }

      public void parseBitSet(final unstructure_Receiver out) {
        consume("bitset");
        consume("{");
        final BitSet bs = new BitSet();
        stack.add(new Runnable() {

          public void run() {
            try {
              if (eq(t(), "}")) {
                consume("}");
                out.set(bs);
              } else {
                stack.add(this);
                parse(new unstructure_Receiver() {

                  public void set(Object o) {
                    bs.set((Integer) o);
                    if (eq(t(), ","))
                      consume();
                  }
                });
              }
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "if (eq(t(), \"}\")) {\r\n          consume(\"}\");\r\n          out.set(bs);\r\n       ...";
          }
        });
      }

      public void parseList(final List list, final unstructure_Receiver out) {
        consume("[");
        stack.add(new Runnable() {

          public void run() {
            try {
              if (eq(t(), "]")) {
                consume("]");
                out.set(list);
              } else {
                stack.add(this);
                parse(new unstructure_Receiver() {

                  public void set(Object o) {
                    list.add(o);
                    if (eq(t(), ","))
                      consume();
                  }
                });
              }
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "if (eq(t(), \"]\")) {\r\n          consume(\"]\");\r\n          out.set(list);\r\n     ...";
          }
        });
      }

      public void parseArray(final unstructure_Receiver out) {
        final String type = tpp();
        consume("{");
        final List list = new ArrayList();
        stack.add(new Runnable() {

          public void run() {
            try {
              if (eq(t(), "}")) {
                consume("}");
                out.set(type.equals("intarray") ? toIntArray(list) : list.toArray());
              } else {
                stack.add(this);
                parse(new unstructure_Receiver() {

                  public void set(Object o) {
                    list.add(o);
                    if (eq(t(), ","))
                      consume();
                  }
                });
              }
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "if (eq(t(), \"}\")) {\r\n          consume(\"}\");\r\n          out.set(type.equals(\"...";
          }
        });
      }

      public Object parseClass() {
        consume("class");
        consume("(");
        String name = unquote(tpp());
        consume(")");
        Class c = allDynamic ? null : classFinder != null ? (Class) callF(classFinder, name) : findClass_fullName(name);
        if (c != null)
          return c;
        DynamicObject dO = new DynamicObject();
        dO.className = "java.lang.Class";
        name = dropPrefix("main$", name);
        dO.fieldValues.put("name", name);
        return dO;
      }

      public Object parseBigInt() {
        consume("bigint");
        consume("(");
        String val = tpp();
        if (eq(val, "-"))
          val = "-" + tpp();
        consume(")");
        return new BigInteger(val);
      }

      public Object parseDouble() {
        consume("d");
        consume("(");
        String val = unquote(tpp());
        consume(")");
        return Double.parseDouble(val);
      }

      public Object parseFloat() {
        consume("fl");
        String val;
        if (eq(t(), "(")) {
          consume("(");
          val = unquote(tpp());
          consume(")");
        } else {
          val = unquote(tpp());
        }
        return Float.parseFloat(val);
      }

      public void parseHashSet(unstructure_Receiver out) {
        consume("hashset");
        parseSet(new HashSet(), out);
      }

      public void parseLinkedHashSet(unstructure_Receiver out) {
        consume("lhs");
        parseSet(new LinkedHashSet(), out);
      }

      public void parseTreeSet(unstructure_Receiver out) {
        consume("treeset");
        parseSet(new TreeSet(), out);
      }

      public void parseCISet(unstructure_Receiver out) {
        consume("ciset");
        parseSet(ciSet(), out);
      }

      public void parseMap(unstructure_Receiver out) {
        parseMap(new TreeMap(), out);
      }

      public Object parseJava() {
        String j = unquote(tpp());
        Matches m = new Matches();
        if (jmatch("java.awt.Color[r=*,g=*,b=*]", j, m))
          return nuObject("java.awt.Color", parseInt(m.unq(0)), parseInt(m.unq(1)), parseInt(m.unq(2)));
        else {
          warn("Unknown Java object: " + j);
          return null;
        }
      }

      public void parseMap(final Map map, final unstructure_Receiver out) {
        consume("{");
        stack.add(new Runnable() {

          public boolean v;

          public Object key;

          public void run() {
            if (v) {
              v = false;
              stack.add(this);
              if (!eq(tpp(), "="))
                throw fail("= expected, got " + t() + " in map of size " + l(map));
              parse(new unstructure_Receiver() {

                public void set(Object value) {
                  map.put(key, value);
                  if (eq(t(), ","))
                    consume();
                }
              });
            } else {
              if (eq(t(), "}")) {
                consume("}");
                out.set(map);
              } else {
                v = true;
                stack.add(this);
                parse(new unstructure_Receiver() {

                  public void set(Object o) {
                    key = o;
                  }
                });
              }
            }
          }
        });
      }

      public void consume() {
        curT = tok.next();
        ++i;
      }

      public void consume(String s) {
        if (!eq(t(), s)) {
          throw fail(quote(s) + " expected, got " + quote(t()));
        }
        consume();
      }

      public void parse_x(unstructure_Receiver out) {
        consume();
        parse(out);
        while (nempty(stack)) popLast(stack).run();
      }
    }
    Boolean b = DynamicObject_loading.get();
    DynamicObject_loading.set(true);
    try {
      final Var v = new Var();
      X x = new X();
      x.parse_x(new unstructure_Receiver() {

        public void set(Object o) {
          v.set(o);
        }
      });
      unstructure_tokrefs = x.tokrefs.size();
      return v.get();
    } finally {
      DynamicObject_loading.set(b);
    }
  }

  public static boolean unstructure_debug;

  public static List<String> codeTokens(List<String> tok) {
    return codeTokensOnly(tok);
  }

  public static String format(String pat, Object... args) {
    return format3(pat, args);
  }

  public static String quote(Object o) {
    if (o == null)
      return "null";
    return quote(str(o));
  }

  public static String quote(String s) {
    if (s == null)
      return "null";
    StringBuilder out = new StringBuilder((int) (l(s) * 1.5 + 2));
    quote_impl(s, out);
    return out.toString();
  }

  public static void quote_impl(String s, StringBuilder out) {
    out.append('"');
    int l = s.length();
    for (int i = 0; i < l; i++) {
      char c = s.charAt(i);
      if (c == '\\' || c == '"')
        out.append('\\').append(c);
      else if (c == '\r')
        out.append("\\r");
      else if (c == '\n')
        out.append("\\n");
      else if (c == '\0')
        out.append("\\0");
      else
        out.append(c);
    }
    out.append('"');
  }

  public static String sfu(Object o) {
    return structureForUser(o);
  }

  public static TreeSet<String> toCaseInsensitiveSet(Iterable<String> c) {
    if (isCISet(c))
      return (TreeSet) c;
    TreeSet<String> set = caseInsensitiveSet();
    addAll(set, c);
    return set;
  }

  public static TreeSet<String> toCaseInsensitiveSet(String... x) {
    TreeSet<String> set = caseInsensitiveSet();
    addAll(set, x);
    return set;
  }

  public static Set similarEmptySet(Collection m) {
    if (m instanceof TreeSet)
      return new TreeSet(((TreeSet) m).comparator());
    if (m instanceof LinkedHashSet)
      return new LinkedHashSet();
    return new HashSet();
  }

  public static <A> List<A> uniquify(Collection<A> l) {
    return uniquifyList(l);
  }

  public static <A, B> List<Pair<A, B>> multiMapToPairs(MultiMap<A, B> mm) {
    List<Pair<A, B>> out = new ArrayList();
    for (A key : keys(mm)) for (B value : mm.get(key)) out.add(pair(key, value));
    return out;
  }

  public static <A, B extends A> Set<A> setMinusSet(Set<A> l, Collection<B> stuff) {
    if (empty(stuff))
      return l;
    Set<B> set = asSet(stuff);
    Set<A> l2 = similarEmptySet(l);
    for (A a : l) if (!set.contains(a))
      l2.add(a);
    return l2;
  }

  public static Class<?> getClass(String name) {
    try {
      return Class.forName(name);
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  public static Class getClass(Object o) {
    return o instanceof Class ? (Class) o : o.getClass();
  }

  public static Class getClass(Object realm, String name) {
    try {
      try {
        return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
      } catch (ClassNotFoundException e) {
        return null;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String classNameToVM(String name) {
    return name.replace(".", "$");
  }

  public static <A, B> LinkedHashMap<A, B> asLinkedHashMap(Map<A, B> map) {
    if (map instanceof LinkedHashMap)
      return (LinkedHashMap) map;
    LinkedHashMap<A, B> m = new LinkedHashMap();
    if (map != null)
      synchronized (collectionMutex(map)) {
        m.putAll(map);
      }
    return m;
  }

  public static boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) {
    return a != null && a.regionMatches(true, offsetA, b, offsetB, len);
  }

  public static Font loadFont(String snippetID) {
    try {
      return loadFont(snippetID, 12f);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Font loadFont(InputStream in) {
    try {
      return Font.createFont(Font.TRUETYPE_FONT, in);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Font loadFont(String snippetID, float fontSize) {
    return loadFont(loadLibrary(snippetID), fontSize);
  }

  public static Font loadFont(File f, float fontSize) {
    try {
      return Font.createFont(Font.TRUETYPE_FONT, f).deriveFont(fontSize);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Font loadFont(InputStream in, float fontSize) {
    try {
      return Font.createFont(Font.TRUETYPE_FONT, in).deriveFont(fontSize);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <A extends JTextComponent> A jenableUndoRedo(final A textcomp) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            final UndoManager undo = new UndoManager();
            vm_generalWeakSet("Undo Managers").add(undo);
            textcomp.getDocument().addUndoableEditListener(new UndoableEditListener() {

              public void undoableEditHappened(UndoableEditEvent evt) {
                undo.addEdit(evt.getEdit());
              }
            });
            textcomp.getActionMap().put("Undo", abstractAction("Undo", new Runnable() {

              public void run() {
                try {
                  if (undo.canUndo())
                    undo.undo();
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "if (undo.canUndo()) undo.undo()";
              }
            }));
            textcomp.getActionMap().put("Redo", abstractAction("Redo", new Runnable() {

              public void run() {
                try {
                  if (undo.canRedo())
                    undo.redo();
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "if (undo.canRedo()) undo.redo()";
              }
            }));
            textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");
            textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "final new UndoManager undo;\r\n    vm_generalWeakSet(\"Undo Managers\").add(undo)...";
        }
      });
    }
    return textcomp;
  }

  public static boolean isSubstanceLAF() {
    return substanceLookAndFeelEnabled();
  }

  public static boolean titlePopupMenu(final Component c, final Object menuMaker) {
    JComponent titleBar = getTitlePaneComponent(getPossiblyInternalFrame(c));
    if (titleBar == null) {
      print("Can't add title right click!");
      return false;
    } else {
      componentPopupMenu(titleBar, menuMaker);
      return true;
    }
  }

  public static JCheckBoxMenuItem jCheckBoxMenuItem(String text, boolean checked, final Object r) {
    final JCheckBoxMenuItem mi = new JCheckBoxMenuItem(text, checked);
    addActionListener(mi, new Runnable() {

      public void run() {
        try {
          callF(r, isChecked(mi));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callF(r, isChecked(mi))";
      }
    });
    return mi;
  }

  public static void toggleAlwaysOnTop(JFrame frame) {
    frame.setAlwaysOnTop(!frame.isAlwaysOnTop());
  }

  public static void shootWindowGUI_external(JFrame frame) {
    call(hotwireOnce("#1007178"), "shootWindowGUI", frame);
  }

  public static void shootWindowGUI_external(final JFrame frame, int delay) {
    call(hotwireOnce("#1007178"), "shootWindowGUI", frame, delay);
  }

  public static <A> A oneOf(List<A> l) {
    return l.isEmpty() ? null : l.get(new Random().nextInt(l.size()));
  }

  public static char oneOf(String s) {
    return empty(s) ? '?' : s.charAt(random(l(s)));
  }

  public static String oneOf(String... l) {
    return oneOf(asList(l));
  }

  public static <A> A collectionGet(Collection<A> c, int idx) {
    if (c == null || idx < 0 || idx >= l(c))
      return null;
    if (c instanceof List)
      return listGet((List<A>) c, idx);
    Iterator<A> it = c.iterator();
    for (int i = 0; i < idx; i++) if (it.hasNext())
      it.next();
    else
      return null;
    return it.hasNext() ? it.next() : null;
  }

  public static int showForm_defaultGap = 4;

  public static int showForm_gapBetweenColumns = 10;

  public static JPanel showFormTitled(final String title, final Object... _parts) {
    JDesktopPane desktop = mainDesktopPane();
    if (desktop != null)
      return showInternalFrameFormTitled(desktop, title, _parts);
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          final Var<JFrame> frame = new Var();
          JPanel panel = showForm_makePanel(false, _parts);
          frame.set(showForm_makeFrame(title, panel));
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "final new Var<JFrame> frame;\r\n    JPanel panel = showForm_makePanel(false, _p...";
      }
    });
  }

  public static JPanel showForm_makePanel(Boolean internalFrame, Object... _parts) {
    List<JComponent> out = showForm_arrange1(showForm_makeComponents(internalFrame, _parts));
    return vstackWithSpacing(out, showForm_defaultGap);
  }

  public static void nohupJavax(final String javaxargs) {
    startThread(new Runnable() {

      public void run() {
        try {
          call(hotwireOnce("#1008562"), "nohupJavax", javaxargs);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "call(hotwireOnce(\"#1008562\"), \"nohupJavax\", javaxargs);";
      }
    });
  }

  public static void nohupJavax(final String javaxargs, final String vmArgs) {
    startThread(new Runnable() {

      public void run() {
        try {
          call(hotwireOnce("#1008562"), "nohupJavax", javaxargs, vmArgs);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "call(hotwireOnce(\"#1008562\"), \"nohupJavax\", javaxargs, vmArgs);";
      }
    });
  }

  public static String smartJoin(String[] args) {
    if (args.length == 1)
      return args[0];
    String[] a = new String[args.length];
    for (int i = 0; i < a.length; i++) a[i] = !isJavaIdentifier(args[i]) && !isQuoted(args[i]) ? quote(args[i]) : args[i];
    return join(" ", a);
  }

  public static String smartJoin(List<String> args) {
    return smartJoin(toStringArray(args));
  }

  public static Map synchroMap() {
    return synchroHashMap();
  }

  public static <A, B> Map<A, B> synchroMap(Map<A, B> map) {
    return Collections.synchronizedMap(map);
  }

  public static int findEndOfBracketPart(List<String> cnc, int i) {
    int j = i + 2, level = 1;
    while (j < cnc.size()) {
      if (eqOneOf(cnc.get(j), "{", "("))
        ++level;
      else if (eqOneOf(cnc.get(j), "}", ")"))
        --level;
      if (level == 0)
        return j + 1;
      ++j;
    }
    return cnc.size();
  }

  public static String joinSubList(List<String> l, int i, int j) {
    return join(subList(l, i, j));
  }

  public static String joinSubList(List<String> l, int i) {
    return join(subList(l, i));
  }

  public static List<String> replaceSubList(List<String> l, List<String> x, List<String> y) {
    return replaceSublist(l, x, y);
  }

  public static <A> List<A> replaceSubList(List<A> l, int fromIndex, int toIndex, List<A> y) {
    return replaceSublist(l, fromIndex, toIndex, y);
  }

  public static <A> A popLast(List<A> l) {
    return liftLast(l);
  }

  public static <A> ArrayList<A> cloneListSynchronizingOn(Collection<A> l, Object mutex) {
    if (l == null)
      return new ArrayList();
    synchronized (mutex) {
      return new ArrayList<A>(l);
    }
  }

  public static long parseLong(String s) {
    if (s == null)
      return 0;
    return Long.parseLong(dropSuffix("L", s));
  }

  public static long parseLong(Object s) {
    return Long.parseLong((String) s);
  }

  public static File javaxCachesDir_dir;

  public static File javaxCachesDir() {
    return javaxCachesDir_dir != null ? javaxCachesDir_dir : new File(userHome(), "JavaX-Caches");
  }

  public static File javaxCachesDir(String sub) {
    return newFile(javaxCachesDir(), sub);
  }

  public static FileOutputStream newFileOutputStream(File path) throws IOException {
    return newFileOutputStream(path.getPath());
  }

  public static FileOutputStream newFileOutputStream(String path) throws IOException {
    return newFileOutputStream(path, false);
  }

  public static FileOutputStream newFileOutputStream(File path, boolean append) throws IOException {
    return newFileOutputStream(path.getPath(), append);
  }

  public static FileOutputStream newFileOutputStream(String path, boolean append) throws IOException {
    mkdirsForFile(path);
    FileOutputStream f = new FileOutputStream(path, append);
    _registerIO(f, path, true);
    return f;
  }

  public static String imageServerURL() {
    return or2(trim(loadTextFile(javaxDataDir("image-server-url.txt"))), "http://botcompany.de/images/raw/");
  }

  public static volatile boolean muricaPassword_pretendNotAuthed;

  public static String muricaPassword() {
    if (muricaPassword_pretendNotAuthed)
      return null;
    return trim(loadTextFile(muricaPasswordFile()));
  }

  public static int loadPage_defaultTimeout = 60000;

  public static ThreadLocal<String> loadPage_charset = new ThreadLocal();

  public static boolean loadPage_allowGzip = true, loadPage_debug;

  public static boolean loadPage_anonymous;

  public static int loadPage_verboseness = 100000;

  public static int loadPage_retries = 1;

  public static ThreadLocal<Boolean> loadPage_silent = new ThreadLocal();

  public static volatile int loadPage_forcedTimeout;

  public static ThreadLocal<Integer> loadPage_forcedTimeout_byThread = new ThreadLocal();

  public static ThreadLocal<Map<String, List<String>>> loadPage_responseHeaders = new ThreadLocal();

  public static ThreadLocal<Map<String, String>> loadPage_extraHeaders = new ThreadLocal();

  public static String loadPageSilently(String url) {
    try {
      return loadPageSilently(new URL(loadPage_preprocess(url)));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadPageSilently(URL url) {
    try {
      if (url.getProtocol().equals("https"))
        disableCertificateValidation();
      if (!networkAllowanceTest(str(url)))
        throw fail("Not allowed: " + url);
      IOException e = null;
      for (int tries = 0; tries < loadPage_retries; tries++) try {
        URLConnection con = loadPage_openConnection(url);
        return loadPage(con, url);
      } catch (IOException _e) {
        e = _e;
        if (loadPageThroughProxy_enabled) {
          print("Trying proxy because of: " + e);
          try {
            return loadPageThroughProxy(str(url));
          } catch (Throwable e2) {
            print("  " + exceptionToStringShort(e2));
          }
        } else if (loadPage_debug)
          print(exceptionToStringShort(e));
        if (tries < loadPage_retries - 1)
          sleepSeconds(1);
      }
      throw e;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadPage_preprocess(String url) {
    if (url.startsWith("tb/"))
      url = tb_mainServer() + "/" + url;
    if (url.indexOf("://") < 0)
      url = "http://" + url;
    return url;
  }

  public static String loadPage(String url) {
    try {
      url = loadPage_preprocess(url);
      if (!isTrue(loadPage_silent.get()))
        printWithTime("Loading: " + hideCredentials(url));
      return loadPageSilently(new URL(url));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadPage(URL url) {
    return loadPage(url.toExternalForm());
  }

  public static String loadPage(URLConnection con, URL url) throws IOException {
    return loadPage(con, url, true);
  }

  public static String loadPage(URLConnection con, URL url, boolean addHeaders) throws IOException {
    Map<String, String> extraHeaders = getAndClearThreadLocal(loadPage_extraHeaders);
    if (addHeaders)
      try {
        if (!loadPage_anonymous)
          setHeaders(con);
        if (loadPage_allowGzip)
          con.setRequestProperty("Accept-Encoding", "gzip");
        con.setRequestProperty("X-No-Cookies", "1");
        for (String key : keys(extraHeaders)) con.setRequestProperty(key, extraHeaders.get(key));
      } catch (Throwable e) {
      }
    vm_generalSubMap("URLConnection per thread").put(currentThread(), con);
    loadPage_responseHeaders.set(con.getHeaderFields());
    InputStream in = null;
    try {
      in = con.getInputStream();
      if (loadPage_debug)
        print("Put stream in map: " + currentThread());
      String contentType = con.getContentType();
      if (contentType == null) {
        throw new IOException("Page could not be read: " + hideCredentials(url));
      }
      String charset = loadPage_charset == null ? null : loadPage_charset.get();
      if (charset == null)
        charset = loadPage_guessCharset(contentType);
      if ("gzip".equals(con.getContentEncoding())) {
        if (loadPage_debug)
          print("loadPage: Using gzip.");
        in = newGZIPInputStream(in);
      }
      Reader r;
      try {
        r = new InputStreamReader(in, unquote(charset));
      } catch (UnsupportedEncodingException e) {
        print(toHex(utf8(charset)));
        throw e;
      }
      StringBuilder buf = new StringBuilder();
      int n = 0;
      while (true) {
        int ch = r.read();
        if (ch < 0)
          break;
        buf.append((char) ch);
        ++n;
        if ((n % loadPage_verboseness) == 0)
          print("  " + n + " chars read");
      }
      return buf.toString();
    } finally {
      if (loadPage_debug)
        print("loadPage done");
      vm_generalSubMap("URLConnection per thread").remove(currentThread());
      if (in != null)
        in.close();
    }
  }

  public static String loadPage_guessCharset(String contentType) {
    Matcher m = regexpMatcher("text/[a-z]+;\\s*charset=([^\\s]+)\\s*", contentType);
    String match = m.matches() ? m.group(1) : null;
    if (loadPage_debug)
      print("loadPage: contentType=" + contentType + ", match: " + match);
    return or(match, "UTF-8");
  }

  public static URLConnection loadPage_openConnection(URL url) {
    URLConnection con = openConnection(url);
    int timeout = toInt(loadPage_forcedTimeout_byThread.get());
    if (timeout == 0)
      timeout = loadPage_forcedTimeout;
    if (timeout != 0)
      setURLConnectionTimeouts(con, loadPage_forcedTimeout);
    else
      setURLConnectionDefaultTimeouts(con, loadPage_defaultTimeout);
    return con;
  }

  public static <A> A getAndClearThreadLocal(ThreadLocal<A> tl) {
    A a = tl.get();
    tl.set(null);
    return a;
  }

  public static void setHeaders(URLConnection con) throws IOException {
    String computerID = getComputerID_quick();
    if (computerID != null)
      try {
        con.setRequestProperty("X-ComputerID", computerID);
        con.setRequestProperty("X-OS", System.getProperty("os.name") + " " + System.getProperty("os.version"));
      } catch (Throwable e) {
      }
  }

  public static <A> A println(A a) {
    return print(a);
  }

  public static File mkdirsFor(File file) {
    return mkdirsForFile(file);
  }

  public static void copyStreamWithPrints(InputStream in, OutputStream out, String pat) {
    try {
      byte[] buf = new byte[65536];
      int total = 0;
      while (true) {
        int n = in.read(buf);
        if (n <= 0)
          return;
        out.write(buf, 0, n);
        if ((total + n) / 100000 > total / 100000)
          print(pat.replace("{*}", str(roundDownTo(total, 100000))));
        total += n;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void renameFile_assertTrue(File a, File b) {
    try {
      if (!a.exists())
        throw fail("Source file not found: " + f2s(a));
      if (b.exists())
        throw fail("Target file exists: " + f2s(b));
      mkdirsForFile(b);
      if (!a.renameTo(b))
        throw fail("Can't rename " + f2s(a) + " to " + f2s(b));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static byte[] hexToBytes(String s) {
    if (odd(l(s)))
      throw fail("Hex string has odd length: " + quote(shorten(10, s)));
    int n = l(s) / 2;
    byte[] bytes = new byte[n];
    for (int i = 0; i < n; i++) {
      int a = parseHexChar(s.charAt(i * 2));
      int b = parseHexChar(s.charAt(i * 2 + 1));
      if (a < 0 || b < 0)
        throw fail("Bad hex byte: " + quote(substring(s, i * 2, i * 2 + 2)) + " at " + i * 2 + "/" + l(s));
      bytes[i] = (byte) ((a << 4) | b);
    }
    return bytes;
  }

  public static byte[] loadBinaryFilePart(File file, long start, long end) {
    try {
      RandomAccessFile raf = new RandomAccessFile(file, "r");
      int n = toInt(min(raf.length(), end - start));
      byte[] buffer = new byte[n];
      try {
        raf.seek(start);
        raf.readFully(buffer, 0, n);
        return buffer;
      } finally {
        raf.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static <T> void sort(T[] a, Comparator<? super T> c) {
    Arrays.sort(a, c);
  }

  public static <T> void sort(T[] a) {
    Arrays.sort(a);
  }

  public static <T> void sort(List<T> a, Comparator<? super T> c) {
    Collections.sort(a, c);
  }

  public static void sort(List a) {
    Collections.sort(a);
  }

  public static int stdcompare(Number a, Number b) {
    return cmp(a, b);
  }

  public static int stdcompare(String a, String b) {
    return cmp(a, b);
  }

  public static int stdcompare(long a, long b) {
    return a < b ? -1 : a > b ? 1 : 0;
  }

  public static int stdcompare(Object a, Object b) {
    return cmp(a, b);
  }

  public static ThreadLocal makeAndCall_initChild = new ThreadLocal();

  public static Object makeAndCall_cached(String functionName, Object... args) {
    Class c = loadFunctions_cached(functionName);
    AutoCloseable closer = (AutoCloseable) (callF(makeAndCall_initChild.get(), c));
    AutoCloseable __860 = closer;
    try {
      return preciseCall(c, functionName, args);
    } finally {
      _close(__860);
    }
  }

  public static Comparator<String> caseInsensitiveComparator() {
    return betterCIComparator();
  }

  public static <A> List<Integer> indicesOfSubList(List<A> x, List<A> y) {
    List<Integer> l = new ArrayList();
    int i = 0;
    while (true) {
      int j = indexOfSubList(x, y, i);
      if (j < 0)
        break;
      l.add(j);
      i = j + 1;
    }
    return l;
  }

  public static String[] dropLast(String[] a, int n) {
    n = Math.min(n, a.length);
    String[] b = new String[a.length - n];
    System.arraycopy(a, 0, b, 0, b.length);
    return b;
  }

  public static <A> List<A> dropLast(List<A> l) {
    return subList(l, 0, l(l) - 1);
  }

  public static <A> List<A> dropLast(int n, List<A> l) {
    return subList(l, 0, l(l) - n);
  }

  public static <A> List<A> dropLast(Iterable<A> l) {
    return dropLast(asList(l));
  }

  public static String dropLast(String s) {
    return substring(s, 0, l(s) - 1);
  }

  public static String dropLast(String s, int n) {
    return substring(s, 0, l(s) - n);
  }

  public static String dropLast(int n, String s) {
    return dropLast(s, n);
  }

  public static <A> List<A> takeLast(List<A> l, int n) {
    return newSubList(l, l(l) - n);
  }

  public static <A> List<A> takeLast(int n, List<A> l) {
    return takeLast(l, n);
  }

  public static String takeLast(int n, String s) {
    return substring(s, l(s) - n);
  }

  public static String takeLast(String s, int n) {
    return substring(s, l(s) - n);
  }

  public static boolean strictPutICIfKeyNotEqualToValue(Map<String, String> map, String key, String value) {
    if (eqic(key, value))
      return true;
    return strictPutIC(map, key, value);
  }

  public static <A> boolean canPutAllStrictlyIC(Map<A, String> map, Map<A, String> map2) {
    {
      final Map<A, String> __1219 = unnull(map2);
      for (A key : keys(__1219)) {
        String value = __1219.get(key);
        if (!canPutStrictlyIC(map, key, value))
          return false;
      }
    }
    return true;
  }

  public static <A> boolean strictPutIC(Map<A, String> map, A key, String value) {
    if (!(map != null && key != null && value != null))
      return true;
    String old = map.get(key);
    if (old == null) {
      map.put(key, value);
      return true;
    }
    return eqic(old, value);
  }

  public static boolean isEmpty(Collection c) {
    return c == null || c.isEmpty();
  }

  public static boolean isEmpty(CharSequence s) {
    return s == null || s.length() == 0;
  }

  public static boolean isEmpty(Object[] a) {
    return a == null || a.length == 0;
  }

  public static boolean isEmpty(byte[] a) {
    return a == null || a.length == 0;
  }

  public static boolean isEmpty(Map map) {
    return map == null || map.isEmpty();
  }

  public static String[] drop(int n, String[] a) {
    n = Math.min(n, a.length);
    String[] b = new String[a.length - n];
    System.arraycopy(a, n, b, 0, b.length);
    return b;
  }

  public static Object[] drop(int n, Object[] a) {
    n = Math.min(n, a.length);
    Object[] b = new Object[a.length - n];
    System.arraycopy(a, n, b, 0, b.length);
    return b;
  }

  public static <A> ArrayList<A> toList(A[] a) {
    return asList(a);
  }

  public static ArrayList<Integer> toList(int[] a) {
    return asList(a);
  }

  public static <A> ArrayList<A> toList(Set<A> s) {
    return asList(s);
  }

  public static <A> ArrayList<A> toList(Iterable<A> s) {
    return asList(s);
  }

  public static boolean eqic(String a, String b) {
    if ((a == null) != (b == null))
      return false;
    if (a == null)
      return true;
    return a.equalsIgnoreCase(b);
  }

  public static boolean eqic(char a, char b) {
    if (a == b)
      return true;
    char u1 = Character.toUpperCase(a);
    char u2 = Character.toUpperCase(b);
    if (u1 == u2)
      return true;
    return Character.toLowerCase(u1) == Character.toLowerCase(u2);
  }

  public static void _registerIO(Object object, String path, boolean opened) {
  }

  public static int showForm_leftWidth(List<List<JComponent>> l) {
    int minW = 0;
    for (List<JComponent> row : l) minW = max(minW, getMinimumSize(first(row)).width);
    return minW;
  }

  public static JPanel westAndCenter(final Component w, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel panel = new JPanel(new BorderLayout());
          panel.add(BorderLayout.WEST, wrap(w));
          panel.add(BorderLayout.CENTER, wrap(c));
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel panel = new JPanel(new BorderLayout);\r\n    panel.add(BorderLayout.WEST...";
      }
    });
  }

  public static int withRightMargin_defaultWidth = 6;

  public static JPanel withRightMargin(Component c) {
    return withRightMargin(withRightMargin_defaultWidth, c);
  }

  public static JPanel withRightMargin(final int w, final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel p = new JPanel(new BorderLayout());
          p.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, w));
          p.add(c);
          return p;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat...";
      }
    });
  }

  public static <A extends Component> A jMinWidth(final int w, final A c) {
    if (c == null)
      return null;
    return swing(new F0<A>() {

      public A get() {
        try {
          Dimension size = c.getMinimumSize();
          c.setMinimumSize(new Dimension(w, size.height));
          return jPreferWidth(w, c);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Dimension size = c.getMinimumSize();\r\n    c.setMinimumSize(new Dimension(/*ma...";
      }
    });
  }

  public static void setComponentID(Component c, String id) {
    if (c != null)
      componentID_map.put(c, id);
  }

  public static List mapLL(Object f, Object... data) {
    return map(f, ll(data));
  }

  public static Map<String, String> humanizeFormLabel_replacements = litmap("id", "ID", "md5", "MD5");

  public static String humanizeFormLabel(String s) {
    if (containsSpace(s))
      return s;
    return firstToUpper(joinWithSpace(replaceElementsUsingMap(splitCamelCase(s), humanizeFormLabel_replacements)).replace("I D", "ID"));
  }

  public static boolean isRunnable(Object o) {
    return o instanceof Runnable || hasMethod(o, "get");
  }

  public static void disposeInternalFrame(Component c) {
    final JInternalFrame f = getInternalFrame(c);
    if (f != null) {
      swing(new Runnable() {

        public void run() {
          try {
            f.dispose();
            setOpt(f, "lastFocusOwner", null);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "f.dispose();\r\n    setOpt(f, \"lastFocusOwner\" , null); // Help GC";
        }
      });
    }
  }

  public static void disposeFrame(final Component c) {
    disposeWindow(c);
  }

  public static void onEnterInAllTextFields(JComponent c, Object action) {
    if (action == null)
      return;
    for (Component tf : allChildren(c)) onEnterIfTextField(tf, action);
  }

  public static void onEnterInAllTextFields(List c, Object action) {
    for (Object o : unnull(c)) if (o instanceof JComponent)
      onEnterInAllTextFields((JComponent) o, action);
  }

  public static void clickButton(final JButton b) {
    if (b != null) {
      swing(new Runnable() {

        public void run() {
          try {
            if (b.isEnabled())
              b.doClick();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (b.isEnabled())\r\n      b.doClick();";
        }
      });
    }
  }

  public static <A extends JComponent> A makeBold(final A c) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            c.setFont(c.getFont().deriveFont(Font.BOLD));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "c.setFont(c.getFont().deriveFont(Font.BOLD));";
        }
      });
    }
    return c;
  }

  public static JFrame handleEscapeKey(final JFrame frame) {
    KeyStroke stroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
    frame.getRootPane().registerKeyboardAction(new ActionListener() {

      public void actionPerformed(ActionEvent actionEvent) {
        frame.dispose();
      }
    }, stroke, JComponent.WHEN_IN_FOCUSED_WINDOW);
    return frame;
  }

  public static JFrame minFrameWidth(JFrame frame, int w) {
    if (frame != null && frame.getWidth() < w)
      frame.setSize(w, frame.getHeight());
    return frame;
  }

  public static JFrame minFrameWidth(int w, JFrame frame) {
    return minFrameWidth(frame, w);
  }

  public static JFrame showPackedFrame(String title, Component contents) {
    return packFrame(showFrame(title, contents));
  }

  public static JFrame showPackedFrame(Component contents) {
    return packFrame(showFrame(contents));
  }

  public static <A extends Component> A revalidate(final A c) {
    if (c == null || !c.isShowing())
      return c;
    {
      swing(new Runnable() {

        public void run() {
          try {
            c.revalidate();
            c.repaint();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "// magic combo to actually relayout and repaint\r\n    c.revalidate();\r\n    c.r...";
        }
      });
    }
    return c;
  }

  public static void revalidate(RootPaneContainer c) {
    revalidate((Component) c);
  }

  public static void revalidate(JFrame f) {
    revalidate((Component) f);
  }

  public static void revalidate(JInternalFrame f) {
    revalidate((Component) f);
  }

  public static boolean isJavaIdentifier(String s) {
    if (empty(s) || !Character.isJavaIdentifierStart(s.charAt(0)))
      return false;
    for (int i = 1; i < s.length(); i++) if (!Character.isJavaIdentifierPart(s.charAt(i)))
      return false;
    return true;
  }

  public static Object vmBus_query(String msg, Object... args) {
    Object arg = empty(args) ? null : l(args) == 1 ? args[0] : args;
    {
      Object __573 = pcallFAll_returnFirstNotNull(vm_busListeners_live(), msg, arg);
      if (__573 != null)
        return __573;
    }
    return pcallFAll_returnFirstNotNull(vm_busListenersByMessage_live().get(msg), msg, arg);
  }

  public static Object vmBus_query(String msg) {
    return vmBus_query(msg, (Object) null);
  }

  public static String assertIdentifier(String s) {
    return assertIsIdentifier(s);
  }

  public static Object dm_os() {
    return creator();
  }

  public static <A> A callCreator(String functionName, Object... args) {
    return (A) call(creator(), functionName, args);
  }

  public static File standardLogFile() {
    return getProgramFile("log");
  }

  public static void logQuoted(String logFile, String line) {
    logQuoted(getProgramFile(logFile), line);
  }

  public static void logQuoted(File logFile, String line) {
    appendToFile(logFile, quote(line) + "\n");
  }

  public static long now_virtualTime;

  public static long now() {
    return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
  }

  public static String _userHome;

  public static String userHome() {
    if (_userHome == null) {
      if (isAndroid())
        _userHome = "/storage/sdcard0/";
      else
        _userHome = System.getProperty("user.home");
    }
    return _userHome;
  }

  public static File userHome(String path) {
    return new File(userDir(), path);
  }

  public static File newFile(File base, String... names) {
    for (String name : names) base = new File(base, name);
    return base;
  }

  public static File newFile(String name) {
    return name == null ? null : new File(name);
  }

  public static void setCaretPosition(final JTextComponent c, final int pos) {
    if (c != null) {
      swing(new Runnable() {

        public void run() {
          try {
            try {
              int _pos = max(0, min(l(c.getText()), pos));
              c.setCaretPosition(_pos);
            } catch (Throwable __e) {
              _handleException(__e);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "pcall {\r\n      int _pos = max(0, min(l(c.getText()), pos));\r\n      c.setCaret...";
        }
      });
    }
  }

  public static String getSnippetTitle(String id) {
    try {
      if (id == null)
        return null;
      if (!isSnippetID(id))
        return "?";
      if (isLocalSnippetID(id))
        return localSnippetTitle(id);
      long parsedID = parseSnippetID(id);
      String url;
      if (isImageServerSnippet(parsedID))
        url = imageServerURL() + "title/" + parsedID + muricaCredentialsQuery();
      else if (isGeneralFileServerSnippet(parsedID))
        url = "http://butter.botcompany.de:8080/files/name/" + parsedID;
      else
        url = tb_mainServer() + "/tb-int/getfield.php?id=" + parsedID + "&field=title" + standardCredentials_noCookies();
      String title = trim(loadPageSilently(url));
      if (title != null)
        try {
          saveTextFileIfChanged(snippetTitle_cacheFile(id), title);
        } catch (Throwable __e) {
          print(exceptionToStringShort(__e));
        }
      return or(title, "?");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String getSnippetTitle(long id) {
    return getSnippetTitle(fsI(id));
  }

  public static Method findMethod_cached(Object o, String method, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        _MethodCache cache = callOpt_getCache(((Class) o));
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          for (Method m : methods) if (isStaticMethod(m) && findMethod_checkArgs(m, args, false))
            return m;
        return null;
      } else {
        _MethodCache cache = callOpt_getCache(o.getClass());
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          for (Method m : methods) if (findMethod_checkArgs(m, args, false))
            return m;
        return null;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<String> tok_combineCurlyBrackets_keep(List<String> tok) {
    List<String> l = new ArrayList();
    for (int i = 0; i < l(tok); i++) {
      String t = tok.get(i);
      if (odd(i) && eq(t, "{")) {
        int j = findEndOfCurlyBracketPart(tok, i);
        l.add(joinSubList(tok, i, j));
        i = j - 1;
      } else
        l.add(t);
    }
    return l;
  }

  public static boolean startsWithAndEndsWith(String s, String prefix, String suffix) {
    return startsWith(s, prefix) && endsWith(s, suffix);
  }

  public static <A> List<A> dropFirstThreeAndLastThree(List<A> l) {
    return dropFirstAndLast(3, l);
  }

  public static boolean endsWith(String a, String b) {
    return a != null && a.endsWith(b);
  }

  public static boolean endsWith(String a, char c) {
    return nempty(a) && lastChar(a) == c;
  }

  public static boolean endsWith(String a, String b, Matches m) {
    if (!endsWith(a, b))
      return false;
    m.m = new String[] { dropLast(l(b), a) };
    return true;
  }

  public static boolean matchStartX(String pat, String s, Matches matches) {
    return matchStart(dropSuffix("...", pat), s, matches);
  }

  public static boolean matchEndX(String pat, String s, Matches matches) {
    return matchEnd(dropPrefix("...", pat), s, matches);
  }

  public static Producer<String> javaTokC_noMLS_iterator(final String s) {
    return javaTokC_noMLS_iterator(s, 0);
  }

  public static Producer<String> javaTokC_noMLS_iterator(final String s, final int startIndex) {
    return new Producer<String>() {

      public final int l = s.length();

      public int i = startIndex;

      public String next() {
        if (i >= l)
          return null;
        int j = i;
        char c, d;
        while (j < l) {
          c = s.charAt(j);
          d = j + 1 >= l ? '\0' : s.charAt(j + 1);
          if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
            ++j;
          else if (c == '/' && d == '*') {
            do ++j; while (j < l && !s.substring(j, Math.min(j + 2, l)).equals("*/"));
            j = Math.min(j + 2, l);
          } else if (c == '/' && d == '/') {
            do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
          } else
            break;
        }
        i = j;
        if (i >= l)
          return null;
        c = s.charAt(i);
        d = i + 1 >= l ? '\0' : s.charAt(i + 1);
        if (c == '\'' || c == '"') {
          char opener = c;
          ++j;
          while (j < l) {
            if (s.charAt(j) == opener || s.charAt(j) == '\n') {
              ++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));
        else if (Character.isDigit(c)) {
          do ++j; while (j < l && Character.isDigit(s.charAt(j)));
          if (j < l && s.charAt(j) == 'L')
            ++j;
        } else
          ++j;
        String t = quickSubstring(s, i, j);
        i = j;
        return t;
      }
    };
  }

  public static Producer<String> javaTokC_noMLS_onReader(final BufferedReader r) {
    final class X implements Producer<String> {

      public StringBuilder buf = new StringBuilder();

      public char c, d, e = 'x';

      public X() {
        nc();
        nc();
        nc();
      }

      public void nc() {
        try {
          c = d;
          d = e;
          if (e == '\0')
            return;
          int i = r.read();
          e = i < 0 ? '\0' : i == '\0' ? '_' : (char) i;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public void ncSave() {
        if (c != '\0') {
          buf.append(c);
          nc();
        }
      }

      public String next() {
        while (c != '\0') {
          if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
            nc();
          else if (c == '/' && d == '*') {
            do nc(); while (c != '\0' && !(c == '*' && d == '/'));
            nc();
            nc();
          } else if (c == '/' && d == '/') {
            do nc(); while (c != '\0' && "\r\n".indexOf(c) < 0);
          } else
            break;
        }
        if (c == '\0')
          return null;
        if (c == '\'' || c == '"') {
          char opener = c;
          ncSave();
          while (c != '\0') {
            if (c == opener || c == '\n') {
              ncSave();
              break;
            } else if (c == '\\') {
              ncSave();
              ncSave();
            } else
              ncSave();
          }
        } else if (Character.isJavaIdentifierStart(c))
          do ncSave(); while (Character.isJavaIdentifierPart(c) || c == '\'');
        else if (Character.isDigit(c)) {
          do ncSave(); while (Character.isDigit(c));
          if (c == 'L')
            ncSave();
        } else
          ncSave();
        String t = buf.toString();
        buf.setLength(0);
        return t;
      }
    }
    return new X();
  }

  public static String unquoteUsingCharArray(String s, char[] buf) {
    if (s == null)
      return null;
    if (startsWith(s, '[')) {
      int i = 1;
      while (i < s.length() && s.charAt(i) == '=') ++i;
      if (i < s.length() && s.charAt(i) == '[') {
        String m = s.substring(1, i);
        if (s.endsWith("]" + m + "]"))
          return s.substring(i + 1, s.length() - i - 1);
      }
    }
    if (s.length() > 1) {
      char c = s.charAt(0);
      if (c == '\"' || c == '\'') {
        int l = endsWith(s, c) ? s.length() - 1 : s.length();
        if (l > buf.length)
          return unquote(s);
        int n = 0;
        for (int i = 1; i < l; i++) {
          char ch = s.charAt(i);
          if (ch == '\\') {
            char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
            if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') {
                code += s.charAt(i + 1);
                i++;
                if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') {
                  code += s.charAt(i + 1);
                  i++;
                }
              }
              buf[n++] = (char) Integer.parseInt(code, 8);
              continue;
            }
            switch(nextChar) {
              case '\"':
                ch = '\"';
                break;
              case '\\':
                ch = '\\';
                break;
              case 'b':
                ch = '\b';
                break;
              case 'f':
                ch = '\f';
                break;
              case 'n':
                ch = '\n';
                break;
              case 'r':
                ch = '\r';
                break;
              case 't':
                ch = '\t';
                break;
              case '\'':
                ch = '\'';
                break;
              case 'u':
                if (i >= l - 5) {
                  ch = 'u';
                  break;
                }
                int code = Integer.parseInt("" + s.charAt(i + 2) + s.charAt(i + 3) + s.charAt(i + 4) + s.charAt(i + 5), 16);
                char[] x = Character.toChars(code);
                int lx = x.length;
                for (int j = 0; j < lx; j++) buf[n++] = x[j];
                i += 5;
                continue;
              default:
                ch = nextChar;
            }
            i++;
          }
          buf[n++] = ch;
        }
        return new String(buf, 0, n);
      }
    }
    return s;
  }

  public static boolean structure_isMarker(String s, int i, int j) {
    if (i >= j)
      return false;
    if (s.charAt(i) != 'm')
      return false;
    ++i;
    while (i < j) {
      char c = s.charAt(i);
      if (c < '0' || c > '9')
        return false;
      ++i;
    }
    return true;
  }

  public static String internIfLongerThan(String s, int l) {
    return s == null ? null : l(s) >= l ? intern(s) : s;
  }

  public static String unquote(String s) {
    if (s == null)
      return null;
    if (startsWith(s, '[')) {
      int i = 1;
      while (i < s.length() && s.charAt(i) == '=') ++i;
      if (i < s.length() && s.charAt(i) == '[') {
        String m = s.substring(1, i);
        if (s.endsWith("]" + m + "]"))
          return s.substring(i + 1, s.length() - i - 1);
      }
    }
    if (s.length() > 1) {
      char c = s.charAt(0);
      if (c == '\"' || c == '\'') {
        int l = endsWith(s, c) ? s.length() - 1 : s.length();
        StringBuilder sb = new StringBuilder(l - 1);
        for (int i = 1; i < l; i++) {
          char ch = s.charAt(i);
          if (ch == '\\') {
            char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
            if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') {
                code += s.charAt(i + 1);
                i++;
                if ((i < l - 1) && s.charAt(i + 1) >= '0' && s.charAt(i + 1) <= '7') {
                  code += s.charAt(i + 1);
                  i++;
                }
              }
              sb.append((char) Integer.parseInt(code, 8));
              continue;
            }
            switch(nextChar) {
              case '\"':
                ch = '\"';
                break;
              case '\\':
                ch = '\\';
                break;
              case 'b':
                ch = '\b';
                break;
              case 'f':
                ch = '\f';
                break;
              case 'n':
                ch = '\n';
                break;
              case 'r':
                ch = '\r';
                break;
              case 't':
                ch = '\t';
                break;
              case '\'':
                ch = '\'';
                break;
              case 'u':
                if (i >= l - 5) {
                  ch = 'u';
                  break;
                }
                int code = Integer.parseInt("" + s.charAt(i + 2) + s.charAt(i + 3) + s.charAt(i + 4) + s.charAt(i + 5), 16);
                sb.append(Character.toChars(code));
                i += 5;
                continue;
              default:
                ch = nextChar;
            }
            i++;
          }
          sb.append(ch);
        }
        return sb.toString();
      }
    }
    return s;
  }

  public static char unquoteCharacter(String s) {
    assertTrue(s.startsWith("'") && s.length() > 1);
    return unquote("\"" + s.substring(1, s.endsWith("'") ? s.length() - 1 : s.length()) + "\"").charAt(0);
  }

  public static double parseDouble(String s) {
    return Double.parseDouble(s);
  }

  public static float parseFloat(String s) {
    return Float.parseFloat(s);
  }

  public static boolean isLongConstant(String s) {
    if (!s.endsWith("L"))
      return false;
    s = s.substring(0, l(s) - 1);
    return isInteger(s);
  }

  public static boolean isInteger(String s) {
    int n = l(s);
    if (n == 0)
      return false;
    int i = 0;
    if (s.charAt(0) == '-')
      if (++i >= n)
        return false;
    while (i < n) {
      char c = s.charAt(i);
      if (c < '0' || c > '9')
        return false;
      ++i;
    }
    return true;
  }

  public static SortedMap synchronizedTreeMap() {
    return synchroTreeMap();
  }

  public static List parseList(String s) {
    return (List) safeUnstructure(s);
  }

  public static Map synchronizedMap() {
    return synchroMap();
  }

  public static <A, B> Map<A, B> synchronizedMap(Map<A, B> map) {
    return synchroMap(map);
  }

  public static boolean[] boolArrayFromBytes(byte[] a, int n) {
    boolean[] b = new boolean[n];
    int m = min(n, l(a) * 8);
    for (int i = 0; i < m; i++) b[i] = (a[i / 8] & 1 << (i & 7)) != 0;
    return b;
  }

  public static <A> A nuStubInnerObject(Class<A> c) {
    return nuStubInnerObject(c, null);
  }

  public static <A> A nuStubInnerObject(Class<A> c, Object classFinder) {
    try {
      Class outerType = getOuterClass(c, classFinder);
      Constructor m = c.getDeclaredConstructor(outerType);
      m.setAccessible(true);
      return (A) m.newInstance(new Object[] { null });
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map<Class, Constructor> nuEmptyObject_cache = newDangerousWeakHashMap();

  public static <A> A nuEmptyObject(Class<A> c) {
    try {
      Constructor ctr;
      synchronized (nuEmptyObject_cache) {
        ctr = nuEmptyObject_cache.get(c);
        if (ctr == null) {
          nuEmptyObject_cache.put(c, ctr = nuEmptyObject_findConstructor(c));
          ctr.setAccessible(true);
        }
      }
      try {
        return (A) ctr.newInstance();
      } catch (InstantiationException e) {
        if (empty(e.getMessage()))
          if ((c.getModifiers() & Modifier.ABSTRACT) != 0)
            throw fail("Can't instantiate abstract class " + className(c), e);
          else
            throw fail("Can't instantiate " + className(c), e);
        else
          throw rethrow(e);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Constructor nuEmptyObject_findConstructor(Class c) {
    for (Constructor m : c.getDeclaredConstructors()) if (m.getParameterTypes().length == 0)
      return m;
    throw fail("No default constructor declared in " + c.getName());
  }

  public static HashMap<String, Class> findClass_cache = new HashMap();

  public 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;
    }
  }

  public static void setOptAllDyn(DynamicObject o, Map<String, Object> fields) {
    if (fields == null)
      return;
    HashMap<String, Field> fieldMap = instanceFieldsMap(o);
    for (Map.Entry<String, Object> e : fields.entrySet()) {
      String field = e.getKey();
      Object val = e.getValue();
      boolean has = fieldMap.containsKey(field);
      if (has)
        setOpt(o, field, val);
      else {
        o.fieldValues.put(intern(field), val);
      }
    }
  }

  public static void setOptAll_pcall(Object o, Map<String, Object> fields) {
    if (fields == null)
      return;
    for (String field : keys(fields)) try {
      setOpt(o, field, fields.get(field));
    } catch (Throwable __e) {
      print(exceptionToStringShort(__e));
    }
  }

  public static void setOptAll_pcall(Object o, Object... values) {
    warnIfOddCount(values);
    for (int i = 0; i + 1 < l(values); i += 2) {
      String field = (String) values[i];
      Object value = values[i + 1];
      try {
        setOpt(o, field, value);
      } catch (Throwable __e) {
        print(exceptionToStringShort(__e));
      }
    }
  }

  public static String intern(String s) {
    return fastIntern(s);
  }

  public static void pcallOpt_noArgs(Object o, String method) {
    try {
      callOpt_noArgs(o, method);
    } catch (Throwable __e) {
      _handleException(__e);
    }
  }

  public static <A> List<A> subList(List<A> l, int startIndex) {
    return subList(l, startIndex, l(l));
  }

  public static <A> List<A> subList(List<A> l, int startIndex, int endIndex) {
    if (l == null)
      return null;
    startIndex = Math.max(0, startIndex);
    endIndex = Math.min(l(l), endIndex);
    if (startIndex >= endIndex)
      return ll();
    return l.subList(startIndex, endIndex);
  }

  public static int[] toIntArray(List<Integer> l) {
    int[] a = new int[l(l)];
    for (int i = 0; i < a.length; i++) a[i] = l.get(i);
    return a;
  }

  public static TreeSet<String> ciSet() {
    return caseInsensitiveSet();
  }

  public static boolean jmatch(String pat, String s) {
    return jmatch(pat, s, null);
  }

  public static boolean jmatch(String pat, String s, Matches matches) {
    if (s == null)
      return false;
    return jmatch(pat, javaTok(s), matches);
  }

  public static boolean jmatch(String pat, List<String> toks) {
    return jmatch(pat, toks, null);
  }

  public static boolean jmatch(String pat, List<String> toks, Matches matches) {
    List<String> tokpat = javaTok(pat);
    String[] m = match2(tokpat, toks);
    if (m == null)
      return false;
    else {
      if (matches != null)
        matches.m = m;
      return true;
    }
  }

  public static boolean warn_on = true;

  public static void warn(String s) {
    if (warn_on)
      print("Warning: " + s);
  }

  public static void warn(String s, List<String> warnings) {
    warn(s);
    if (warnings != null)
      warnings.add(s);
  }

  public static List<String> codeTokensOnly(List<String> tok) {
    List<String> l = new ArrayList();
    for (int i = 1; i < tok.size(); i += 2) l.add(tok.get(i));
    return l;
  }

  public static String structureForUser(Object o) {
    return beautifyStructure(struct_noStringSharing(o));
  }

  public static boolean isCISet(Iterable<String> l) {
    return l instanceof TreeSet && ((TreeSet) l).comparator() == caseInsensitiveComparator();
  }

  public static TreeSet<String> caseInsensitiveSet() {
    return new TreeSet(caseInsensitiveComparator());
  }

  public static TreeSet<String> caseInsensitiveSet(Collection<String> c) {
    return toCaseInsensitiveSet(c);
  }

  public static <A, B extends A> void addAll(Collection<A> c, Iterable<B> b) {
    if (c != null && b != null)
      for (A a : b) c.add(a);
  }

  public static <A, B extends A> boolean addAll(Collection<A> c, Collection<B> b) {
    return c != null && b != null && c.addAll(b);
  }

  public static <A, B extends A> boolean addAll(Collection<A> c, B... b) {
    return c != null && c.addAll(Arrays.asList(b));
  }

  public static <A> List<A> uniquifyList(Collection<A> l) {
    if (l == null)
      return null;
    if (l(l) < 2)
      return asList(l);
    HashSet<A> set = new HashSet();
    List<A> out = new ArrayList();
    for (A a : l) if (set.add(a))
      out.add(a);
    return out;
  }

  public static File loadLibrary(String snippetID) {
    return loadBinarySnippet(snippetID);
  }

  public static Set vm_generalWeakSet(Object name) {
    synchronized (get(javax(), "generalMap")) {
      Set set = (Set) (vm_generalMap_get(name));
      if (set == null)
        vm_generalMap_put(name, set = newWeakHashSet());
      return set;
    }
  }

  public static boolean substanceLookAndFeelEnabled() {
    return startsWith(getLookAndFeel(), "org.pushingpixels.");
  }

  public static JComponent getTitlePaneComponent(RootPaneContainer window) {
    if (window instanceof JInternalFrame)
      return getInternalFrameTitlePaneComponent((JInternalFrame) window);
    if (!substanceLookAndFeelEnabled() || window == null)
      return null;
    JRootPane rootPane = window.getRootPane();
    if (rootPane != null) {
      Object ui = rootPane.getUI();
      return (JComponent) call(ui, "getTitlePane");
    }
    return null;
  }

  public static RootPaneContainer getPossiblyInternalFrame(Component c) {
    JInternalFrame f = getInternalFrame(c);
    if (f != null)
      return f;
    return optCast(RootPaneContainer.class, getWindow(c));
  }

  public static boolean isChecked(final JCheckBox checkBox) {
    return checkBox != null && (boolean) swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          return checkBox.isSelected();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret checkBox.isSelected();";
      }
    });
  }

  public static boolean isChecked(final JCheckBoxMenuItem mi) {
    return mi != null && (boolean) swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          return mi.isSelected();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret mi.isSelected();";
      }
    });
  }

  public static Class hotwireOnce(String programID) {
    return hotwireCached(programID, false);
  }

  public static <A> A listGet(List<A> l, int idx) {
    return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
  }

  public static Map<Component, String> componentID_map = weakHashMap();

  public static String componentID(Component c) {
    return c == null ? null : componentID_map.get(c);
  }

  public static JDesktopPane mainDesktopPane_value;

  public static JDesktopPane mainDesktopPane() {
    return mainDesktopPane_value;
  }

  public static JPanel showInternalFrameFormTitled(final JDesktopPane desktop, final String title, final Object... _parts) {
    JPanel panel = showForm_makePanel(true, _parts);
    showForm_makeInternalFrame(desktop, title, panel);
    return panel;
  }

  public static boolean isQuoted(String s) {
    if (isNormalQuoted(s))
      return true;
    return isMultilineQuoted(s);
  }

  public static String[] toStringArray(Collection<String> c) {
    String[] a = new String[l(c)];
    Iterator<String> it = c.iterator();
    for (int i = 0; i < l(a); i++) a[i] = it.next();
    return a;
  }

  public static String[] toStringArray(Object o) {
    if (o instanceof String[])
      return (String[]) o;
    else if (o instanceof Collection)
      return toStringArray((Collection<String>) o);
    else
      throw fail("Not a collection or array: " + getClassName(o));
  }

  public static <A> List<A> replaceSublist(List<A> l, List<A> x, List<A> y) {
    if (x == null)
      return l;
    int i = 0;
    while (true) {
      i = indexOfSubList(l, x, i);
      if (i < 0)
        break;
      removeSubList(l, i, i + l(x));
      l.addAll(i, y);
      i += l(y);
    }
    return l;
  }

  public static <A> List<A> replaceSublist(List<A> l, int fromIndex, int toIndex, List<A> y) {
    removeSubList(l, fromIndex, toIndex);
    l.addAll(fromIndex, y);
    return l;
  }

  public static <A> A liftLast(List<A> l) {
    if (l.isEmpty())
      return null;
    int i = l(l) - 1;
    A a = l.get(i);
    l.remove(i);
    return a;
  }

  public static File mkdirsForFile(File file) {
    File dir = file.getParentFile();
    if (dir != null) {
      dir.mkdirs();
      if (!dir.isDirectory())
        if (dir.isFile())
          throw fail("Please delete the file " + f2s(dir) + " - it is supposed to be a directory!");
        else
          throw fail("Unknown IO exception during mkdirs of " + f2s(file));
    }
    return file;
  }

  public static String mkdirsForFile(String path) {
    mkdirsForFile(new File(path));
    return path;
  }

  public static String loadTextFile(String fileName) {
    return loadTextFile(fileName, null);
  }

  public static String loadTextFile(File f, String defaultContents) {
    try {
      checkFileNotTooBigToRead(f);
      if (f == null || !f.exists())
        return defaultContents;
      FileInputStream fileInputStream = new FileInputStream(f);
      InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8");
      return loadTextFile(inputStreamReader);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadTextFile(File fileName) {
    return loadTextFile(fileName, null);
  }

  public static String loadTextFile(String fileName, String defaultContents) {
    return fileName == null ? defaultContents : loadTextFile(newFile(fileName), 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 str(builder);
  }

  public static File muricaPasswordFile() {
    return new File(javaxSecretDir(), "murica/muricaPasswordFile");
  }

  public static volatile boolean disableCertificateValidation_attempted;

  public static void disableCertificateValidation() {
    try {
      if (disableCertificateValidation_attempted)
        return;
      disableCertificateValidation_attempted = true;
      try {
        TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {

          public X509Certificate[] getAcceptedIssuers() {
            return new X509Certificate[0];
          }

          public void checkClientTrusted(X509Certificate[] certs, String authType) {
          }

          public void checkServerTrusted(X509Certificate[] certs, String authType) {
          }
        } };
        HostnameVerifier hv = new HostnameVerifier() {

          public boolean verify(String hostname, SSLSession session) {
            return true;
          }
        };
        SSLContext sc = SSLContext.getInstance("SSL");
        sc.init(null, trustAllCerts, new SecureRandom());
        HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
        HttpsURLConnection.setDefaultHostnameVerifier(hv);
      } catch (Throwable __e) {
        _handleException(__e);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean networkAllowanceTest(String url) {
    return isAllowed("networkAllowanceTest", url);
  }

  public static final boolean loadPageThroughProxy_enabled = false;

  public static String loadPageThroughProxy(String url) {
    return null;
  }

  public static void sleepSeconds(double s) {
    if (s > 0)
      sleep(round(s * 1000));
  }

  public static String tb_mainServer_default = "http://tinybrain.de:8080";

  public static Object tb_mainServer_override;

  public static String tb_mainServer() {
    if (tb_mainServer_override != null)
      return (String) callF(tb_mainServer_override);
    return trim(loadTextFile(tb_mainServer_file(), tb_mainServer_default));
  }

  public static File tb_mainServer_file() {
    return getProgramFile("#1001638", "mainserver.txt");
  }

  public static boolean tb_mainServer_isDefault() {
    return eq(tb_mainServer(), tb_mainServer_default);
  }

  public static <A> A printWithTime(A a) {
    print(hmsWithColons() + ": " + a);
    return a;
  }

  public static Map vm_generalSubMap(Object name) {
    synchronized (get(javax(), "generalMap")) {
      Map map = (Map) (vm_generalMap_get(name));
      if (map == null)
        vm_generalMap_put(name, map = synchroMap());
      return map;
    }
  }

  public static String toHex(byte[] bytes) {
    return bytesToHex(bytes);
  }

  public static String toHex(byte[] bytes, int ofs, int len) {
    return bytesToHex(bytes, ofs, len);
  }

  public static byte[] utf8(String s) {
    return toUtf8(s);
  }

  public static Matcher regexpMatcher(String pat, String s) {
    return compileRegexp(pat).matcher(unnull(s));
  }

  public static URLConnection setURLConnectionTimeouts(URLConnection con, long timeout) {
    con.setConnectTimeout(toInt(timeout));
    con.setReadTimeout(toInt(timeout));
    if (con.getConnectTimeout() != timeout || con.getReadTimeout() != timeout)
      print("Warning: Timeouts not set by JDK.");
    return con;
  }

  public static URLConnection setURLConnectionDefaultTimeouts(URLConnection con, long timeout) {
    if (con.getConnectTimeout() == 0) {
      con.setConnectTimeout(toInt(timeout));
      if (con.getConnectTimeout() != timeout)
        print("Warning: URL connect timeout not set by JDK.");
    }
    if (con.getReadTimeout() == 0) {
      con.setReadTimeout(toInt(timeout));
      if (con.getReadTimeout() != timeout)
        print("Warning: URL read timeout not set by JDK.");
    }
    return con;
  }

  public static String getComputerID_quick() {
    return computerID();
  }

  public static int roundDownTo(int x, int n) {
    return x / n * n;
  }

  public static long roundDownTo(long x, long n) {
    return x / n * n;
  }

  public static int shorten_default = 100;

  public static String shorten(String s) {
    return shorten(s, shorten_default);
  }

  public static String shorten(String s, int max) {
    return shorten(s, max, "...");
  }

  public static String shorten(String s, int max, String shortener) {
    if (s == null)
      return "";
    if (max < 0)
      return s;
    return s.length() <= max ? s : substring(s, 0, min(s.length(), max - l(shortener))) + shortener;
  }

  public static String shorten(int max, String s) {
    return shorten(s, max);
  }

  public static int parseHexChar(char c) {
    if (c >= '0' && c <= '9')
      return charDiff(c, '0');
    if (c >= 'a' && c <= 'f')
      return charDiff(c, 'a') + 10;
    if (c >= 'A' && c <= 'F')
      return charDiff(c, 'A') + 10;
    return -1;
  }

  public static int min(int a, int b) {
    return Math.min(a, b);
  }

  public static long min(long a, long b) {
    return Math.min(a, b);
  }

  public static float min(float a, float b) {
    return Math.min(a, b);
  }

  public static float min(float a, float b, float c) {
    return min(min(a, b), c);
  }

  public static double min(double a, double b) {
    return Math.min(a, b);
  }

  public static double min(double[] c) {
    double x = Double.MAX_VALUE;
    for (double d : c) x = Math.min(x, d);
    return x;
  }

  public static float min(float[] c) {
    float x = Float.MAX_VALUE;
    for (float d : c) x = Math.min(x, d);
    return x;
  }

  public static byte min(byte[] c) {
    byte x = 127;
    for (byte d : c) if (d < x)
      x = d;
    return x;
  }

  public static short min(short[] c) {
    short x = 0x7FFF;
    for (short d : c) if (d < x)
      x = d;
    return x;
  }

  public static int min(int[] c) {
    int x = Integer.MAX_VALUE;
    for (int d : c) if (d < x)
      x = d;
    return x;
  }

  public static int cmp(Number a, Number b) {
    return a == null ? b == null ? 0 : -1 : cmp(a.doubleValue(), b.doubleValue());
  }

  public static int cmp(double a, double b) {
    return a < b ? -1 : a == b ? 0 : 1;
  }

  public 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);
  }

  public static HashMap<Set<String>, Class> loadFunctions_cache = new HashMap();

  public static Lock loadFunctions_cached_lock = lock();

  public static boolean loadFunctions_preferDiskCache;

  public static Class loadFunctions_cached(String... functions) {
    return loadFunctions_cached(asList(functions));
  }

  public static Class loadFunctions_cached(Collection<String> functions) {
    TreeSet<String> functionSet = new TreeSet<String>(functions);
    Lock __1047 = loadFunctions_cached_lock;
    lock(__1047);
    try {
      Class c = loadFunctions_cache.get(functionSet);
      if (c != null)
        return c;
      String cached = getTranspiledStandardFunctionsIfCached(functionSet);
      String transpilation = null;
      if (cached != null && (loadFunctions_preferDiskCache || standardFunctionsCacheUpToDate(functionSet)))
        transpilation = cached;
      if (transpilation != null) {
        print("Loading " + joinWithPlus(functionSet));
        c = veryQuickJava_finish(transpilation, emptyList());
      }
      if (c == null)
        c = loadFunctions(functionSet);
      loadFunctions_cache.put(functionSet, c);
      assertNotNull(loadFunctions_cache.get(functionSet));
      return c;
    } finally {
      unlock(__1047);
    }
  }

  public static boolean preciseCall_debug;

  public static Object preciseCall(Object o, String method, Object... args) {
    try {
      if (o instanceof Class) {
        _MethodCache cache = callOpt_getCache(((Class) o));
        List<Method> methods = cache.cache.get(method);
        Lowest<Method> best = new Lowest();
        if (methods != null)
          for (Method m : methods) {
            {
              if (!(isStaticMethod(m)))
                continue;
            }
            int score = methodApplicabilityScore(m, args);
            if (score < Integer.MAX_VALUE) {
              if (preciseCall_debug)
                print("Method score: " + m + " " + score);
              best.put(m, score);
            }
          }
        Method m = best.get();
        if (m == null)
          throw fail("No suitable method found: " + methodSignature(method, args));
        return invokeMethod(m, null, args);
      } else
        throw todo();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static betterCIComparator_C betterCIComparator_instance;

  public static betterCIComparator_C betterCIComparator() {
    if (betterCIComparator_instance == null)
      betterCIComparator_instance = new betterCIComparator_C();
    return betterCIComparator_instance;
  }

  public static class betterCIComparator_C implements Comparator<String> {

    public int compare(String s1, String s2) {
      if (s1 == null)
        return s2 == null ? 0 : -1;
      if (s2 == null)
        return 1;
      int n1 = s1.length();
      int n2 = s2.length();
      int min = Math.min(n1, n2);
      for (int i = 0; i < min; i++) {
        char c1 = s1.charAt(i);
        char c2 = s2.charAt(i);
        if (c1 != c2) {
          c1 = Character.toUpperCase(c1);
          c2 = Character.toUpperCase(c2);
          if (c1 != c2) {
            c1 = Character.toLowerCase(c1);
            c2 = Character.toLowerCase(c2);
            if (c1 != c2) {
              return c1 - c2;
            }
          }
        }
      }
      return n1 - n2;
    }
  }

  public static <A> int indexOfSubList(List<A> x, List<A> y) {
    return indexOfSubList(x, y, 0);
  }

  public static <A> int indexOfSubList(List<A> x, List<A> y, int i) {
    outer: for (; i + l(y) <= l(x); i++) {
      for (int j = 0; j < l(y); j++) if (neq(x.get(i + j), y.get(j)))
        continue outer;
      return i;
    }
    return -1;
  }

  public static <A> int indexOfSubList(List<A> x, A[] y, int i) {
    outer: for (; i + l(y) <= l(x); i++) {
      for (int j = 0; j < l(y); j++) if (neq(x.get(i + j), y[j]))
        continue outer;
      return i;
    }
    return -1;
  }

  public static <A> List<A> newSubList(List<A> l, int startIndex, int endIndex) {
    return cloneList(subList(l, startIndex, endIndex));
  }

  public static <A> List<A> newSubList(List<A> l, int startIndex) {
    return cloneList(subList(l, startIndex));
  }

  public static <A> boolean canPutStrictlyIC(Map<A, String> map, A key, String value) {
    if (!(map != null && key != null && value != null))
      return true;
    String old = map.get(key);
    return old == null || eqic(old, value);
  }

  public static String asString(Object o) {
    return o == null ? null : o.toString();
  }

  public static Dimension getMinimumSize(final Component c) {
    return c == null ? null : swing(new F0<Dimension>() {

      public Dimension get() {
        try {
          return c.getMinimumSize();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ret c.getMinimumSize();";
      }
    });
  }

  public static <A extends Component> A jPreferWidth(int w, A c) {
    Dimension size = c.getPreferredSize();
    c.setPreferredSize(new Dimension(w, size.height));
    return c;
  }

  public static boolean containsSpace(String s) {
    return containsSpaces(s);
  }

  public static String firstToUpper(String s) {
    if (empty(s))
      return s;
    return Character.toUpperCase(s.charAt(0)) + s.substring(1);
  }

  public static String joinWithSpace(Collection<String> c) {
    return join(" ", c);
  }

  public static String joinWithSpace(String... c) {
    return join(" ", c);
  }

  public static <A> List<A> replaceElementsUsingMap(Iterable<A> l, final Map<A, A> map) {
    return map(l, new F1<A, A>() {

      public A get(A a) {
        try {
          return getOrKeep(map, a);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "getOrKeep(map, a)";
      }
    });
  }

  public static List<String> splitCamelCase(String s) {
    return ai_splitCamelCase(s);
  }

  public static List<Component> allChildren(Component c) {
    return childrenOfType(c, Component.class);
  }

  public static void onEnterIfTextField(Component c, Object action) {
    if (action == null)
      return;
    if (c instanceof JTextField)
      onEnter((JTextField) c, action);
    else if (c instanceof JComboBox)
      onEnter((JComboBox) c, action);
  }

  public static int packFrame_minw = 150, packFrame_minh = 50;

  public static <A extends Component> A packFrame(final A c) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            Window w = getWindow(c);
            if (w != null) {
              w.pack();
              int maxW = getScreenWidth() - 50, maxH = getScreenHeight() - 50;
              w.setSize(min(maxW, max(w.getWidth(), packFrame_minw)), min(maxH, max(w.getHeight(), packFrame_minh)));
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "Window w = getWindow(c);\r\n    if (w != null) {\r\n      w.pack();\r\n      int ma...";
        }
      });
    }
    return c;
  }

  public static JFrame packFrame(ButtonGroup g) {
    return packFrame(getFrame(g));
  }

  public static JFrame showFrame() {
    return makeFrame();
  }

  public static JFrame showFrame(Object content) {
    return makeFrame(content);
  }

  public static JFrame showFrame(String title) {
    return makeFrame(title);
  }

  public static JFrame showFrame(String title, Object content) {
    return makeFrame(title, content);
  }

  public static JFrame showFrame(final JFrame f) {
    if (f != null) {
      swing(new Runnable() {

        public void run() {
          try {
            if (frameTooSmall(f))
              frameStandardSize(f);
            if (!f.isVisible())
              f.setVisible(true);
            if (f.getState() == Frame.ICONIFIED)
              f.setState(Frame.NORMAL);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (frameTooSmall(f)) frameStandardSize(f);\r\n    if (!f.isVisible()) f.setVis...";
        }
      });
    }
    return f;
  }

  public static JFrame showFrame(String title, Object content, JFrame frame) {
    if (frame == null)
      return showFrame(title, content);
    else {
      frame.setTitle(title);
      setFrameContents(frame, content);
      return frame;
    }
  }

  public static Object pcallFAll_returnFirstNotNull(Collection l, Object... args) {
    if (l != null)
      for (Object f : cloneList(l)) {
        Object __816 = pcallF(f, args);
        if (__816 != null)
          return __816;
      }
    return null;
  }

  public static Object pcallFAll_returnFirstNotNull(Iterator it, Object... args) {
    while (it.hasNext()) {
      Object __820 = pcallF(it.next(), args);
      if (__820 != null)
        return __820;
    }
    return null;
  }

  public static String assertIsIdentifier(String s) {
    if (!isIdentifier(s))
      throw fail("Not an identifier: " + quote(s));
    return s;
  }

  public static WeakReference<Object> creator_class;

  public static Object creator() {
    return creator_class == null ? null : creator_class.get();
  }

  public static File getProgramFile(String progID, String fileName) {
    if (new File(fileName).isAbsolute())
      return new File(fileName);
    return new File(getProgramDir(progID), fileName);
  }

  public static File getProgramFile(String fileName) {
    return getProgramFile(getProgramID(), fileName);
  }

  public static Lock appendToFile_lock = lock();

  public static boolean appendToFile_keepOpen;

  public static HashMap<String, Writer> appendToFile_writers = new HashMap();

  public static void appendToFile(String path, String s) {
    try {
      Lock __1326 = appendToFile_lock;
      lock(__1326);
      try {
        mkdirsForFile(new File(path));
        path = getCanonicalPath(path);
        Writer writer = appendToFile_writers.get(path);
        if (writer == null) {
          writer = new BufferedWriter(new OutputStreamWriter(newFileOutputStream(path, true), "UTF-8"));
          if (appendToFile_keepOpen)
            appendToFile_writers.put(path, writer);
        }
        writer.write(s);
        if (!appendToFile_keepOpen)
          writer.close();
      } finally {
        unlock(__1326);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void appendToFile(File path, String s) {
    if (path != null)
      appendToFile(path.getPath(), s);
  }

  public static void cleanMeUp_appendToFile() {
    AutoCloseable __1329 = tempCleaningUp();
    try {
      Lock __1327 = appendToFile_lock;
      lock(__1327);
      try {
        closeAllWriters(values(appendToFile_writers));
        appendToFile_writers.clear();
      } finally {
        unlock(__1327);
      }
    } finally {
      _close(__1329);
    }
  }

  public static File userDir() {
    return new File(userHome());
  }

  public static File userDir(String path) {
    return new File(userHome(), path);
  }

  public static boolean isLocalSnippetID(String snippetID) {
    return isSnippetID(snippetID) && isLocalSnippetID(psI(snippetID));
  }

  public static boolean isLocalSnippetID(long snippetID) {
    return snippetID >= 1000 && snippetID <= 9999;
  }

  public static String localSnippetTitle(String snippetID) {
    if (!isLocalSnippetID(snippetID))
      return null;
    File f = localSnippetFile(snippetID);
    if (!f.exists())
      return null;
    return or2(getFileInfoField(dropExtension(f), "Title"), "Unnamed");
  }

  public static boolean isImageServerSnippet(long id) {
    return id >= 1100000 && id < 1200000;
  }

  public static String muricaCredentialsQuery() {
    return htmlQuery(muricaCredentials());
  }

  public static boolean isGeneralFileServerSnippet(long id) {
    return id >= 1400000 && id < 1500000;
  }

  public static String standardCredentials_noCookies() {
    return standardCredentials() + "&noCookies=1";
  }

  public static boolean saveTextFileIfChanged(File f, String contents) {
    return saveTextFileIfDifferent(f, contents);
  }

  public static File snippetTitle_cacheFile(String snippetID) {
    return javaxCachesDir("Snippet Titles/" + psI(snippetID));
  }

  public static final Map<Class, _MethodCache> callOpt_cache = newDangerousWeakHashMap();

  public static Object callOpt_cached(Object o, String methodName, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        Class c = (Class) o;
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(methodName, args);
        if (me == null || (me.getModifiers() & Modifier.STATIC) == 0)
          return null;
        return invokeMethod(me, null, args);
      } else {
        Class c = o.getClass();
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(methodName, args);
        if (me == null)
          return null;
        return invokeMethod(me, o, args);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static _MethodCache callOpt_getCache(Class c) {
    synchronized (callOpt_cache) {
      _MethodCache cache = callOpt_cache.get(c);
      if (cache == null)
        callOpt_cache.put(c, cache = new _MethodCache(c));
      return cache;
    }
  }

  public static boolean isStaticMethod(Method m) {
    return methodIsStatic(m);
  }

  public static Method findMethod(Object o, String method, Object... args) {
    return findMethod_cached(o, method, args);
  }

  public static boolean findMethod_checkArgs(Method m, Object[] args, boolean debug) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length) {
      if (debug)
        System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
      if (debug)
        System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
      return false;
    }
    return true;
  }

  public static int findEndOfCurlyBracketPart(List<String> cnc, int i) {
    int j = i + 2, level = 1;
    while (j < cnc.size()) {
      if (eq(cnc.get(j), "{"))
        ++level;
      else if (eq(cnc.get(j), "}"))
        --level;
      if (level == 0)
        return j + 1;
      ++j;
    }
    return cnc.size();
  }

  public static <A> List<A> dropFirstAndLast(int n, List<A> l) {
    return new ArrayList(subList(l, n, l(l) - n));
  }

  public static <A> List<A> dropFirstAndLast(List<A> l) {
    return dropFirstAndLast(1, l);
  }

  public static String dropFirstAndLast(String s) {
    return substring(s, 1, l(s) - 1);
  }

  public static boolean matchStart(String pat, String s) {
    return matchStart(pat, s, null);
  }

  public static boolean matchStart(String pat, String s, Matches matches) {
    if (s == null)
      return false;
    return matchStart(pat, parse3_cachedInput(s), matches);
  }

  public static boolean matchStart(String pat, List<String> toks, Matches matches) {
    if (toks == null)
      return false;
    List<String> tokpat = parse3_cachedPattern(pat);
    if (toks.size() < tokpat.size())
      return false;
    String[] m = match2(tokpat, toks.subList(0, tokpat.size()));
    if (m == null)
      return false;
    if (matches != null) {
      matches.m = new String[m.length + 1];
      arraycopy(m, matches.m);
      matches.m[m.length] = join(toks.subList(tokpat.size(), toks.size()));
    }
    return true;
  }

  public static boolean matchEnd(String pat, String s) {
    return matchEnd(pat, s, null);
  }

  public static boolean matchEnd(String pat, String s, Matches matches) {
    if (s == null)
      return false;
    List<String> tokpat = parse3(pat), toks = parse3(s);
    if (toks.size() < tokpat.size())
      return false;
    String[] m = match2(tokpat, takeLast(l(tokpat), toks));
    if (m == null)
      return false;
    if (matches != null) {
      matches.m = new String[m.length + 1];
      arraycopy(m, matches.m);
      matches.m[m.length] = join(dropLast(l(tokpat), toks));
    }
    return true;
  }

  public static String quickSubstring(String s, int i, int j) {
    if (i == j)
      return "";
    return s.substring(i, j);
  }

  public static NavigableMap synchroTreeMap() {
    return Collections.synchronizedNavigableMap(new TreeMap());
  }

  public static Object safeUnstructure(String s) {
    return unstructure(s, true);
  }

  public static Class getOuterClass(Class c) {
    return getOuterClass(c, null);
  }

  public static Class getOuterClass(Class c, Object classFinder) {
    try {
      String s = c.getName();
      int i = s.lastIndexOf('$');
      String name = substring(s, 0, i);
      if (classFinder != null)
        return (Class) callF(classFinder, name);
      return Class.forName(name);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static HashMap<String, Field> instanceFieldsMap(Object o) {
    Class c = o.getClass();
    HashMap<String, Field> map;
    synchronized (getOpt_cache) {
      map = getOpt_cache.get(c);
      if (map == null)
        map = getOpt_makeCache(c);
    }
    return map;
  }

  public static void warnIfOddCount(Object... list) {
    if (odd(l(list)))
      printStackTrace("Odd list size: " + list);
  }

  public static Method fastIntern_method;

  public static String fastIntern(String s) {
    try {
      if (s == null)
        return null;
      if (fastIntern_method == null) {
        fastIntern_method = findMethodNamed(javax(), "internPerProgram");
        if (fastIntern_method == null)
          upgradeJavaXAndRestart();
      }
      return (String) fastIntern_method.invoke(null, s);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map<Class, HashMap<String, Method>> callOpt_noArgs_cache = newDangerousWeakHashMap();

  public static Object callOpt_noArgs(Object o, String method) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class)
        return callOpt(o, method);
      Class c = o.getClass();
      HashMap<String, Method> map;
      synchronized (callOpt_noArgs_cache) {
        map = callOpt_noArgs_cache.get(c);
        if (map == null)
          map = callOpt_noArgs_makeCache(c);
      }
      Method m = map.get(method);
      return m != null ? m.invoke(o) : null;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static HashMap<String, Method> callOpt_noArgs_makeCache(Class c) {
    HashMap<String, Method> map = new HashMap();
    Class _c = c;
    do {
      for (Method m : c.getDeclaredMethods()) if (m.getParameterTypes().length == 0) {
        m.setAccessible(true);
        String name = m.getName();
        if (!map.containsKey(name))
          map.put(name, m);
      }
      _c = _c.getSuperclass();
    } while (_c != null);
    callOpt_noArgs_cache.put(c, map);
    return map;
  }

  public static String[] match2(List<String> pat, List<String> tok) {
    int i = pat.indexOf("...");
    if (i < 0)
      return match2_match(pat, tok);
    pat = new ArrayList<String>(pat);
    pat.set(i, "*");
    while (pat.size() < tok.size()) {
      pat.add(i, "*");
      pat.add(i + 1, "");
    }
    return match2_match(pat, tok);
  }

  public static String[] match2_match(List<String> pat, List<String> tok) {
    List<String> result = new ArrayList<String>();
    if (pat.size() != tok.size()) {
      return null;
    }
    for (int i = 1; i < pat.size(); i += 2) {
      String p = pat.get(i), t = tok.get(i);
      if (eq(p, "*"))
        result.add(t);
      else if (!equalsIgnoreCase(unquote(p), unquote(t)))
        return null;
    }
    return result.toArray(new String[result.size()]);
  }

  public static String beautifyStructure(String s) {
    List<String> tok = javaTok(s);
    structure_addTokenMarkers(tok);
    jreplace(tok, "lhm", "");
    return join(tok);
  }

  public static String struct_noStringSharing(Object o) {
    structure_Data d = new structure_Data();
    d.noStringSharing = true;
    return structure(o, d);
  }

  public static Object vm_generalMap_put(Object key, Object value) {
    return mapPutOrRemove(vm_generalMap(), key, value);
  }

  public static <A> Set<A> newWeakHashSet() {
    return synchroWeakHashSet();
  }

  public static String getLookAndFeel() {
    return getClassName(UIManager.getLookAndFeel());
  }

  public static JComponent getInternalFrameTitlePaneComponent(JInternalFrame f) {
    return (JComponent) childWithClassNameEndingWith(f, "InternalFrameTitlePane");
  }

  public static <A> A optCast(Class<A> c, Object o) {
    return isInstance(c, o) ? (A) o : null;
  }

  public static TreeMap<String, Class> hotwireCached_cache = new TreeMap();

  public static Lock hotwireCached_lock = lock();

  public static Class hotwireCached(String programID) {
    return hotwireCached(programID, true);
  }

  public static Class hotwireCached(String programID, boolean runMain) {
    return hotwireCached(programID, runMain, false);
  }

  public static Class hotwireCached(String programID, boolean runMain, boolean dependent) {
    Lock __280 = hotwireCached_lock;
    lock(__280);
    try {
      programID = formatSnippetID(programID);
      Class c = hotwireCached_cache.get(programID);
      if (c == null) {
        c = hotwire(programID);
        if (dependent)
          makeDependent(c);
        if (runMain)
          callMain(c);
        hotwireCached_cache.put(programID, c);
      }
      return c;
    } finally {
      unlock(__280);
    }
  }

  public static class getOpt_Map extends WeakHashMap {

    public getOpt_Map() {
      if (getOpt_special == null)
        getOpt_special = new HashMap();
      clear();
    }

    public void clear() {
      super.clear();
      put(Class.class, getOpt_special);
      put(String.class, getOpt_special);
    }
  }

  public static final Map<Class, HashMap<String, Field>> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map()));

  public static HashMap getOpt_special;

  public static Object getOpt_cached(Object o, String field) {
    try {
      if (o == null)
        return null;
      Class c = o.getClass();
      HashMap<String, Field> 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 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 (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static HashMap<String, Field> getOpt_makeCache(Class c) {
    HashMap<String, Field> 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);
    }
    if (getOpt_cache != null)
      getOpt_cache.put(c, map);
    return map;
  }

  public static JInternalFrame showForm_makeInternalFrame(JDesktopPane desktop, String title, JPanel panel) {
    JInternalFrame f = addInternalFrame(desktop, title, withMargin(panel));
    minInternalFrameWidth(f, 400);
    packInternalFrameVertically(f);
    centerInternalFrame(f);
    return f;
  }

  public static boolean isNormalQuoted(String s) {
    int l = l(s);
    if (!(l >= 2 && s.charAt(0) == '"' && lastChar(s) == '"'))
      return false;
    int j = 1;
    while (j < l) if (s.charAt(j) == '"')
      return j == l - 1;
    else if (s.charAt(j) == '\\' && j + 1 < l)
      j += 2;
    else
      ++j;
    return false;
  }

  public static boolean isMultilineQuoted(String s) {
    if (!startsWith(s, "["))
      return false;
    int i = 1;
    while (i < s.length() && s.charAt(i) == '=') ++i;
    return i < s.length() && s.charAt(i) == '[';
  }

  public static void removeSubList(List l, int from, int to) {
    if (l != null)
      subList(l, from, to).clear();
  }

  public static void removeSubList(List l, int from) {
    if (l != null)
      subList(l, from).clear();
  }

  public static ThreadLocal<VF1<File>> checkFileNotTooBigToRead_tl = new ThreadLocal();

  public static void checkFileNotTooBigToRead(File f) {
    callF(checkFileNotTooBigToRead_tl.get(), f);
  }

  public static File javaxSecretDir_dir;

  public static File javaxSecretDir() {
    return javaxSecretDir_dir != null ? javaxSecretDir_dir : new File(userHome(), "JavaX-Secret");
  }

  public static File javaxSecretDir(String sub) {
    return newFile(javaxSecretDir(), sub);
  }

  public static volatile Object isAllowed_function;

  public static volatile boolean isAllowed_all = true;

  public static boolean isAllowed(String askingMethod, Object... args) {
    Object f = vm_generalMap_get("isAllowed_function");
    if (f != null && !isTrue(callF(f, askingMethod, args)))
      return false;
    return isAllowed_all || isTrue(callF(isAllowed_function, askingMethod, args));
  }

  public static long round(double d) {
    return Math.round(d);
  }

  public static String hmsWithColons() {
    return hmsWithColons(now());
  }

  public static String hmsWithColons(long time) {
    return new SimpleDateFormat("HH:mm:ss").format(time);
  }

  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();
  }

  public static byte[] toUtf8(String s) {
    try {
      return s.getBytes("UTF-8");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map<String, java.util.regex.Pattern> compileRegexp_cache = syncMRUCache(10);

  public static java.util.regex.Pattern compileRegexp(String pat) {
    java.util.regex.Pattern p = compileRegexp_cache.get(pat);
    if (p == null)
      compileRegexp_cache.put(pat, p = java.util.regex.Pattern.compile(pat));
    return p;
  }

  public static String _computerID;

  public static Lock computerID_lock = lock();

  public static String computerID() {
    if (_computerID == null) {
      Lock __1701 = computerID_lock;
      lock(__1701);
      try {
        if (_computerID != null)
          return _computerID;
        File file = computerIDFile();
        _computerID = loadTextFile(file.getPath());
        if (_computerID == null) {
          _computerID = loadTextFile(userDir(".tinybrain/computer-id"));
          if (_computerID == null)
            _computerID = makeRandomID(12, new SecureRandom());
          saveTextFile(file, _computerID);
        }
      } finally {
        unlock(__1701);
      }
    }
    return _computerID;
  }

  public static int charDiff(char a, char b) {
    return (int) a - (int) b;
  }

  public static int charDiff(String a, char b) {
    return charDiff(stringToChar(a), b);
  }

  public static String getTranspiledStandardFunctionsIfCached(TreeSet<String> functionSet) {
    try {
      File f = transpiledStandardFunctions_file(functionSet);
      return loadTextFile(f);
    } catch (Throwable __e) {
      return null;
    }
  }

  public static boolean standardFunctionsCacheUpToDate(TreeSet<String> functionSet) {
    File f = transpiledStandardFunctions_file(functionSet);
    long date = recommendedTranspilationDateForStandardFunctions(functionSet);
    return date != 0 && f.lastModified() >= date;
  }

  public static String joinWithPlus(Collection<String> c) {
    return join("+", c);
  }

  public static String joinWithPlus(String... c) {
    return join("+", c);
  }

  public static Class veryQuickJava_finish(String src, List<String> libs) {
    libs = cloneList(libs);
    src = findTranslators2(src, libs);
    String dehlibs = join(" ", libs);
    File bytecode = null;
    bytecode = javaCompile_overInternalBot(src, dehlibs);
    return hotwireCore(concatLists(ll(bytecode), loadLibraries(libs)));
  }

  public static boolean loadFunctions_debug;

  public static Object loadFunctions_veryQuickJava;

  public static Class loadFunctions(String... functions) {
    return loadFunctions(asList(functions));
  }

  public static Class loadFunctions(Collection<String> functions) {
    print("Compiling " + joinWithPlus(functions));
    TreeSet<String> functionSet = new TreeSet<String>(functions);
    StringBuilder buf = new StringBuilder();
    for (String s : functionSet) buf.append("please include function " + assertIdentifier(s) + ".\n");
    long time = sysNow();
    Class c;
    if (loadFunctions_veryQuickJava != null)
      c = (Class) callF(loadFunctions_veryQuickJava, str(buf));
    else {
      veryQuickJava_transpiled.set("");
      c = veryQuickJava(str(buf));
      saveTranspiledStandardFunctions(functionSet, getAndClearThreadLocal(veryQuickJava_transpiled));
    }
    if (loadFunctions_debug)
      done2_always(time, "loadFunctions: " + join(" ", functions));
    return c;
  }

  public static int methodApplicabilityScore(Method m, Object[] args) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length)
      return Integer.MAX_VALUE;
    int score = 0;
    for (int i = 0; i < types.length; i++) {
      Object a = args[i];
      Class c = types[i];
      if (a == null)
        ++score;
      else if (c == a.getClass()) {
      } else if (isInstanceX(c, a))
        ++score;
      else
        return Integer.MAX_VALUE;
    }
    return score;
  }

  public static String methodSignature(String name, Object[] args) {
    StringBuilder buf = new StringBuilder(name + "(");
    for (int i = 0; i < l(args); i++) {
      if (i != 0)
        buf.append(", ");
      buf.append(getClassName(args[i]));
    }
    buf.append(")");
    return str(buf);
  }

  public static Object invokeMethod(Method m, Object o, Object... args) {
    try {
      try {
        return m.invoke(o, args);
      } catch (InvocationTargetException e) {
        throw rethrow(getExceptionCause(e));
      } catch (IllegalArgumentException e) {
        throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args)));
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static RuntimeException todo() {
    throw new RuntimeException("TODO");
  }

  public static RuntimeException todo(String msg) {
    throw new RuntimeException("TODO: " + msg);
  }

  public static boolean containsSpaces(String s) {
    return indexOf(s, ' ') >= 0;
  }

  public static <A> A getOrKeep(Map<A, ? extends A> map, A a) {
    A v = map.get(a);
    return v != null ? v : a;
  }

  public static List<String> ai_splitCamelCase(String s) {
    int j = 0;
    List<String> l = new ArrayList();
    for (int i = 0; i < l(s); i++) if (isUpperCaseLetter(s.charAt(i)) && i > j) {
      l.add(substring(s, j, i));
      j = i;
    }
    if (j < l(s))
      l.add(substring(s, j));
    return l;
  }

  public static int getScreenWidth() {
    return getScreenSize().width;
  }

  public static int getScreenHeight() {
    return getScreenSize().height;
  }

  public static boolean frameTooSmall(JFrame frame) {
    return frame.getWidth() < 100 || frame.getHeight() < 50;
  }

  public static void frameStandardSize(JFrame frame) {
    frame.setBounds(300, 100, 500, 400);
  }

  public static void setFrameContents(final Component c, final Object contents) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            JFrame frame = getFrame(c);
            frame.getContentPane().removeAll();
            frame.getContentPane().setLayout(new BorderLayout());
            frame.getContentPane().add(wrap(contents));
            revalidate(frame);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "JFrame frame = getFrame(c);\r\n    frame.getContentPane().removeAll();\r\n    fra...";
        }
      });
    }
  }

  public static File getProgramDir() {
    return programDir();
  }

  public static File getProgramDir(String snippetID) {
    return programDir(snippetID);
  }

  public static String getCanonicalPath(String path) {
    try {
      return new File(path).getCanonicalPath();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static AutoCloseable tempCleaningUp() {
    return tempSetTL(ping_isCleanUpThread, true);
  }

  public static void closeAllWriters(Collection<? extends Writer> l) {
    for (Writer w : unnull(l)) {
      try {
        w.close();
      } catch (Throwable __e) {
        _handleException(__e);
      }
    }
  }

  public static File localSnippetFile(long snippetID) {
    return localSnippetsDir(snippetID + ".text");
  }

  public static File localSnippetFile(String snippetID) {
    return localSnippetFile(parseSnippetID(snippetID));
  }

  public static String getFileInfoField(File f, String field) {
    return getOneLineFileInfoField(f, field);
  }

  public static File dropExtension(File f) {
    return f == null ? null : fileInSameDir(f, dropExtension(f.getName()));
  }

  public static String dropExtension(String s) {
    return takeFirst(s, smartLastIndexOf(s, '.'));
  }

  public static String htmlQuery(Map params) {
    return params.isEmpty() ? "" : "?" + makePostData(params);
  }

  public static String htmlQuery(Object... data) {
    return htmlQuery(litmap(data));
  }

  public static Object[] muricaCredentials() {
    String pass = muricaPassword();
    return nempty(pass) ? new Object[] { "_pass", pass } : new Object[0];
  }

  public static String standardCredentials() {
    String user = standardCredentialsUser();
    String pass = standardCredentialsPass();
    if (nempty(user) && nempty(pass))
      return "&_user=" + urlencode(user) + "&_pass=" + urlencode(pass);
    return "";
  }

  public static boolean saveTextFileIfDifferent(File f, String contents) {
    if (eq(loadTextFile(f), contents))
      return false;
    {
      saveTextFile(f, contents);
      return true;
    }
  }

  public static boolean methodIsStatic(Method m) {
    return (m.getModifiers() & Modifier.STATIC) != 0;
  }

  public static Map<String, List<String>> parse3_cachedInput_cache = synchronizedMRUCache(1000);

  public static List<String> parse3_cachedInput(String s) {
    List<String> tok = parse3_cachedInput_cache.get(s);
    if (tok == null)
      parse3_cachedInput_cache.put(s, tok = parse3(s));
    return tok;
  }

  public static Map<String, List<String>> parse3_cachedPattern_cache = synchronizedMRUCache(1000);

  public static synchronized List<String> parse3_cachedPattern(String s) {
    List<String> tok = parse3_cachedPattern_cache.get(s);
    if (tok == null)
      parse3_cachedPattern_cache.put(s, tok = parse3(s));
    return tok;
  }

  public 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];
  }

  public static void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) {
    System.arraycopy(src, srcPos, dest, destPos, n);
  }

  public static List<String> parse3(String s) {
    return dropPunctuation(javaTokPlusPeriod(s));
  }

  public static Method findMethodNamed(Object obj, String method) {
    if (obj == null)
      return null;
    if (obj instanceof Class)
      return findMethodNamed((Class) obj, method);
    return findMethodNamed(obj.getClass(), method);
  }

  public static Method findMethodNamed(Class c, String method) {
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) if (m.getName().equals(method)) {
        m.setAccessible(true);
        return m;
      }
      c = c.getSuperclass();
    }
    return null;
  }

  public static void upgradeJavaXAndRestart() {
    run("#1001639");
    restart();
    sleep();
  }

  public static boolean equalsIgnoreCase(String a, String b) {
    return eqic(a, b);
  }

  public static boolean equalsIgnoreCase(char a, char b) {
    return eqic(a, b);
  }

  public static String structure_addTokenMarkers(String s) {
    return join(structure_addTokenMarkers(javaTok(s)));
  }

  public static List<String> structure_addTokenMarkers(List<String> tok) {
    TreeSet<Integer> refs = new TreeSet();
    for (int i = 1; i < l(tok); i += 2) {
      String t = tok.get(i);
      if (t.startsWith("t") && isInteger(t.substring(1)))
        refs.add(parseInt(t.substring(1)));
    }
    if (empty(refs))
      return tok;
    for (int i : refs) {
      int idx = i * 2 + 1;
      String t = "";
      if (endsWithLetterOrDigit(tok.get(idx - 1)))
        t = " ";
      tok.set(idx, t + "m" + i + " " + tok.get(idx));
    }
    return tok;
  }

  public static String jreplace(String s, String in, String out) {
    return jreplace(s, in, out, null);
  }

  public static String jreplace(String s, String in, String out, Object condition) {
    List<String> tok = javaTok(s);
    return jreplace(tok, in, out, condition) ? join(tok) : s;
  }

  public static boolean jreplace(List<String> tok, String in, String out) {
    return jreplace(tok, in, out, false, true, null);
  }

  public static boolean jreplace(List<String> tok, String in, String out, Object condition) {
    return jreplace(tok, in, out, false, true, condition);
  }

  public static boolean jreplace(List<String> tok, String in, String out, boolean ignoreCase, boolean reTok, Object condition) {
    List<String> tokin = javaTok(in);
    jfind_preprocess(tokin);
    String[] toks = toStringArray(codeTokensOnly(tokin));
    boolean anyChange = false;
    for (int n = 0; n < 10000; n++) {
      int i = findCodeTokens(tok, 1, ignoreCase, toks, condition);
      if (i < 0)
        return anyChange;
      List<String> subList = tok.subList(i - 1, i + l(tokin) - 1);
      String expansion = jreplaceExpandRefs(out, subList);
      int end = i + l(tokin) - 2;
      clearAllTokens(tok, i, end);
      tok.set(i, expansion);
      if (reTok)
        reTok(tok, i, end);
      anyChange = true;
    }
    throw fail("woot? 10000! " + quote(in) + " => " + quote(out));
  }

  public static boolean jreplace_debug;

  public static <A, B> B mapPutOrRemove(Map<A, B> map, A key, B value) {
    if (map != null && key != null)
      if (value != null)
        return map.put(key, value);
      else
        return map.remove(key);
    return null;
  }

  public static <A> Set<A> synchroWeakHashSet() {
    return Collections.newSetFromMap((Map) newWeakHashMap());
  }

  public static Component childWithClassNameEndingWith(Component c, String suffix) {
    if (endsWith(className(c), suffix))
      return c;
    Component x;
    for (Component comp : getComponents(c)) if ((x = childWithClassNameEndingWith(comp, suffix)) != null)
      return x;
    return null;
  }

  public static boolean isInstance(Class type, Object arg) {
    return type.isInstance(arg);
  }

  public static Class<?> hotwire(String src) {
    assertFalse(_inCore());
    Class j = getJavaX();
    if (isAndroid()) {
      synchronized (j) {
        List<File> libraries = new ArrayList<File>();
        File srcDir = (File) call(j, "transpileMain", src, libraries);
        if (srcDir == null)
          throw fail("transpileMain returned null (src=" + quote(src) + ")");
        Object androidContext = get(j, "androidContext");
        return (Class) call(j, "loadx2android", srcDir, src);
      }
    } else {
      Class c = (Class) (call(j, "hotwire", src));
      hotwire_copyOver(c);
      return c;
    }
  }

  public static Object makeDependent_postProcess;

  public static void makeDependent(Object c) {
    if (c == null)
      return;
    assertTrue("Not a class", c instanceof Class);
    dependentClasses();
    hotwire_classes.add(new WeakReference(c));
    Object local_log = getOpt(mc(), "local_log");
    if (local_log != null)
      setOpt(c, "local_log", local_log);
    Object print_byThread = getOpt(mc(), "print_byThread");
    if (print_byThread != null)
      setOpt(c, "print_byThread", print_byThread);
    callF(makeDependent_postProcess, c);
  }

  public static <A> A callMain(A c, String... args) {
    callOpt(c, "main", new Object[] { args });
    return c;
  }

  public static void callMain() {
    callMain(mc());
  }

  public static <A, B> void put(Map<A, B> map, A a, B b) {
    if (map != null)
      map.put(a, b);
  }

  public static List<Pair> _registerDangerousWeakMap_preList;

  public static <A> A _registerDangerousWeakMap(A map) {
    return _registerDangerousWeakMap(map, null);
  }

  public static <A> A _registerDangerousWeakMap(A map, Object init) {
    callF(init, map);
    if (init instanceof String) {
      final String f = (String) (init);
      init = new VF1<Map>() {

        public void get(Map map) {
          try {
            callMC(f, map);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "callMC(f, map)";
        }
      };
    }
    if (javax() == null) {
      if (_registerDangerousWeakMap_preList == null)
        _registerDangerousWeakMap_preList = synchroList();
      _registerDangerousWeakMap_preList.add(pair(map, init));
      return map;
    }
    call(javax(), "_registerDangerousWeakMap", map, init);
    return map;
  }

  public static void _onLoad_registerDangerousWeakMap() {
    assertNotNull(javax());
    if (_registerDangerousWeakMap_preList == null)
      return;
    for (Pair p : _registerDangerousWeakMap_preList) _registerDangerousWeakMap(p.a, p.b);
    _registerDangerousWeakMap_preList = null;
  }

  public static boolean isSubtypeOf(Class a, Class b) {
    return b.isAssignableFrom(a);
  }

  public static ThreadLocal<Boolean> addInternalFrame_dontSelect = new ThreadLocal();

  public static ThreadLocal<Integer> addInternalFrame_layer = new ThreadLocal();

  public static ThreadLocal<Boolean> addInternalFrame_toBack = new ThreadLocal();

  public static JInternalFrame addInternalFrame(final JDesktopPane desktop, final String title, final int x, final int y, final int w, final int h) {
    return addInternalFrame(desktop, title, x, y, w, h, null);
  }

  public static JInternalFrame addInternalFrame(final JDesktopPane desktop, final String title, final int x, final int y, final int w, final int h, final Component contents) {
    return addInternalFrame(desktop, title, rect(x, y, w, h), contents);
  }

  public static JInternalFrame addInternalFrame(final JDesktopPane desktop, final String title, final Component contents) {
    return addInternalFrame(desktop, title, null, contents);
  }

  public static JInternalFrame addInternalFrame(final JDesktopPane desktop, final String title, final Rect r, final Component contents) {
    final boolean dontSelect = isTrue(optParam(addInternalFrame_dontSelect));
    final boolean toBack = isTrue(optParam(addInternalFrame_toBack));
    final Integer layer = optParam(addInternalFrame_layer);
    return swing(new F0<JInternalFrame>() {

      public JInternalFrame get() {
        try {
          JInternalFrame frame;
          if (contents instanceof JInternalFrame)
            frame = (JInternalFrame) contents;
          else {
            frame = jInternalFrame(title);
            setInternalFrameContents(frame, contents);
          }
          frame.setVisible(true);
          desktop.add(frame, layer);
          if (r != null)
            setBounds(frame, r);
          else
            internalFrameDefaultPosition(frame);
          if (dontSelect)
            if (toBack)
              frame.toBack();
            else
              frame.toFront();
          else
            frame.setSelected(true);
          return fixInternalFrame(frame);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JInternalFrame frame;\r\n    if (contents instanceof JInternalFrame)\r\n      fra...";
      }
    });
  }

  public static JInternalFrame addInternalFrame(JDesktopPane desktop, String title) {
    return addInternalFrame(desktop, title, jpanel());
  }

  public static JInternalFrame minInternalFrameWidth(final JInternalFrame frame, final int w) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            if (frame != null && frame.getWidth() < w)
              frame.setSize(w, frame.getHeight());
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "if (frame != null && frame.getWidth() < w)\r\n      frame.setSize(w, frame.getH...";
        }
      });
    }
    return frame;
  }

  public static JInternalFrame minInternalFrameWidth(int w, JInternalFrame frame) {
    return minInternalFrameWidth(frame, w);
  }

  public static <A extends Component> A packInternalFrameVertically(A c) {
    return packInternalFrameVertically(-1, c);
  }

  public static <A extends Component> A packInternalFrameVertically(int width, A c) {
    final JInternalFrame win = getInternalFrame(c);
    if (win == null)
      return c;
    final int w = width < 0 ? win.getWidth() : width;
    {
      swing(new Runnable() {

        public void run() {
          try {
            win.pack();
            win.setSize(w, win.getHeight());
            fixInternalFrame(win);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "win.pack();\r\n    win.setSize(w, win.getHeight());\r\n    fixInternalFrame(win);";
        }
      });
    }
    return c;
  }

  public static JInternalFrame centerInternalFrame(final JInternalFrame f) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            Container c = f.getParent();
            if (c != null) {
              f.setLocation((c.getWidth() - f.getWidth()) / 2, (c.getHeight() - f.getHeight()) / 2);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "Container c = f.getParent();\r\n    if (c != null) {\r\n      //print(\"Container ...";
        }
      });
    }
    return f;
  }

  public static JInternalFrame centerInternalFrame(final int w, final int h, final JInternalFrame f) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            f.setSize(w, h);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "f.setSize(w, h);";
        }
      });
    }
    return centerInternalFrame(f);
  }

  public static <A, B> Map<A, B> syncMRUCache(int size) {
    return synchroMap(new MRUCache(size));
  }

  public static File computerIDFile() {
    return javaxDataDir("Basic Info/computer-id.txt");
  }

  public static String makeRandomID(int length) {
    return makeRandomID(length, defaultRandomGenerator());
  }

  public static String makeRandomID(int length, Random 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);
  }

  public static File saveTextFile(String fileName, String contents) throws IOException {
    CriticalAction action = beginCriticalAction("Saving file " + fileName + " (" + l(contents) + " chars)");
    try {
      File file = new File(fileName);
      mkdirsForFile(file);
      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);
      vmBus_send("wroteFile", file);
      return file;
    } finally {
      action.done();
    }
  }

  public static File saveTextFile(File fileName, String contents) {
    try {
      saveTextFile(fileName.getPath(), contents);
      return fileName;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static char stringToChar(String s) {
    if (l(s) != 1)
      throw fail("bad stringToChar: " + s);
    return firstChar(s);
  }

  public static File transpiledStandardFunctions_file(TreeSet<String> functionSet) {
    String name = uniqueFileNameUsingMD5_80_v2(join("+", functionSet));
    File dir = javaxCachesDir("Transpiled Standard Functions");
    saveTextFileUnlessExists(newFile(dir, name + ".functions"), lines(functionSet));
    return newFile(dir, name + ".java");
  }

  public static long recommendedTranspilationDateForStandardFunctions(Collection<String> sfNames) {
    long date = 0;
    for (String name : sfNames) {
      long d = recommendedTranspilationDateForStandardFunction(name);
      if (d == 0)
        return 0;
      date = max(date, d);
    }
    return date;
  }

  public static String findTranslators2(String src, List<String> libsOut) {
    return join(findTranslators2(javaTok(src), libsOut));
  }

  public static List<String> findTranslators2(List<String> tok, List<String> libsOut) {
    int i;
    while ((i = jfind(tok, "!<int>")) >= 0) {
      setAdd(libsOut, tok.get(i + 2));
      clearTokens(tok, i, i + 3);
    }
    return tok;
  }

  public static File javaCompile_overInternalBot(String src) {
    return javaCompile_overInternalBot(src, "");
  }

  public static synchronized File javaCompile_overInternalBot(String src, String dehlibs) {
    return CompilerBot.compile(src, dehlibs);
  }

  public static Class hotwireCore(List<File> files) {
    try {
      JavaXClassLoader classLoader = hotwire_makeClassLoader(files);
      Class<?> theClass = classLoader.loadClass("main");
      setOpt(theClass, "__javax", getJavaX());
      if (getOpt(theClass, "programID") == null)
        setOpt(theClass, "programID", "#3999999");
      if (!_inCore())
        hotwire_copyOver(theClass);
      return theClass;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<File> loadLibraries(List<String> snippetIDs) {
    return map("loadLibrary", snippetIDs);
  }

  public static long sysNow() {
    ping();
    return System.nanoTime() / 1000000;
  }

  public static Class veryQuickJava(CharSequence mainJava) {
    return veryQuickJava3(str(mainJava));
  }

  public static void saveTranspiledStandardFunctions(TreeSet<String> functionSet, String transpiledSrc) {
    try {
      saveTextFile(transpiledStandardFunctions_file(functionSet), transpiledSrc);
    } catch (Throwable __e) {
      _handleException(__e);
    }
  }

  public static long done2_always(long startTime, String desc) {
    long time = sysNow() - startTime;
    print(desc + " [" + time + " ms]");
    return time;
  }

  public static long done2_always(String desc, long startTime) {
    return done2_always(startTime, desc);
  }

  public static long done2_always(long startTime) {
    return done2_always(startTime, "");
  }

  public static Throwable getExceptionCause(Throwable e) {
    Throwable c = e.getCause();
    return c != null ? c : e;
  }

  public static List<String> classNames(Collection l) {
    return getClassNames(l);
  }

  public static List<String> classNames(Object[] l) {
    return getClassNames(Arrays.asList(l));
  }

  public static boolean isUpperCaseLetter(char c) {
    return Character.isUpperCase(c);
  }

  public static File programDir_mine;

  public static File programDir() {
    return programDir(getProgramID());
  }

  public static File programDir(String snippetID) {
    boolean me = sameSnippetID(snippetID, programID());
    if (programDir_mine != null && me)
      return programDir_mine;
    File dir = new File(javaxDataDir(), formatSnippetIDOpt(snippetID));
    if (me) {
      String c = caseID();
      if (nempty(c))
        dir = newFile(dir, c);
    }
    return dir;
  }

  public static File programDir(String snippetID, String subPath) {
    return new File(programDir(snippetID), subPath);
  }

  public static <A> AutoCloseable tempSetTL(ThreadLocal<A> tl, A a) {
    return tempSetThreadLocal(tl, a);
  }

  public static File localSnippetsDir() {
    return javaxDataDir("Personal Programs");
  }

  public static File localSnippetsDir(String sub) {
    return newFile(localSnippetsDir(), sub);
  }

  public static String getOneLineFileInfoField(File f, String field) {
    File infoFile = associatedInfosFile(f);
    List<String> lines = lines(loadTextFile(infoFile));
    return firstStartingWithIC_drop(lines, field + ": ");
  }

  public static File fileInSameDir(File f, String newName) {
    return newFile(parentFile(f), newName);
  }

  public static <A> List<A> takeFirst(List<A> l, int n) {
    return l(l) <= n ? l : newSubListOrSame(l, 0, n);
  }

  public static <A> List<A> takeFirst(int n, List<A> l) {
    return takeFirst(l, n);
  }

  public static String takeFirst(int n, String s) {
    return substring(s, 0, n);
  }

  public static String takeFirst(String s, int n) {
    return substring(s, 0, n);
  }

  public static <A> List<A> takeFirst(int n, Iterable<A> i) {
    List l = new ArrayList();
    Iterator<A> it = i.iterator();
    for (int _repeat_85 = 0; _repeat_85 < n; _repeat_85++) {
      if (it.hasNext())
        l.add(it.next());
      else
        break;
    }
    return l;
  }

  public static int smartLastIndexOf(String s, char c) {
    if (s == null)
      return 0;
    int i = s.lastIndexOf(c);
    return i >= 0 ? i : l(s);
  }

  public static String makePostData(Map<Object, Object> map) {
    List<String> l = new ArrayList();
    for (Map.Entry<Object, Object> e : map.entrySet()) {
      String key = (String) (e.getKey());
      Object val = e.getValue();
      if (val != null) {
        String value = str(val);
        l.add(urlencode(key) + "=" + urlencode((value)));
      }
    }
    return join("&", l);
  }

  public static String makePostData(Object... params) {
    return makePostData(litorderedmap(params));
  }

  public static String standardCredentialsUser() {
    return trim(loadTextFile(new File(userHome(), ".tinybrain/username")));
  }

  public static String standardCredentialsPass() {
    return trim(loadTextFile(new File(userHome(), ".tinybrain/userpass")));
  }

  public static String urlencode(String x) {
    try {
      return URLEncoder.encode(unnull(x), "UTF-8");
    } catch (UnsupportedEncodingException e) {
      throw new RuntimeException(e);
    }
  }

  public static List<String> dropPunctuation_keep = litlist("*", "<", ">");

  public static List<String> dropPunctuation(List<String> tok) {
    tok = new ArrayList<String>(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)) && !dropPunctuation_keep.contains(t)) {
        tok.set(i - 1, tok.get(i - 1) + tok.get(i + 1));
        tok.remove(i);
        tok.remove(i);
        i -= 2;
      }
    }
    return tok;
  }

  public static String dropPunctuation(String s) {
    return join(dropPunctuation(nlTok(s)));
  }

  public static List<String> javaTokPlusPeriod(String s) {
    List<String> tok = new ArrayList<String>();
    int l = s.length();
    int i = 0;
    while (i < l) {
      int j = i;
      char c;
      String cc;
      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));
      if (c == (char) 0x201C || c == (char) 0x201D)
        c = '"';
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          char _c = s.charAt(j);
          if (_c == (char) 0x201C || _c == (char) 0x201D)
            _c = '"';
          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) == '\''));
      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;
  }

  public static Class run(String progID, String... args) {
    Class main = hotwire(progID);
    callMain(main, args);
    return main;
  }

  public static int jfind(String s, String in) {
    return jfind(javaTok(s), in);
  }

  public static int jfind(List<String> tok, String in) {
    return jfind(tok, 1, in);
  }

  public static int jfind(List<String> tok, int startIdx, String in) {
    return jfind(tok, startIdx, in, null);
  }

  public static int jfind(List<String> tok, String in, Object condition) {
    return jfind(tok, 1, in, condition);
  }

  public static int jfind(List<String> tok, int startIdx, String in, Object condition) {
    List<String> tokin = javaTok(in);
    jfind_preprocess(tokin);
    return jfind(tok, startIdx, tokin, condition);
  }

  public static int jfind(List<String> tok, List<String> tokin) {
    return jfind(tok, 1, tokin);
  }

  public static int jfind(List<String> tok, int startIdx, List<String> tokin) {
    return jfind(tok, startIdx, tokin, null);
  }

  public static int jfind(List<String> tok, int startIdx, List<String> tokin, Object condition) {
    return findCodeTokens(tok, startIdx, false, toStringArray(codeTokensOnly(tokin)), condition);
  }

  public static List<String> jfind_preprocess(List<String> tok) {
    for (String type : litlist("quoted", "id", "int")) replaceSublist(tok, ll("<", "", type, "", ">"), ll("<" + type + ">"));
    replaceSublist(tok, ll("\\", "", "*"), ll("\\*"));
    return tok;
  }

  public static int findCodeTokens(List<String> tok, String... tokens) {
    return findCodeTokens(tok, 1, false, tokens);
  }

  public static int findCodeTokens(List<String> tok, boolean ignoreCase, String... tokens) {
    return findCodeTokens(tok, 1, ignoreCase, tokens);
  }

  public static int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String... tokens) {
    return findCodeTokens(tok, startIdx, ignoreCase, tokens, null);
  }

  public static List<String> findCodeTokens_specials = litlist("*", "<quoted>", "<id>", "<int>", "\\*");

  public static boolean findCodeTokens_debug;

  public static int findCodeTokens_indexed, findCodeTokens_unindexed;

  public static int findCodeTokens_bails, findCodeTokens_nonbails;

  public static int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String[] tokens, Object condition) {
    if (findCodeTokens_debug) {
      if (eq(getClassName(tok), "main$IndexedList2"))
        findCodeTokens_indexed++;
      else
        findCodeTokens_unindexed++;
    }
    if (!ignoreCase && !findCodeTokens_specials.contains(tokens[0]) && !tok.contains(tokens[0])) {
      ++findCodeTokens_bails;
      return -1;
    }
    ++findCodeTokens_nonbails;
    outer: for (int i = startIdx | 1; i + tokens.length * 2 - 2 < tok.size(); i += 2) {
      for (int j = 0; j < tokens.length; j++) {
        String p = tokens[j], t = tok.get(i + j * 2);
        boolean match;
        if (eq(p, "*"))
          match = true;
        else if (eq(p, "<quoted>"))
          match = isQuoted(t);
        else if (eq(p, "<id>"))
          match = isIdentifier(t);
        else if (eq(p, "<int>"))
          match = isInteger(t);
        else if (eq(p, "\\*"))
          match = eq("*", t);
        else
          match = ignoreCase ? eqic(p, t) : eq(p, t);
        if (!match)
          continue outer;
      }
      if (condition == null || checkTokCondition(condition, tok, i - 1))
        return i;
    }
    return -1;
  }

  public static String jreplaceExpandRefs(String s, List<String> tokref) {
    List<String> tok = javaTok(s);
    for (int i = 1; i < l(tok); i += 2) {
      if (tok.get(i).startsWith("$") && isInteger(tok.get(i).substring(1))) {
        String x = tokref.get(-1 + parseInt(tok.get(i).substring(1)) * 2);
        tok.set(i, x);
      }
    }
    return join(tok);
  }

  public static void clearAllTokens(List<String> tok) {
    for (int i = 0; i < tok.size(); i++) tok.set(i, "");
  }

  public static void clearAllTokens(List<String> tok, int i, int j) {
    for (; i < j; i++) tok.set(i, "");
  }

  public static List<String> reTok(List<String> tok) {
    replaceCollection(tok, javaTok(tok));
    return tok;
  }

  public static List<String> reTok(List<String> tok, int i) {
    return reTok(tok, i, i + 1);
  }

  public static List<String> reTok(List<String> tok, int i, int j) {
    i = i & ~1;
    j = j | 1;
    List<String> t = javaTok(join(subList(tok, i, j)));
    replaceListPart(tok, i, j, t);
    return tok;
  }

  public static boolean _inCore() {
    return false;
  }

  public static List hotwire_copyOver_after = synchroList();

  public static void hotwire_copyOver(Class c) {
    for (String field : ll("print_log", "print_silent", "androidContext", "_userHome")) setOptIfNotNull(c, field, getOpt(mc(), field));
    setOptIfNotNull(c, "mainBot", getMainBot());
    setOpt(c, "creator_class", new WeakReference(mc()));
    pcallFAll(hotwire_copyOver_after, c);
  }

  public static List<Class> dependentClasses() {
    return cleanUpAndGetWeakReferencesList(hotwire_classes);
  }

  public static List<WeakReference<Class>> hotwire_classes = synchroList();

  public static Class<?> hotwireDependent(String src) {
    Class c = hotwire(src);
    makeDependent(c);
    return c;
  }

  public static Rect rect(int x, int y, int w, int h) {
    return new Rect(x, y, w, h);
  }

  public static boolean jInternalFrame_iconifiable = true;

  public static JInternalFrame jInternalFrame() {
    return jInternalFrame("");
  }

  public static JInternalFrame jInternalFrame(final String title) {
    return swing(new F0<JInternalFrame>() {

      public JInternalFrame get() {
        try {
          JInternalFrame f = new JInternalFrame(title, true, true, true, jInternalFrame_iconifiable);
          f.setVisible(true);
          return f;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JInternalFrame f = new JInternalFrame(title, true, true, true, jInternalFrame...";
      }
    });
  }

  public static void setInternalFrameContents(final Component c, final Object contents) {
    {
      swing(new Runnable() {

        public void run() {
          try {
            JInternalFrame frame = getInternalFrame(c);
            if (frame == null)
              return;
            frame.getContentPane().removeAll();
            frame.getContentPane().setLayout(new BorderLayout());
            if (contents != null)
              frame.getContentPane().add(wrap(contents));
            revalidate(frame);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "JInternalFrame frame = getInternalFrame(c);\r\n    if (frame == null) return;\r\n...";
        }
      });
    }
  }

  public static <A extends Component> A setBounds(final int x, final int y, final int w, final int h, final A a) {
    if (a != null) {
      swing(new Runnable() {

        public void run() {
          try {
            a.setBounds(x, y, w, h);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "a.setBounds(x, y, w, h);";
        }
      });
    }
    return a;
  }

  public static <A extends Component> A setBounds(final A a, final Rect r) {
    if (a != null) {
      swing(new Runnable() {

        public void run() {
          try {
            a.setBounds(toRectangle(r));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "a.setBounds(toRectangle(r));";
        }
      });
    }
    return a;
  }

  public static <A extends Component> A setBounds(A a, int x, int y, int w, int h) {
    return setBounds(x, y, w, h, a);
  }

  public static void internalFrameDefaultPosition(JInternalFrame f) {
    f.setSize(500, 300);
    centerInternalFrame(f);
  }

  public static int fixInternalFrame_borderTopLeft = 0;

  public static int fixInternalFrame_borderBottomRight = 40;

  public static JInternalFrame fixInternalFrame(final JInternalFrame f) {
    return swing(new F0<JInternalFrame>() {

      public JInternalFrame get() {
        try {
          Container c = f.getParent();
          if (c == null)
            return f;
          Rect r = toRect(f.getBounds());
          int a = fixInternalFrame_borderTopLeft, b = fixInternalFrame_borderBottomRight;
          Rect outer = new Rect(a, a, c.getWidth() - b, c.getHeight() - b);
          if (!rectContains(outer, r))
            f.setLocation(max(a, min(r.x, outer.x2())), max(a, min(r.y, outer.y2())));
          if (r.w > c.getWidth() || r.h > c.getHeight())
            f.setSize(c.getWidth() - a, c.getHeight() - a);
          return f;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Container c = f.getParent();\r\n    if (c == null) ret f;\r\n    Rect r = toRect(...";
      }
    });
  }

  public static Random defaultRandomGenerator() {
    return ThreadLocalRandom.current();
  }

  public static List<CriticalAction> beginCriticalAction_inFlight = synchroList();

  public static class CriticalAction {

    public String description;

    public CriticalAction() {
    }

    public CriticalAction(String description) {
      this.description = description;
    }

    public void done() {
      beginCriticalAction_inFlight.remove(this);
    }
  }

  public static CriticalAction beginCriticalAction(String description) {
    ping();
    CriticalAction c = new CriticalAction(description);
    beginCriticalAction_inFlight.add(c);
    return c;
  }

  public static void cleanMeUp_beginCriticalAction() {
    int n = 0;
    while (nempty(beginCriticalAction_inFlight)) {
      int m = l(beginCriticalAction_inFlight);
      if (m != n) {
        n = m;
        try {
          print("Waiting for " + n2(n, "critical actions") + ": " + join(", ", collect(beginCriticalAction_inFlight, "description")));
        } catch (Throwable __e) {
          _handleException(__e);
        }
      }
      sleepInCleanUp(10);
    }
  }

  public static void copyFile(File src, File dest) {
    try {
      FileInputStream inputStream = new FileInputStream(src.getPath());
      FileOutputStream outputStream = newFileOutputStream(dest.getPath());
      try {
        copyStream(inputStream, outputStream);
        inputStream.close();
      } finally {
        outputStream.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static char firstChar(String s) {
    return s.charAt(0);
  }

  public static String uniqueFileNameUsingMD5_80_v2(String fullName) {
    return uniqueFileNameUsingMD5_80_v2(fullName, md5(fullName));
  }

  public static String uniqueFileNameUsingMD5_80_v2(String fullName, String md5) {
    return takeFirst(80 - 33, fileNameEncode(fullName)) + " - " + md5;
  }

  public static void saveTextFileUnlessExists(File f, String contents) {
    if (f != null && !f.exists())
      saveTextFile(f, contents);
  }

  public static long recommendedTranspilationDateForStandardFunction(String sfName) {
    return toLong(mechMap("Recommended SF Transpilation Date").get(sfName));
  }

  public static <A> boolean setAdd(Collection<A> c, A a) {
    if (c == null || c.contains(a))
      return false;
    c.add(a);
    return true;
  }

  public static void clearTokens(List<String> tok) {
    clearAllTokens(tok);
  }

  public static void clearTokens(List<String> tok, int i, int j) {
    clearAllTokens(tok, i, j);
  }

  public static JavaXClassLoader hotwire_makeClassLoader(List<File> files) {
    Collection<String> toShare = hotwire_classesToShare();
    return nempty(toShare) ? new JavaXClassLoaderWithParent2(null, files, myClassLoader(), cloneList(toShare)) : new JavaXClassLoader(null, files);
  }

  public static boolean veryQuickJava_silent = true;

  public static boolean veryQuickJava_useCompilerBot = true;

  public static ThreadLocal<String> veryQuickJava_transpiled = new ThreadLocal();

  public static Object veryQuickJava3_cacheFunction;

  public static Class veryQuickJava3(String mainJava) {
    return veryQuickJava3(mainJava, emptyList());
  }

  public static Class veryQuickJava3(String mainJava, List<String> libs) {
    Class c = (Class) (callF(veryQuickJava3_cacheFunction, mainJava, libs));
    if (c != null)
      return c;
    transpileRaw_silent = veryQuickJava_silent;
    String src = transpileRaw(mainJava);
    if (veryQuickJava_transpiled.get() != null)
      veryQuickJava_transpiled.set(src);
    return veryQuickJava_finish(src, libs);
  }

  public static List<String> getClassNames(Collection l) {
    List<String> out = new ArrayList();
    if (l != null)
      for (Object o : l) out.add(o == null ? null : getClassName(o));
    return out;
  }

  public static boolean sameSnippetID(String a, String b) {
    if (!isSnippetID(a) || !isSnippetID(b))
      return false;
    return parseSnippetID(a) == parseSnippetID(b);
  }

  public static volatile String caseID_caseID;

  public static String caseID() {
    return caseID_caseID;
  }

  public static void caseID(String id) {
    caseID_caseID = id;
  }

  public static <A> AutoCloseable tempSetThreadLocal(final ThreadLocal<A> tl, A a) {
    if (tl == null)
      return null;
    final A prev = setThreadLocal(tl, a);
    return new AutoCloseable() {

      public String toString() {
        return "tl.set(prev);";
      }

      public void close() throws Exception {
        tl.set(prev);
      }
    };
  }

  public static File associatedInfosFile(File f) {
    return replaceExtension(f, ".infos");
  }

  public static String firstStartingWithIC_drop(Collection<String> l, final String prefix) {
    for (String s : unnull(l)) if (swic(s, prefix))
      return substring(s, l(prefix));
    return null;
  }

  public static String firstStartingWithIC_drop(String prefix, Collection<String> l) {
    return firstStartingWithIC_drop(l, prefix);
  }

  public static File parentFile(File f) {
    return dirOfFile(f);
  }

  public static <A> List<A> newSubListOrSame(List<A> l, int startIndex) {
    return newSubListOrSame(l, startIndex, l(l));
  }

  public static <A> List<A> newSubListOrSame(List<A> l, int startIndex, int endIndex) {
    if (l == null)
      return null;
    startIndex = max(0, startIndex);
    endIndex = min(l(l), endIndex);
    if (startIndex >= endIndex)
      return ll();
    if (startIndex == 0 && endIndex == l(l))
      return l;
    return cloneList(l.subList(startIndex, endIndex));
  }

  public static LinkedHashMap litorderedmap(Object... x) {
    LinkedHashMap map = new LinkedHashMap();
    litmap_impl(map, x);
    return map;
  }

  public static <A> ArrayList<A> litlist(A... a) {
    ArrayList l = new ArrayList(a.length);
    for (A x : a) l.add(x);
    return l;
  }

  public static List<String> nlTok(String s) {
    return javaTokPlusPeriod(s);
  }

  public static boolean checkTokCondition(Object condition, List<String> tok, int i) {
    if (condition instanceof TokCondition)
      return ((TokCondition) condition).get(tok, i);
    return checkCondition(condition, tok, i);
  }

  public static <A> void replaceCollection(Collection<A> dest, Collection<A> src) {
    dest.clear();
    dest.addAll(src);
  }

  public static void replaceListPart(List l, int i, int j, List l2) {
    int j2 = i + l(l2);
    if (j2 == j) {
      copyListPart(l2, 0, l, i, l(l2));
      return;
    }
    l.subList(i, j).clear();
    l.addAll(i, l2);
  }

  public static void setOptIfNotNull(Object o, String field, Object value) {
    if (value != null)
      setOpt(o, field, value);
  }

  public static Object mainBot;

  public static Object getMainBot() {
    return mainBot;
  }

  public static <A> List<A> cleanUpAndGetWeakReferencesList(List<WeakReference<A>> l) {
    if (l == null)
      return null;
    synchronized (l) {
      List<A> out = new ArrayList();
      for (int i = 0; i < l(l); i++) {
        A a = l.get(i).get();
        if (a == null)
          l.remove(i--);
        else
          out.add(a);
      }
      return out;
    }
  }

  public static Rectangle toRectangle(Rect r) {
    return r == null ? null : r.getRectangle();
  }

  public static Rect toRect(Rectangle r) {
    return r == null ? null : new Rect(r);
  }

  public static boolean rectContains(int x1, int y1, int w, int h, Pt p) {
    return p.x >= x1 && p.y >= y1 && p.x < x1 + w && p.y < y1 + h;
  }

  public static boolean rectContains(Rect a, Rect b) {
    return b.x >= a.x && b.y >= a.y && b.x2() <= a.x2() && b.y2() <= a.y2();
  }

  public static String n2(long l) {
    return formatWithThousands(l);
  }

  public static String n2(Collection l) {
    return n2(l(l));
  }

  public static String n2(double l, String singular) {
    return n2(l, singular, singular + "s");
  }

  public static String n2(double l, String singular, String plural) {
    if (fraction(l) == 0)
      return n2((long) l, singular, plural);
    else
      return l + " " + plural;
  }

  public static String n2(long l, String singular, String plural) {
    return n_fancy2(l, singular, plural);
  }

  public static String n2(long l, String singular) {
    return n_fancy2(l, singular, singular + "s");
  }

  public static String n2(Collection l, String singular) {
    return n2(l(l), singular);
  }

  public static String n2(Collection l, String singular, String plural) {
    return n_fancy2(l, singular, plural);
  }

  public static String n2(Map m, String singular, String plural) {
    return n_fancy2(m, singular, plural);
  }

  public static String n2(Map m, String singular) {
    return n2(l(m), singular);
  }

  public static String n2(Object[] a, String singular) {
    return n2(l(a), singular);
  }

  public static String n2(Object[] a, String singular, String plural) {
    return n_fancy2(a, singular, plural);
  }

  public static List collect(Collection c, String field) {
    return collectField(c, field);
  }

  public static List collect(String field, Collection c) {
    return collectField(c, field);
  }

  public static void sleepInCleanUp(long ms) {
    try {
      if (ms < 0)
        return;
      Thread.sleep(ms);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public 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 (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String md5(String text) {
    try {
      if (text == null)
        return "-";
      return bytesToHex(md5_impl(toUtf8(text)));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String md5(byte[] data) {
    if (data == null)
      return "-";
    return bytesToHex(md5_impl(data));
  }

  public static MessageDigest md5_md;

  public static byte[] md5_impl(byte[] data) {
    try {
      return MessageDigest.getInstance("MD5").digest(data);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String md5(File file) {
    return md5OfFile(file);
  }

  public static String fileNameEncode_safeChars = " ()[]#,!";

  public static String fileNameEncode(String s) {
    StringBuilder buf = new StringBuilder();
    int n = l(s);
    for (int i = 0; i < n; i++) {
      char c = s.charAt(i);
      if (contains(fileNameEncode_safeChars, c))
        buf.append(c);
      else
        buf.append(urlencode(str(c)));
    }
    return str(buf);
  }

  public static long toLong(Object o) {
    if (o instanceof Number)
      return ((Number) o).longValue();
    if (o instanceof String)
      return parseLong((String) o);
    return 0;
  }

  public static Map<String, String> mechMap(String listName) {
    return mechMapCI(listName);
  }

  public static Set<String> hotwire_classesToShare = synchroSet();

  public static Set<String> hotwire_classesToShare() {
    return hotwire_classesToShare;
  }

  public static ClassLoader myClassLoader() {
    return _getClass(mc()).getClassLoader();
  }

  public static boolean transpileRaw_silent = true;

  public static boolean transpileRaw_useDiskCache;

  public static String transpileRaw(String mainJava) {
    return (String) call(dm_transpiler(), "transpileRaw", mainJava, false, transpileRaw_useDiskCache);
  }

  public static <A> A setThreadLocal(ThreadLocal<A> tl, A value) {
    if (tl == null)
      return null;
    A old = tl.get();
    tl.set(value);
    return old;
  }

  public static File replaceExtension(File f, String extOld, String extNew) {
    return newFile(replaceExtension(f2s(f), extOld, extNew));
  }

  public static File replaceExtension(File f, String extNew) {
    return replaceExtension(f, fileExtension(f), extNew);
  }

  public static String replaceExtension(String s, String extOld, String extNew) {
    s = dropSuffixIC(addPrefixOptIfNempty(".", extOld), s);
    return s + addPrefixOptIfNempty(".", extNew);
  }

  public static String replaceExtension(String name, String extNew) {
    return replaceExtension(name, fileExtension(name), extNew);
  }

  public static File dirOfFile(File f) {
    return f == null ? null : f.getParentFile();
  }

  public static boolean checkCondition(Object condition, Object... args) {
    return isTrue(callF(condition, args));
  }

  public static <A, B extends A> void copyListPart(List<B> a, int i1, List<A> b, int i2, int n) {
    if (a == null || b == null)
      return;
    for (int i = 0; i < n; i++) b.set(i2 + i, a.get(i1 + i));
  }

  public static String formatWithThousands(long l) {
    return formatWithThousandsSeparator(l);
  }

  public static double fraction(double d) {
    return d % 1;
  }

  public static String n_fancy2(long l, String singular, String plural) {
    return formatWithThousandsSeparator(l) + " " + trim(l == 1 ? singular : plural);
  }

  public static String n_fancy2(Collection l, String singular, String plural) {
    return n_fancy2(l(l), singular, plural);
  }

  public static String n_fancy2(Map m, String singular, String plural) {
    return n_fancy2(l(m), singular, plural);
  }

  public static String n_fancy2(Object[] a, String singular, String plural) {
    return n_fancy2(l(a), singular, plural);
  }

  public static List collectField(Collection c, String field) {
    List l = new ArrayList();
    if (c != null)
      for (Object a : c) l.add(getOpt(a, field));
    return l;
  }

  public static List collectField(String field, Collection c) {
    return collectField(c, field);
  }

  public static boolean md5OfFile_verbose;

  public static String md5OfFile(String path) {
    return md5OfFile(newFile(path));
  }

  public static String md5OfFile(File f) {
    try {
      if (!f.exists())
        return "-";
      if (md5OfFile_verbose)
        print("Getting MD5 of " + f);
      MessageDigest md5 = MessageDigest.getInstance("MD5");
      FileInputStream in = new FileInputStream(f);
      try {
        byte[] buf = new byte[65536];
        int l;
        while (true) {
          l = in.read(buf);
          if (l <= 0)
            break;
          md5.update(buf, 0, l);
        }
        return bytesToHex(md5.digest());
      } finally {
        _close(in);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Map<String, Pair<String, Map<String, String>>> mechMapCI_cache = synchroMap();

  public static Map<String, String> mechMapCI(String listName) {
    Pair<String, Map<String, String>> p = mechMapCI_cache.get(listName);
    String text = mechList_raw(listName);
    if (p != null && eq(p.a, text))
      return p.b;
    String parsing = first(mechList_opt(listName + " | Parsing"));
    Map<String, String> map;
    if (parsing == null)
      map = parseDoubleArrowMapCI(tlft(text));
    else
      map = asCIMap((Map<String, String>) callAndMake(parsing, text));
    p = pair(text, map);
    mechMapCI_cache.put(listName, p);
    return p.b;
  }

  public static <A> Set<A> synchroSet() {
    return synchroHashSet();
  }

  public static <A> Set<A> synchroSet(Set<A> set) {
    return Collections.synchronizedSet(set);
  }

  public static Object dm_transpiler() {
    return dm_getModule(dm_requireModule("#1017065/Transpiler"));
  }

  public static String fileExtension(File f) {
    if (f == null)
      return null;
    return fileExtension(f.getName());
  }

  public static String fileExtension(String s) {
    return substring(s, smartLastIndexOf(s, '.'));
  }

  public static String dropSuffixIC(String suffix, String s) {
    return s == null ? null : ewic(s, suffix) ? s.substring(0, l(s) - l(suffix)) : s;
  }

  public static String addPrefixOptIfNempty(String prefix, String s) {
    return addPrefixIfNotEmpty2(prefix, s);
  }

  public static Map<String, String> parseDoubleLeftArrowMapCI_tlft(String s) {
    return parseDoubleLeftArrowMapCI(tlft(s));
  }

  public static String formatWithThousandsSeparator(long l) {
    return NumberFormat.getInstance(new Locale("en_US")).format(l);
  }

  public static ExpiringMap2<String, String> mechList_raw_cache = new ExpiringMap2(10000).setMap(ciMap());

  public static Lock mechList_raw_lock = lock();

  public static int mechList_raw_timeout = 60000;

  public static String mechList_raw(String name) {
    try {
      Lock __583 = mechList_raw_lock;
      lock(__583);
      try {
        if (empty(name))
          return "";
        String src = mechList_raw_cache.get(name);
        if (src != null)
          return src;
        AutoCloseable __584 = tempSetThreadLocal(loadPage_forcedTimeout_byThread, mechList_raw_timeout);
        try {
          src = mechList_raw_fresh(name);
          if (src != null)
            mechList_raw_cache.put(name, src);
          return src;
        } finally {
          _close(__584);
        }
      } finally {
        unlock(__583);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static VF2<String, Object> mechList_raw_listener = new VF2<String, Object>() {

    public void get(String msg, Object arg) {
      try {
        if (eq(msg, "mechChange") && arg instanceof String) {
          mechList_raw_cache.remove((String) arg);
        }
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public String toString() {
      return "if (eq(msg, 'mechChange) && arg instanceof S) {\r\n    //print(\"Got change noti...";
    }
  };

  public static void _onLoad_mechList_raw() {
    add(vm_busListeners_live(), mechList_raw_listener);
  }

  public static void cleanMeUp_mechList_raw() {
    remove(vm_busListeners_live(), mechList_raw_listener);
  }

  public static List<String> mechList_opt(String name) {
    return mechList_opt_tlft(name);
  }

  public static Map<String, String> parseDoubleArrowMapCI(List<String> l) {
    return parseDoubleArrowMap((Map) ciMap(), l);
  }

  public static <B> TreeMap<String, B> asCIMap(Map<String, B> map) {
    return asCaseInsensitiveMap(map);
  }

  public static String addPrefixIfNotEmpty2(String prefix, String s) {
    return empty(s) ? "" : addPrefix(prefix, s);
  }

  public static Map<String, String> parseDoubleLeftArrowMapCI(List<String> l) {
    return parseDoubleLeftArrowMap((Map) ciMap(), l);
  }

  public static String mechList_raw_fresh(String name) {
    return mechList_opt_raw_fresh(name);
  }

  public static <A> void remove(List<A> l, int i) {
    if (l != null && i >= 0 && i < l(l))
      l.remove(i);
  }

  public static <A> void remove(Collection<A> l, A a) {
    if (l != null)
      l.remove(a);
  }

  public static List<String> mechList_opt_tlft(String name) {
    return tlft(mechList_opt_raw(name));
  }

  public static Map<String, String> parseDoubleArrowMap(Map<String, String> map, List<String> l) {
    for (String s : l) {
      List<String> x = splitAtDoubleArrow_bothDirections(s);
      if (l(x) == 2)
        map.put(first(x), second(x));
    }
    return map;
  }

  public static <B> TreeMap<String, B> asCaseInsensitiveMap(Map<String, B> map) {
    if (isCIMap(map))
      return (TreeMap) map;
    TreeMap<String, B> m = ciMap();
    m.putAll(map);
    return m;
  }

  public static String addPrefix(String prefix, String s) {
    return s.startsWith(prefix) ? s : prefix + s;
  }

  public static Map<String, String> parseDoubleLeftArrowMap(Map<String, String> map, List<String> l) {
    for (String s : l) {
      List<String> x = splitAtDoubleLeftArrow(s);
      if (l(x) == 2)
        map.put(second(x), first(x));
    }
    return map;
  }

  public static String mechList_opt_raw_fresh(String name) {
    Object readMode = mechMode().readMode;
    if (readMode instanceof File) {
      String md5Name = uniqueFileNameUsingMD5_80_v2(upper(name));
      return loadTextFileFromZipFile((File) readMode, md5Name);
    }
    boolean useLocal = false, useRemote = true;
    if (eq(readMode, "mergeLocalAndRemote"))
      useLocal = true;
    else if (eq(readMode, "local")) {
      useLocal = true;
      useRemote = false;
    }
    String s = "";
    if (useRemote) {
      if (eq(mechMode().readMode, "localCopies"))
        s = unnull(loadTextFile(remoteMechListMirrorFile(name)));
      else
        s = serverMechList_raw_fresh(name, true);
    }
    if (useLocal)
      s = appendNewLineIfNempty(s) + localMechList_opt_raw_fresh(name);
    return s;
  }

  public static String mechList_opt_raw(String name) {
    try {
      Lock __967 = mechList_raw_lock;
      lock(__967);
      try {
        if (mechList_goToCreator() || eq(mechMode().readMode, "creator"))
          return (String) call(creator(), "mechList_opt_raw", name);
        String src = mechList_raw_cache.get(name);
        if (src != null)
          return src;
        src = mechList_opt_raw_fresh(name);
        mechList_raw_cache.put(name, unnull(src));
        return src;
      } finally {
        unlock(__967);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void _onLoad_mechList_opt_raw() {
    _registerAutoCloseable(vmBus_onMessage("mechList_clearCache", new VF1<String>() {

      public void get(String listName) {
        try {
          if (!isTrue(mechList_clearCache_inFunction.get()))
            mechList_clearCache_noSend(listName);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "if (!isTrue(mechList_clearCache_inFunction!))\r\n      mechList_clearCache_noSe...";
      }
    }));
  }

  public static List<String> splitAtDoubleArrow_bothDirections(String s) {
    return splitAtDoubleArrow_bothDirections(javaTok(s));
  }

  public static List<String> splitAtDoubleArrow_bothDirections(List<String> tok) {
    List<String> l = splitAtDoubleArrow(tok);
    if (l(l) != 2)
      l = reversedList(splitAtDoubleLeftArrow(tok));
    return l;
  }

  public static boolean isCIMap(Map m) {
    return m instanceof TreeMap && ((TreeMap) m).comparator() == caseInsensitiveComparator();
  }

  public static ThreadLocal<Boolean> mechList_clearCache_inFunction = new ThreadLocal();

  public static void mechList_clearCache(String listName) {
    {
      AutoCloseable __1023 = tempSetTL(mechList_clearCache_inFunction, true);
      try {
        print("Sending mech clear: " + listName);
        vmBus_send("mechList_clearCache", listName);
      } finally {
        _close(__1023);
      }
    }
    mechList_clearCache_noSend(listName);
  }

  public static void mechList_clearCache_noSend(String listName) {
    for (String field : mcFields()) if (startsWithEndsWith(field, "mech", "_cache")) {
      Object o = getOptMC(field);
      if (o instanceof Map)
        removeFromMapCI_sync((Map) o, listName);
    }
  }

  public static List<String> splitAtDoubleLeftArrow(String s) {
    return splitAtDoubleLeftArrow(javaTok(s));
  }

  public static List<String> splitAtDoubleLeftArrow(List<String> tok) {
    List<String> l = new ArrayList();
    int i = 0;
    while (i < l(tok)) {
      int j = indexOfSubList(tok, ll("<", "", "="), i);
      if (i >= l(tok))
        break;
      if (j < 0)
        j = l(tok);
      l.add(trimJoin(tok.subList(i, j)));
      i = j + 3;
    }
    return l;
  }

  public static MechMode mechMode_value = new MechMode();

  public static MechMode mechMode() {
    return mechMode_value;
  }

  public static String upper(String s) {
    return s == null ? null : s.toUpperCase();
  }

  public static char upper(char c) {
    return Character.toUpperCase(c);
  }

  public static String loadTextFileFromZipFile(File inZip, String fileName) {
    try {
      if (!fileExists(inZip))
        return null;
      try {
        ZipFile zip = new ZipFile(inZip);
        try {
          return loadTextFileFromZipFile(zip, fileName);
        } finally {
          _close(zip);
        }
      } catch (Throwable e) {
        throw fail(f2s(inZip), e);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadTextFileFromZipFile(ZipFile zip, String fileName) {
    try {
      ZipEntry entry = zip.getEntry(fileName);
      if (entry == null)
        return null;
      InputStream fin = zip.getInputStream(entry);
      try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        copyStream(fin, baos);
        return fromUTF8(baos.toByteArray());
      } finally {
        _close(fin);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static File remoteMechListMirrorFile(String listName) {
    return newFile(remoteMechListMirrorsDir(), uniqueFileNameUsingMD5_80_v2(upper(listName)));
  }

  public static boolean serverMechList_raw_fresh_verbose;

  public static String serverMechList_raw_fresh(String name) {
    return serverMechList_raw_fresh(name, false);
  }

  public static String serverMechList_raw_fresh(String name, boolean opt) {
    Lock __1272 = downloadLock();
    lock(__1272);
    try {
      String text = null;
      try {
        text = loadTextFile(remoteMechListMirrorFile(name));
      } catch (Throwable __e) {
        _handleException(__e);
      }
      Object[] params = muricaCredentialsPlus("md5", md5OrNull(text), "l", l(text), "opt", opt ? 1 : 0, "withStatus", 1);
      String url = "http://butter.botcompany.de:8080/mech/raw/list-text/" + urlencode(name);
      String page = postPageSilently(url, params);
      Map map = jsonDecodeMap(page);
      boolean same = eq(map.get("Same"), true);
      boolean appended = eq(map.get("Appended"), true);
      saveTextFile(remoteMechListMirrorMetaFile(name), struct(getMultipleKeys(map, "Name", "Status")));
      if (!same) {
        if (appended)
          text += (String) map.get("Text");
        else
          text = (String) map.get("Text");
        saveTextFile(remoteMechListMirrorFile(name), text);
        File nameFile = remoteMechListMirrorNameFile(name);
        if (!fileExists(nameFile)) {
          String actualName = or((String) map.get("Name"), name);
          saveTextFile(nameFile, actualName);
        }
      }
      if (serverMechList_raw_fresh_verbose)
        print("Mech list " + name + ": " + (appended ? "appended" : same ? "same" : "downloaded") + ": " + n2(countLines(text), "line"));
      if (!same)
        vmBus_send("remoteMechListMirrorChanged", name);
      return text;
    } finally {
      unlock(__1272);
    }
  }

  public static String appendNewLineIfNempty(String s) {
    return empty(s) ? "" : s + "\n";
  }

  public static String localMechList_opt_raw_fresh(String name) {
    return unnull(loadTextFile(localMechListFile(name)));
  }

  public static boolean mechList_goToCreator_dont;

  public static boolean mechList_goToCreator() {
    return eqOneOf(mechMode().readMode, null, "creator") && !mechList_goToCreator_dont && hasMethodNamed(creator(), "mechList_opt_raw");
  }

  public static Set<AutoCloseable> _registerAutoCloseable_set = synchroHashSet();

  public static void _registerAutoCloseable(AutoCloseable c) {
    addIfNotNull(_registerAutoCloseable_set, c);
  }

  public static void cleanMeUp__registerAutoCloseable() {
    closeAutoCloseables(getAndClearList(_registerAutoCloseable_set));
  }

  public static List<String> splitAtDoubleArrow(String s) {
    return splitAtDoubleArrow(javaTok(s));
  }

  public static List<String> splitAtDoubleArrow(List<String> tok) {
    List<String> l = new ArrayList();
    int i = 0;
    while (i < l(tok)) {
      int j = indexOfSubList(tok, ll("=", "", ">"), i);
      if (i >= l(tok))
        break;
      if (j < 0)
        j = l(tok);
      l.add(trimJoin(tok.subList(i, j)));
      i = j + 3;
    }
    return l;
  }

  public static <A> List<A> reversedList(Collection<A> l) {
    List<A> x = cloneList(l);
    Collections.reverse(x);
    return x;
  }

  public static Set<String> mcFields() {
    return staticFieldNames(mc());
  }

  public static boolean startsWithEndsWith(String s, String prefix, String suffix) {
    return startsWith(s, prefix) && endsWith(s, suffix);
  }

  public static Object getOptMC(String field) {
    return getOpt(mc(), field);
  }

  public static void removeFromMapCI_sync(Map<String, Object> map, String key) {
    if (map == null)
      return;
    synchronized (getMutex(map)) {
      for (String k : cloneList(keys(map))) if (eqic(key, k))
        map.remove(k);
    }
  }

  public static String trimJoin(List<String> s) {
    return trim(join(s));
  }

  public static boolean fileExists(String path) {
    return path != null && new File(path).exists();
  }

  public static boolean fileExists(File f) {
    return f != null && f.exists();
  }

  public static String fromUTF8(byte[] bytes) {
    return fromUtf8(bytes);
  }

  public static File remoteMechListMirrorsDir() {
    return javaxDataDir("Remote Mech Lists");
  }

  public static Object[] muricaCredentialsPlus(Object... params) {
    return concatArrays(muricaCredentials(), params);
  }

  public static String md5OrNull(String s) {
    return s == null ? null : md5(s);
  }

  public static String postPageSilently(String url, Object... params) {
    return doPostSilently(litmap(params), url);
  }

  public static Map jsonDecodeMap(String s) {
    Object o = jsonDecode(s);
    if (o instanceof List && empty((List) o))
      return new HashMap();
    if (o instanceof Map)
      return (Map) o;
    else
      throw fail("Not a JSON map: " + s);
  }

  public static File remoteMechListMirrorMetaFile(String listName) {
    return javaxDataDir("Remote Mech Lists/" + uniqueFileNameUsingMD5_80_v2(upper(listName)) + ".meta");
  }

  public static <A, B> Map<A, B> getMultipleKeys(Map<A, B> map, A... keys) {
    Map<A, B> map2 = similarEmptyMap(map);
    if (map != null)
      for (A key : keys) map2.put(key, map.get(key));
    return map2;
  }

  public static File remoteMechListMirrorNameFile(String listName) {
    return javaxDataDir("Remote Mech Lists/" + uniqueFileNameUsingMD5_80_v2(upper(listName)) + ".name");
  }

  public static int countLines(String s) {
    return l(toLines(s));
  }

  public static File localMechListFile(String listName) {
    return newFile(localMechListsDir(), uniqueFileNameUsingMD5_80_v2(listName) + ".text");
  }

  public static boolean hasMethodNamed(Object obj, String method) {
    if (obj == null)
      return false;
    if (obj instanceof Class)
      return hasMethodNamed((Class) obj, method);
    return hasMethodNamed(obj.getClass(), method);
  }

  public static boolean hasMethodNamed(Class c, String method) {
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) if (m.getName().equals(method))
        return true;
      c = c.getSuperclass();
    }
    return false;
  }

  public static <A> void addIfNotNull(Collection<A> l, A a) {
    if (a != null && l != null)
      l.add(a);
  }

  public static void closeAutoCloseables(Collection<AutoCloseable> l) {
    if (l != null)
      for (AutoCloseable c : l) {
        try {
          c.close();
        } catch (Throwable __e) {
          _handleException(__e);
        }
      }
  }

  public static <A> List<A> getAndClearList(Collection<A> l) {
    if (l == null)
      return emptyList();
    synchronized (collectionMutex(l)) {
      List<A> out = cloneList(l);
      l.clear();
      return out;
    }
  }

  public static Set<String> staticFieldNames(Object o) {
    TreeSet<String> fields = new TreeSet();
    Class _c = _getClass(o);
    do {
      for (Field f : _c.getDeclaredFields()) if ((f.getModifiers() & Modifier.STATIC) != 0)
        fields.add(f.getName());
      _c = _c.getSuperclass();
    } while (_c != null);
    return fields;
  }

  public static Object getMutex(Object o) {
    return collectionMutex(o);
  }

  public static String fromUtf8(byte[] bytes) {
    try {
      return new String(bytes, "UTF-8");
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String doPostSilently(Map urlParameters, String url) {
    return doPostSilently(makePostData(urlParameters), url);
  }

  public static String doPostSilently(String urlParameters, String url) {
    doPost_silently.set(true);
    return doPost(urlParameters, url);
  }

  public static boolean jsonDecode_useOrderedMaps = true;

  public static Object jsonDecode(final String text) {
    final List<String> tok = jsonTok(text);
    if (l(tok) == 1)
      return null;
    class Y {

      public int i = 1;

      public Object parse() {
        String t = tok.get(i);
        if (t.startsWith("\"")) {
          String s = unquote(tok.get(i));
          i += 2;
          return s;
        }
        if (t.equals("{"))
          return parseMap();
        if (t.equals("["))
          return this.parseList();
        if (t.equals("null")) {
          i += 2;
          return null;
        }
        if (t.equals("false")) {
          i += 2;
          return false;
        }
        if (t.equals("true")) {
          i += 2;
          return true;
        }
        boolean minus = false;
        if (t.equals("-")) {
          minus = true;
          i += 2;
          t = get(tok, i);
        }
        if (isInteger(t)) {
          i += 2;
          if (eq(get(tok, i), ".")) {
            String x = t + "." + get(tok, i + 2);
            i += 4;
            double d = parseDouble(x);
            if (minus)
              d = -d;
            return d;
          } else {
            long l = parseLong(t);
            if (minus)
              l = -l;
            return l != (int) l ? new Long(l) : new Integer((int) l);
          }
        }
        throw new RuntimeException("Unknown token " + (i + 1) + ": " + t + ": " + text);
      }

      public Object parseList() {
        consume("[");
        List list = new ArrayList();
        while (!tok.get(i).equals("]")) {
          list.add(parse());
          if (tok.get(i).equals(","))
            i += 2;
        }
        consume("]");
        return list;
      }

      public Object parseMap() {
        consume("{");
        Map map = jsonDecode_useOrderedMaps ? new LinkedHashMap() : new TreeMap();
        while (!tok.get(i).equals("}")) {
          String key = unquote(tok.get(i));
          i += 2;
          consume(":");
          Object value = parse();
          map.put(key, value);
          if (tok.get(i).equals(","))
            i += 2;
        }
        consume("}");
        return map;
      }

      public void consume(String s) {
        if (!tok.get(i).equals(s)) {
          String prevToken = i - 2 >= 0 ? tok.get(i - 2) : "";
          String nextTokens = join(tok.subList(i, Math.min(i + 4, tok.size())));
          throw fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");
        }
        i += 2;
      }
    }
    return new Y().parse();
  }

  public static File localMechListsDir() {
    return javaxDataDir("Mech Lists");
  }

  public static ThreadLocal<Boolean> doPost_silently = new ThreadLocal();

  public static ThreadLocal<Long> doPost_timeout = new ThreadLocal();

  public static String doPost(Map urlParameters, String url) {
    return doPost(makePostData(urlParameters), url);
  }

  public static String doPost(String urlParameters, String url) {
    try {
      URL _url = new URL(url);
      ping();
      return doPost(urlParameters, _url.openConnection(), _url);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String doPost(String urlParameters, URLConnection conn, URL url) {
    try {
      boolean silently = isTrue(optParam(doPost_silently));
      Long timeout = optParam(doPost_timeout);
      setHeaders(conn);
      int l = lUtf8(urlParameters);
      if (!silently)
        print("Sending POST request: " + hideCredentials(url) + " (" + l + " bytes)");
      if (timeout != null)
        setURLConnectionTimeouts(conn, timeout);
      ((HttpURLConnection) conn).setRequestMethod("POST");
      conn.setDoOutput(true);
      conn.setRequestProperty("Content-Length", str(l));
      OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
      writer.write(urlParameters);
      writer.flush();
      loadPage_charset.set("UTF-8");
      String contents = loadPage(conn, url, false);
      writer.close();
      return contents;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<String> jsonTok(String s) {
    List<String> tok = new ArrayList();
    int l = l(s);
    int i = 0;
    while (i < l) {
      int j = i;
      char c;
      String cc;
      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);
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener) {
            ++j;
            break;
          } else if (s.charAt(j) == '\\' && j + 1 < l)
            j += 2;
          else
            ++j;
        }
      } else if (Character.isLetter(c))
        do ++j; while (j < l && Character.isLetter(s.charAt(j)));
      else if (Character.isDigit(c))
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      else
        ++j;
      tok.add(s.substring(i, j));
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    return tok;
  }

  public static int lUtf8(String s) {
    return l(utf8(s));
  }

  public static final class _MethodCache {

    public final Class c;

    public final HashMap<String, List<Method>> cache = new HashMap();

    public _MethodCache(Class c) {
      this.c = c;
      _init();
    }

    public void _init() {
      Class _c = c;
      while (_c != null) {
        for (Method m : _c.getDeclaredMethods()) {
          m.setAccessible(true);
          multiMapPut(cache, m.getName(), m);
        }
        _c = _c.getSuperclass();
      }
    }

    public Method findMethod(String method, Object[] args) {
      try {
        List<Method> m = cache.get(method);
        if (m == null)
          return null;
        int n = m.size();
        for (int i = 0; i < n; i++) {
          Method me = m.get(i);
          if (call_checkArgs(me, args, false))
            return me;
        }
        return null;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }
  }

  public static class GazelleEvalContext {

    public RuleEngine2 engine;

    public Map<String, ai_gazelle_analyzeStatementsForRule_Data> dataByRule;

    public Set<String> linesSet;

    public transient List onNewNode;

    public GazelleEvalContext() {
      gazelle_addSharedClasses();
    }
  }

  public abstract static class VF2<A, B> {

    public abstract void get(A a, B b);
  }

  public static class GazelleTree {

    public List<GazelleTree> children;

    public GazelleTree parent;

    public double weight = 1, totalWeight;

    public String line, lineType;

    public String prediction, judgement;

    public RuleEngine2_MatchedRule mr;

    public boolean isSplitNode;

    public transient GazelleEvalContext ctx;

    public GazelleTree() {
    }

    public GazelleTree(String line) {
      this.line = line;
    }

    public GazelleTree(GazelleEvalContext ctx, String line) {
      this.line = line;
      this.ctx = ctx;
    }

    public String toString() {
      List<String> l = new ArrayList();
      if (mr != null)
        for (String s : unnull(mr.remainingConditions)) l.add("if: " + s);
      addIfNempty(l, prediction);
      if (mr != null)
        l.add(mr.qualitySum() + " / " + formatDouble(mr.relativeQuality(), 2));
      return (isSplitNode ? "[split] " : "") + line + appendSquareBracketed(joinWithComma(l));
    }

    public List<String> history() {
      List<String> l = new ArrayList();
      GazelleTree e = this;
      while (e != null) {
        l.add(e.line);
        e = e.parent;
      }
      return reversed(l);
    }

    public void add(GazelleTree child) {
      if (children == null)
        children = new ArrayList();
      child.parent = this;
      child.setContext(ctx);
      children.add(child);
    }

    public void setContext(GazelleEvalContext ctx) {
      this.ctx = ctx;
      pcallFAll(ctx.onNewNode, this);
      _add(ctx.linesSet, line);
    }

    public RuleEngine2.Rule rule() {
      return mr == null ? null : mr.rule;
    }

    public String ruleID() {
      return rule() == null ? null : rule().globalID;
    }

    public Map<String, String> varMap() {
      return mr == null ? null : mr.map;
    }
  }

  public static class Var<A> implements IVar<A> {

    public A v;

    public Var() {
    }

    public Var(A v) {
      this.v = v;
    }

    public synchronized void set(A a) {
      if (v != a) {
        v = a;
        notifyAll();
      }
    }

    public synchronized A get() {
      return v;
    }

    public synchronized boolean has() {
      return v != null;
    }

    public synchronized void clear() {
      v = null;
    }

    public String toString() {
      return str(get());
    }
  }

  public abstract static class TokCondition {

    public abstract boolean get(List<String> tok, int i);
  }

  public abstract static class LiveValue<A> {

    public abstract Class<A> getType();

    public abstract A get();

    public abstract void onChange(Runnable l);

    public abstract void removeOnChangeListener(Runnable l);

    public void onChangeAndNow(Runnable l) {
      onChange(l);
      callF(l);
    }
  }

  public static class RightAlignedLine extends JPanel {

    public RightAlignedLine(Component... components) {
      setLayout(LetterLayout.rightAlignedRow());
      for (Component component : components) add(component);
    }

    public void add(String text) {
      add(new JLabel(text));
    }
  }

  public static class MultiMap<A, B> {

    public Map<A, List<B>> data = new HashMap<A, List<B>>();

    public MultiMap() {
    }

    public MultiMap(boolean useTreeMap) {
      if (useTreeMap)
        data = new TreeMap();
    }

    public MultiMap(MultiMap<A, B> map) {
      putAll(map);
    }

    public MultiMap(Map<A, List<B>> data) {
      this.data = data;
    }

    public void put(A key, B value) {
      synchronized (data) {
        List<B> list = data.get(key);
        if (list == null)
          data.put(key, list = _makeEmptyList());
        list.add(value);
      }
    }

    public void addAll(A key, Collection<B> values) {
      synchronized (data) {
        putAll(key, values);
      }
    }

    public void addAllIfNotThere(A key, Collection<B> values) {
      synchronized (data) {
        for (B value : values) setPut(key, value);
      }
    }

    public void setPut(A key, B value) {
      synchronized (data) {
        if (!containsPair(key, value))
          put(key, value);
      }
    }

    public boolean containsPair(A key, B value) {
      synchronized (data) {
        return get(key).contains(value);
      }
    }

    public void putAll(A key, Collection<B> values) {
      synchronized (data) {
        for (B value : values) put(key, value);
      }
    }

    public void removeAll(A key, Collection<B> values) {
      synchronized (data) {
        for (B value : values) remove(key, value);
      }
    }

    public List<B> get(A key) {
      synchronized (data) {
        List<B> list = data.get(key);
        return list == null ? Collections.<B>emptyList() : list;
      }
    }

    public List<B> getActual(A key) {
      synchronized (data) {
        List<B> list = data.get(key);
        if (list == null)
          data.put(key, list = _makeEmptyList());
        return list;
      }
    }

    public void clean(A key) {
      synchronized (data) {
        List<B> list = data.get(key);
        if (list != null && list.isEmpty())
          data.remove(key);
      }
    }

    public Set<A> keySet() {
      synchronized (data) {
        return data.keySet();
      }
    }

    public Set<A> keys() {
      synchronized (data) {
        return data.keySet();
      }
    }

    public void remove(A key) {
      synchronized (data) {
        data.remove(key);
      }
    }

    public void remove(A key, B value) {
      synchronized (data) {
        List<B> list = data.get(key);
        if (list != null) {
          list.remove(value);
          if (list.isEmpty())
            data.remove(key);
        }
      }
    }

    public void clear() {
      synchronized (data) {
        data.clear();
      }
    }

    public boolean containsKey(A key) {
      synchronized (data) {
        return data.containsKey(key);
      }
    }

    public B getFirst(A key) {
      synchronized (data) {
        List<B> list = get(key);
        return list.isEmpty() ? null : list.get(0);
      }
    }

    public void addAll(MultiMap<A, B> map) {
      putAll(map);
    }

    public void putAll(MultiMap<A, B> map) {
      synchronized (data) {
        for (A key : map.keySet()) putAll(key, map.get(key));
      }
    }

    public int keysSize() {
      synchronized (data) {
        return l(data);
      }
    }

    public int size() {
      synchronized (data) {
        int n = 0;
        for (List l : data.values()) n += l(l);
        return n;
      }
    }

    public List<A> reverseGet(B b) {
      synchronized (data) {
        List<A> l = new ArrayList();
        for (A key : data.keySet()) if (data.get(key).contains(b))
          l.add(key);
        return l;
      }
    }

    public Map<A, List<B>> asMap() {
      synchronized (data) {
        return cloneMap(data);
      }
    }

    public boolean isEmpty() {
      synchronized (data) {
        return data.isEmpty();
      }
    }

    public List<B> _makeEmptyList() {
      return new ArrayList();
    }

    public Collection<List<B>> allLists() {
      synchronized (data) {
        return new ArrayList(data.values());
      }
    }

    public List<B> allValues() {
      return concatLists(values(data));
    }

    public Object mutex() {
      return data;
    }

    public String toString() {
      return "mm" + str(data);
    }
  }

  public static class SimpleLiveValue<A> extends LiveValue<A> {

    public Class<A> type;

    public volatile A value;

    public transient List onChange = synchroList();

    public SimpleLiveValue(Class<A> type) {
      this.type = type;
    }

    public SimpleLiveValue(Class<A> type, A value) {
      this.value = value;
      this.type = type;
    }

    public Class<A> getType() {
      return type;
    }

    public A get() {
      return value;
    }

    public void onChange(Runnable l) {
      onChange.add(l);
    }

    public void onChangeAndNow(Runnable l) {
      onChange(l);
      callF(l);
    }

    public void removeOnChangeListener(Runnable l) {
      onChange.remove(l);
    }

    public void fireChanged() {
      pcallFAll(onChange);
    }

    public void set(A a) {
      if (neq(value, a)) {
        value = a;
        fireChanged();
      }
    }
  }

  public static class RuleEngine2 {

    public static class SimplifyWithRule extends Rule {

      public transient Object _function;

      public boolean isSplitRule;

      public boolean callOnTree;

      public Object function() {
        if (_function == null) {
          gazelle_parseInstruction(this);
          assertNotNull(_function);
        }
        return _function;
      }
    }

    public abstract static class QuickCheck {

      public abstract boolean check(String input);
    }

    public static class CicQuickCheck extends QuickCheck {

      public String string;

      public boolean check(String input) {
        return cic(input, string);
      }
    }

    public static class Rule {

      public String globalID;

      public List<String> in;

      public String out;

      public List<String> comments;

      public Set<String> vars;

      public List<TextAndType> insWithType;

      public String text;

      public QuickCheck applicabilityQuickCheck;

      public Object massageMap;

      public String asText() {
        if (l(in) > 1 && eq(last(in), out))
          return join(" \n+ ", dropLast(in)) + " \n+=> " + out;
        return join(" \n+ ", in) + " \n=> " + out;
      }
    }

    public int minScore = 50;

    public int maxLevel = 100, maxOutLines = 10000;

    public List<Rule> rules = new ArrayList();

    public boolean printMappings, printGroupedData, printRejectedVars;

    public Set<String> facts = ciSet();

    public transient F2<String, String, Object> callFunctionOnString = new F2<String, String, Object>() {

      public Object get(String function, String s) {
        try {
          return callAndMake(function, s);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "callAndMake(function, s)";
      }
    };

    public RuleEngine2() {
    }

    public RuleEngine2(List<Pair<String, String>> rulesWithComments) {
      for (Pair<String, String> p : unnull(rulesWithComments)) addRule(p.a, splitAtDoubleArrow_pair(p.a), p.b, null);
    }

    public void addRules2(List<T3<String, String, String>> rulesWithCommentsAndID) {
      Matches m = new Matches();
      for (T3<String, String, String> p : unnull(rulesWithCommentsAndID)) {
        Pair<String, String> p2 = splitAtDoubleArrow_pair(p.a);
        if (p2 != null) {
          addRule(p.a, p2, p.b, p.c);
          continue;
        }
        SimplifyWithRule r = new SimplifyWithRule();
        r.globalID = p.c;
        r.text = p.a;
        r.comments = lines(p.b);
        String s = p.a;
        gazelle_parseInstruction(r);
        if (r._function == null)
          continue;
        rules.add(r);
      }
    }

    public void addRule(String text, Pair<String, String> rule, String comments, String globalID) {
      if (rule == null)
        return;
      rule = ai_rule_pair_expandPlusArrow(rule);
      List<String> conditions = tok_splitAtPlusAtBeginningOfLine(rule.a);
      Rule r = new Rule();
      r.globalID = globalID;
      r.text = text;
      r.comments = lines(comments);
      r.in = conditions;
      r.insWithType = map(conditions, new F1<String, TextAndType>() {

        public TextAndType get(String s) {
          try {
            return new TextAndType(s, "standard");
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "TextAndType(s, \"standard\")";
        }
      });
      if (jmatchAny(ll("in = dialog", "fact + event => replacement fact"), r.comments))
        for (int i = 0; i < l(r.insWithType); i++) r.insWithType.get(i).type = "dialog-" + (l(r.insWithType) - i);
      r.out = rule.b;
      r.vars = ai_wordsInBothSidesOfPair_uncurly(rule);
      rules.add(r);
    }

    public List<String> addFacts(Collection<String> facts) {
      return addAllAndReturnNew(this.facts, facts);
    }

    public void addFact(String fact) {
      facts.add(fact);
    }

    public void addAndInterpretFacts(Collection<String> facts) {
      addFacts(recursiveInterpretations(addFacts(facts)));
    }

    public void processInput(String input) {
      print("\nInput: " + tok_dropCurlyBrackets(input));
      AutoCloseable __13 = tempIndent();
      try {
        for (String in : interpretations(input)) {
          print("\nInterpretation: " + formatForUser(in));
          Set<String> out = litciset();
          interpretRecursively(in, 5, out);
        }
      } finally {
        _close(__13);
      }
    }

    public Set<String> recursiveInterpretations(String in) {
      return recursiveInterpretations(ll(in));
    }

    public Set<String> recursiveInterpretations(Iterable<String> in) {
      Set<String> inSet = asCISet(in);
      Set<String> out = litciset();
      LinkedHashSet<String> queue = new LinkedHashSet();
      addAll(queue, inSet);
      while (l(out) < maxOutLines && nempty(queue)) {
        List<String> intp = interpretations(popFirst(queue));
        for (String i : intp) if (!inSet.contains(i) && !out.contains(i)) {
          out.add(i);
          queue.add(i);
          if (l(out) >= maxOutLines)
            break;
        }
      }
      return out;
    }

    public void interpretRecursively(String input, int level, Set<String> out) {
      if (level <= 0)
        return;
      List<String> interpretations = interpretations(input);
      AutoCloseable __14 = tempIndent();
      try {
        for (String in : addAllAndReturnNew(out, interpretations)) {
          print(" => " + formatForUser(in));
          for (String s : lithashset(in, ai_superSimpleVerbCorrector(in))) interpretRecursively(s, level - 1, out);
        }
      } finally {
        _close(__14);
      }
    }

    public List<String> defaultParse(String s) {
      return codeTokens_lazy_uncurly(javaTokNPunctuationWithBrackets_cached(s));
    }

    public List<String> interpretations(String input) {
      List<String> tokI = defaultParse(input);
      List<String> interpretations = new ArrayList();
      for (Rule rule : rules) {
        {
          if (!(l(rule.in) == 1))
            continue;
        }
        List<String> tokR = defaultParse(first(rule.in));
        final Map<String, String> map = ciMapWithoutKeysEqualToValues(zipTwoListsToCIMap_strict(tokR, tokI));
        if (map == null)
          continue;
        int score = l(tokR) - l(map);
        List<String> nonVars = withoutDollarVars(listMinusSet(keys(map), rule.vars));
        if (printRejectedVars && nempty(nonVars))
          print("Rejected vars: " + nonVars);
        if (nempty(nonVars))
          score = 0;
        int percentScore = ratioToIntPercent(score, l(tokR));
        if (printMappings)
          print("  " + percentScore + "% " + reverseMapCI_joinDuplicatesWithPlus(map) + " | " + rule.in);
        if (percentScore < minScore)
          continue;
        String c = rule.out;
        c = join(mapCodeTokens(javaTok(c), new F1<String, String>() {

          public String get(String s) {
            try {
              return getOrKeep_tryUncurlied(map, s);
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "getOrKeep_tryUncurlied(map, s)";
          }
        }));
        c = join(mapCodeTokens(javaTokWithBrackets(c), new F1<String, String>() {

          public String get(String s) {
            try {
              return getOrKeep_tryUncurlied(map, s);
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "getOrKeep_tryUncurlied(map, s)";
          }
        }));
        interpretations.add(c);
      }
      return interpretations;
    }

    public String formatForUser(String s) {
      return (tok_dropCurlyBrackets(s));
    }

    public List<Pair<List<String>, String>> rulesAsPairs() {
      return map(rules, new F1<Rule, Pair<List<String>, String>>() {

        public Pair<List<String>, String> get(Rule r) {
          try {
            return pair(r.in, r.out);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "pair(r.in, r.out)";
        }
      });
    }

    public List<SimplifyWithRule> splitterRules() {
      return (List) filter(rules, new F1<Rule, Boolean>() {

        public Boolean get(Rule r) {
          try {
            return r instanceof SimplifyWithRule && ((SimplifyWithRule) r).isSplitRule;
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "r instanceof SimplifyWithRule && ((SimplifyWithRule) r).isSplitRule";
        }
      });
    }

    public void dropRulesWhere(IF1<Rule, Boolean> pred) {
      rules = antiFilter(pred, rules);
    }
  }

  public static class Lowest<A> {

    public A best;

    public double score;

    public transient Object onChange;

    public synchronized boolean isNewBest(double score) {
      return best == null || score < this.score;
    }

    public synchronized double bestScore() {
      return best == null ? Double.NaN : score;
    }

    public double score() {
      return bestScore();
    }

    public synchronized float floatScore() {
      return best == null ? Float.NaN : (float) score;
    }

    public synchronized float floatScoreOr(float defaultValue) {
      return best == null ? defaultValue : (float) score;
    }

    public boolean put(A a, double score) {
      boolean change = false;
      synchronized (this) {
        if (a != null && isNewBest(score)) {
          best = a;
          this.score = score;
          change = true;
        }
      }
      if (change)
        pcallF(onChange);
      return change;
    }

    public synchronized A get() {
      return best;
    }

    public synchronized boolean has() {
      return best != null;
    }
  }

  public static class TextAndType {

    public String text;

    public String type;

    public TextAndType() {
    }

    public TextAndType(String text, String type) {
      this.type = type;
      this.text = text;
    }

    public String toString() {
      return "TextAndType(" + text + ", " + type + ")";
    }

    public boolean equals(Object o) {
      if (!(o instanceof TextAndType))
        return false;
      TextAndType x = (TextAndType) (o);
      return eq(text, x.text) && eq(type, x.type);
    }

    public int hashCode() {
      int h = -34343004;
      h = h * 2 + _hashCode(text);
      h = h * 2 + _hashCode(type);
      return h;
    }
  }

  public static class ReliableSingleThread implements Runnable {

    public Object runnable;

    public boolean trigger;

    public Thread thread;

    public String name = "Single Thread";

    public F0<AutoCloseable> enter;

    public ReliableSingleThread(Object runnable) {
      this.runnable = runnable;
    }

    public void trigger() {
      go();
    }

    public synchronized void go() {
      trigger = true;
      if (!running()) {
        AutoCloseable __54 = callF(enter);
        try {
          thread = startThread(name, new Runnable() {

            public void run() {
              try {
                _run();
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "_run();";
            }
          });
        } finally {
          _close(__54);
        }
      }
    }

    public void run() {
      go();
    }

    public void get() {
      go();
    }

    public synchronized boolean running() {
      return thread != null;
    }

    public void triggerAndWait() {
      trigger();
      while (running()) sleep(1);
    }

    public void _run() {
      while (licensed()) {
        synchronized (this) {
          if (!trigger) {
            thread = null;
            break;
          }
          trigger = false;
        }
        pcallF(runnable);
      }
    }

    public synchronized void cancel() {
      cancelAndInterruptThread(thread);
      thread = null;
    }
  }

  public static class CompilerBot {

    public static boolean verbose;

    public static File compileSnippet(String snippetID) {
      return compileSnippet(snippetID, "");
    }

    public static Pair<File, String> compileSnippet2(String snippetID) {
      return compileSnippet2(snippetID, "");
    }

    public static File compileSnippet(String snippetID, String javaTarget) {
      return compileSnippet2(snippetID, javaTarget).a;
    }

    public static Pair<File, String> compileSnippet2(String snippetID, String javaTarget) {
      String transpiledSrc = getServerTranspiled2(snippetID);
      int i = transpiledSrc.indexOf('\n');
      String libs = transpiledSrc.substring(0, Math.max(0, i));
      if (verbose)
        print("Compiling snippet: " + snippetID + ". Libs: " + libs);
      transpiledSrc = transpiledSrc.substring(i + 1);
      return pair(compile(transpiledSrc, libs, javaTarget, snippetID), transpiledSrc);
    }

    public static File compile(String src) {
      return compile(src, "");
    }

    public static File compile(String src, String libs) {
      return compile(src, libs, null);
    }

    public static File compile(String src, String dehlibs, String javaTarget) {
      return compile(src, dehlibs, javaTarget, null);
    }

    public static File compile(String src, String dehlibs, String javaTarget, String progID) {
      if (verbose)
        print("Compiling " + l(src) + " chars");
      String md5 = md5(dehlibs + "\n" + src + "\n" + progID);
      File jar = getJarFile(md5);
      if (jar == null || jar.length() <= 22) {
        List<String> mainClass = findMainClass(javaTok(src));
        boolean canRename = mainClass != null && useDummyMainClasses() && isSnippetID(progID) && !tok_classHasModifier(mainClass, "public");
        if (verbose)
          print("useRenaming: " + useDummyMainClasses() + ", canRename: " + canRename + ", progID: " + progID);
        javaCompileToJar_optionalRename(src, dehlibs, jar, canRename ? progID : null, progID);
      } else {
        if (verbose)
          print("Getting classes from cache (" + jar.getAbsolutePath() + ", " + jar.length() + " bytes)");
        touchFile(jar);
      }
      return jar;
    }

    public static File getJarFile(String md5) {
      assertTrue(isMD5(md5));
      return new File(getCacheProgramDir("#1002203"), md5 + ".jar");
    }
  }

  public static class T3<A, B, C> {

    public A a;

    public B b;

    public C c;

    public T3() {
    }

    public T3(A a, B b, C c) {
      this.c = c;
      this.b = b;
      this.a = a;
    }

    public T3(T3<A, B, C> t) {
      a = t.a;
      b = t.b;
      c = t.c;
    }

    public int hashCode() {
      return _hashCode(a) + 2 * _hashCode(b) - 4 * _hashCode(c);
    }

    public boolean equals(Object o) {
      if (o == this)
        return true;
      if (!(o instanceof T3))
        return false;
      T3 t = (T3) o;
      return eq(a, t.a) && eq(b, t.b) && eq(c, t.c);
    }

    public String toString() {
      return "(" + quoteBorderless(a) + ", " + quoteBorderless(b) + ", " + quoteBorderless(c) + ")";
    }
  }

  public static class Pair<A, B> implements Comparable<Pair<A, B>> {

    public A a;

    public B b;

    public Pair() {
    }

    public Pair(A a, B b) {
      this.b = b;
      this.a = a;
    }

    public int hashCode() {
      return hashCodeFor(a) + 2 * hashCodeFor(b);
    }

    public boolean equals(Object o) {
      if (o == this)
        return true;
      if (!(o instanceof Pair))
        return false;
      Pair t = (Pair) o;
      return eq(a, t.a) && eq(b, t.b);
    }

    public String toString() {
      return "<" + a + ", " + b + ">";
    }

    public int compareTo(Pair<A, B> p) {
      if (p == null)
        return 1;
      int i = ((Comparable<A>) a).compareTo(p.a);
      if (i != 0)
        return i;
      return ((Comparable<B>) b).compareTo(p.b);
    }
  }

  public static class RuleEngine2_MatchedRule {

    public String globalID = aGlobalID();

    public RuleEngine2.Rule rule;

    public int iCond;

    public Map<String, String> map;

    public Map<String, Integer> mappingQuality = new HashMap();

    public List<Pair<List<String>, List<String>>> matchedLines = new ArrayList();

    public String tokenizationFunction;

    public List<String> remainingConditions;

    public List<TextAndType> remainingConditionsWithType;

    public Integer qualitySum;

    public Integer nPossibleVars;

    public String out;

    public int qualitySum() {
      if (qualitySum == null)
        qualitySum = intSum(values(mappingQuality)) - l(map);
      return qualitySum;
    }

    public int nPossibleVars() {
      if (nPossibleVars == null)
        nPossibleVars = l(possibleVars());
      return nPossibleVars;
    }

    public boolean isSpecialRule() {
      return rule instanceof RuleEngine2.SimplifyWithRule;
    }

    public double relativeQuality() {
      return isSpecialRule() ? 0 : doubleRatio(qualitySum(), nPossibleVars());
    }

    public Set<String> possibleVars() {
      return asCISet(codeTokens(tokenize(first(rule.in))));
    }

    public RuleEngine2.Rule applyMapping() {
      RuleEngine2.Rule r = new RuleEngine2.Rule();
      r.in = map(rule.in, new F1<String, String>() {

        public String get(String x) {
          try {
            return applyMappingTo(x);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "applyMappingTo(x)";
        }
      });
      r.out = applyMappingTo(rule.out);
      return r;
    }

    public String appliedRuleText() {
      return applyMapping().asText();
    }

    public String outText() {
      if (out == null)
        out = applyMappingTo(rule.out);
      return out;
    }

    public String applyMappingTo(String s) {
      return s == null ? null : join(ai_mapCodeTokensWithMap(tokenize(s), map));
    }

    public List<String> tokenize(String s) {
      return (List<String>) callAndMake(assertNotNull(tokenizationFunction), s);
    }

    public boolean moreConditions() {
      return iCond < l(rule.in);
    }

    public String ruleID() {
      return rule.globalID;
    }
  }

  public static class Rect {

    public int x, y, w, h;

    public Rect() {
    }

    public Rect(Rectangle r) {
      x = r.x;
      y = r.y;
      w = r.width;
      h = r.height;
    }

    public Rect(int x, int y, int w, int h) {
      this.h = h;
      this.w = w;
      this.y = y;
      this.x = x;
    }

    public Rect(Pt p, int w, int h) {
      this.h = h;
      this.w = w;
      x = p.x;
      y = p.y;
    }

    public Rect(Rect r) {
      x = r.x;
      y = r.y;
      w = r.w;
      h = r.h;
    }

    public Rectangle getRectangle() {
      return new Rectangle(x, y, w, h);
    }

    public boolean equals(Object o) {
      return stdEq2(this, o);
    }

    public int hashCode() {
      return stdHash2(this);
    }

    public String toString() {
      return x + "," + y + " / " + w + "," + h;
    }

    public int x2() {
      return x + w;
    }

    public int y2() {
      return y + h;
    }

    public boolean contains(Pt p) {
      return contains(p.x, p.y);
    }

    public boolean contains(int _x, int _y) {
      return _x >= x && _y >= y && _x < x + w && _y < y + h;
    }

    public boolean empty() {
      return w <= 0 || h <= 0;
    }
  }

  public static class Pt {

    public int x, y;

    public Pt() {
    }

    public Pt(Point p) {
      x = p.x;
      y = p.y;
    }

    public Pt(int x, int y) {
      this.y = y;
      this.x = x;
    }

    public Point getPoint() {
      return new Point(x, y);
    }

    public boolean equals(Object o) {
      return stdEq2(this, o);
    }

    public int hashCode() {
      return stdHash2(this);
    }

    public String toString() {
      return x + ", " + y;
    }
  }

  public static class JavaXClassLoader extends URLClassLoader {

    public String progID;

    public List<File> files;

    public Set<String> triedToLoad = synchroSet();

    public Set<Class> loadedClasses = synchroSet();

    public boolean retired;

    public Object retiredMarker;

    public JavaXClassLoader(String progID, List<File> files) {
      this(progID, files, getSystemClassLoader());
    }

    public JavaXClassLoader(String progID, List<File> files, ClassLoader parent) {
      super(new URL[0], parent);
      this.progID = progID;
      this.files = files;
      {
        try {
          for (File f : files) addURL(f.toURI().toURL());
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }
      fixACCInClassLoader(this);
    }

    public Class<?> findClass(String name) throws ClassNotFoundException {
      boolean triedBefore = !triedToLoad.add(name);
      try {
        Class<?> c = super.findClass(name);
        loadedClasses.add(c);
        if (eq(name, "main"))
          callOpt(javax(), "registerAMainClass", c);
        return c;
      } catch (ClassNotFoundException e) {
        throw new ClassNotFoundException("Class " + name + " not found in " + joinWithComma(map("f2s", files)) + " (progID=" + progID + ")" + (triedBefore ? ", tried to load before" : ""), e);
      }
    }

    public String toString() {
      return "JavaXClassLoader[" + systemHashCodeHex(this) + "] - " + progID;
    }
  }

  public abstract static class AbstractLayoutManager implements LayoutManager {

    public Dimension preferredSize = new Dimension(100, 100);

    public void addLayoutComponent(String name, Component comp) {
    }

    public void removeLayoutComponent(Component comp) {
    }

    public Dimension preferredLayoutSize(Container parent) {
      layoutContainer(parent);
      return preferredSize;
    }

    public Dimension minimumLayoutSize(Container parent) {
      return new Dimension(10, 10);
    }
  }

  public abstract static class IterableIterator<A> implements Iterator<A>, Iterable<A> {

    public Iterator<A> iterator() {
      return this;
    }

    public void remove() {
      unsupportedOperation();
    }
  }

  public abstract static class F2<A, B, C> {

    public abstract C get(A a, B b);
  }

  public static class MRUCache<A, B> extends LinkedHashMap<A, B> {

    public int maxSize = 10;

    public MRUCache() {
    }

    public MRUCache(int maxSize) {
      this.maxSize = maxSize;
    }

    public boolean removeEldestEntry(Map.Entry eldest) {
      return size() > maxSize;
    }
  }

  public abstract static class CloseableIterableIterator<A> extends IterableIterator<A> implements AutoCloseable {

    public void close() throws Exception {
    }
  }

  public static class ExpiringMap2<A, B> extends AbstractMap<A, B> {

    public Map<A, Pair<Long, B>> byKey = new HashMap();

    public PriorityBlockingQueue<Pair<Long, A>> queue = new PriorityBlockingQueue();

    public long standardExpiryTime;

    public boolean renewOnOverwrite = true, renewOnGet;

    public Object onChange;

    public ExpiringMap2() {
    }

    public ExpiringMap2(long standardExpiryTime) {
      this.standardExpiryTime = standardExpiryTime;
    }

    public ExpiringMap2(long standardExpiryTime, Object onChange) {
      this.onChange = onChange;
      this.standardExpiryTime = standardExpiryTime;
    }

    public synchronized boolean clean() {
      boolean changes = false;
      Pair<Long, A> p;
      while ((p = queue.peek()) != null && sysTime() >= p.a) {
        p = queue.poll();
        Pair<Long, B> v = byKey.get(p.b);
        if (v != null) {
          byKey.remove(p.b);
          changes = true;
          change();
        }
      }
      return changes;
    }

    public void change() {
      callF(onChange);
    }

    public synchronized B put(A a, B b) {
      clean();
      long timeout = sysTime() + standardExpiryTime;
      Pair<Long, B> p = byKey.get(a);
      if (p != null && renewOnOverwrite)
        queue.remove(new Pair(p.a, a));
      byKey.put(a, pair(timeout, b));
      change();
      if (p == null || renewOnOverwrite)
        queue.add(new Pair(timeout, a));
      return pairB(p);
    }

    public synchronized B remove(Object a) {
      clean();
      Pair<Long, B> p = byKey.get(a);
      if (p == null)
        return null;
      queue.remove(new Pair(p.a, a));
      byKey.remove(a);
      change();
      return p.b;
    }

    public synchronized B get(Object a) {
      clean();
      Pair<Long, B> p = byKey.get(a);
      if (renewOnGet && p != null) {
        queue.remove(new Pair(p.a, a));
        long timeout = sysTime() + standardExpiryTime;
        byKey.put((A) a, pair(timeout, p.b));
        queue.add(new Pair(timeout, a));
      }
      return pairB(p);
    }

    public synchronized Set<Map.Entry<A, B>> entrySet() {
      clean();
      return synchronizedSet(mapValues("pairB", byKey).entrySet());
    }

    public synchronized Set<A> keySet() {
      clean();
      return synchronizedSet(byKey.keySet());
    }

    public synchronized int size() {
      clean();
      return byKey.size();
    }

    public void setStandardExpiryTime(long ms) {
      standardExpiryTime = ms;
    }

    public synchronized ExpiringMap2<A, B> setMap(Map innerMap) {
      byKey = innerMap;
      return this;
    }
  }

  public static class JavaXClassLoaderWithParent2 extends JavaXClassLoader {

    public ClassLoader virtualParent;

    public List<String> classesToSkip;

    public JavaXClassLoaderWithParent2(String progID, List<File> files, ClassLoader virtualParent, List<String> classesToSkip) {
      super(progID, files);
      this.virtualParent = virtualParent;
      this.classesToSkip = classesToSkip;
    }

    public Class<?> findClass(String name) throws ClassNotFoundException {
      if (shouldDelegate(name)) {
        Class<?> c = virtualParent.loadClass(name);
        if (c != null)
          return c;
      }
      return super.findClass(name);
    }

    public boolean shouldDelegate(String name) {
      for (String s : classesToSkip) if (eq(name, s) || startsWith(name, s + "$"))
        return true;
      return false;
    }
  }

  public static interface Producer<A> {

    public A next();
  }

  public static interface IVar<A> {

    public void set(A a);

    public A get();

    public boolean has();

    public void clear();
  }

  public static class MechMode {

    public Object readMode;

    public Object writeMode;

    public MechMode() {
    }

    public MechMode(Object readMode, Object writeMode) {
      this.writeMode = writeMode;
      this.readMode = readMode;
    }

    public String toString() {
      return "MechMode(" + readMode + ", " + writeMode + ")";
    }

    public boolean equals(Object o) {
      if (!(o instanceof MechMode))
        return false;
      MechMode x = (MechMode) (o);
      return eq(readMode, x.readMode) && eq(writeMode, x.writeMode);
    }

    public int hashCode() {
      int h = -866263200;
      h = h * 2 + _hashCode(readMode);
      h = h * 2 + _hashCode(writeMode);
      return h;
    }
  }

  public static interface IF1<A, B> {

    public B get(A a);
  }

  public static class LetterLayout implements LayoutManager {

    public String[] lines;

    public Map<String, Component> map = new TreeMap<String, Component>();

    public RC[] rows;

    public RC[] cols;

    public Cell[][] cells;

    public int spacingX = 10, spacingY = 10;

    public int insetTop, insetBottom, insetLeft, insetRight;

    public int template;

    public boolean formWideLeftSide, formWideRightSide;

    public static final int STALACTITE = 1, LEFT_ALIGNED_ROW = 2, CENTERED_ROW = 3, FORM = 4, RIGHT_ALIGNED_ROW = 5;

    public boolean debug;

    public void setLeftBorder(int border) {
      insetLeft = border;
    }

    public void setRightBorder(int border) {
      insetRight = border;
    }

    public static JComponent withBorder(JComponent component, int border) {
      JPanel panel = new JPanel(new LetterLayout("C").setBorder(border));
      panel.add("C", component);
      return panel;
    }

    public static JPanel panel(String... lines) {
      return new JPanel(new LetterLayout(lines));
    }

    public static JPanel stalactitePanel() {
      return new JPanel(stalactite());
    }

    public static class DummyComponent extends JComponent {
    }

    public static class Cell {

      public boolean aux;

      public int minWidth, minHeight;

      public Component component;

      public int colspan, rowspan;

      public double weightX, weightY;
    }

    public static class RC {

      public int min;

      public double weightSum;

      public int start;

      public int minEnd;
    }

    public LetterLayout(int template) {
      this.template = template;
    }

    public LetterLayout(String... lines) {
      this.lines = lines;
    }

    public void removeLayoutComponent(Component component) {
      map.values().remove(component);
    }

    public void layoutContainer(Container container) {
      prepareLayout(container);
      if (debug)
        System.out.println("Container size: " + container.getSize());
      Insets insets = getInsets(container);
      for (int r = 0; r < rows.length; r++) {
        for (int i = 0; i < cols.length; ) {
          Cell cell = cells[i][r];
          if (cell.aux)
            ++i;
          else {
            if (cell.component != null) {
              int x1 = cols[i].start;
              int y1 = rows[r].start;
              int x2 = i + cell.colspan < cols.length ? cols[i + cell.colspan].start - spacingX : container.getWidth() - insets.right;
              int y2 = r + cell.rowspan < rows.length ? rows[r + cell.rowspan].start - spacingY : container.getHeight() - insets.bottom;
              if (debug)
                System.out.println("Layouting (" + i + ", " + r + ", " + cell.component.getClass().getName() + "): " + x1 + " " + y1 + " " + x2 + " " + y2);
              cell.component.setBounds(x1, y1, x2 - x1, y2 - y1);
            }
            i += cells[i][r].colspan;
          }
        }
      }
    }

    public final void prepareLayout(Container container) {
      applyTemplate(container);
      int numRows = lines.length, numCols = lines[0].length();
      for (int i = 1; i < numRows; i++) if (lines[i].length() != numCols)
        throw new IllegalArgumentException("Lines have varying length");
      cells = new Cell[numCols][numRows];
      rows = new RC[numRows];
      cols = new RC[numCols];
      for (int r = 0; r < numRows; r++) rows[r] = new RC();
      for (int i = 0; i < numCols; i++) cols[i] = new RC();
      for (int r = 0; r < numRows; r++) for (int i = 0; i < numCols; i++) cells[i][r] = new Cell();
      for (int r = 0; r < numRows; r++) {
        String line = lines[r];
        for (int i = 0; i < numCols; ) {
          Cell cell = cells[i][r];
          if (cell.aux) {
            ++i;
            continue;
          }
          char ch = line.charAt(i);
          int iNext = i;
          do ++iNext; while (iNext < numCols && ch == line.charAt(iNext));
          int rNext = r;
          do ++rNext; while (rNext < numRows && ch == lines[rNext].charAt(i));
          cell.weightX = numCols == 1 || iNext > i + 1 ? 1.0 : 0.0;
          cell.weightY = numRows == 1 || rNext > r + 1 ? 1.0 : 0.0;
          Component c = map.get(String.valueOf(ch));
          cell.component = c;
          if (c != null) {
            cell.minWidth = c.getMinimumSize().width + spacingX;
            cell.minHeight = getMinimumHeight(c) + spacingY;
          }
          cell.colspan = iNext - i;
          cell.rowspan = rNext - r;
          if (cell.colspan == 1)
            cols[i].min = Math.max(cols[i].min, cell.minWidth);
          if (cell.rowspan == 1)
            rows[r].min = Math.max(rows[r].min, cell.minHeight);
          for (int r2 = r; r2 < rNext; r2++) for (int i2 = i; i2 < iNext; i2++) if (r2 != r || i2 != i)
            cells[i2][r2].aux = true;
          i = iNext;
        }
      }
      while (true) {
        for (int i = 0; i < numCols; i++) {
          int minStart = i == 0 ? 0 : cols[i - 1].minEnd;
          double weightStart = i == 0 ? 0.0 : cols[i - 1].weightSum;
          for (int r = 0; r < numRows; r++) {
            Cell cell = cells[i][r];
            if (!cell.aux) {
              RC rc = cols[i + cell.colspan - 1];
              rc.minEnd = Math.max(rc.minEnd, minStart + cell.minWidth);
              rc.weightSum = Math.max(rc.weightSum, weightStart + cell.weightX);
            }
          }
        }
        for (int r = 0; r < numRows; r++) {
          int minStart = r == 0 ? 0 : rows[r - 1].minEnd;
          double weightStart = r == 0 ? 0.0 : rows[r - 1].weightSum;
          for (int i = 0; i < numCols; i++) {
            Cell cell = cells[i][r];
            if (!cell.aux) {
              RC rc = rows[r + cell.rowspan - 1];
              rc.minEnd = Math.max(rc.minEnd, minStart + cell.minHeight);
              rc.weightSum = Math.max(rc.weightSum, weightStart + cell.weightY);
            }
          }
        }
        if (allWeightsZero(cols)) {
          for (int r = 0; r < numRows; r++) for (int i = 0; i < numCols; i++) cells[i][r].weightX = 1.0;
          continue;
        }
        if (allWeightsZero(rows)) {
          for (int r = 0; r < numRows; r++) for (int i = 0; i < numCols; i++) cells[i][r].weightY = 1.0;
          continue;
        }
        break;
      }
      Insets insets = getInsets(container);
      determineStarts(cols, insets.left, container.getWidth() - insets.left - insets.right + spacingX, spacingX);
      determineStarts(rows, insets.top, container.getHeight() - insets.top - insets.bottom + spacingY, spacingY);
    }

    public final boolean allWeightsZero(RC[] rcs) {
      for (int i = 0; i < rcs.length; i++) if (rcs[i].weightSum != 0.0)
        return false;
      return true;
    }

    public static int getMinimumHeight(Component c) {
      return c.getMinimumSize().height;
    }

    public final void applyTemplate(Container container) {
      if (template == STALACTITE) {
        Component[] components = container.getComponents();
        lines = new String[components.length + 2];
        map.clear();
        for (int i = 0; i < components.length; i++) {
          String s = String.valueOf(makeIndexChar(i));
          map.put(s, components[i]);
          lines[i] = s;
        }
        lines[components.length] = lines[components.length + 1] = " ";
      } else if (template == FORM) {
        Component[] components = container.getComponents();
        int numRows = components.length / 2;
        lines = new String[numRows + 2];
        map.clear();
        for (int row = 0; row < numRows; row++) {
          String lower = String.valueOf(makeIndexChar(row));
          String upper = String.valueOf(makeAlternateIndexChar(row));
          Component rightComponent = components[row * 2 + 1];
          if (rightComponent instanceof DummyComponent)
            upper = lower;
          lines[row] = (formWideLeftSide ? lower + lower : lower) + (formWideRightSide ? upper + upper : upper);
          map.put(lower, components[row * 2]);
          if (!(rightComponent instanceof DummyComponent))
            map.put(upper, rightComponent);
        }
        lines[numRows] = lines[numRows + 1] = (formWideLeftSide ? "  " : " ") + (formWideRightSide ? "  " : " ");
      } else if (template == LEFT_ALIGNED_ROW) {
        lines = new String[] { makeSingleRow(container) + RIGHT_CHAR + RIGHT_CHAR };
      } else if (template == CENTERED_ROW) {
        lines = new String[] { "" + LEFT_CHAR + LEFT_CHAR + makeSingleRow(container) + RIGHT_CHAR + RIGHT_CHAR };
      } else if (template == RIGHT_ALIGNED_ROW) {
        lines = new String[] { "" + LEFT_CHAR + LEFT_CHAR + makeSingleRow(container) };
      }
    }

    public final String makeSingleRow(Container container) {
      Component[] components = container.getComponents();
      StringBuffer buf = new StringBuffer();
      map.clear();
      for (int i = 0; i < components.length; i++) {
        String s = String.valueOf(makeAlternateIndexChar(i));
        map.put(s, components[i]);
        buf.append(s);
      }
      return buf.toString();
    }

    public static void determineStarts(RC[] rcs, int start, int totalSize, int spacing) {
      int minTotal = rcs[rcs.length - 1].minEnd;
      double weightSum = rcs[rcs.length - 1].weightSum;
      int spare = (int) ((totalSize - minTotal) / (weightSum == 0.0 ? 1.0 : weightSum));
      int x = start, minSum = 0;
      double prevWeightSum = 0.0;
      for (int i = 0; i < rcs.length; i++) {
        int width = rcs[i].minEnd - minSum + (int) ((rcs[i].weightSum - prevWeightSum) * spare) - spacing;
        rcs[i].start = x;
        x += width + spacing;
        prevWeightSum = rcs[i].weightSum;
        minSum = rcs[i].minEnd;
      }
    }

    public void addLayoutComponent(String s, Component component) {
      map.put(s, component);
    }

    public Dimension minimumLayoutSize(Container container) {
      prepareLayout(container);
      Insets insets = getInsets(container);
      Dimension result = new Dimension(insets.left + cols[cols.length - 1].minEnd + insets.right - spacingX, insets.top + rows[rows.length - 1].minEnd + insets.bottom - spacingY);
      return result;
    }

    public final Insets getInsets(Container container) {
      Insets insets = container.getInsets();
      return new Insets(insets.top + insetTop, insets.left + insetLeft, insets.bottom + insetBottom, insets.right + insetRight);
    }

    public Dimension preferredLayoutSize(Container container) {
      return minimumLayoutSize(container);
    }

    public LetterLayout setSpacing(int x, int y) {
      spacingX = x;
      spacingY = y;
      return this;
    }

    public LetterLayout setSpacing(int spacing) {
      return setSpacing(spacing, spacing);
    }

    public LetterLayout setBorder(int top, int left, int bottom, int right) {
      insetTop = top;
      insetLeft = left;
      insetBottom = bottom;
      insetRight = right;
      return this;
    }

    public LetterLayout setBorder(int inset) {
      return setBorder(inset, inset, inset, inset);
    }

    public LetterLayout setTopBorder(int inset) {
      insetTop = inset;
      return this;
    }

    public static LetterLayout stalactite() {
      return new LetterLayout(STALACTITE);
    }

    public static LetterLayout leftAlignedRow() {
      return new LetterLayout(LEFT_ALIGNED_ROW);
    }

    public static LetterLayout leftAlignedRow(int spacing) {
      return leftAlignedRow().setSpacing(spacing);
    }

    public static LetterLayout centeredRow() {
      return new LetterLayout(CENTERED_ROW);
    }

    public static LetterLayout rightAlignedRow() {
      return new LetterLayout(RIGHT_ALIGNED_ROW);
    }

    public static JPanel rightAlignedRowPanel(JComponent... components) {
      return makePanel(new LetterLayout(RIGHT_ALIGNED_ROW), components);
    }

    public static JPanel makePanel(LetterLayout letterLayout, JComponent[] components) {
      JPanel panel = new JPanel(letterLayout);
      for (JComponent component : components) {
        panel.add(component);
      }
      return panel;
    }

    public static LetterLayout form() {
      LetterLayout letterLayout = new LetterLayout(FORM);
      letterLayout.formWideLeftSide = true;
      letterLayout.formWideRightSide = true;
      return letterLayout;
    }

    public static LetterLayout formWideRightSide() {
      LetterLayout letterLayout = new LetterLayout(FORM);
      letterLayout.formWideRightSide = true;
      return letterLayout;
    }

    public static Component getDummyComponent() {
      return new DummyComponent();
    }

    public static JPanel newPanel(String... lines) {
      return new JPanel(new LetterLayout(lines));
    }

    public boolean isDebug() {
      return debug;
    }

    public void setDebug(boolean debug) {
      this.debug = debug;
    }

    public static char makeIndexChar(int idx) {
      return (char) ('a' + idx * 2);
    }

    public static char makeAlternateIndexChar(int idx) {
      return (char) ('b' + idx * 2);
    }

    public static char LEFT_CHAR = ',', RIGHT_CHAR = '.';

    public static void main(String[] args) {
      System.out.println((int) makeIndexChar(0));
      System.out.println((int) makeAlternateIndexChar(0));
      System.out.println((int) makeIndexChar(32000));
      System.out.println((int) makeAlternateIndexChar(32000));
      System.out.println((int) LEFT_CHAR);
      System.out.println((int) RIGHT_CHAR);
    }
  }

  public static <A, B> B pairB(Pair<A, B> p) {
    return p == null ? null : p.b;
  }

  public static <A, B> void multiMapPut(Map<A, List<B>> map, A a, B b) {
    List<B> l = map.get(a);
    if (l == null)
      map.put(a, l = new ArrayList());
    l.add(b);
  }

  public static <A, B> void multiMapPut(MultiMap<A, B> mm, A key, B value) {
    if (mm != null && key != null && value != null)
      mm.put(key, value);
  }

  public 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;
  }

  public static void gazelle_addSharedClasses() {
    hotwire_addSharedClasses(RuleEngine2.class, GazelleTree.class, GazelleEvalContext.class);
  }

  public static void addIfNempty(Collection<String> l, String s) {
    if (nempty(s))
      l.add(s);
  }

  public static void addIfNempty(Collection l, Map m) {
    if (nempty(m))
      l.add(m);
  }

  public static void addIfNempty(Collection l, Collection c) {
    if (nempty(c))
      l.add(c);
  }

  public static String formatDouble(double d, int digits) {
    String format = digits <= 0 ? "0" : "0." + rep(digits, '#');
    return new java.text.DecimalFormat(format, new java.text.DecimalFormatSymbols(Locale.ENGLISH)).format(d);
  }

  public static String appendSquareBracketed(String b) {
    return empty(b) ? "" : "" + " [" + b + "]";
  }

  public static String appendSquareBracketed(String a, String b) {
    return empty(b) ? a : a + appendSquareBracketed(b);
  }

  public static <A> String joinWithComma(Collection<A> c) {
    return join(", ", c);
  }

  public static String joinWithComma(String... c) {
    return join(", ", c);
  }

  public static String joinWithComma(Pair p) {
    return p == null ? "" : joinWithComma(str(p.a), str(p.b));
  }

  public static <A> List<A> reversed(Collection<A> l) {
    return reversedList(l);
  }

  public static <A> List<A> reversed(A[] l) {
    return reversedList(asList(l));
  }

  public static String reversed(String s) {
    return reversedString(s);
  }

  public static void _add(BitSet bs, int i) {
    add(bs, i);
  }

  public static <A> boolean _add(Collection<A> c, A a) {
    return add(c, a);
  }

  public static void _add(Container c, Component x) {
    add(c, x);
  }

  public static String getType(Object o) {
    return getClassName(o);
  }

  public static <A, B> Map<A, B> putAll(Map<A, B> a, Map<? extends A, ? extends B> b) {
    if (a != null)
      a.putAll(b);
    return a;
  }

  public static <A, B> Set<A> keySet(Map<A, B> map) {
    return map == null ? new HashSet() : map.keySet();
  }

  public static Set keySet(Object map) {
    return keys((Map) map);
  }

  public static <A, B> Set<A> keySet(MultiMap<A, B> mm) {
    return mm.keySet();
  }

  public static <A> A reverseGet(List<A> l, int idx) {
    if (l == null || idx < 0)
      return null;
    int n = l(l);
    return idx < n ? l.get(n - 1 - idx) : null;
  }

  public static <A, B> Map<A, B> cloneMap(Map<A, B> map) {
    if (map == null)
      return new HashMap();
    synchronized (map) {
      return map instanceof TreeMap ? new TreeMap((TreeMap) map) : map instanceof LinkedHashMap ? new LinkedHashMap(map) : new HashMap(map);
    }
  }

  public static void gazelle_parseInstruction(RuleEngine2.SimplifyWithRule r) {
    Matches m = new Matches();
    String s = r.text;
    if (match("simplify with *", s, m)) {
      r._function = m.unq(0);
      return;
    } else if (match("simplify with * on tree", s, m)) {
      r.callOnTree = true;
      {
        r._function = m.unq(0);
        return;
      }
    } else if (match("drop after word *", s, m)) {
      final String word = m.unq(0);
      {
        r._function = new F1<String, Object>() {

          public Object get(String s) {
            try {
              return tok_dropStartingWithWord(word, s);
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "tok_dropStartingWithWord(word, s)";
          }
        };
        return;
      }
    } else if (match("group words *", s, m)) {
      final String words = m.unq(0);
      {
        r._function = new F1<String, Object>() {

          public Object get(String s) {
            try {
              return tok_groupPhrase(s, words);
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "tok_groupPhrase(s, words)";
          }
        };
        return;
      }
    } else if (match("split with *", s, m)) {
      r.isSplitRule = true;
      {
        r._function = m.unq(0);
        return;
      }
    }
  }

  public static boolean cic(Collection<String> l, String s) {
    return containsIgnoreCase(l, s);
  }

  public static boolean cic(String[] l, String s) {
    return containsIgnoreCase(l, s);
  }

  public static boolean cic(String s, char c) {
    return containsIgnoreCase(s, c);
  }

  public static boolean cic(String a, String b) {
    return containsIgnoreCase(a, b);
  }

  public static <A> A last(List<A> l) {
    return empty(l) ? null : l.get(l.size() - 1);
  }

  public static char last(String s) {
    return empty(s) ? '#' : s.charAt(l(s) - 1);
  }

  public static int last(int[] a) {
    return l(a) != 0 ? a[l(a) - 1] : 0;
  }

  public static <A> A last(A[] a) {
    return l(a) != 0 ? a[l(a) - 1] : null;
  }

  public static <A> A last(Iterator<A> it) {
    A a = null;
    while (it.hasNext()) {
      ping();
      a = it.next();
    }
    return a;
  }

  public static Pair<String, String> splitAtDoubleArrow_pair(String s) {
    return splitAtDoubleArrow_pair(javaTokWithBrackets(s));
  }

  public static Pair<String, String> splitAtDoubleArrow_pair(List<String> tok) {
    return listToPair(splitAtDoubleArrow(tok));
  }

  public static Pair<String, String> ai_rule_pair_expandPlusArrow(Pair<String, String> rule) {
    if (endsWith(pairA(rule), "+"))
      return pair(rule.a + " " + rule.b, rule.b);
    return rule;
  }

  public static List<String> tok_splitAtPlusAtBeginningOfLine(String s) {
    List<Integer> indices = new ArrayList();
    List<String> tok = javaTokWithAllBrackets(s);
    for (int i = 1; i < l(tok); i += 2) if (eqGet(tok, i, "+") && containsNewLine(get(tok, i - 1)))
      indices.add(i);
    return splitAtTokenIndices(tok, indices);
  }

  public static boolean jmatchAny(String pat, Iterable<String> l) {
    return jmatch_any(pat, l);
  }

  public static boolean jmatchAny(String pat, Iterable<String> l, Matches m) {
    return jmatch_any(pat, l, m);
  }

  public static boolean jmatchAny(List<String> patterns, Iterable<String> l) {
    return jmatch_any(patterns, l, null);
  }

  public static boolean jmatchAny(List<String> patterns, Iterable<String> l, Matches m) {
    return jmatch_any(patterns, l, m);
  }

  public static Set<String> ai_wordsInBothSidesOfPair_uncurly(Pair<String, String> p) {
    return mapCISet("uncurly", ai_wordsInBothSidesOfPair(p));
  }

  public static <A> List<A> addAllAndReturnNew(Collection<A> c, Collection<A> b) {
    if (c == null || b == null)
      return emptyList();
    List<A> newEntries = new ArrayList();
    for (A a : b) if (c.add(a))
      newEntries.add(a);
    return newEntries;
  }

  public static String tok_dropCurlyBrackets(String s) {
    return join(tok_dropCurlyBrackets(javaTok(s)));
  }

  public static List<String> tok_dropCurlyBrackets(List<String> tok) {
    for (int i = 1; i < l(tok); i += 2) {
      while (eqGetOneOf(tok, i, "{", "}")) {
        tokAppend(tok, i - 1, tok.get(i + 1));
        removeSubList(tok, i, i + 2);
      }
    }
    return tok;
  }

  public static <A> AutoCloseable tempIndent() {
    threadIndent();
    return new AutoCloseable() {

      public void close() {
        threadUnindent();
      }
    };
  }

  public static TreeSet<String> litciset(String... items) {
    TreeSet<String> set = caseInsensitiveSet();
    for (String a : items) set.add(a);
    return set;
  }

  public static <A> A popFirst(List<A> l) {
    if (empty(l))
      return null;
    A a = first(l);
    l.remove(0);
    return a;
  }

  public static <A> A popFirst(Collection<A> l) {
    if (empty(l))
      return null;
    A a = first(l);
    l.remove(a);
    return a;
  }

  public static String ai_superSimpleVerbCorrector(String s) {
    List<String> tok = javaTokNPunctuation(s);
    for (int i = 1; i < l(tok) - 2; i += 2) if (mechCISetContains("Plural nouns", tok.get(i)))
      tokReplaceIfNotNull(tok, i + 2, mechCIMapGet("Singular verb => Plural", tok.get(i + 2)));
    return join(tok);
  }

  public static List<String> codeTokens_lazy_uncurly(List<String> tok) {
    return lazilyMap("uncurly", codeTokens_lazy(tok));
  }

  public static Map<String, List<String>> javaTokNPunctuationWithBrackets_cached_cache = synchronizedMRUCache(100);

  public static synchronized List<String> javaTokNPunctuationWithBrackets_cached(String s) {
    List<String> tok = javaTokNPunctuationWithBrackets_cached_cache.get(s);
    if (tok == null)
      javaTokNPunctuationWithBrackets_cached_cache.put(s, tok = javaTokNPunctuationWithBrackets(s));
    return tok;
  }

  public static Map<String, String> ciMapWithoutKeysEqualToValues(Map<String, String> map) {
    if (map == null)
      return null;
    Map<String, String> map2 = ciMap();
    for (String key : keys(map)) {
      String value = map.get(key);
      if (!eqic(key, value))
        map2.put(key, value);
    }
    return map2;
  }

  public static Map<String, String> zipTwoListsToCIMap_strict(List<String> l1, List<String> l2) {
    int n = l(l1);
    if (n != l(l2))
      return null;
    Map<String, String> map = ciMap();
    for (int i = 0; i < n; i++) if (!strictPutIC(map, l1.get(i), l2.get(i)))
      return null;
    return map;
  }

  public static List<String> withoutDollarVars(List<String> l) {
    return antiFilter("isDollarVar", l);
  }

  public static int ratioToIntPercent(double x, double y) {
    return roundToInt(x * 100 / y);
  }

  public static Map<String, String> reverseMapCI_joinDuplicatesWithPlus(Map<String, String> map) {
    MultiMap<String, String> mm = reverseMapAsMultiMapCI(map);
    Map<String, String> out = ciMap();
    for (String key : keys(mm)) out.put(key, join("+", mm.get(key)));
    return out;
  }

  public static List mapCodeTokens(Object f, List l) {
    List out = new ArrayList();
    for (int i = 0; i < l(l); i++) {
      Object o = l.get(i);
      out.add(odd(i) ? callF(f, o) : o);
    }
    return out;
  }

  public static List mapCodeTokens(List l, Object f) {
    return mapCodeTokens(f, l);
  }

  public static String getOrKeep_tryUncurlied(Map<String, String> map, String a) {
    String v = map.get(a);
    if (v != null)
      return v;
    String b = uncurly(a);
    if (a != b && (v = map.get(b)) != null)
      return v;
    return a;
  }

  public static List<String> javaTokWithBrackets(String s) {
    return javaTokPlusBrackets(s);
  }

  public static <A> List<A> filter(Iterable<A> c, Object pred) {
    if (pred instanceof F1)
      return filter(c, (F1<A, Boolean>) pred);
    List x = new ArrayList();
    if (c != null)
      for (Object o : c) if (isTrue(callF(pred, o)))
        x.add(o);
    return x;
  }

  public static List filter(Object pred, Iterable c) {
    return filter(c, pred);
  }

  public static <A, B extends A> List<B> filter(Iterable<B> c, F1<A, Boolean> pred) {
    List x = new ArrayList();
    if (c != null)
      for (B o : c) if (pred.get(o).booleanValue())
        x.add(o);
    return x;
  }

  public static <A, B extends A> List<B> filter(F1<A, Boolean> pred, Iterable<B> c) {
    return filter(c, pred);
  }

  public static <A, B extends A> List<B> filter(Iterable<B> c, IF1<A, Boolean> pred) {
    List x = new ArrayList();
    if (c != null)
      for (B o : c) if (pred.get(o).booleanValue())
        x.add(o);
    return x;
  }

  public static <A, B extends A> List<B> filter(IF1<A, Boolean> pred, Iterable<B> c) {
    return filter(c, pred);
  }

  public static <A> List<A> antiFilter(Iterable<A> c, Object pred) {
    if (pred instanceof F1)
      return antiFilter(c, (F1<A, Boolean>) pred);
    List x = new ArrayList();
    if (c != null)
      for (Object o : c) if (!isTrue(callF(pred, o)))
        x.add(o);
    return x;
  }

  public static List antiFilter(Object pred, Iterable c) {
    return antiFilter(c, pred);
  }

  public static List antiFilter(Object pred, Object[] c) {
    return antiFilter(pred, wrapArrayAsList(c));
  }

  public static <A, B extends A> List antiFilter(Iterable<B> c, F1<A, Boolean> pred) {
    List x = new ArrayList();
    if (c != null)
      for (B o : c) if (!pred.get(o).booleanValue())
        x.add(o);
    return x;
  }

  public static <A, B extends A> List antiFilter(F1<A, Boolean> pred, Iterable<B> c) {
    return antiFilter(c, pred);
  }

  public static <A, B extends A> List antiFilter(Iterable<B> c, IF1<A, Boolean> pred) {
    List x = new ArrayList();
    if (c != null)
      for (B o : c) if (!pred.get(o).booleanValue())
        x.add(o);
    return x;
  }

  public static <A, B extends A> List antiFilter(IF1<A, Boolean> pred, Iterable<B> c) {
    return antiFilter(c, pred);
  }

  public static int _hashCode(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static Class _run(String progID, String... args) {
    Class main = hotwire(progID);
    callMain(main, args);
    return main;
  }

  public static void cancelAndInterruptThread(Thread t) {
    if (t == null)
      return;
    cancelThread(t);
    t.interrupt();
  }

  public static boolean getServerTranspiled2_allowLocalFallback = true, getServerTranspiled2_localFallbackVerbose = true;

  public static String getServerTranspiled2(String id) {
    String transpiled = loadCachedTranspilation(id);
    String md5 = null;
    if (machineIsOffline() || isOfflineMode() || isLocalSnippet(id))
      return transpiled;
    if (transpiled != null)
      md5 = md5(transpiled);
    String transpiledSrc;
    try {
      transpiledSrc = getServerTranspiled(formatSnippetID(id), md5);
    } catch (Throwable e) {
      if (!getServerTranspiled2_allowLocalFallback)
        rethrow(e);
      printExceptionShort(e);
      if (getServerTranspiled2_localFallbackVerbose)
        print("Fallback to local code");
      return transpiled;
    }
    if (eq(transpiledSrc, "SAME")) {
      if (!isTrue(loadPage_silent.get()))
        print("SAME");
      return transpiled;
    }
    return transpiledSrc;
  }

  public static List<String> findMainClass(List<String> tok) {
    for (List<String> c : reversedList(allClasses(tok))) {
      String name = getClassDeclarationName(c);
      if (eq(name, "main") || name.startsWith("x"))
        return c;
    }
    return findBlock("m {", tok);
  }

  public static boolean useDummyMainClasses() {
    return true;
  }

  public static boolean tok_classHasModifier(List<String> classDecl, String modifier) {
    if (classDecl == null)
      return false;
    int i = classDecl.indexOf("class");
    return subList(classDecl, 0, i).contains(modifier);
  }

  public static boolean javaCompileToJar_useRAMDisk;

  public static File javaCompileToJar_optionalRename(String src, File destJar, String progIDForRename) {
    return javaCompileToJar_optionalRename(src, "", destJar, progIDForRename);
  }

  public static synchronized File javaCompileToJar_optionalRename(String src, String dehlibs, File destJar, String progIDForRename) {
    return javaCompileToJar_optionalRename(src, dehlibs, destJar, progIDForRename, null);
  }

  public static synchronized File javaCompileToJar_optionalRename(String src, String dehlibs, File destJar, String progIDForRename, String progID) {
    String javaTarget = null;
    String dummyClass = "main";
    if (progIDForRename != null) {
      dummyClass = dummyMainClassName(progIDForRename);
      src += "\nclass " + dummyClass + "{}";
    }
    String md5 = md5(src);
    File jar = destJar;
    Class j = getJavaX();
    if (javaTarget != null)
      setOpt(j, "javaTarget", javaTarget);
    File srcDir = tempDir();
    String className = "main";
    String fileName = dummyClass + ".java";
    List<String> tok = javaTok(src);
    String packageName = tok_packageName(tok);
    if (packageName != null)
      fileName = packageName.replace(".", "/") + "/" + tok_firstClassName(tok) + ".java";
    File mainJava = new File(srcDir, fileName);
    saveTextFile(mainJava, src);
    File classesDir = javaCompileToJar_useRAMDisk ? tempDirPossiblyInRAMDisk() : tempDir();
    try {
      List<File> libraries = new ArrayList();
      Matcher m = Pattern.compile("\\d+").matcher(dehlibs);
      while (m.find()) {
        String libID = m.group();
        assertTrue(isSnippetID(libID));
        libraries.add(loadLibraryOrSrcLib(libID));
      }
      libraries.add(pathToJavaxJar());
      String compilerOutput;
      try {
        compilerOutput = (String) call(j, "compileJava", srcDir, libraries, classesDir);
      } catch (Throwable e) {
        compilerOutput = (String) get(getJavaX(), "javaCompilerOutput");
        throw fail("Compile Error. " + compilerOutput + " " + e);
      }
      if (eq(trim(compilerOutput), "Annotation processing got disabled, since it requires a 1.6 compliant JVM")) {
        print(compilerOutput);
        compilerOutput = "";
      }
      if (nempty(compilerOutput)) {
        print("Compiler said: " + compilerOutput);
      }
      if (!anyFileWithExtensionInDir(classesDir, ".class"))
        throw fail("No classes generated");
      saveTextFile(new File(classesDir, "main.java"), src);
      if (nempty(dehlibs))
        saveTextFile(new File(classesDir, "libraries"), dehlibs);
      saveTextFile(new File(classesDir, "progID"), progID);
      dir2zip_recurse_verbose = false;
      int n = dir2zip_recurse(classesDir, jar);
      return jar;
    } finally {
      if (isInRAMDisk(classesDir))
        deleteDirectory(classesDir);
    }
  }

  public static void touchFile(File file) {
    try {
      closeRandomAccessFile(newRandomAccessFile(mkdirsForFile(file), "rw"));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isMD5(String s) {
    return l(s) == 32 && isLowerHexString(s);
  }

  public static File getCacheProgramDir() {
    return getCacheProgramDir(getProgramID());
  }

  public static File getCacheProgramDir(String snippetID) {
    return new File(userHome(), "JavaX-Caches/" + formatSnippetIDOpt(snippetID));
  }

  public static String quoteBorderless(Object o) {
    if (o == null)
      return "null";
    return quoteBorderless(str(o));
  }

  public static String quoteBorderless(String s) {
    if (s == null)
      return "null";
    StringBuilder out = new StringBuilder((int) (l(s) * 1.5));
    quoteBorderless_impl(s, out);
    return out.toString();
  }

  public static void quoteBorderless_impl(String s, StringBuilder out) {
    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);
    }
  }

  public static int hashCodeFor(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static String aGlobalID() {
    return randomID(globalIDLength());
  }

  public static int intSum(Collection c, String field) {
    int sum = 0;
    for (Object o : unnull(c)) sum += toInt(getOpt(o, field));
    return sum;
  }

  public static int intSum(Iterable<Integer> l) {
    int sum = 0;
    for (Integer i : unnull(l)) if (i != null)
      sum += i;
    return sum;
  }

  public static List<String> ai_mapCodeTokensWithMap(List<String> tok, final Map<String, String> map) {
    return mapCodeTokens(tok, new F1<String, String>() {

      public String get(String s) {
        try {
          return getOrKeep_tryUncurlied(map, s);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "getOrKeep_tryUncurlied(map, s)";
      }
    });
  }

  public static boolean stdEq2(Object a, Object b) {
    if (a == null)
      return b == null;
    if (b == null)
      return false;
    if (a.getClass() != b.getClass())
      return false;
    for (String field : allFields(a)) if (neq(getOpt(a, field), getOpt(b, field)))
      return false;
    return true;
  }

  public static int stdHash2(Object a) {
    if (a == null)
      return 0;
    return stdHash(a, toStringArray(allFields(a)));
  }

  public static void fixACCInClassLoader(Object o) {
    try {
      AccessControlContext acc = vm_globalACC();
      if (acc != null)
        replaceACCInClassLoader(o, acc);
    } catch (Throwable __e) {
      _handleException(__e);
    }
  }

  public static String systemHashCodeHex(Object o) {
    return intToHex(identityHashCode(o));
  }

  public static <A> Iterator<A> iterator(Iterable<A> c) {
    return c == null ? emptyIterator() : c.iterator();
  }

  public static UnsupportedOperationException unsupportedOperation() {
    throw new UnsupportedOperationException();
  }

  public static long sysTime() {
    return sysNow();
  }

  public static void change() {
    callOpt(getOptMC("mainConcepts"), "allChanged");
  }

  public static void hotwire_addSharedClasses(Collection<Class> classes) {
    addAll(hotwire_classesToShare, map("className", classes));
  }

  public static void hotwire_addSharedClasses(Class... classes) {
    hotwire_addSharedClasses(asList(classes));
  }

  public static String rep(int n, char c) {
    return repeat(c, n);
  }

  public static String rep(char c, int n) {
    return repeat(c, n);
  }

  public static <A> List<A> rep(A a, int n) {
    return repeat(a, n);
  }

  public static <A> List<A> rep(int n, A a) {
    return repeat(n, a);
  }

  public static String reversedString(String s) {
    return reverseString(s);
  }

  public static String tok_dropStartingWithWord(String word, String s) {
    List<String> tok = javaTokWithBrackets(s);
    int i = indexOfIC(tok, word);
    return i < 0 ? s : joinSubList(tok, 0, i - 1);
  }

  public static List<String> tok_groupPhrase(List<String> tok, String phrase) {
    List<String> tokPhrase = dropFirstAndLast(javaTok_cached(phrase));
    List<Integer> l = indicesOfSubListIC(tok, tokPhrase);
    for (int i : l) {
      int j = i + l(tokPhrase) - 1;
      if (i == 1 && j == l(tok) - 2)
        continue;
      String pre = get(tok, i - 1), post = get(tok, j + 1);
      if (endsWith(pre, "{") && startsWith(post, "}"))
        continue;
      tokPrepend(tok, i, "{");
      tokAppend(tok, j, "}");
    }
    return tok;
  }

  public static String tok_groupPhrase(String s, String phrase) {
    return join(tok_groupPhrase(javaTok(s), phrase));
  }

  public static boolean containsIgnoreCase(Collection<String> l, String s) {
    if (l != null)
      for (String x : l) if (eqic(x, s))
        return true;
    return false;
  }

  public static boolean containsIgnoreCase(String[] l, String s) {
    if (l != null)
      for (String x : l) if (eqic(x, s))
        return true;
    return false;
  }

  public static boolean containsIgnoreCase(String s, char c) {
    return indexOfIgnoreCase(s, String.valueOf(c)) >= 0;
  }

  public static boolean containsIgnoreCase(String a, String b) {
    return indexOfIgnoreCase(a, b) >= 0;
  }

  public static <A> Pair<A, A> listToPair(List<A> l) {
    return l(l) != 2 ? null : pair(first(l), second(l));
  }

  public static <A, B> A pairA(Pair<A, B> p) {
    return p == null ? null : p.a;
  }

  public static List<String> javaTokWithAllBrackets(String s) {
    return javaTokPlusBrackets2(s);
  }

  public static boolean eqGet(List l, int i, Object o) {
    return eq(get(l, i), o);
  }

  public static <A, B> boolean eqGet(Map<A, B> map, A key, Object o) {
    return eq(mapGet(map, key), o);
  }

  public static List<String> splitAtTokenIndices(List<String> tok, List<Integer> indices) {
    List<String> l = new ArrayList();
    for (int iI = -1; iI < l(indices); iI++) {
      int i = or(get(indices, iI), 0) + 1;
      int j = or(get(indices, iI + 1), l(tok));
      l.add(trimJoin(tok.subList(i, j)));
    }
    return l;
  }

  public static boolean jmatch_any(String pat, Iterable<String> l) {
    return jmatch_any(pat, l, null);
  }

  public static boolean jmatch_any(String pat, Iterable<String> l, Matches m) {
    for (String s : unnull(l)) if (jmatch(pat, s, m))
      return true;
    return false;
  }

  public static boolean jmatch_any(List<String> patterns, Iterable<String> l, Matches m) {
    if (nempty(patterns))
      for (String s : unnull(l)) for (String pat : patterns) if (jmatch(pat, s, m))
        return true;
    return false;
  }

  public static TreeSet<String> mapCISet(Object f, Iterable l) {
    return mapToCISet(f, l);
  }

  public static String uncurly(String s) {
    return tok_unCurlyBracket(s);
  }

  public static Set<String> ai_wordsInBothSidesOfPair(Pair<String, String> p) {
    return filterCISet("hasLetterOrDigit", ciSetIntersection(javaTokWithBracketsPlusJavaTokC(p.a), javaTokWithBracketsPlusJavaTokC(p.b)));
  }

  public static <A> boolean eqGetOneOf(List<A> l, int i, A... options) {
    return eqOneOf(get(l, i), options);
  }

  public static void tokAppend(List<String> tok, int i, String s) {
    tok.set(i, tok.get(i) + s);
  }

  public static void threadIndent() {
    print_threadIndentPlus();
  }

  public static void threadUnindent() {
    print_threadIndentMinus();
  }

  public static <A> TreeSet<A> treeSet() {
    return new TreeSet();
  }

  public static List<String> javaTokNPunctuation(String s) {
    List<String> tok = javaTok(s);
    for (int i = 1; i < l(tok); i += 2) {
      int j = i;
      String t;
      while (j < l(tok) && l(t = tok.get(j)) == 1 && !Character.isLetterOrDigit(t.charAt(0))) j += 2;
      if (j > i)
        replaceSubList(tok, i - 1, j, ll(joinSubList(tok, i - 1, j)));
    }
    return tok;
  }

  public static boolean mechCISetContains(String listName, String a) {
    return mechCISet(listName).contains(a);
  }

  public static void tokReplaceIfNotNull(List<String> tok, int i, String t) {
    if (t != null)
      tok.set(i, t);
  }

  public static String mechCIMapGet(String listName, String a) {
    return mechCIMap(listName).get(a);
  }

  public static List lazilyMap(final Object f, final List l) {
    return new RandomAccessAbstractList() {

      public final int size = l(l);

      public HashMap<Integer, Object> data = new HashMap();

      public int size() {
        return size;
      }

      public Object get(int i) {
        if (data.containsKey(i))
          return data.get(i);
        Object o = callF(f, l.get(i));
        data.put(i, o);
        return o;
      }
    };
  }

  public static List<String> codeTokens_lazy(final List<String> tok) {
    return new RandomAccessAbstractList<String>() {

      public final int size = l(tok) / 2;

      public int size() {
        return size;
      }

      public String get(int i) {
        return tok.get(i * 2 + 1);
      }
    };
  }

  public static boolean isDollarVar(String s) {
    return startsWith(s, '$') && isJavaIdentifierAfter(s, 1);
  }

  public static int roundToInt(double d) {
    return (int) Math.round(d);
  }

  public static <A> MultiMap<String, A> reverseMapAsMultiMapCI(Map<A, String> map) {
    return reverseMapAsMultiMap(map, (MultiMap) ciMultiMap());
  }

  public static List<String> javaTokPlusBrackets(String s) {
    return tok_combineRoundOrCurlyBrackets_keep(javaTok(s));
  }

  public static <A> List<A> wrapArrayAsList(A[] a) {
    return a == null ? null : Arrays.asList(a);
  }

  public static void cancelThread(Thread t) {
    if (t == null)
      return;
    ping();
    synchronized (ping_actions) {
      ping_actions.put(t, "cancelled");
      ping_anyActions = true;
    }
  }

  public static String loadCachedTranspilation(String id) {
    try {
      return loadTextFilePossiblyGZipped(getCachedTranspilationFile(id));
    } catch (Throwable __e) {
      return null;
    }
  }

  public static boolean machineIsOffline() {
    return isFalse(callF(vmGeneralMap_get("areWeOnline")));
  }

  public static boolean isOfflineMode() {
    return eq("1", trim(loadProgramTextFile("#1005806", "offline-mode")));
  }

  public static boolean isLocalSnippet(String snippetID) {
    return isLocalSnippetID(snippetID);
  }

  public static boolean isLocalSnippet(long snippetID) {
    return isLocalSnippetID(snippetID);
  }

  public static String getServerTranspiled(String snippetID) {
    return getServerTranspiled(snippetID, null);
  }

  public static String getServerTranspiled(String snippetID, String expectedMD5) {
    try {
      long id = parseSnippetID(snippetID);
      String text = loadPage_utf8(tb_mainServer() + "/tb-int/get-transpiled.php?raw=1&withlibs=1&id=" + id + "&utf8=1" + (l(expectedMD5) > 1 ? "&md5=" + urlencode(expectedMD5) : "") + standardCredentials());
      if (nempty(text) && neq(text, "SAME"))
        saveTranspiledCode(snippetID, text);
      return text;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static void printExceptionShort(Throwable e) {
    print(exceptionToStringShort(e));
  }

  public static HashSet<String> allClasses_keywords = lithashset("class", "interface", "enum", "sclass", "sinterface", "record", "srecord");

  public static List<List<String>> allClasses(List<String> tok) {
    List<List<String>> l = new ArrayList();
    for (int i = 1; i < tok.size(); i += 2) {
      if (eq(tok.get(i), "{"))
        i = findEndOfBlock(tok, i) - 1;
      else if (allClasses_keywords.contains(tok.get(i)) && (i == 1 || !eqGetOneOf(tok, i - 2, ".", "include"))) {
        int j = i;
        while (j < tok.size() && !tok.get(j).equals("{")) j += 2;
        j = findEndOfBlock(tok, j) + 1;
        i = leftScanModifiers(tok, i);
        l.add(tok.subList(i - 1, Math.min(tok.size(), j)));
        i = j - 2;
      }
    }
    return l;
  }

  public static List<List<String>> allClasses(String text) {
    return allClasses(javaTok(text));
  }

  public static String getClassDeclarationName(List<String> tok) {
    if (tok != null)
      for (int i = 1; i + 2 < tok.size(); i += 2) if (allClasses_keywords.contains(tok.get(i)) && isIdentifier(tok.get(i + 2)))
        return tok.get(i + 2);
    return null;
  }

  public static List<String> findBlock(String pat, List<String> tok) {
    List<String> tokpat = javaTok(pat);
    int i = findCodeTokens(tok, toStringArray(codeTokensOnly(tokpat)));
    if (i < 0)
      return null;
    int bracketIdx = i + tokpat.size() - 3;
    assertEquals("{", tok.get(bracketIdx));
    int endIdx = findEndOfBlock(tok, bracketIdx);
    return subList(tok, i - 1, endIdx + 1);
  }

  public static String dummyMainClassName(String progID) {
    return "m" + psI(progID);
  }

  public static File tempDir() {
    return makeTempDir();
  }

  public static String tok_packageName(List<String> tok) {
    int i = jfind(tok, "package");
    if (i < 0)
      return "";
    i += 2;
    int j = jfind(tok, i, ";");
    if (j < 0)
      return "";
    return join(codeTokensOnly(subList(tok, i - 1, j)));
  }

  public static String tok_firstClassName(List<String> tok) {
    int i = jfind(tok, "class <id>");
    return i < 0 ? null : tok.get(i + 2);
  }

  public static File tempDirPossiblyInRAMDisk() {
    File f = linux_fileInRamDisk(aGlobalID());
    if (f != null) {
      f.mkdirs();
      return f;
    }
    return makeTempDir();
  }

  public static boolean loadLibraryOrSrcLib_srcLibsEnabled = true;

  public static File loadLibraryOrSrcLib(String snippetID) {
    try {
      long id = parseSnippetID(snippetID);
      boolean srcLib = loadLibraryOrSrcLib_srcLibsEnabled && isMarkedAsSrcLib(snippetID);
      if (srcLib)
        return pairA(hotwire_compile(snippetID));
      File f = DiskSnippetCache_getLibrary(id);
      if (fileSize(f) != 0)
        return f;
      try {
        return loadDataSnippetToFile(snippetID);
      } catch (Throwable e) {
        if (loadLibraryOrSrcLib_srcLibsEnabled && nempty(loadSnippet(snippetID))) {
          markAsSrcLib(snippetID);
          return pairA(hotwire_compile(snippetID));
        }
        throw rethrow(e);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static File pathToJavaxJar() {
    try {
      int x = latestInstalledJavaX();
      File xfile = new File(userHome(), ".javax/x" + Math.max(x, 30) + ".jar");
      if (!xfile.isFile()) {
        print("Saving " + f2s(xfile));
        String url = "http://tinybrain.de/x30.jar";
        byte[] data = loadBinaryPage(url);
        if (data.length < 1000000)
          throw fail("Could not load " + url);
        saveBinaryFile(xfile.getPath(), data);
      }
      return xfile;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean anyFileWithExtensionInDir(File dir, String ext) {
    return nempty(filesWithExtension(ext, findAllFiles_noDirs(dir)));
  }

  public static boolean dir2zip_recurse_verbose;

  public static int dir2zip_recurse(File inDir, File zip) {
    return dir2zip_recurse(inDir, zip, "");
  }

  public static int dir2zip_recurse(File inDir, File zip, String outPrefix) {
    try {
      mkdirsForFile(zip);
      FileOutputStream fout = newFileOutputStream(zip);
      ZipOutputStream outZip = new ZipOutputStream(fout);
      try {
        return dir2zip_recurse(inDir, outZip, outPrefix, 0);
      } finally {
        outZip.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static int dir2zip_recurse(File inDir, ZipOutputStream outZip) {
    return dir2zip_recurse(inDir, outZip, "", 0);
  }

  public static int dir2zip_recurse(File inDir, ZipOutputStream outZip, String outPrefix, int level) {
    try {
      if (++level >= 20)
        throw fail("woot? 20 levels in zip?");
      List<File> files = new ArrayList();
      for (File f : listFiles(inDir)) files.add(f);
      int n = 0;
      sortFilesByName(files);
      for (File f : files) {
        if (f.isDirectory()) {
          print("dir2zip_recurse: Scanning " + f.getAbsolutePath());
          n += dir2zip_recurse(f, outZip, outPrefix + f.getName() + "/", level);
        } else {
          if (dir2zip_recurse_verbose)
            print("Copying " + f.getName());
          outZip.putNextEntry(new ZipEntry(outPrefix + f.getName()));
          InputStream fin = new FileInputStream(f);
          copyStream(fin, outZip);
          fin.close();
          ++n;
        }
      }
      return n;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isInRAMDisk(File f) {
    return startsWith(f2s(f), "/dev/shm");
  }

  public static void deleteDirectory(File dir) {
    deleteDirectory(dir, false, false);
  }

  public static void deleteDirectory(File dir, boolean verbose, boolean testRun) {
    deleteAllFilesInDirectory(dir, verbose, testRun);
    if (verbose)
      print((testRun ? "Would delete " : "Deleting ") + dir.getAbsolutePath());
    if (!testRun)
      dir.delete();
  }

  public static void closeRandomAccessFile(RandomAccessFile f) {
    if (f != null)
      try {
        f.close();
        callJavaX("dropIO", f);
      } catch (Throwable e) {
        printStackTrace(e);
      }
  }

  public static RandomAccessFile newRandomAccessFile(File path, String mode) throws IOException {
    boolean forWrite = mode.indexOf('w') >= 0;
    if (forWrite)
      mkdirsForFile(path);
    RandomAccessFile f = new RandomAccessFile(path, mode);
    callJavaX("registerIO", f, path, forWrite);
    return f;
  }

  public static boolean isLowerHexString(String s) {
    for (int i = 0; i < l(s); i++) {
      char c = s.charAt(i);
      if (c >= '0' && c <= '9' || c >= 'a' && c <= 'f') {
      } else
        return false;
    }
    return true;
  }

  public static int randomID_defaultLength = 12;

  public static String randomID(int length) {
    return makeRandomID(length);
  }

  public static String randomID() {
    return randomID(randomID_defaultLength);
  }

  public static int globalIDLength() {
    return 16;
  }

  public static Set<String> allFields(Object o) {
    TreeSet<String> fields = new TreeSet();
    Class _c = _getClass(o);
    do {
      for (Field f : _c.getDeclaredFields()) fields.add(f.getName());
      _c = _c.getSuperclass();
    } while (_c != null);
    return fields;
  }

  public static int stdHash(Object a, String... fields) {
    if (a == null)
      return 0;
    int hash = getClassName(a).hashCode();
    for (String field : fields) hash = hash * 2 + hashCode(getOpt(a, field));
    return hash;
  }

  public static AccessControlContext vm_globalACC() {
    return vm_generalMap_get("Global ACC");
  }

  public static void replaceACCInClassLoader(Object o, AccessControlContext newACC) {
    ClassLoader cl = getClassLoaderOrSame(o);
    if (cl instanceof URLClassLoader) {
      try {
        setOpt(cl, "acc", newACC);
        try {
          setOpt(getOpt(cl, "ucp"), "acc", newACC);
        } catch (Throwable e) {
          printShortException(e);
          if (java10OrHigher())
            if (addDefaultVMOption("--add-opens java.base/jdk.internal.loader=ALL-UNNAMED"))
              print("Please restart the OS");
        }
      } catch (Throwable __e) {
        _handleException(__e);
      }
    }
  }

  public static String intToHex(int i) {
    return bytesToHex(intToBytes(i));
  }

  public static int identityHashCode(Object o) {
    return System.identityHashCode(o);
  }

  public static Iterator emptyIterator() {
    return Collections.emptyIterator();
  }

  public static String repeat(char c, int n) {
    n = Math.max(n, 0);
    char[] chars = new char[n];
    for (int i = 0; i < n; i++) chars[i] = c;
    return new String(chars);
  }

  public static <A> List<A> repeat(A a, int n) {
    n = Math.max(n, 0);
    List<A> l = new ArrayList(n);
    for (int i = 0; i < n; i++) l.add(a);
    return l;
  }

  public static <A> List<A> repeat(int n, A a) {
    return repeat(a, n);
  }

  public static String reverseString(String s) {
    return new StringBuilder(s).reverse().toString();
  }

  public static int indexOfIC(List<String> a, String b) {
    return indexOfIgnoreCase(a, b);
  }

  public static int indexOfIC(List<String> a, String b, int i) {
    return indexOfIgnoreCase(a, b, i);
  }

  public static int indexOfIC(String a, String b) {
    return indexOfIgnoreCase(a, b);
  }

  public static Map<String, List<String>> javaTok_cached_cache = synchronizedMRUCache(100);

  public static synchronized List<String> javaTok_cached(String s) {
    List<String> tok = javaTok_cached_cache.get(s);
    if (tok == null)
      javaTok_cached_cache.put(s, tok = javaTok(s));
    return tok;
  }

  public static List<Integer> indicesOfSubListIC(List<String> x, List<String> y) {
    List<Integer> l = new ArrayList();
    int i = 0;
    while (true) {
      int j = indexOfSubListIC(x, y, i);
      if (j < 0)
        break;
      l.add(j);
      i = j + 1;
    }
    return l;
  }

  public static void tokPrepend(List<String> tok, int i, String s) {
    tok.set(i, s + tok.get(i));
  }

  public static int indexOfIgnoreCase(List<String> a, String b) {
    return indexOfIgnoreCase(a, b, 0);
  }

  public static int indexOfIgnoreCase(List<String> a, String b, int i) {
    int n = l(a);
    for (; i < n; i++) if (eqic(a.get(i), b))
      return i;
    return -1;
  }

  public static int indexOfIgnoreCase(String a, String b) {
    return indexOfIgnoreCase_manual(a, b);
  }

  public static List<String> javaTokPlusBrackets2(String s) {
    return tok_combineRoundCurlySquareBrackets_keep(javaTok(s));
  }

  public static <A, B> B mapGet(Map<A, B> map, A a) {
    return map == null || a == null ? null : map.get(a);
  }

  public static <A, B> B mapGet(A a, Map<A, B> map) {
    return map == null || a == null ? null : map.get(a);
  }

  public static TreeSet<String> mapToCISet(Object f, Iterable l) {
    TreeSet<String> x = ciSet();
    if (l != null)
      for (Object o : l) addIfNotNull(x, (String) callF(f, o));
    return x;
  }

  public static Set<String> filterCISet(Iterable<String> c, Object pred) {
    Set<String> x = ciSet();
    if (c != null)
      for (String o : c) if (isTrue(callF(pred, o)))
        x.add(o);
    return x;
  }

  public static Set<String> filterCISet(Object pred, Iterable c) {
    return filterCISet(c, pred);
  }

  public static boolean hasLetterOrDigit(String s) {
    return containsLetterOrDigit(s);
  }

  public static Set<String> ciSetIntersection(Collection<String> a, Collection<String> b) {
    Set<String> set = ciSet();
    Set<String> bSet = asCISet(b);
    for (String x : a) if (bSet.contains(x))
      set.add(x);
    return set;
  }

  public static List<String> javaTokWithBracketsPlusJavaTokC(String s) {
    return concatLists(javaTokPlusBracketsC(s), javaTokC(s));
  }

  public static void print_threadIndentPlus() {
    print_setPrefixForThread(print_getPrefixForThread() + "  ");
  }

  public static void print_threadIndentMinus() {
    print_setPrefixForThread(dropSuffix("  ", print_getPrefixForThread()));
  }

  public static TreeSet<String> mechCISet(String name) {
    return asCISet(mechList(name));
  }

  public static Map<String, String> mechCIMap(String listName) {
    return mechMapCI(listName);
  }

  public static boolean isJavaIdentifierAfter(String s, int i) {
    int n = l(s);
    if (i >= n || !Character.isJavaIdentifierStart(s.charAt(i)))
      return false;
    for (i++; i < n; i++) if (!Character.isJavaIdentifierPart(s.charAt(i)))
      return false;
    return true;
  }

  public static <A, B> MultiMap<B, A> reverseMapAsMultiMap(Map<A, B> map) {
    return reverseMapAsMultiMap(map, new MultiMap());
  }

  public static <A, B> MultiMap<B, A> reverseMapAsMultiMap(Map<A, B> map, MultiMap<B, A> mm) {
    for (A key : keys(map)) mm.put(map.get(key), key);
    return mm;
  }

  public static <A> MultiMap<String, A> ciMultiMap() {
    return caseInsensitiveMultiMap();
  }

  public static String loadTextFilePossiblyGZipped(String fileName) {
    return loadTextFilePossiblyGZipped(fileName, null);
  }

  public static String loadTextFilePossiblyGZipped(String fileName, String defaultContents) {
    File gz = new File(fileName + ".gz");
    return gz.exists() ? loadGZTextFile(gz) : loadTextFile(fileName, defaultContents);
  }

  public static String loadTextFilePossiblyGZipped(File fileName) {
    return loadTextFilePossiblyGZipped(fileName, null);
  }

  public static String loadTextFilePossiblyGZipped(File fileName, String defaultContents) {
    return loadTextFilePossiblyGZipped(fileName.getPath(), defaultContents);
  }

  public static File getCachedTranspilationFile(String id) {
    return newFile(getCodeProgramDir(id), "Transpilation");
  }

  public static <A> A vmGeneralMap_get(Object key) {
    return vm_generalMap_get(key);
  }

  public static String loadProgramTextFile(String name) {
    return loadTextFile(getProgramFile(name));
  }

  public static String loadProgramTextFile(String progID, String name) {
    return loadTextFile(getProgramFile(progID, name));
  }

  public static String loadProgramTextFile(String progID, String name, String defaultText) {
    return loadTextFile(getProgramFile(progID, name), defaultText);
  }

  public static String loadPage_utf8(URL url) {
    return loadPage_utf8(url.toString());
  }

  public static String loadPage_utf8(String url) {
    loadPage_charset.set("UTF-8");
    try {
      return loadPage(url);
    } finally {
      loadPage_charset.set(null);
    }
  }

  public static void saveTranspiledCode(String progID, String code) {
    File dir = getCodeProgramDir(progID);
    new File(dir, "Transpilation").delete();
    saveGZTextFile(new File(dir, "Transpilation.gz"), code);
  }

  public static int findEndOfBlock(List<String> cnc, int i) {
    int j = i + 2, level = 1;
    while (j < cnc.size()) {
      if (cnc.get(j).equals("{"))
        ++level;
      else if (cnc.get(j).equals("}"))
        --level;
      if (level == 0)
        return j + 1;
      ++j;
    }
    return cnc.size();
  }

  public static int leftScanModifiers(List<String> tok, int i) {
    List<String> mod = getJavaModifiers();
    while (i > 1 && mod.contains(tok.get(i - 2))) i -= 2;
    return i;
  }

  public static <A> A assertEquals(Object x, A y) {
    return assertEquals(null, x, y);
  }

  public static <A> A assertEquals(String msg, Object x, A y) {
    if (assertVerbose())
      return assertEqualsVerbose(msg, x, y);
    if (!(x == null ? y == null : x.equals(y)))
      throw fail((msg != null ? msg + ": " : "") + y + " != " + x);
    return y;
  }

  public static File makeTempDir() {
    return (File) call(getJavaX(), "TempDirMaker_make");
  }

  public static File linux_fileInRamDisk(String name) {
    if (!isLinux())
      return null;
    File dir = newFile("/dev/shm");
    if (dir.isDirectory())
      return newFile(dir, name);
    return null;
  }

  public static boolean isMarkedAsSrcLib(String snippetID) {
    return snippetID != null && fileExists(javaxCodeDir("srclibs/" + psI(snippetID)));
  }

  public static Object hotwire_onCompile;

  public static boolean hotwire_serially;

  public static Lock hotwire_overInternalBot_lock = lock();

  public static boolean hotwire_compileOnServer;

  public static Class<?> hotwire_overInternalBot(String progID) {
    return hotwire_overInternalBot(progID, "main");
  }

  public static Class<?> hotwire_overInternalBot(String progID, String mainClass) {
    try {
      Pair<File, String> p = hotwire_compile(progID);
      File jar = p.a;
      assertTrue(jar.getAbsolutePath(), jar.isFile());
      List<File> files = hotwire_collectJars(jar);
      JavaXClassLoader classLoader = hotwire_makeClassLoader(files);
      classLoader.progID = progID;
      return hotwire_finish(classLoader, progID, p.b, mainClass);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Pair<File, String> hotwire_compile(String progID) {
    Pair<File, String> p = hotwire_compileOnServer && !isLocalSnippetID(progID) ? compileSnippetThroughServer(progID) : CompilerBot.compileSnippet2(progID);
    Lock __2096 = hotwire_serially ? hotwire_overInternalBot_lock : null;
    lock(__2096);
    try {
      callF(hotwire_onCompile, p);
      return p;
    } finally {
      unlock(__2096);
    }
  }

  public static void markAsSrcLib(String snippetID) {
    saveTextFile(javaxCodeDir("srclibs/" + psI(snippetID)), "");
  }

  public static int latestInstalledJavaX() {
    File[] files = new File(userHome(), ".javax").listFiles();
    int v = 0;
    if (files != null)
      for (File f : files) {
        Matcher m = Pattern.compile("x(\\d\\d\\d?)\\.jar").matcher(f.getName());
        if (m.matches())
          v = Math.max(v, Integer.parseInt(m.group(1)));
      }
    return v;
  }

  public static List<File> filesWithExtension(String ext, List<File> files) {
    return filesEndingWith(files, addPrefixIfNotEmpty2(".", ext));
  }

  public static List<File> findAllFiles_noDirs(List dirs) {
    return findAllFiles_noDirs(asObjectArray(dirs));
  }

  public static List<File> findAllFiles_noDirs(Object... dirs) {
    List<File> l = new ArrayList();
    for (Object dir : dirs) {
      if (dir instanceof String && ((String) dir).endsWith("/.")) {
        for (File f : listFiles(dropSuffix("/.", (String) dir))) if (f.isFile())
          l.add(f);
      } else
        findAllFiles_noDirs_impl(toFile(dir), l);
    }
    return l;
  }

  public static void findAllFiles_noDirs_impl(File dir, List<File> l) {
    for (File f : listFiles(dir)) {
      if (f.isDirectory())
        findAllFiles_noDirs_impl(f, l);
      else
        l.add(f);
    }
  }

  public static File[] listFiles(File dir) {
    File[] files = dir.listFiles();
    return files == null ? new File[0] : files;
  }

  public static File[] listFiles(String dir) {
    return listFiles(new File(dir));
  }

  public static void sortFilesByName(List<File> l) {
    sort(l, new Comparator<File>() {

      public int compare(File a, File b) {
        return stdcompare(a.getName(), b.getName());
      }
    });
  }

  public static int deleteAllFilesInDirectory_minPathLength = 10;

  public static void deleteAllFilesInDirectory(File dir) {
    deleteAllFilesInDirectory(dir, false, false);
  }

  public static void deleteAllFilesInDirectory(File dir, boolean verbose, boolean testRun) {
    dir = getCanonicalFile(dir);
    assertTrue(f2s(dir), l(f2s(dir)) >= deleteAllFilesInDirectory_minPathLength);
    File[] files = dir.listFiles();
    if (files == null)
      return;
    for (File f : files) {
      if (!isSymLink(f) && f.isDirectory())
        deleteDirectory(f, verbose, testRun);
      else {
        if (verbose)
          print((testRun ? "Would delete " : "Deleting ") + f.getAbsolutePath());
        if (!testRun)
          f.delete();
      }
    }
  }

  public static <A> A callJavaX(String method, Object... args) {
    return (A) callOpt(getJavaX(), method, args);
  }

  public static int hashCode(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  public static ClassLoader getClassLoaderOrSame(Object o) {
    return o instanceof ClassLoader ? (ClassLoader) o : getClassLoader(o);
  }

  public static void printShortException(Throwable e) {
    print(exceptionToStringShort(e));
  }

  public static boolean java10OrHigher() {
    return parseFirstInt(javaVersion()) >= 10;
  }

  public static boolean addDefaultVMOption(String option) {
    String s = defaultVMArgs(), old = s;
    if (!s.contains(option))
      s = trim(s + " " + option);
    if (eq(old, s))
      return false;
    {
      setDefaultVMArgs(s);
      return true;
    }
  }

  public static byte[] intToBytes(int i) {
    return new byte[] { (byte) (i >>> 24), (byte) (i >>> 16), (byte) (i >>> 8), (byte) i };
  }

  public static int indexOfSubListIC(List<String> x, List<String> y) {
    return indexOfSubListIC(x, y, 0);
  }

  public static int indexOfSubListIC(List<String> x, List<String> y, int i) {
    outer: for (; i + l(y) <= l(x); i++) {
      for (int j = 0; j < l(y); j++) if (neqic(x.get(i + j), y.get(j)))
        continue outer;
      return i;
    }
    return -1;
  }

  public static int indexOfIgnoreCase_manual(String a, String b) {
    int la = l(a), lb = l(b);
    if (la < lb)
      return -1;
    int n = la - lb;
    loop: for (int i = 0; i <= n; i++) {
      for (int j = 0; j < lb; j++) {
        char c1 = a.charAt(i + j), c2 = b.charAt(j);
        if (!eqic(c1, c2))
          continue loop;
      }
      return i;
    }
    return -1;
  }

  public static List<String> tok_combineRoundCurlySquareBrackets_keep(List<String> tok) {
    List<String> l = new ArrayList();
    for (int i = 0; i < l(tok); i++) {
      String t = tok.get(i);
      if (odd(i) && eqOneOf(t, "{", "(", "[")) {
        int j = findEndOfBracketPart2(tok, i);
        l.add(joinSubList(tok, i, j));
        i = j - 1;
      } else
        l.add(t);
    }
    return l;
  }

  public static boolean containsLetterOrDigit(String s) {
    for (int i = 0; i < l(s); i++) if (isLetterOrDigit(s.charAt(i)))
      return true;
    return false;
  }

  public static List<String> javaTokPlusBracketsC(String s) {
    return codeTokens(javaTokPlusBrackets(s));
  }

  public static List<String> javaTokC(String s) {
    if (s == null)
      return null;
    int l = s.length();
    ArrayList<String> tok = new ArrayList();
    int i = 0;
    while (i < l) {
      int j = i;
      char c, d;
      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);
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener || s.charAt(j) == '\n') {
            ++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));
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L')
          ++j;
      } else if (c == '[' && d == '[') {
        do ++j; while (j + 1 < l && !s.substring(j, j + 2).equals("]]"));
        j = Math.min(j + 2, l);
      } else if (c == '[' && d == '=' && i + 2 < l && s.charAt(i + 2) == '[') {
        do ++j; while (j + 2 < l && !s.substring(j, j + 3).equals("]=]"));
        j = Math.min(j + 3, l);
      } else
        ++j;
      tok.add(javaTok_substringC(s, i, j));
      i = j;
    }
    return tok;
  }

  public static void print_setPrefixForThread(final String prefix) {
    interceptPrintInThisThread(empty(prefix) ? null : new _PrintIndent(prefix));
  }

  public static String print_getPrefixForThread() {
    Object o = print_byThread().get();
    return o instanceof _PrintIndent ? ((_PrintIndent) o).prefix : "";
  }

  public static List<String> mechList(String name) {
    return mechList_tlft(name);
  }

  public static <A> MultiMap<String, A> caseInsensitiveMultiMap() {
    MultiMap<String, A> mm = new MultiMap();
    mm.data = caseInsensitiveMap();
    return mm;
  }

  public static String loadGZTextFile(File file) {
    try {
      if (!file.isFile())
        return null;
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      InputStream fis = new FileInputStream(file);
      GZIPInputStream gis = newGZIPInputStream(fis);
      try {
        byte[] buffer = new byte[1024];
        int len;
        while ((len = gis.read(buffer)) != -1) {
          baos.write(buffer, 0, len);
        }
      } finally {
        fis.close();
      }
      baos.close();
      return fromUtf8(baos.toByteArray());
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static File getCodeProgramDir() {
    return getCodeProgramDir(getProgramID());
  }

  public static File getCodeProgramDir(String snippetID) {
    return new File(javaxCodeDir(), formatSnippetID(snippetID));
  }

  public static File getCodeProgramDir(long snippetID) {
    return getCodeProgramDir(formatSnippetID(snippetID));
  }

  public static void saveGZTextFile(File file, String contents) {
    try {
      File parentFile = file.getParentFile();
      if (parentFile != null)
        parentFile.mkdirs();
      String tempFileName = file.getPath() + "_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());
        GZIPOutputStream gos = new GZIPOutputStream(fileOutputStream);
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(gos, "UTF-8");
        PrintWriter printWriter = new PrintWriter(outputStreamWriter);
        printWriter.print(contents);
        printWriter.close();
        gos.close();
        fileOutputStream.close();
      }
      if (file.exists() && !file.delete())
        throw new IOException("Can't delete " + file.getPath());
      if (contents != null)
        if (!tempFile.renameTo(file))
          throw new IOException("Can't rename " + tempFile + " to " + file);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static List<String> getJavaModifiers_list = litlist("static", "abstract", "public", "private", "protected", "final", "native", "volatile", "synchronized", "transient");

  public static List<String> getJavaModifiers() {
    return getJavaModifiers_list;
  }

  public static ThreadLocal<Boolean> assertVerbose_value = new ThreadLocal();

  public static void assertVerbose(boolean b) {
    assertVerbose_value.set(b);
  }

  public static boolean assertVerbose() {
    return isTrue(assertVerbose_value.get());
  }

  public static <A> A assertEqualsVerbose(Object x, A y) {
    assertEqualsVerbose((String) null, x, y);
    return y;
  }

  public static <A> A assertEqualsVerbose(String msg, Object x, A y) {
    if (!eq(x, y)) {
      throw fail((msg != null ? msg + ": " : "") + (y) + " != " + (x));
    } else
      print("OK: " + (x));
    return y;
  }

  public static Cache<Boolean> isLinux_cache = new Cache("isLinux_load");

  public static boolean isLinux() {
    return isLinux_cache.get();
  }

  public static Boolean isLinux_load() {
    return !isWindows() && !isMac() && !isAndroid();
  }

  public static File javaxCodeDir_dir;

  public static File javaxCodeDir() {
    return javaxCodeDir_dir != null ? javaxCodeDir_dir : new File(userHome(), "JavaX-Code");
  }

  public static File javaxCodeDir(String sub) {
    return newFile(javaxCodeDir(), sub);
  }

  public static List<File> hotwire_collectJars(File jar) {
    List<String> libIDs = hotwire_libraryIDsFromJar_deleteJarOnFail(jar);
    List<File> files = ll(jar);
    for (String libID : libIDs) files.add(loadLibraryOrSrcLib(libID));
    return files;
  }

  public static Class hotwire_finish(ClassLoader classLoader, String progID, String javaSource) {
    return hotwire_finish(classLoader, progID, javaSource, "main");
  }

  public static Class hotwire_finish(ClassLoader classLoader, String progID, String javaSource, String mainClass) {
    try {
      Class<?> theClass = classLoader.loadClass(mainClass);
      Class j = getJavaX();
      setOpt(theClass, "myJavaSource_code", javaSource);
      synchronized (j) {
        call(j, "setVars", theClass, progID);
        callOpt(j, "addInstance", progID, theClass);
      }
      hotwire_copyOver(theClass);
      return theClass;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static Pair<File, String> compileSnippetThroughServer(String progID) {
    String transpiledSrc = getServerTranspiled2(progID);
    String md5 = md5(transpiledSrc + "\n" + progID);
    File jar = CompilerBot.getJarFile(md5);
    if (jar == null || jar.length() <= 22) {
      byte[] jarData = null;
      try {
        jarData = loadBinaryPage("http://www.botcompany.de/jar/" + psI(progID) + "?md5=" + md5(transpiledSrc));
      } catch (Throwable __e) {
        _handleException(__e);
      }
      if (!isJAR(jarData)) {
        print(bytesToHex(takeFirstOfByteArray(8, jarData)));
        print("fallback to CompilerBot: " + fromUtf8(takeFirstOfByteArray(80, jarData)));
        return CompilerBot.compileSnippet2(progID);
      }
      saveBinaryFile(jar, jarData);
    }
    return pair(jar, transpiledSrc);
  }

  public static List<File> filesEndingWith(File dir, String suffix) {
    return listFilesWithSuffix(dir, suffix);
  }

  public static List<File> filesEndingWith(List<File> l, String suffix) {
    List<File> out = new ArrayList();
    for (File f : unnull(l)) if (!f.isDirectory() && (empty(suffix) || endsWithIgnoreCase(f.getName(), suffix)))
      out.add(f);
    return out;
  }

  public static File toFile(Object o) {
    if (o instanceof File)
      return (File) o;
    if (o instanceof String)
      return new File((String) o);
    throw fail("Not a file: " + o);
  }

  public static File getCanonicalFile(File f) {
    try {
      return f == null ? null : f.getCanonicalFile();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static boolean isSymLink(File f) {
    return f != null && Files.isSymbolicLink(toPath(f));
  }

  public static ClassLoader getClassLoader(Object o) {
    return o == null ? null : _getClass(o).getClassLoader();
  }

  public static int parseFirstInt(String s) {
    return parseInt(jextract("<int>", s));
  }

  public static String javaVersion() {
    return System.getProperty("java.version");
  }

  public static String defaultVMArgs() {
    return javaxDefaultVMArgs();
  }

  public static void setDefaultVMArgs(String args) {
    String oldArgs = javaxDefaultVMArgs();
    args = trim(args);
    if (neq(unnull(oldArgs), unnull(args))) {
      print();
      print("Changing default VM arguments from");
      print("  " + oldArgs);
      print("to");
      print("  " + args);
      print();
      saveTextFile(javaxDataDir("default-vm-args"), nullIfEmpty(args));
    }
  }

  public static boolean neqic(String a, String b) {
    return !eqic(a, b);
  }

  public static int findEndOfBracketPart2(List<String> cnc, int i) {
    int j = i + 2, level = 1;
    while (j < cnc.size()) {
      if (eqOneOf(cnc.get(j), "{", "(", "["))
        ++level;
      else if (eqOneOf(cnc.get(j), "}", ")", "]"))
        --level;
      if (level == 0)
        return j + 1;
      ++j;
    }
    return cnc.size();
  }

  public static Object interceptPrintInThisThread(Object f) {
    Object old = print_byThread().get();
    print_byThread().set(f);
    return old;
  }

  public static List<String> mechList_tlft(String name) {
    return tlft(mechList_raw(name));
  }

  public static boolean isMac() {
    return System.getProperty("os.name").toLowerCase().contains("mac");
  }

  public static List<String> hotwire_libraryIDsFromJar_deleteJarOnFail(File jar) {
    try {
      return hotwire_libraryIDsFromJar(jar);
    } catch (Throwable _e) {
      jar.delete();
      throw rethrow(_e);
    }
  }

  public static byte[] isJAR_magic = bytesFromHex("504B0304");

  public static boolean isJAR(byte[] data) {
    return byteArrayStartsWith(data, isJAR_magic);
  }

  public static boolean isJAR(File f) {
    return isJAR(loadBeginningOfBinaryFile(f, l(isJAR_magic)));
  }

  public static byte[] takeFirstOfByteArray(byte[] b, int n) {
    return subByteArray(b, 0, n);
  }

  public static byte[] takeFirstOfByteArray(int n, byte[] b) {
    return takeFirstOfByteArray(b, n);
  }

  public static List<File> listFilesWithSuffix(File dir, String suffix) {
    List<File> l = new ArrayList();
    for (File f : listFiles(dir)) if (!f.isDirectory() && (empty(suffix) || endsWithIgnoreCase(f.getName(), suffix)))
      l.add(f);
    return l;
  }

  public static Path toPath(File f) {
    return f == null ? null : f.toPath();
  }

  public static String jextract(String pat, String s) {
    return jextract(pat, javaTok(s));
  }

  public static String jextract(String pat, List<String> tok) {
    List<String> tokpat = javaTok(pat);
    jfind_preprocess(tokpat);
    int i = jfind(tok, tokpat);
    if (i < 0)
      return null;
    int j = i + l(tokpat) - 2;
    return joinSubList(tok, i, j);
  }

  public static String javaxDefaultVMArgs() {
    File fileNew, fileOld;
    String text = loadTextFile(fileNew = javaxDataDir("default-vm-args"));
    if (text == null) {
      text = loadTextFile(fileOld = programFile("#1005850", "default-vm-args"));
      if (text != null)
        moveFile(fileOld, fileNew);
    }
    return trim(unnull(text));
  }

  public static List<String> hotwire_libraryIDsFromJar(File jar) {
    String dehlibs = unnull(loadTextFileFromZip(jar, "libraries"));
    return regexpExtractAll("\\d+", dehlibs);
  }

  public static byte[] subByteArray(byte[] b, int start, int end) {
    start = max(start, 0);
    end = min(end, l(b));
    if (start == 0 && end == l(b))
      return b;
    if (start >= end)
      return new byte[0];
    byte[] x = new byte[end - start];
    System.arraycopy(b, start, x, 0, end - start);
    return x;
  }

  public static File programFile(String name) {
    return prepareProgramFile(name);
  }

  public static File programFile(String progID, String name) {
    return prepareProgramFile(progID, name);
  }

  public static void moveFile(File a, File b) {
    if (!renameFile(a, b))
      throw fail("File move failed: " + a + " to " + b);
  }

  public static String loadTextFileFromZip(File inZip, String fileName) {
    return loadTextFileFromZipFile(inZip, fileName);
  }

  public static List<String> regexpExtractAll(String pat, String s) {
    if (s == null)
      return null;
    Matcher m = regexpMatcher(pat, s);
    List<String> out = new ArrayList();
    while (m.find()) out.add(m.group());
    return out;
  }

  public static File prepareProgramFile(String name) {
    return mkdirsForFile(getProgramFile(name));
  }

  public static File prepareProgramFile(String progID, String name) {
    return mkdirsForFile(getProgramFile(progID, name));
  }

  public static boolean renameFile(File a, File b) {
    mkdirsForFile(b);
    return a.renameTo(b);
  }

  public static boolean renameFile(File a, String newName) {
    return renameFile(a, fileInSameDir(a, newName));
  }

  public static class _PrintIndent extends F1<String, Boolean> {

    public String prefix;

    public boolean beginningOfLine = true;

    public _PrintIndent() {
    }

    public _PrintIndent(String prefix) {
      this.prefix = prefix;
    }

    public Boolean get(String s) {
      if (empty(s))
        return false;
      if (beginningOfLine)
        print_raw(prefix);
      boolean nl = s.endsWith("\n");
      if (nl)
        s = dropLast(s);
      s = s.replace("\n", "\n" + prefix);
      print_raw(s);
      if (nl)
        print_raw("\n");
      beginningOfLine = nl;
      return false;
    }
  }

  public abstract static class RandomAccessAbstractList<A> extends AbstractList<A> implements RandomAccess {
  }

  public static class Cache<A> {

    public Object maker;

    public A value;

    public long loaded;

    public static boolean debug;

    public long changeCount;

    public Lock lock = lock();

    public Cache() {
    }

    public Cache(Object maker) {
      this.maker = maker;
    }

    public A get() {
      if (hasLock(lock))
        return value;
      Lock __2323 = lock;
      lock(__2323);
      try {
        if (loaded == 0) {
          value = make();
          changeCount++;
          loaded = sysNow();
        }
        return value;
      } finally {
        unlock(__2323);
      }
    }

    public void clear() {
      Lock __2324 = lock;
      lock(__2324);
      try {
        if (debug && loaded != 0)
          print("Clearing cache");
        value = null;
        changeCount++;
        loaded = 0;
      } finally {
        unlock(__2324);
      }
    }

    public void clear(double seconds) {
      Lock __2325 = lock;
      lock(__2325);
      try {
        if (seconds != 0 && loaded != 0 && sysNow() >= loaded + seconds * 1000)
          clear();
      } finally {
        unlock(__2325);
      }
    }

    public void set(A a) {
      Lock __2326 = lock;
      lock(__2326);
      try {
        value = a;
        ++changeCount;
        loaded = sysNow();
      } finally {
        unlock(__2326);
      }
    }

    public A make() {
      return (A) callF(maker);
    }
  }

  public static boolean hasLock(Lock lock) {
    return ((ReentrantLock) lock).isHeldByCurrentThread();
  }
}