import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import java.util.function.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.awt.geom.*;
import javax.imageio.*;
import java.math.*;
import x30_pkg.x30_util;
import static x30_pkg.x30_util.VF1;
import static x30_pkg.x30_util.l;
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.assertTrue;
import static x30_pkg.x30_util.isHeadless;
import static x30_pkg.x30_util.isAndroid;
import static x30_pkg.x30_util.isTrue;
import x30_pkg.x30_util.DynamicObject;
import loadableUtils.utils;
import static loadableUtils.utils._threadInfo;
import static loadableUtils.utils._threadInheritInfo;
import static loadableUtils.utils.dm_currentModule;
import static loadableUtils.utils.dm_current_mandatory;
import static loadableUtils.utils.match;
import static loadableUtils.utils.setOpt_raw;
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.structure;
import static loadableUtils.utils.loadPage;
import static loadableUtils.utils.loadPage_utf8;
import static loadableUtils.utils.loadPageSilently;
import static loadableUtils.utils.loadSnippet;
import static loadableUtils.utils.loadSnippetQuietly;
import static loadableUtils.utils.componentPopupMenu;
import static loadableUtils.utils.dm_current_generic;
import static loadableUtils.utils.dm_current_mandatory_generic;
import static loadableUtils.utils.DynamicObject_loading;
import static loadableUtils.utils.rethrow;
import static loadableUtils.utils.realMC_tl;
import loadableUtils.utils.F0;
import loadableUtils.utils.F1;
import loadableUtils.utils.IF0;
import loadableUtils.utils.IF1;
import loadableUtils.utils.IVF1;
import loadableUtils.utils.IVF2;
import loadableUtils.utils.Matches;
import loadableUtils.utils.BetterLabel;
import loadableUtils.utils.Snippet;
import loadableUtils.utils.Q;
import loadableUtils.utils.RGBImage;
import loadableUtils.utils.MultiSet;
import loadableUtils.utils.Concept;
import loadableUtils.utils.Concepts;
import loadableUtils.utils.IterableIterator;
import loadableUtils.utils.PersistableThrowable;
import loadableUtils.utils.DynModule;
import loadableUtils.utils.Rect;
import loadableUtils.utils.Pt;
import javax.swing.event.AncestorListener;
import javax.swing.event.AncestorEvent;
import javax.swing.Timer;
import javax.swing.undo.UndoManager;
import javax.imageio.metadata.*;
import javax.imageio.stream.*;
import java.awt.datatransfer.StringSelection;
import java.nio.charset.Charset;
import java.awt.geom.*;
import java.text.SimpleDateFormat;
import java.text.NumberFormat;
import org.fife.ui.autocomplete.*;
import org.fife.rsta.ui.CollapsibleSectionPanel;
import org.fife.rsta.ui.GoToDialog;
import org.fife.rsta.ui.SizeGripIcon;
import org.fife.rsta.ui.search.FindDialog;
import org.fife.rsta.ui.search.ReplaceDialog;
import org.fife.rsta.ui.search.ReplaceToolBar;
import org.fife.rsta.ui.search.SearchEvent;
import org.fife.rsta.ui.search.SearchListener;
import org.fife.rsta.ui.search.FindToolBar;
import org.fife.ui.rsyntaxtextarea.ErrorStrip;
import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
import org.fife.ui.rsyntaxtextarea.SyntaxConstants;
import org.fife.ui.rtextarea.RTextScrollPane;
import org.fife.ui.rtextarea.SearchContext;
import org.fife.ui.rtextarea.SearchEngine;
import org.fife.ui.rtextarea.SearchResult;
import java.awt.Dialog;
import org.fife.ui.rsyntaxtextarea.RSyntaxDocument;
import org.fife.ui.rsyntaxtextarea.SyntaxScheme;
import org.fife.ui.rsyntaxtextarea.*;
import java.nio.file.Files;
import java.nio.file.Path;

class main {

  static public class SFEditor extends DynModule {

    public Object editing;

    public String remoteText;

    public Integer snippetType;

    public String savedText;

    public int caretPos;

    public int fontSize = 16;

    public String fontID = "#1400031";

    public String snippetTitle;

    static public boolean _switchableField_alwaysTranspileHere = true;

    public boolean alwaysTranspileHere = true;

    transient public EditorFrame2 e;

    transient public SimpleLiveValue<Object> lvEditing;

    transient public AutoCompletion autoCompletion;

    transient public ReliableSingleThread rstAutoComplete = dm_rst(this, new Runnable() {

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

      public String toString() {
        return "installAutoComplete();";
      }
    });

    transient public boolean installAutoComplete_first = false;

    transient public Set<String> autoComplete_lastSet;

    transient public int autoCompleteRefreshDelay = 1000;

    transient public JFastLogView_noWrap transpilationErrorBox;

    transient public ReliableSingleThread persistLater = rstWithDelay(10.0, new Runnable() {

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

      public String toString() {
        return "persistMe();";
      }
    });

    transient public JButton saveAndTranspileButton;

    public void load(String field) {
    }

    public <A> A setAndSave(String field, A value) {
      return setFieldAndReturn(field, value);
    }

    public <A> A setAndSaveIfChanged(String field, A value) {
      return setFieldAndReturn(field, value);
    }

    public boolean warnOnDelete() {
      return neq(e.getText(), unnull(remoteText));
    }

    public void reset() {
      cleanMeUp();
      autoCompletion = null;
      autoComplete_lastSet = null;
      start();
    }

    public void start() {
      swing(() -> {
        AutoCloseable __13 = enter();
        try {
          installAutoComplete_first = true;
          lvEditing = dm_fieldLiveValue("editing");
          e = new EditorFrame2();
          e._setFont(deriveFont(loadFont(fontID), e._getFont().getSize()));
          e._setFontSize(fontSize);
          main.onChangeAndNow(e.textArea, rstAutoComplete);
          e.textArea.getInputMap().put(ctrlKeyStroke(KeyEvent.VK_S), abstractAction("Save", runnableThread(new Runnable() {

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

            public String toString() {
              return "saveThen(null)";
            }
          })));
          e.setText(savedText);
          load("caretPos");
          setCaretPosition(e.textArea, caretPos);
        } finally {
          _close(__13);
        }
      });
    }

    public JComponent visualize() {
      return e.panel;
    }

    public void enhanceFrame(Container f) {
      super.enhanceFrame(f);
      e.prepareFrame(((JInternalFrame) f));
      minimalFrameSize(((JInternalFrame) f), 400, 400);
      reload();
      makeMenus(f);
      awtCalcEvery(((JInternalFrame) f).getRootPane(), 1000, new Runnable() {

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

        public String toString() {
          return "update();";
        }
      });
      onPossiblyInternalFrameDeactivated(((JInternalFrame) f).getRootPane(), new Runnable() {

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

        public String toString() {
          return "fullUpdate();";
        }
      });
    }

    public void makeMenus(Container f) {
      if (f == null)
        return;
      boolean wasEmpty = countComponents(getMenuBar(f)) < 2;
      addMenu(f, "&View", "Bigger font", new Runnable() {

        public void run() {
          try {
            e._setFontSize(setAndSave("fontSize", e._getFontSize() + 1));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "e._setFontSize(setAndSave(fontSize := e._getFontSize()+1))";
        }
      }, "Smaller font", new Runnable() {

        public void run() {
          try {
            e._setFontSize(setAndSave("fontSize", max(1, e._getFontSize() - 1)));
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "e._setFontSize(setAndSave(fontSize := max(1, e._getFontSize()-1)))";
        }
      }, "---", "Show snippet in browser", runnableThread(new Runnable() {

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

        public String toString() {
          return "showInBrowser();";
        }
      }));
      addMenu(f, "&New", "New text", new Runnable() {

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

        public String toString() {
          return "newText();";
        }
      }, "New window", runnableThread(new Runnable() {

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

        public String toString() {
          return "dm_showNewModule(dm_moduleLibID())";
        }
      }));
      addMenu(f, "&Load", "Load snippet...", new Runnable() {

        public void run() {
          try {
            selectSnippetID(new VF1<String>() {

              public void get(String snippetID) {
                try {
                  _loadSnippet(snippetID);
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "_loadSnippet(snippetID)";
              }
            });
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "selectSnippetID(new VF1<String>() { public void get(String snippetID) ctex { ...";
        }
      }, "Load file...", new Runnable() {

        public void run() {
          try {
            selectFile("File to load", new VF1<File>() {

              public void get(File f) {
                try {
                  _loadFile(f);
                } catch (Exception __e) {
                  throw rethrow(__e);
                }
              }

              public String toString() {
                return "_loadFile(f)";
              }
            });
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "selectFile(\"File to load\", new VF1<File>() { public void get(File f) ctex {  ...";
        }
      }, "Reload", runnableThread(new Runnable() {

        public void run() {
          try {
            if (editing != null) {
              reload();
              main.setText(e.textArea, remoteText);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "// TODO: single thread\r\n      if (editing != null) {\r\n        reload();\r\n    ...";
        }
      }));
      LiveValue<String> lvSaveCmd = mapLiveValue(new F1<Object, String>() {

        public String get(Object editing) {
          try {
            return editing instanceof String ? "Save snippet " + editing : editing instanceof File ? "Save file " + f2s((File) editing) : "{Save}";
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "editing instanceof S ? \"Save snippet \" + editing\r\n        : editing instanceo...";
        }
      }, String.class, lvEditing);
      addMenu(f, "&Save", lvSaveCmd, runnableThread(new Runnable() {

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

        public String toString() {
          return "saveThen(null)";
        }
      }), "Save as snippet...", new Runnable() {

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

        public String toString() {
          return "saveAsSnippet();";
        }
      }, "Save as file...", new Runnable() {

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

        public String toString() {
          return "saveAsFile();";
        }
      }, "Rename snippet...", runnableThread(new Runnable() {

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

        public String toString() {
          return "renameTheSnippet();";
        }
      }));
      addMenu(f, "&Transpile", "Save & Quick Transpile", new Runnable() {

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

        public String toString() {
          return "transpile(false)";
        }
      }, "Save & Medium Transpile", new Runnable() {

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

        public String toString() {
          return "transpile(true)";
        }
      }, "---", "Show transpilation", new Runnable() {

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

        public String toString() {
          return "showTranspilation();";
        }
      });
      addMenu(f, "&Activate", eq(snippetType, snippetType_JavaXDesktop()) ? "Run" : null, runnableThread(new Runnable() {

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

        public String toString() {
          return "runIt();";
        }
      }), isString(editing) ? "Load Module" : null, runnableThread(new Runnable() {

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

        public String toString() {
          return "_loadModule();";
        }
      }), isString(editing) ? "Reload Module" : null, runnableThread(new Runnable() {

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

        public String toString() {
          return "_reloadModule();";
        }
      }), haveMuricaPassword() ? "Reload on server" : null, runnableThread(new Runnable() {

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

        public String toString() {
          return "_butterReload();";
        }
      }), haveMuricaPassword() ? "Transpile quick & reload on server" : null, runnableThread(new Runnable() {

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

        public String toString() {
          return "transpileAndButterReload(false)";
        }
      }), haveMuricaPassword() ? "Transpile medium & reload on server" : null, runnableThread(new Runnable() {

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

        public String toString() {
          return "transpileAndButterReload(true)";
        }
      }));
      if (wasEmpty) {
        addToContainer(getMenuBar(f), Box.createHorizontalGlue());
        addToContainer(getMenuBar(f), jbutton("Save", runnableThread(new Runnable() {

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

          public String toString() {
            return "saveThen(null)";
          }
        })), setToolTip("Save & medium-transpile", setBorderPainted(false, saveAndTranspileButton = jimagebutton("#1102952", runnableThread(new Runnable() {

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

          public String toString() {
            return "transpile(true)";
          }
        })))));
      }
    }

    public void reload() {
      if (editing instanceof String)
        _loadSnippet_noSet((String) editing);
      else if (editing instanceof File)
        _loadFile_noSet((File) editing);
    }

    public void update() {
      update(internalFrameActive(e.panel));
    }

    public void fullUpdate() {
      update(true);
    }

    public void update(boolean full) {
      if (e == null)
        return;
      String text = e.getText();
      int cp = getCaretPosition(e.textArea);
      if (neq(savedText, text)) {
        setAndSave("savedText", text);
        setAndSave("caretPos", cp);
      } else if (cp != caretPos) {
        caretPos = cp;
        persistLater.trigger();
      }
      if (!full)
        return;
      String status = remoteText != null && neq(remoteText, text) ? "Changes. " : "";
      Pair<Integer, String> p = testBracketHygieneExt(text);
      status += p == null ? "Hygienic" : p.b;
      silentStatus(trim(status));
    }

    public void status(String s) {
      silentStatus(infoBoxAndReturn(s));
    }

    public void silentStatus(String s) {
      e.setStatus(s);
    }

    public void saveThen(Runnable next) {
      final String text = dropCarriageReturn(getText());
      if (editing instanceof String) {
        status("Saving snippet...");
        {
          startThread(new Runnable() {

            public void run() {
              try {
                final String page = editSnippet(((String) editing), text);
                remoteText = text;
                status("Saved snippet: " + page);
                callF(next);
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "final String page = editSnippet(((String) editing), text);\r\n        remoteTex...";
            }
          });
        }
      } else if (editing instanceof File) {
        status("Saving file...");
        {
          startThread(new Runnable() {

            public void run() {
              try {
                saveTextFile(((File) editing), text);
                remoteText = text;
                status("Saved file");
                callF(next);
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "saveTextFile(((File) editing), text);\r\n        remoteText = text;\r\n        st...";
            }
          });
        }
      }
    }

    public void renameTheSnippet() {
      AutoCloseable __14 = enter();
      try {
        if (!(editing instanceof String)) {
          infoBox("Not editing a snippet");
          return;
        }
        String snippetID = (String) editing;
        inputText("Rename snippet " + snippetID, snippetTitle(snippetID), new VF1<String>() {

          public void get(String name) {
            try {
              renameSnippet(snippetID, snippetTitle = name);
              setModuleName("Editing: " + snippetID + " - " + quote(snippetTitle));
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "renameSnippet(snippetID, snippetTitle = name);\r\n      setModuleName(\"Editing:...";
          }
        });
      } finally {
        _close(__14);
      }
    }

    public void _butterReload() {
      {
        long _startTime_11 = sysNow();
        try {
          butterReload((String) editing);
        } finally {
          _startTime_11 = sysNow() - _startTime_11;
          saveTiming(_startTime_11);
        }
      }
      infoBox("Reloaded in " + lastTiming_format100ms());
    }

    public void transpileAndButterReload(boolean medium) {
      transpile(medium, "onSuccess", new Runnable() {

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

        public String toString() {
          return "_butterReload();";
        }
      });
    }

    public void transpile(boolean medium, Object... __) {
      saveThen(new Runnable() {

        public void run() {
          try {
            _transpile(medium, __);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "_transpile(medium, __)";
        }
      });
    }

    public void _transpile(boolean medium, Object... __) {
      Runnable onSuccess = (Runnable) (optPar("onSuccess", __));
      status("Transpiling...");
      String toTranspile = or(mainTranspilationSnippetFromSrc(getText()), (String) editing);
      String msg = "Transpiling " + toTranspile + "...";
      infoBox(msg);
      startThread(msg, new Runnable() {

        public void run() {
          try {
            try {
              Pair<Boolean, String> p;
              {
                AutoCloseable __15 = tempDisableButton(saveAndTranspileButton);
                try {
                  p = transpileHereOrOnServer(toTranspile, medium, "alwaysHere", alwaysTranspileHere);
                } finally {
                  _close(__15);
                }
              }
              swingLater(new Runnable() {

                public void run() {
                  try {
                    if (p.a) {
                      status("Transpiled OK!");
                      hideWindow(transpilationErrorBox);
                      transpilationErrorBox = null;
                      callFInNewThread(onSuccess);
                    } else {
                      String text = htmlDecode(htmlDecode(p.b));
                      status("Transpilation error. " + text);
                      boolean first = transpilationErrorBox == null;
                      transpilationErrorBox = maximizeFrame(scrollAllTheWayDown(showText_fast_noWrap(transpilationErrorBox, "Transpilation Error", text)));
                      if (first) {
                        setFrameIcon("#1101268", transpilationErrorBox);
                        addButtonsToWindow(transpilationErrorBox, "Medium transpile", new Runnable() {

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

                          public String toString() {
                            return "_transpile(true)";
                          }
                        });
                      }
                    }
                  } catch (Exception __e) {
                    throw rethrow(__e);
                  }
                }

                public String toString() {
                  return "if (p.a) {\r\n            status(\"Transpiled OK!\");\r\n            hideWindow(tra...";
                }
              });
            } catch (Throwable e) {
              printStackTrace(e);
              status("Transpilation problem. " + e);
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "try {\r\n        Pair<Boolean, String> p;\r\n        {\r\n           AutoCloseable ...";
        }
      });
    }

    public void _loadSnippet(String snippetID) {
      AutoCloseable __16 = enter();
      try {
        _loadSnippet_noSet(snippetID);
        e.textArea.setText(remoteText);
      } finally {
        _close(__16);
      }
    }

    public void _loadSnippet_noSet(String snippetID) {
      remoteText = loadSnippet(snippetID);
      setField("snippetType", getSnippetType(snippetID));
      setAndSave("editing", snippetID);
      setModuleName("Editing: " + snippetID + " - " + quote(snippetTitle = snippetTitle(snippetID)));
      print("_loadSnippet_noSet: Making menus for " + dm_frame() + " of " + className(dm_vis()));
      makeMenus(dm_frame());
    }

    public void _loadFile(File f) {
      _loadFile_noSet(f);
      e.textArea.setText(remoteText);
    }

    public void _loadFile_noSet(File f) {
      remoteText = loadTextFile(f);
      setField("snippetType", null);
      setAndSave("editing", f);
      setModuleName("Editing: " + f2s(f));
      makeMenus(dm_frame());
    }

    public void newText() {
      setAndSave("editing", null);
      remoteText = null;
      setField("snippetType", null);
      String lastText = e.getText();
      if (nempty(lastText))
        logQuotedWithDate("saved-texts.log", lastText);
      e.setText("");
      setModuleName(programTitle());
    }

    public void cleanMeUp() {
      update(false);
    }

    public void installAutoComplete() {
      if (installAutoComplete_first)
        installAutoComplete_first = false;
      else
        sleep(autoCompleteRefreshDelay);
      Set<String> set = concatListsToSet(allJavaKeywords(), standardFunctionNames(), deepWords(getText()), deepWords(snippetTitle));
      if (eq(set, autoComplete_lastSet))
        return;
      autoComplete_lastSet = set;
      final DefaultCompletionProvider provider = new DefaultCompletionProvider();
      provider.addCompletions(map(new F1<String, Completion>() {

        public Completion get(String s) {
          try {
            return new BasicCompletion(provider, s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "new BasicCompletion(provider, s)";
        }
      }, set));
      {
        swing(() -> {
          if (autoCompletion == null) {
            (autoCompletion = new AutoCompletion(provider)).install(e.textArea);
            call(autoCompletion, "setHideOnCompletionProviderChange", false);
          } else
            autoCompletion.setCompletionProvider(provider);
        });
      }
    }

    public void newWindow() {
      copyFields(this, new SFEditor(), "fontSize").start();
    }

    public void runIt() {
      if (editing instanceof String)
        nohupJavax((String) editing);
    }

    public void saveAsSnippet() {
      JTextField tfTitle = jtextfield(snippetTitle);
      JComboBox cbType = jComboBox_javaxTypes();
      JCheckBox cbPublic = jCheckBox("Public", true);
      renameSubmitButton("Create snippet", showFormTitled("Save as new snippet", "Title:", tfTitle, "Type:", cbType, "", cbPublic, runnableThread(new Runnable() {

        public void run() {
          try {
            {
              AutoCloseable __17 = tempShowLoadingAnimation();
              try {
                int type = parseFirstInt(getSelectedItem(cbType));
                String title = getTextTrim(tfTitle);
                String snippetID = createSnippet(getText(), title, type, isChecked(cbPublic));
                _loadSnippet_noSet(snippetID);
              } finally {
                _close(__17);
              }
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "{ temp tempShowLoadingAnimation(); \r\n          int type = parseFirstInt(getSe...";
        }
      })));
    }

    public void saveAsFile() {
      inputFilePath("Save as...", optCast(File.class, editing), new VF1<File>() {

        public void get(File f) {
          try {
            saveTextFile(f, getText());
            _loadFile_noSet(f);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "saveTextFile(f, getText());\r\n      _loadFile_noSet(f);";
        }
      });
    }

    public String getText() {
      return e.getText();
    }

    public void _reloadModule() {
      AutoCloseable __18 = enter();
      try {
        dm_reloadAllModulesWithSnippetID((String) editing);
      } finally {
        _close(__18);
      }
    }

    public void _loadModule() {
      AutoCloseable __19 = enter();
      try {
        dm_addDynamicModuleDialog2((String) editing);
      } finally {
        _close(__19);
      }
    }

    public String snippetID() {
      return optCast(String.class, editing);
    }

    public void showTranspilation() {
      AutoCloseable __20 = enter();
      try {
        if (snippetID() == null)
          return;
        showText("Transpilation of " + snippetID(), getServerTranspiledWithoutLibs(snippetID()));
      } finally {
        _close(__20);
      }
    }

    public void showInBrowser() {
      if (snippetID() == null)
        return;
      openInBrowser(snippetLink(snippetID()));
    }

    public void setText(String text) {
      AutoCloseable __21 = enter();
      try {
        e.textArea.setText(text);
      } finally {
        _close(__21);
      }
    }
  }

  static public boolean _moduleClass_SFEditor = true;

  static public String programID;

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

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

      public Class get(String name) {
        Class c = findClass_fullName(name);
        if (c != null)
          return c;
        if (name.startsWith("main$"))
          return loadableUtils.utils.findClass_fullName("loadableUtils.utils" + name.substring(4));
        return null;
      }
    });
  }

  static public ThreadLocal<Boolean> dynamicObjectIsLoading_threadLocal() {
    return DynamicObject_loading;
  }

  static volatile public Concepts mainConcepts;

  static public Concepts db_mainConcepts() {
    if (mainConcepts == null)
      mainConcepts = newConceptsWithClassFinder(getDBProgramID());
    return mainConcepts;
  }

  static public void cleanMeUp_concepts() {
    if (db_mainConcepts() != null)
      db_mainConcepts().cleanMeUp();
  }

  static public ReliableSingleThread dm_rst(Runnable r) {
    return dm_rst(dm_current_mandatory(), r);
  }

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

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

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

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

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

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

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

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

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

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

  static public int[] unnull(int[] l) {
    return l == null ? emptyIntArray() : l;
  }

  static public char[] unnull(char[] l) {
    return l == null ? emptyCharArray() : l;
  }

  static public double[] unnull(double[] l) {
    return l == null ? emptyDoubleArray() : l;
  }

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

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

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

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

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

  static public Symbol unnull(Symbol s) {
    return s == null ? emptySymbol() : s;
  }

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

  static public int unnull(Integer i) {
    return i == null ? 0 : i;
  }

  static public long unnull(Long l) {
    return l == null ? 0L : l;
  }

  static public double unnull(Double l) {
    return l == null ? 0.0 : l;
  }

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

  static public void swing(Runnable f) {
    swingAndWait(f);
  }

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

  static public <A> A swing(IF0<A> f) {
    return (A) swingAndWait(f);
  }

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

  static public SimpleLiveValue dm_fieldLiveValue(DynModule module, String fieldName) {
    Lock __0 = module.lock;
    lock(__0);
    try {
      AutoCloseable __2 = module.enter();
      try {
        Class type = getFieldType(module, fieldName);
        final SimpleLiveValue value = new SimpleLiveValue(type, get(module, fieldName));
        dm_watchField(fieldName, 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 {
        _close(__2);
      }
    } finally {
      unlock(__0);
    }
  }

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

  static public Font deriveFont(Font font, float size) {
    return font == null ? null : font.deriveFont(size);
  }

  static public Font loadFont(String snippetID) {
    try {
      return loadFont(snippetID, 12f);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Font loadFont(InputStream in) {
    try {
      return Font.createFont(Font.TRUETYPE_FONT, in);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Font loadFont(String snippetID, float fontSize) {
    return loadFont(loadLibrary(snippetID), fontSize);
  }

  static public Font loadFont(File f, float fontSize) {
    try {
      return Font.createFont(Font.TRUETYPE_FONT, f).deriveFont(fontSize);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Font loadFont(InputStream in, float fontSize) {
    try {
      return Font.createFont(Font.TRUETYPE_FONT, in).deriveFont(fontSize);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public void onChangeAndNow(JComponent c, Object r) {
    onUpdateAndNow(c, r);
  }

  static public void onChangeAndNow(List<? extends JComponent> l, Object r) {
    onUpdateAndNow(l, r);
  }

  static public <A> JComboBox<A> onChangeAndNow(JComboBox<A> cb, IVF1<A> f) {
    onChange(cb, f);
    {
      if (f != null)
        f.get(getSelectedItem_typed(cb));
    }
    return cb;
  }

  static public <A extends JTabbedPane> A onChangeAndNow(A tabs, Runnable r) {
    if (r != null) {
      onChange(tabs, r);
      r.run();
    }
    return tabs;
  }

  static public KeyStroke ctrlKeyStroke(int keyCode) {
    return KeyStroke.getKeyStroke(keyCode, InputEvent.CTRL_MASK);
  }

  static public AbstractAction abstractAction(String name, final Object runnable) {
    return new AbstractAction(name) {

      public void actionPerformed(ActionEvent evt) {
        pcallF(runnable);
      }
    };
  }

  static public 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)";
      }
    };
  }

  static public Object load(String varName) {
    readLocally(varName);
    return get(mc(), varName);
  }

  static public Object load(String progID, String varName) {
    readLocally(progID, varName);
    return get(mc(), varName);
  }

  static public void setCaretPosition(final JTextComponent c, final int pos) {
    if (c != null) {
      swing(() -> {
        try {
          int _pos = max(0, min(l(c.getText()), pos));
          c.setCaretPosition(_pos);
        } catch (Throwable __e) {
          printStackTrace(__e);
        }
      });
    }
  }

  static public 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);
      }
  }

  static public void minimalFrameSize(Component c, int w, int h) {
    Container f = getPIFrame(c);
    if (f != null)
      setSize(f, max(w, getWidth(f)), max(h, getHeight(f)));
  }

  static public SingleThread awtCalcEvery(JFrame f, int delay, int firstDelay, final Object runnable) {
    return awtCalcRegularly(f, delay, firstDelay, runnable);
  }

  static public SingleThread awtCalcEvery(JComponent c, int delay, int firstDelay, final Object runnable) {
    return awtCalcRegularly(c, delay, firstDelay, runnable);
  }

  static public SingleThread awtCalcEvery(JFrame f, int delay, final Object runnable) {
    return awtCalcRegularly(f, delay, delay, runnable);
  }

  static public SingleThread awtCalcEvery(JComponent c, int delay, Runnable runnable) {
    return awtCalcRegularly(c, delay, delay, runnable);
  }

  static public SingleThread awtCalcEvery(JComponent c, int delay, final Object runnable) {
    return awtCalcRegularly(c, delay, delay, runnable);
  }

  static public SingleThread awtCalcEvery(JComponent c, double delay, Runnable runnable) {
    return awtCalcEvery(c, delay, (Object) runnable);
  }

  static public SingleThread awtCalcEvery(JComponent c, double delay, Object runnable) {
    return awtCalcEvery(c, toMS_int(delay), runnable);
  }

  static public SingleThread awtCalcEvery(JComponent c, double firstDelay, double delay, final Object runnable) {
    return awtCalcEvery(c, toMS_int(delay), toMS_int(firstDelay), runnable);
  }

  static public void onPossiblyInternalFrameDeactivated(Component c, final Object r) {
    JInternalFrame iF = getInternalFrame(c);
    if (iF != null) {
      onInternalFrameDeactivated(iF, r);
      return;
    }
    Frame f = getAWTFrame(c);
    if (f != null)
      f.addWindowListener(new WindowAdapter() {

        public void windowDeactivated(WindowEvent e) {
          try {
            callF(r);
          } catch (Throwable __e) {
            messageBox(__e);
          }
        }
      });
  }

  static public int countComponents(Container c) {
    return numberOfChildren(c);
  }

  static public JMenuBar getMenuBar(Component c) {
    return (JMenuBar) call(getPossiblyInternalFrame(c), "getJMenuBar");
  }

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

  static public JMenu addMenu(final Component c, final String menuName, final Object... items) {
    final RootPaneContainer frame = getPossiblyInternalFrame(c);
    return (JMenu) swing(new F0<Object>() {

      public Object get() {
        try {
          JMenuBar bar = addMenuBar((Component) frame);
          Pair<String, Integer> p = jmenu_autoMnemonic(menuName);
          JMenu menu = getMenuNamed(bar, p.a);
          boolean isNew = menu == null;
          if (isNew)
            menu = new JMenu(p.a);
          else
            menu.removeAll();
          menu.setMnemonic(p.b);
          fillJMenu(menu, items);
          if (isNew) {
            if (!isFalse(addMenu_addIfEmpty.get()) || menuItemCount(menu) > 0) {
              bar.add(menu);
              revalidate((Component) frame);
            }
          }
          return menu;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JMenuBar bar = addMenuBar((Component) frame);\r\n    Pair<S, Int> p = jmenu_aut...";
      }
    });
  }

  static public <A> A setAndSave(String var, A value) {
    set(mc(), var, value);
    save(var);
    return value;
  }

  static public int max(int a, int b) {
    return Math.max(a, b);
  }

  static public int max(int a, int b, int c) {
    return max(max(a, b), c);
  }

  static public long max(int a, long b) {
    return Math.max((long) a, b);
  }

  static public long max(long a, long b) {
    return Math.max(a, b);
  }

  static public double max(int a, double b) {
    return Math.max((double) a, b);
  }

  static public float max(float a, float b) {
    return Math.max(a, b);
  }

  static public double max(double a, double b) {
    return Math.max(a, b);
  }

  static public int max(Collection<Integer> c) {
    int x = Integer.MIN_VALUE;
    for (int i : c) x = max(x, i);
    return x;
  }

  static public double max(double[] c) {
    if (c.length == 0)
      return Double.MIN_VALUE;
    double x = c[0];
    for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
    return x;
  }

  static public float max(float[] c) {
    if (c.length == 0)
      return Float.MAX_VALUE;
    float x = c[0];
    for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
    return x;
  }

  static public byte max(byte[] c) {
    byte x = -128;
    for (byte d : c) if (d > x)
      x = d;
    return x;
  }

  static public short max(short[] c) {
    short x = -0x8000;
    for (short d : c) if (d > x)
      x = d;
    return x;
  }

  static public int max(int[] c) {
    int x = Integer.MIN_VALUE;
    for (int d : c) if (d > x)
      x = d;
    return x;
  }

  static public <A extends Comparable<A>> A max(A a, A b) {
    return cmp(a, b) >= 0 ? a : b;
  }

  static public String dm_showNewModule(String moduleLibID) {
    return (String) dm_callOS("makeNewModule", moduleLibID, true);
  }

  static public String dm_moduleLibID() {
    return programID() + "/" + shortClassName(dm_current_mandatory_generic());
  }

  static public String dm_moduleLibID(Object mod) {
    if (mod == null)
      return null;
    mod = dm_getModule(mod);
    if (hasSuperclassShortNamed(mod, "DynModule"))
      return programID(mod) + "/" + shortClassName(mod);
    return null;
  }

  static public void selectSnippetID(final VF1<String> onSelect) {
    new SnippetSelectForm(onSelect).go();
  }

  static public void selectSnippetID(String title, final VF1<String> onSelect) {
    SnippetSelectForm form = new SnippetSelectForm(onSelect);
    form.go();
    possiblyInternalFrameTitle(form.frame, title);
  }

  static public void selectFile(final String msg, VF1<File> action) {
    selectFile(msg, userDir(), action);
  }

  static public void selectFile(final String msg, final File defaultFile, VF1<File> action) {
    inputFilePath(msg, defaultFile, action);
  }

  static public boolean setText_opt = true;

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

  static public <A extends JComboBox> A setText(final A c, Object text) {
    final String s = strUnnull(text);
    {
      swing(() -> {
        c.getEditor().setItem(s);
      });
    }
    return c;
  }

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

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

  static public <A extends JComponent> A setText(final A c, Object text) {
    if (c == null)
      return null;
    final String s = strUnnull(text);
    {
      swing(() -> {
        if (!setText_opt || neq(callOpt(c, "getText"), s))
          call(c, "setText", s);
      });
    }
    return c;
  }

  static public <A, B> LiveValue<B> mapLiveValue(final F1<A, B> f, final Class<B> type, final LiveValue<A> lv) {
    return new LiveValue<B>() {

      public Class<B> getType() {
        return type;
      }

      public B get() {
        return callF(f, lv.get());
      }

      public LiveValue<B> onChange(Runnable l) {
        lv.onChange(l);
        return this;
      }

      public LiveValue<B> removeChangeListener(Runnable l) {
        lv.removeChangeListener(l);
        return this;
      }
    };
  }

  static public <A, B> LiveValue<B> mapLiveValue(LiveValue<A> lv, Class<B> type, F1<A, B> f) {
    return mapLiveValue(f, type, lv);
  }

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

  static public String f2s(String s) {
    return f2s(newFile(s));
  }

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

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

  static public boolean eq(Symbol a, String b) {
    return eq(str(a), b);
  }

  static public int snippetType_JavaXDesktop() {
    return 55;
  }

  static public boolean isString(Object o) {
    return o instanceof String;
  }

  static public boolean haveMuricaPassword() {
    return nempty(muricaPassword());
  }

  static public void addToContainer(Container a, Component... b) {
    if (a == null)
      return;
    {
      swing(() -> {
        for (Component c : unnullForIteration(b)) if (c != null)
          a.add(c);
      });
    }
  }

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

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

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

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

  static public <A extends JComponent> A setToolTip(A c, Object toolTip) {
    return setToolTipText(c, toolTip);
  }

  static public <A extends JComponent> A setToolTip(Object toolTip, A c) {
    return setToolTipText(c, toolTip);
  }

  static public void setToolTip(TrayIcon trayIcon, String toolTip) {
    setTrayIconToolTip(trayIcon, toolTip);
  }

  static public <A extends AbstractButton> A setBorderPainted(boolean b, A a) {
    if (a != null) {
      swing(() -> {
        a.setBorderPainted(b);
      });
    }
    return a;
  }

  static public JButton jimagebutton(String imageID, Object action) {
    return jimageButton(imageID, action);
  }

  static public JButton jimagebutton(String imageID) {
    return jimageButton(imageID);
  }

  static public boolean internalFrameActive(Component c) {
    final JInternalFrame f = getInternalFrame(c);
    return f != null && swing(new F0<Boolean>() {

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

      public String toString() {
        return "return f.isSelected();";
      }
    });
  }

  static public int getCaretPosition(final JTextComponent c) {
    return c == null ? 0 : swing(new F0<Integer>() {

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

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

  static public Pair<Integer, String> testBracketHygieneExt(String s) {
    return testBracketHygiene2(s);
  }

  static public Pair<Integer, String> testBracketHygieneExt(String s, String op, String close) {
    return testBracketHygiene2(s, op, close);
  }

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

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

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

  static public String infoBoxAndReturn(String s) {
    infoBox(s);
    return s;
  }

  static public String dropCarriageReturn(String s) {
    return replace(s, "\r", "");
  }

  static public 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 "return c.getText();";
      }
    });
  }

  static public 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 "return c.getText();";
      }
    });
  }

  static public 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 "return l.getText();";
      }
    });
  }

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

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

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

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

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

  static public String editSnippet(String id, String text) {
    if (isLocalSnippetID(id)) {
      saveLocalSnippet(id, text);
      return "Snippet saved";
    }
    return editSnippet(id, text, standardCredentialsUser(), standardCredentialsPass());
  }

  static public String editSnippet(String id, String text, String user, String pass) {
    if (!isSnippetID(id))
      throw fail("Need snippet ID");
    Map query = litmap("id", parseSnippetID(id), "text", text, "_user", user, "_pass", pass, "len", lUtf8(text));
    String url = tb_mainServer() + "/tb-int/update_snippet_text.php";
    String page = doPost(query, url);
    if (!page.contains("OK"))
      throw fail("Error editing snippet " + id + ": " + quote(page));
    return page + " - edited " + fsI(id);
  }

  static public 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);
    }
  }

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

  static public <A> A callF(IF0<A> f) {
    return f == null ? null : f.get();
  }

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

  static public <A, B> B callF(IF1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }

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

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

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

  static public Object call(Object o, String method, Object... args) {
    return call_withVarargs(o, method, args);
  }

  static public File saveTextFile(String fileName, String contents) throws IOException {
    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;
  }

  static public File saveTextFile(File fileName, String contents) {
    try {
      saveTextFile(fileName.getPath(), contents);
      return fileName;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

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

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

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

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

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

      public void run() {
        try {
          final JTextField tf = jtextfield(defaultText);
          String title = joinStrings(" | ", msg, programName());
          JComponent form = showFormTitled(title, unnull(msg), tf, new Runnable() {

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

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

      public String toString() {
        return "final JTextField tf = jtextfield(defaultText);\r\n    String title = joinString...";
      }
    });
  }

  static public void inputText(String msg, String defaultText, IVF1<String> action) {
    inputText(msg, defaultText, (Object) action);
  }

  static public void inputText(String msg, IVF1<String> action) {
    inputText(msg, (Object) action);
  }

  static public String snippetTitle(String id) {
    return getSnippetTitle(id);
  }

  static public String snippetTitle(long id) {
    return getSnippetTitle(id);
  }

  static public String renameSnippet(String id, String title) {
    if (isLocalSnippetID(id)) {
      setLocalSnippetTitle(id, title);
      return "Renamed";
    }
    return postPageWithCredentials(tb_mainServer() + "/tb-int/update_snippet_title.php", "id", parseSnippetID(id), "title", title);
  }

  static public String quote(Object o) {
    if (o == null)
      return "null";
    return quote(str(o));
  }

  static public String quote(String s) {
    if (s == null)
      return "null";
    StringBuilder out = new StringBuilder((int) (l(s) * 1.5 + 2));
    quote_impl(s, out);
    return out.toString();
  }

  static public void quote_impl(String s, StringBuilder out) {
    out.append('"');
    int l = s.length();
    for (int i = 0; i < l; i++) {
      char c = s.charAt(i);
      if (c == '\\' || c == '"')
        out.append('\\').append(c);
      else if (c == '\r')
        out.append("\\r");
      else if (c == '\n')
        out.append("\\n");
      else if (c == '\t')
        out.append("\\t");
      else if (c == '\0')
        out.append("\\0");
      else
        out.append(c);
    }
    out.append('"');
  }

  static public long sysNow() {
    ping();
    return System.nanoTime() / 1000000;
  }

  static public String butterReload(String botID) {
    return assertContainsIC(postPage("https://botcompany.de/1007572/raw/" + psI(botID), muricaCredentials()), "OK, reloaded");
  }

  static public ThreadLocal<Long> saveTiming_last = new ThreadLocal();

  static public void saveTiming(long ms) {
    print(ms + " ms");
    saveTiming_noPrint(ms);
  }

  static public void saveTiming_noPrint(long ms) {
    saveTiming_last.set(ms);
  }

  static public ThreadLocal<Long> saveTiming_tl() {
    return saveTiming_last;
  }

  static public String lastTiming_format100ms() {
    return renderElapsedTimePleasantly_100ms(lastTiming());
  }

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

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

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

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

  static public Object optPar(String name, Map params) {
    return optParam(name, params);
  }

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

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

  static public <A> A or(A a, A b) {
    return a != null ? a : b;
  }

  static public String mainTranspilationSnippetFromSrc(String src) {
    return regexpFirstGroup("^!transpileMainSnippet\\s+(#\\d+)", trimmedJavaLineComments(src));
  }

  static public AutoCloseable tempDisableButton(final JButton b) {
    if (b == null)
      return null;
    boolean wasEnabled = swing(new F0<Boolean>() {

      public Boolean get() {
        try {
          boolean wasEnabled = isEnabled(b);
          if (wasEnabled)
            disableButton(b);
          return wasEnabled;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "bool wasEnabled = isEnabled(b);\r\n    if (wasEnabled)\r\n      disableButton(b);...";
      }
    });
    if (!wasEnabled)
      return null;
    return new AutoCloseable() {

      public String toString() {
        return "enableButton(b);";
      }

      public void close() throws Exception {
        enableButton(b);
      }
    };
  }

  static public Pair<Boolean, String> transpileHereOrOnServer(String snippetID, boolean medium, Object... __) {
    boolean alwaysHere = boolPar("alwaysHere", __);
    String mode = medium ? "medium" : "quick";
    return !alwaysHere && haveMuricaPassword() ? transpileOnBestServer(snippetID, mode) : transpileForServer_returnPair(snippetID, mode);
  }

  static public 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();
  }

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

  static public void hideWindow(final Component c) {
    final Window w = getWindow(c);
    if (w != null) {
      swing(() -> {
        w.setVisible(false);
      });
    }
  }

  static public void callFInNewThread(Object f, Object... args) {
    callF_thread(f, args);
  }

  static public String htmlDecode(String input) {
    return htmldecode(input);
  }

  static public <A extends Component> A maximizeFrame(A c) {
    JFrame f = swing(new F0<JFrame>() {

      public JFrame get() {
        try {
          JFrame f = getFrame(c);
          if (f != null)
            f.setExtendedState(JFrame.MAXIMIZED_BOTH);
          return f;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JFrame f = getFrame(c);\r\n    if (f != null)\r\n      f.setExtendedState(JFrame....";
      }
    });
    if (f != null && !isAWTThread()) {
      Dimension d = maximumWindowBounds().getSize();
      long start = sysNow();
      while (licensed()) {
        try {
          if (f.getWidth() >= d.getWidth() - 100 && f.getHeight() >= d.getHeight() - 100)
            break;
          if (sysNow() >= start + 100) {
            warn("maximizeFrame timeout");
            break;
          }
        } catch (Throwable __e) {
          printStackTrace(__e);
        }
        sleep(1);
      }
    }
    return c;
  }

  static public boolean scrollAllTheWayDown_bruteForce = true;

  static public <A extends JComponent> A scrollAllTheWayDown(A c) {
    if (c != null) {
      swing(() -> {
        int h = c.getHeight() - 1;
        if (scrollAllTheWayDown_bruteForce)
          h = max(h, 100000);
        c.scrollRectToVisible(new Rectangle(0, h, 1, 1));
      });
    }
    return c;
  }

  static public JFastLogView_noWrap showText_fast_noWrap(String title, Object text) {
    return showText_fast_noWrap(null, title, text);
  }

  static public JFastLogView_noWrap showText_fast_noWrap(JFastLogView_noWrap view, String title, Object text) {
    if (view != null) {
      view.setText(str(text));
      return view;
    }
    view = jFastLogView_noWrap(str(text));
    makeFrame(title, jscroll_copyBackground(view));
    return view;
  }

  static public JFastLogView_noWrap showText_fast_noWrap(Object text) {
    return showText_fast_noWrap(autoFrameTitle(), text);
  }

  static public <A extends Component> A setFrameIcon(A c, String imageID) {
    setFrameIconLater(c, imageID);
    return c;
  }

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

  static public void addButtonsToWindow(Component c, Object... buttonParams) {
    addToWindowWithMargin(c, jcenteredbuttons(buttonParams));
  }

  static public <A extends Throwable> A printStackTrace(A e) {
    if (e != null)
      print(getStackTrace(e));
    return e;
  }

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

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

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

  static public int getSnippetType(String id) {
    if (!isSnippetID(id))
      return 0;
    return getSnippetType(psI(id));
  }

  static public int getSnippetType(long id) {
    IResourceLoader rl = vm_getResourceLoader();
    if (rl != null)
      return rl.getSnippetType(fsI(id));
    return getSnippetType_noResourceLoader(id);
  }

  static public int getSnippetType_noResourceLoader(long id) {
    try {
      if (isLocalSnippetID(id))
        return localSnippetType(id);
      if (isGeneralFileServerSnippet(id))
        return snippetType_data();
      if (isImageServerSnippet(id))
        return snippetType_image();
      return parseInt(trim(loadPageSilently(new URL(tb_mainServer() + "/tb-int/getfield.php?id=" + id + "&field=type" + standardCredentials()))));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static volatile public StringBuffer local_log = new StringBuffer();

  static public boolean printAlsoToSystemOut = true;

  static volatile public Appendable print_log = local_log;

  static volatile public int print_log_max = 1024 * 1024;

  static volatile public int local_log_max = 100 * 1024;

  static public boolean print_silent = false;

  static public Object print_byThread_lock = new Object();

  static volatile public ThreadLocal<Object> print_byThread;

  static volatile public Object print_allThreads;

  static volatile public Object print_preprocess;

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

  static public <A> A print(String s, A o) {
    print(combinePrintParameters(s, o));
    return o;
  }

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

  static public void print_noNewLine(String s) {
    try {
      Object f = getThreadLocal(print_byThread_dontCreate());
      if (f == null)
        f = print_allThreads;
      if (f != null)
        if (isFalse(f instanceof F1 ? ((F1) f).get(s) : callF(f, s)))
          return;
    } catch (Throwable e) {
      System.out.println(getStackTrace(e));
    }
    print_raw(s);
  }

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

  static public void print_autoRotate() {
  }

  static public Container dm_frame() {
    return dm_frame(dm_current_generic());
  }

  static public Container dm_frame(Object module) {
    return (Container) getPossiblyInternalFrame(dm_vis(module));
  }

  static public String className(Object o) {
    return getClassName(o);
  }

  static public JComponent dm_vis(Object module) {
    return dm_getVisualization(module);
  }

  static public JComponent dm_vis() {
    return dm_getVisualization();
  }

  static public String loadTextFile(String fileName) {
    return loadTextFile(fileName, null);
  }

  static public String loadTextFile(File f, String defaultContents) {
    return loadTextFile(f, defaultContents, "UTF-8");
  }

  static public String loadTextFile(File f, String defaultContents, String encoding) {
    try {
      checkFileNotTooBigToRead(f);
      if (f == null || !f.exists())
        return defaultContents;
      FileInputStream fileInputStream = new FileInputStream(f);
      InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, encoding);
      return loadTextFile(inputStreamReader);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  public static String loadTextFile(File fileName) {
    return loadTextFile(fileName, null);
  }

  static public String loadTextFile(String fileName, String defaultContents) {
    return fileName == null ? defaultContents : loadTextFile(newFile(fileName), defaultContents);
  }

  static public 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);
  }

  static public boolean nempty(Collection c) {
    return !empty(c);
  }

  static public boolean nempty(CharSequence s) {
    return !empty(s);
  }

  static public boolean nempty(Object[] o) {
    return !empty(o);
  }

  static public boolean nempty(byte[] o) {
    return !empty(o);
  }

  static public boolean nempty(int[] o) {
    return !empty(o);
  }

  static public boolean nempty(BitSet bs) {
    return !empty(bs);
  }

  static public boolean nempty(Map m) {
    return !empty(m);
  }

  static public boolean nempty(Iterator i) {
    return i != null && i.hasNext();
  }

  static public boolean nempty(MultiMap mm) {
    return mm != null && !mm.isEmpty();
  }

  static public boolean nempty(Object o) {
    return !empty(o);
  }

  static public boolean nempty(Rect r) {
    return r != null && r.w != 0 && r.h != 0;
  }

  static public boolean nempty(MultiSet ms) {
    return ms != null && !ms.isEmpty();
  }

  static public void logQuotedWithDate(String s) {
    logQuotedWithTime(s);
  }

  static public void logQuotedWithDate(String logFile, String s) {
    logQuotedWithTime(logFile, s);
  }

  static public void logQuotedWithDate(File logFile, String s) {
    logQuotedWithTime(logFile, s);
  }

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

  static volatile public boolean sleep_noSleep = false;

  static public 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);
    }
  }

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

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

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

  static public Collection<String> allJavaKeywords() {
    return isJavaKeyword_keywords;
  }

  static public Set<String> standardFunctionNames() {
    return keys(stdFunctions_cached());
  }

  static public List<String> deepWords(String s) {
    return words2(s);
  }

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

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

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

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

  static public <A, B> List<B> map(IF1<A, B> f, Iterable<A> l) {
    return map(l, f);
  }

  static public <A, B> List<B> map(Iterable<A> l, IF1<A, B> f) {
    List x = emptyList(l);
    if (l != null)
      for (A o : l) {
        ping();
        x.add(f.get(o));
      }
    return x;
  }

  static public <A, B> List<B> map(IF1<A, B> f, A[] l) {
    return map(l, f);
  }

  static public <A, B> List<B> map(A[] l, IF1<A, B> f) {
    List x = emptyList(l);
    if (l != null)
      for (A o : l) {
        ping();
        x.add(f.get(o));
      }
    return x;
  }

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

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

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

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

  static public <A, B, C> List<C> map(Map<A, B> map, IF2<A, B, C> f) {
    return map(map, (Object) f);
  }

  static public <A, B> List<A> map(IF1<A, B> f, A data1, A... moreData) {
    List x = emptyList(l(moreData) + 1);
    x.add(f.get(data1));
    if (moreData != null)
      for (A o : moreData) {
        ping();
        x.add(f.get(o));
      }
    return x;
  }

  static public <A> A copyFields(Object x, A y, String... fields) {
    if (empty(fields)) {
      Map<String, Object> map = objectToMap(x);
      for (String field : map.keySet()) setOpt(y, field, map.get(field));
    } else
      for (String field : fields) {
        Object o = getOpt(x, field);
        if (o != null)
          setOpt(y, field, o);
      }
    return y;
  }

  static public <A> A copyFields(Object x, A y, Collection<String> fields) {
    return copyFields(x, y, asStringArray(fields));
  }

  static public 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);";
        }
      });
    }
  }

  static public 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);";
        }
      });
    }
  }

  static public JTextField jtextfield() {
    return jTextField();
  }

  static public JTextField jtextfield(String text) {
    return jTextField(text);
  }

  static public JTextField jtextfield(Object o) {
    return jTextField(o);
  }

  static public JComboBox jComboBox_javaxTypes() {
    return jcombobox("[57] JavaX Dynamic Module", "[42] Include", "[55] JavaX Desktop");
  }

  static public JCheckBox jCheckBox() {
    return swingNu(JCheckBox.class);
  }

  static public JCheckBox jCheckBox(boolean checked) {
    return swingNu(JCheckBox.class, "", checked);
  }

  static public JCheckBox jCheckBox(String text, boolean checked) {
    return swingNu(JCheckBox.class, text, checked);
  }

  static public JCheckBox jCheckBox(String text) {
    return swingNu(JCheckBox.class, text);
  }

  static public JCheckBox jCheckBox(String text, boolean checked, Object onChange) {
    JCheckBox cb = jCheckBox(text, checked);
    cb.setText(text);
    return cb;
  }

  static public JCheckBox jCheckBox(boolean checked, final Object onChange) {
    final JCheckBox cb = jCheckBox(checked);
    cb.addChangeListener(new ChangeListener() {

      public void stateChanged(ChangeEvent e) {
        pcallF(onChange, cb.isSelected());
      }
    });
    return cb;
  }

  static public JCheckBox jCheckBox(boolean checked, String text, IVF1<Boolean> onChangeAndNow) {
    var cb = jCheckBox(text, checked);
    onChangeAndNow(cb, new Runnable() {

      public void run() {
        try {
          onChangeAndNow.get(isChecked(cb));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "onChangeAndNow.get(isChecked(cb));";
      }
    });
    return cb;
  }

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

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

  static public int showForm_defaultGap = 4;

  static public int showForm_gapBetweenColumns = 10;

  static public 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);
          showForm_makeFrame(title, panel);
          frame.set(getFrame(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...";
      }
    });
  }

  static public JPanel showForm_makePanel(Boolean internalFrame, Object... _parts) {
    List<JComponent> out = showForm_arrange1(showForm_makeComponents(internalFrame, _parts));
    return vstackWithSpacing(out, showForm_defaultGap);
  }

  static public AutoCloseable tempShowLoadingAnimation() {
    return tempShowLoadingAnimation("Hold on user...");
  }

  static public AutoCloseable tempShowLoadingAnimation(String text) {
    try {
      return tempDisposeWindow(showAnimationInTopRightCorner("#1003543", text));
    } catch (Throwable __e) {
      return null;
    }
  }

  static public int parseFirstInt(String s) {
    return parseInt(jextract("<int>", s));
  }

  static public int parseFirstInt(Iterable<String> l) {
    return parseInt(firstIntegerString(l));
  }

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

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

  static public String getTextTrim(JTextComponent c) {
    return trim(getText(c));
  }

  static public String getTextTrim(JComboBox cb) {
    return trim(getText(cb));
  }

  static public String getTextTrim(JComponent c) {
    if (c instanceof JLabel)
      return trim(((JLabel) c).getText());
    if (c instanceof JComboBox)
      return getTextTrim((JComboBox) c);
    return getTextTrim((JTextComponent) c);
  }

  static public Snippet createSnippet(Snippet s) {
    s.id = createSnippet(s.text, s.title, parseSnippetType(s.type));
    return s;
  }

  static public String createSnippet(String text, String title, int type) {
    return createSnippet(text, title, type, true);
  }

  static public String createSnippet(String text, String title, int type, boolean isPublic) {
    return createSnippet(text, title, type, standardCredentialsUser(), standardCredentialsPass(), isPublic);
  }

  static public String createSnippet(String text, String title, int type, String user, String pass) {
    return createSnippet(text, title, type, user, pass, true);
  }

  static public String createSnippet(String text, String title, int type, String user, String pass, boolean isPublic) {
    String addURL = tb_mainServer() + "/tb-int/add_snippet.php";
    Map query = litmap("type", type, "high", 1, "public", isPublic ? 1 : 0, "text", text, "name", title, "_user", user, "_pass", pass);
    String answer = doPost(query, addURL);
    if (!isSnippetID(answer))
      throw fail(answer);
    print("Snippet created. " + formatSnippetID(answer));
    return formatSnippetID(answer);
  }

  static public boolean isChecked(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 "return checkBox.isSelected();";
      }
    });
  }

  static public boolean isChecked(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 "return mi.isSelected();";
      }
    });
  }

  static public boolean isChecked(JRadioButton rb) {
    return rb != null && (boolean) swing(() -> rb.isSelected());
  }

  static public void inputFilePath(final String msg, final Object action) {
    inputFilePath(msg, userDir(), action);
  }

  static public void inputFilePath(final String msg, final File defaultFile, final Object action) {
    swingLater(new Runnable() {

      public void run() {
        try {
          final JTextField tfPath = jtextfield(f2s(or(defaultFile, userDir())));
          String title = joinStrings(" | ", msg, programName());
          JComponent form = showFormTitled(title, unnull(msg), centerAndEast(tfPath, jbutton("Browse...", new Runnable() {

            public void run() {
              try {
                JFileChooser fileChooser = new JFileChooser(getTextTrim(tfPath));
                if (fileChooser.showOpenDialog(tfPath) == JFileChooser.APPROVE_OPTION) {
                  tfPath.setText(fileChooser.getSelectedFile().getAbsolutePath());
                  tfPath.requestFocus();
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "JFileChooser fileChooser = new JFileChooser(getTextTrim(tfPath));\r\n        if...";
            }
          })), new Runnable() {

            public void run() {
              try {
                callF(action, new File(getTextTrim(tfPath)));
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "callF(action, new File(getTextTrim(tfPath)))";
            }
          });
          renameSubmitButton(form, "OK");
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "final JTextField tfPath = jtextfield(f2s(or(defaultFile, userDir())));\r\n    S...";
      }
    });
  }

  static public <A> A optCast(Class<A> c, Object o) {
    return isInstance(c, o) ? (A) o : null;
  }

  static public List dm_reloadAllModulesWithSnippetID(String snippetID) {
    List reloadedModules = new ArrayList();
    boolean first = true;
    for (Object m : dm_modules()) {
      try {
        {
          if (!(sameSnippetID(dm_moduleSnippetID(m), snippetID)))
            continue;
        }
        AutoCloseable __1 = dm_codeSharingEnabledInOS() && !first ? tempSetOpt(dm_os(), "startModule_doShare", true) : null;
        try {
          dm_reloadModule(m);
          reloadedModules.add(m);
          first = false;
        } finally {
          _close(__1);
        }
      } catch (Throwable __e) {
        printStackTrace(__e);
      }
    }
    return reloadedModules;
  }

  static public void dm_addDynamicModuleDialog2(String snippetID) {
    callCreator("stefansOS_addDynamicModuleDialog2", snippetID);
  }

  static public void dm_addDynamicModuleDialog2(String snippetID, boolean reuseExisting) {
    callCreator("stefansOS_addDynamicModuleDialog2", snippetID, reuseExisting);
  }

  static public void dm_addDynamicModuleDialog2(Snippet s) {
    if (s != null)
      dm_addDynamicModuleDialog2(s.id);
  }

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

  static public 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 ...";
      }
    });
  }

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

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

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

  static public String getServerTranspiledWithoutLibs(String snippetID) {
    return dropFirstLine(getServerTranspiled2(snippetID));
  }

  static public void openInBrowser(String url) {
    openPlatformBrowser(url);
  }

  static public void openInBrowser(URL url) {
    openPlatformBrowser(url);
  }

  static public String snippetLink(String id) {
    return empty(id) ? id : snippetLink(parseSnippetID(id));
  }

  static public String snippetLink(long id) {
    return "https://code.botcompany.de/" + id;
  }

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

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

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

  static public 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;
    }
  }

  static public AutoCloseable tempInterceptPrintIfNotIntercepted(F1<String, Boolean> f) {
    return print_byThread().get() == null ? tempInterceptPrint(f) : null;
  }

  static public Set<String> isJavaKeyword_keywords = new HashSet(splitAtSpace("abstract\tcontinue\tfor\tnew\tswitch\r\nassert\tdefault\tgoto\tpackage\tsynchronized\r\nboolean\tdo\tif\tprivate\tthis\r\nbreak\tdouble\timplements\tprotected\tthrow\r\nbyte\telse\timport\tpublic\tthrows\r\ncase\tenum\tinstanceof\treturn\ttransient\r\ncatch\textends\tint\tshort\ttry\r\nchar\tfinal\tinterface\tstatic\tvoid\r\nclass\tfinally\tlong\tstrictfp\tvolatile\r\nconst\tfloat\tnative\tsuper\twhile"));

  static public boolean isJavaKeyword(String s) {
    return isJavaKeyword_keywords.contains(s);
  }

  static public Object _defaultClassFinder_value = defaultDefaultClassFinder();

  static public Object _defaultClassFinder() {
    return _defaultClassFinder_value;
  }

  static public Concepts newConceptsWithClassFinder(String progID) {
    Concepts cc = new Concepts(progID);
    cc.classFinder = _defaultClassFinder();
    return cc;
  }

  static public Concepts newConceptsWithClassFinder(File conceptsFile) {
    Concepts cc = new Concepts(assertNotNull(conceptsFile));
    cc.classFinder = _defaultClassFinder();
    return cc;
  }

  static public Concepts newConceptsWithClassFinder(File conceptsFile, IF1<String, Class> classFinder) {
    Concepts cc = new Concepts(assertNotNull(conceptsFile));
    cc.classFinder = classFinder;
    return cc;
  }

  static public String getDBProgramID_id;

  static public String getDBProgramID() {
    return nempty(getDBProgramID_id) ? getDBProgramID_id : programIDWithCase();
  }

  static public F0<AutoCloseable> dm_rEnter() {
    return dm_rEnter(dm_current());
  }

  static public F0<AutoCloseable> dm_rEnter(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 "return mod.enter();";
      }
    };
  }

  static public Runnable dm_rEnter(Runnable r) {
    return dm_rEnter(dm_current(), r);
  }

  static public Runnable dm_rEnter(DynModule mod, Runnable r) {
    return mod == null || r == null ? r : new Runnable() {

      public void run() {
        try {
          AutoCloseable __1 = mod.enter();
          try {
            r.run();
          } finally {
            _close(__1);
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

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

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

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

  static public ArrayList emptyList(int capacity) {
    return new ArrayList(max(0, capacity));
  }

  static public ArrayList emptyList(Iterable l) {
    return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
  }

  static public ArrayList emptyList(Object[] l) {
    return emptyList(l(l));
  }

  static public <A> ArrayList<A> emptyList(Class<A> c) {
    return new ArrayList();
  }

  static public int[] emptyIntArray_a = new int[0];

  static public int[] emptyIntArray() {
    return emptyIntArray_a;
  }

  static public char[] emptyCharArray = new char[0];

  static public char[] emptyCharArray() {
    return emptyCharArray;
  }

  static public double[] emptyDoubleArray = new double[0];

  static public double[] emptyDoubleArray() {
    return emptyDoubleArray;
  }

  static public Map emptyMap() {
    return new HashMap();
  }

  static public Object[] emptyObjectArray_a = new Object[0];

  static public Object[] emptyObjectArray() {
    return emptyObjectArray_a;
  }

  static public Symbol emptySymbol_value;

  static public Symbol emptySymbol() {
    if (emptySymbol_value == null)
      emptySymbol_value = symbol("");
    return emptySymbol_value;
  }

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

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

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

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

  static public void lock(Lock lock) {
    try {
      ping();
      if (lock == null)
        return;
      try {
        vmBus_send("locking", lock, "thread", currentThread());
        lock.lockInterruptibly();
        vmBus_send("locked", lock, "thread", currentThread());
      } catch (InterruptedException e) {
        Object reason = vm_threadInterruptionReasonsMap().get(currentThread());
        print("Locking interrupted! Reason: " + strOr(reason, "Unknown"));
        printStackTrace(e);
        rethrow(e);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

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

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

  static public Class getFieldType(Object o, String field) {
    return fieldType(o, field);
  }

  static public void dm_watchField(String field, Runnable onChange) {
    new Dyn_FieldWatcher(dm_current_mandatory(), field, onChange);
  }

  static public void unlock(Lock lock, String msg) {
    if (lock == null)
      return;
    lock.unlock();
    vmBus_send("unlocked", lock, "thread", currentThread());
    print("Unlocked: " + msg);
  }

  static public void unlock(Lock lock) {
    if (lock == null)
      return;
    lock.unlock();
    vmBus_send("unlocked", lock, "thread", currentThread());
  }

  static public File loadLibrary(String snippetID) {
    return loadBinarySnippet(snippetID);
  }

  static public void onUpdateAndNow(JComponent c, final Object r) {
    onUpdate(c, r);
    callF(r);
  }

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

  static public <A extends JSpinner> A onChange(A spinner, Object r) {
    return onChange(spinner, toRunnable(r));
  }

  static public <A extends JSpinner> A onChange(A spinner, Runnable r) {
    if (r != null) {
      swing(() -> {
        spinner.addChangeListener(changeListener(r));
      });
    }
    return spinner;
  }

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

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

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

  static public <A extends JSlider> A onChange(A slider, final Object r) {
    {
      swing(() -> {
        slider.addChangeListener(changeListener(r));
      });
    }
    return slider;
  }

  static public <A> JComboBox<A> onChange(JComboBox<A> cb, Runnable r) {
    addActionListener(cb, r);
    return cb;
  }

  static public <A> JComboBox<A> onChange(JComboBox<A> cb, IVF1<A> f) {
    if (f != null)
      addActionListener(cb, () -> f.get(getSelectedItem_typed(cb)));
    return cb;
  }

  static public JComboBox onChange(Object r, JComboBox cb) {
    return onChange(cb, r);
  }

  static public JComboBox 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)";
        }
      });
    return cb;
  }

  static public <A extends JTabbedPane> A onChange(A tabs, Runnable r) {
    {
      swing(() -> {
        tabs.addChangeListener(changeListener(r));
      });
    }
    return tabs;
  }

  static public <A extends JColorChooser> A onChange(Runnable r, A cc) {
    if (cc != null && r != null) {
      swing(() -> {
        cc.getSelectionModel().addChangeListener(changeListener(r));
      });
    }
    return cc;
  }

  static public void onChange(IHasChangeListeners a, ChangeTriggerable b) {
    if (a != null && b != null)
      a.onChange(new ChangeTrigger(b));
  }

  static public <A> A getSelectedItem_typed(JList<A> l) {
    return swing(() -> l.getSelectedValue());
  }

  static public <A> A getSelectedItem_typed(JComboBox<A> cb) {
    return swing(() -> (A) cb.getSelectedItem());
  }

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

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

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

  static public <A> void pcallF(VF1<A> f, A a) {
    try {
      {
        if (f != null)
          f.get(a);
      }
    } catch (Throwable __e) {
      printStackTrace(__e);
    }
  }

  static public Object pcallF(Runnable r) {
    try {
      {
        if (r != null)
          r.run();
      }
    } catch (Throwable __e) {
      printStackTrace(__e);
    }
    return null;
  }

  static public <A> A pcallF(IF0<A> f) {
    try {
      return f == null ? null : f.get();
    } catch (Throwable __e) {
      printStackTrace(__e);
    }
    return null;
  }

  static public <A, B> B pcallF(IF1<A, B> f, A a) {
    try {
      return f == null ? null : f.get(a);
    } catch (Throwable __e) {
      printStackTrace(__e);
    }
    return null;
  }

  static public void readLocally(String progID, String varNames) {
    readLocally2(mc(), progID, varNames);
  }

  static public void readLocally(String varNames) {
    readLocally2(mc(), programID(), varNames);
  }

  static public void readLocally2(Object obj, String varNames) {
    readLocally2(obj, programID(), varNames);
  }

  static public int readLocally_stringLength;

  static public ThreadLocal<Boolean> readLocally2_allDynamic = new ThreadLocal();

  static public ThreadLocal readLocally2_classFinder = new ThreadLocal();

  static public void readLocally2(Object obj, String progID, String varNames) {
    try {
      boolean allDynamic = isTrue(getAndClearThreadLocal(readLocally2_allDynamic));
      for (String variableName : javaTokC(varNames)) {
        File textFile = new File(programDir(progID), variableName + ".text");
        String value = loadTextFile(textFile);
        if (value != null)
          set(main.class, variableName, value);
        else {
          File structureFile = new File(programDir(progID), variableName + ".structure");
          value = loadTextFile(structureFile);
          if (value == null) {
            File structureGZFile = new File(programDir(progID), variableName + ".structure.gz");
            if (!structureGZFile.isFile())
              return;
            InputStream fis = new FileInputStream(structureGZFile);
            try {
              GZIPInputStream gis = newGZIPInputStream(fis);
              InputStreamReader reader = new InputStreamReader(gis, "UTF-8");
              BufferedReader bufferedReader = new BufferedReader(reader);
              Object o = unstructure_tok(javaTokC_noMLS_onReader(bufferedReader), allDynamic, readLocally2_classFinder.get());
              readLocally_set(obj, variableName, o);
              return;
            } finally {
              _close(fis);
            }
          }
          readLocally_stringLength = l(value);
          if (nempty(value))
            readLocally_set(obj, variableName, unstructure(value, allDynamic, readLocally2_classFinder.get()));
        }
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public void readLocally_set(Object c, String varName, Object value) {
    Object oldValue = get(c, varName);
    if (oldValue instanceof List && !(oldValue instanceof ArrayList) && value != null) {
      value = synchroList((List) value);
    }
    set(c, varName, value);
  }

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

  static public int min(int a, int b) {
    return Math.min(a, b);
  }

  static public long min(long a, long b) {
    return Math.min(a, b);
  }

  static public float min(float a, float b) {
    return Math.min(a, b);
  }

  static public float min(float a, float b, float c) {
    return min(min(a, b), c);
  }

  static public double min(double a, double b) {
    return Math.min(a, b);
  }

  static public double min(double[] c) {
    double x = Double.MAX_VALUE;
    for (double d : c) x = Math.min(x, d);
    return x;
  }

  static public float min(float[] c) {
    float x = Float.MAX_VALUE;
    for (float d : c) x = Math.min(x, d);
    return x;
  }

  static public byte min(byte[] c) {
    byte x = 127;
    for (byte d : c) if (d < x)
      x = d;
    return x;
  }

  static public short min(short[] c) {
    short x = 0x7FFF;
    for (short d : c) if (d < x)
      x = d;
    return x;
  }

  static public int min(int[] c) {
    int x = Integer.MAX_VALUE;
    for (int d : c) if (d < x)
      x = d;
    return x;
  }

  static public Container getPIFrame(Component c) {
    return (Container) getPossiblyInternalFrame(c);
  }

  static public <A extends Component> A setSize(final A c, final int w, final int h) {
    if (c != null) {
      swing(() -> {
        c.setSize(w, h);
      });
    }
    return c;
  }

  static public void setSize(Component c, Dimension d) {
    setSize(c, d.width, d.height);
  }

  static public int getWidth(Component c) {
    return c == null ? 0 : (int) swingCall(c, "getWidth");
  }

  static public int getHeight(Component c) {
    return c == null ? 0 : (int) swingCall(c, "getHeight");
  }

  static public SingleThread awtCalcRegularly(JComponent component, int delay, int firstDelay, Object runnable) {
    final SingleThread thread = new SingleThread();
    final Runnable r2 = addThreadInfoToRunnable(runnable);
    final Object info = _threadInfo();
    installTimer(component, delay, firstDelay, new Runnable() {

      public void run() {
        if (!licensed())
          return;
        _threadInheritInfo(info);
        thread.go(r2);
      }
    });
    return thread;
  }

  static public SingleThread awtCalcRegularly(JFrame frame, int delay, int firstDelay, final Object runnable) {
    return awtCalcRegularly(getRootPane(frame), delay, firstDelay, runnable);
  }

  static public 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...";
      }
    });
  }

  static public void onInternalFrameDeactivated(final JInternalFrame w, final Object r) {
    if (w != null) {
      swing(() -> {
        w.addInternalFrameListener(new InternalFrameAdapter() {

          public void internalFrameDeactivated(InternalFrameEvent e) {
            pcallF(r);
          }
        });
      });
    }
  }

  static public 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) ...";
      }
    });
  }

  static public void messageBox(final String msg) {
    if (headless())
      print(msg);
    else {
      swing(() -> {
        JOptionPane.showMessageDialog(null, msg, "JavaX", JOptionPane.INFORMATION_MESSAGE);
      });
    }
  }

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

  static public int numberOfChildren(final Container c) {
    return c == null ? 0 : swing(new F0<Integer>() {

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

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

  static public RootPaneContainer getPossiblyInternalFrame(Component c) {
    JInternalFrame f = getInternalFrame(c);
    if (f != null)
      return f;
    return optCast(RootPaneContainer.class, getWindow(c));
  }

  static public JMenuBar addMenuBar(final Component c) {
    return swing(new F0<JMenuBar>() {

      public JMenuBar get() {
        try {
          RootPaneContainer f = getPossiblyInternalFrame(c);
          if (f == null)
            return null;
          JMenuBar bar = (JMenuBar) (call(f, "getJMenuBar"));
          if (bar == null) {
            setMenuBar(f, bar = new JMenuBar());
            revalidate((Component) f);
          }
          return bar;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "RootPaneContainer f = getPossiblyInternalFrame(c);\r\n    if (f == null) null;\r...";
      }
    });
  }

  static public 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);
  }

  static public JMenu getMenuNamed(JMenuBar bar, String name) {
    int n = bar.getMenuCount();
    for (int i = 0; i < n; i++) {
      JMenu m = bar.getMenu(i);
      if (m != null && eq(m.getText(), name))
        return m;
    }
    return null;
  }

  static public void fillJMenu(final JMenu 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)
        fillJMenu(m, asArray((List) o));
      else if (isMenuSeparatorIndicator(o)) {
        if (menuItemCount(m) != 0)
          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(or2(unCurlyBracket(lv.get()), "..."), 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);
              revalidate(m);
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "String s = lv!;\r\n        if (isCurlyBracketed(s)) {\r\n          setEnabled(mi,...";
          }
        });
        print("bound live value " + lv + " to menu item " + mi);
        m.add(mi);
        ++i;
      } 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 if (o == null && y instanceof Runnable)
        ++i;
      else if (o != null)
        print("Unknown menu item: " + o);
    }
  }

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

  static public int menuItemCount(JMenu menu) {
    return menu == null ? 0 : swing(() -> menu.getItemCount());
  }

  static public <A extends Component> A revalidate(final A c) {
    if (c == null || !c.isShowing())
      return c;
    {
      swing(() -> {
        c.revalidate();
        c.repaint();
      });
    }
    return c;
  }

  static public void revalidate(JFrame f) {
    revalidate((Component) f);
  }

  static public void revalidate(JInternalFrame f) {
    revalidate((Component) f);
  }

  static public <A> A set(A o, String field, Object value) {
    if (o == null)
      return null;
    if (o instanceof Class)
      set((Class) o, field, value);
    else
      try {
        Field f = set_findField(o.getClass(), field);
        makeAccessible(f);
        smartSet(f, o, value);
      } catch (Exception e) {
        throw new RuntimeException(e);
      }
    return o;
  }

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

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

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

  static public void set(BitSet bs, int idx) {
    {
      if (bs != null)
        bs.set(idx);
    }
  }

  static public void save(String varName) {
    saveLocally(varName);
  }

  static public void save(String progID, String varName) {
    saveLocally(progID, varName);
  }

  static public int cmp(Number a, Number b) {
    return a == null ? b == null ? 0 : -1 : cmp(a.doubleValue(), b.doubleValue());
  }

  static public int cmp(double a, double b) {
    return a < b ? -1 : a == b ? 0 : 1;
  }

  static public int cmp(int a, int b) {
    return a < b ? -1 : a == b ? 0 : 1;
  }

  static public int cmp(long a, long b) {
    return a < b ? -1 : a == b ? 0 : 1;
  }

  static public int cmp(Object a, Object b) {
    if (a == null)
      return b == null ? 0 : -1;
    if (b == null)
      return 1;
    return ((Comparable) a).compareTo(b);
  }

  static public Object dm_callOS(String functionName, Object... args) {
    return call(dm_os(), functionName, args);
  }

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

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

  static public String shortClassName(Object o) {
    if (o == null)
      return null;
    Class c = o instanceof Class ? (Class) o : o.getClass();
    String name = c.getName();
    return shortenClassName(name);
  }

  static public 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);
  }

  static public boolean hasSuperclassShortNamed(Object o, String name) {
    Class c = _getClass(o);
    while (c != null) if (shortClassNameIs(c, name))
      return true;
    else
      c = c.getSuperclass();
    return false;
  }

  static public <A extends Component> A possiblyInternalFrameTitle(A c, String title) {
    JInternalFrame f = getInternalFrame(c);
    if (f != null)
      internalFrameTitle(f, title);
    else
      frameTitle(getFrame(c), title);
    return c;
  }

  static public String possiblyInternalFrameTitle(Component c) {
    JInternalFrame f = getInternalFrame(c);
    return f != null ? internalFrameTitle(f) : frameTitle(getFrame(c));
  }

  static public File userDir() {
    return new File(userHome());
  }

  static public File userDir(String path) {
    return new File(userHome(), path);
  }

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

  static public 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);
  }

  static public String getType(Object o) {
    return getClassName(o);
  }

  static public File newFile(File base, String... names) {
    for (String name : names) base = new File(base, name);
    return base;
  }

  static public File newFile(String name) {
    return name == null ? null : new File(name);
  }

  static public File newFile(String base, String... names) {
    return newFile(newFile(base), names);
  }

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

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

  static public String str(char[] c, int offset, int count) {
    return new String(c, offset, count);
  }

  static volatile public boolean muricaPassword_pretendNotAuthed = false;

  static public String muricaPassword() {
    if (muricaPassword_pretendNotAuthed)
      return null;
    return trim(loadTextFile(muricaPasswordFile()));
  }

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

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

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

  static public int[] unnullForIteration(int[] l) {
    return l == null ? emptyIntArray() : l;
  }

  static public char[] unnullForIteration(char[] l) {
    return l == null ? emptyCharArray() : l;
  }

  static public double[] unnullForIteration(double[] l) {
    return l == null ? emptyDoubleArray() : l;
  }

  static public short[] unnullForIteration(short[] l) {
    return l == null ? emptyShortArray() : l;
  }

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

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

  static public <A> A[] unnullForIteration(A[] a) {
    return a == null ? (A[]) emptyObjectArray() : a;
  }

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

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

  static public Symbol unnullForIteration(Symbol s) {
    return s == null ? emptySymbol() : s;
  }

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

  static public long unnullForIteration(Long l) {
    return l == null ? 0L : l;
  }

  static public boolean newButton_autoToolTip = true;

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

      public JButton get() {
        try {
          String text2 = dropPrefix("[disabled] ", text);
          JButton btn = basicJButton(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    JButton btn = basicJButton(te...";
      }
    });
  }

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

  static public <A extends JComponent> A setToolTipText(final A c, final Object toolTip) {
    if (c == null)
      return null;
    {
      swing(() -> {
        String s = nullIfEmpty(str(toolTip));
        if (neq(s, c.getToolTipText()))
          c.setToolTipText(s);
      });
    }
    return c;
  }

  static public <A extends JComponent> A setToolTipText(Object toolTip, A c) {
    return setToolTipText(c, toolTip);
  }

  static public void setTrayIconToolTip(TrayIcon trayIcon, String toolTip) {
    if (trayIcon != null)
      trayIcon.setToolTip(toolTip);
  }

  static public JButton jimageButton(String imageID, Object action) {
    JButton btn = jbutton("", action);
    btn.setIcon(imageIcon(imageID));
    return btn;
  }

  static public JButton jimageButton(String imageID) {
    return jimageButton(imageID, null);
  }

  static public JButton jimageButton(Image img) {
    return jimageButton(img, null, null);
  }

  static public JButton jimageButton(String imageID, String toolTip, Runnable action) {
    return jimageButton(imageIcon(imageID), toolTip, action);
  }

  static public JButton jimageButton(Image img, String toolTip, Runnable action) {
    var btn = jbutton("", action);
    setButtonImage(btn, img);
    return setToolTip(toolTip, btn);
  }

  static public JButton jimageButton(ImageIcon img, String toolTip, Runnable action) {
    var btn = jbutton("", action);
    setButtonImage(btn, img);
    return setToolTip(toolTip, btn);
  }

  static public Pair<Integer, String> testBracketHygiene2(String s) {
    return testBracketHygiene2(s, testBracketHygiene_op, testBracketHygiene_close);
  }

  static public Pair<Integer, String> testBracketHygiene2(String s, String op, String close) {
    List<String> tok = javaTok(s);
    Map<Integer, Integer> map = new HashMap();
    List<Integer> stack = getBracketMap2(tok, map, op, close);
    for (int i = 1; i < l(tok); i += 2) if (isUnproperlyQuoted(tok.get(i))) {
      int lineNr = tokenIndexToUserLandLineNr(tok, i);
      return pair(tokenToCharIndex(tok, i), "Unclosed string literal at line " + lineNr);
    }
    for (int i : keys(map)) {
      int j = map.get(i);
      String a = tok.get(i), b = tok.get(j);
      int ai = op.indexOf(a), bi = close.indexOf(b);
      if (ai != bi) {
        int lineNr1 = tokenIndexToUserLandLineNr(tok, i);
        int lineNr2 = tokenIndexToUserLandLineNr(tok, j);
        String msg;
        if (empty(a))
          msg = "superfluous closing bracket (" + quote(b) + ") at line " + lineNr2;
        else
          msg = "brackets don't match (" + quote(a) + " vs " + quote(b) + ") at lines " + lineNr1 + " and " + lineNr2;
        return pair(tokenToCharIndex(tok, i), "Bad hygiene - " + msg);
      }
    }
    if (nempty(stack)) {
      int lineNr = tokenIndexToUserLandLineNr(tok, last(stack));
      return pair(tokenIndexToCharIndex(tok, last(stack)), "Line " + lineNr + ": " + "Bad hygiene - " + n(l(stack), "bracket") + " not closed");
    }
    if (map.containsKey(0)) {
      int lineNr = tokenIndexToUserLandLineNr(tok, map.get(0));
      return pair(tokenToCharIndex(tok, map.get(0)), "Bad hygiene - bracket not opened (" + quote(tok.get(map.get(0))) + ") at line " + lineNr);
    }
    return null;
  }

  static public <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;
  }

  static public <A> List<A> replace(A a, A b, List<A> l) {
    return replace(l, a, b);
  }

  static public String replace(String s, String a, String b) {
    return s == null ? null : a == null || b == null ? s : s.replace(a, b);
  }

  static public String replace(String s, char a, char b) {
    return s == null ? null : s.replace(a, b);
  }

  static public 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 "return cb.isEditable();";
      }
    });
  }

  static public String defaultThreadName_name;

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

  static public Runnable wrapAsActivity(Object r) {
    if (r == null)
      return null;
    Runnable r2 = toRunnable(r);
    Object mod = dm_current_generic();
    if (mod == null)
      return r2;
    return new Runnable() {

      public void run() {
        try {
          AutoCloseable c = (AutoCloseable) (rcall("enter", mod));
          AutoCloseable __1 = c;
          try {
            r2.run();
          } finally {
            _close(__1);
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "AutoCloseable c =  (AutoCloseable) (rcall enter(mod));\r\n    temp c;\r\n    r2.r...";
      }
    };
  }

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

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

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

  static public Runnable toRunnable(final Object o) {
    if (o instanceof Runnable)
      return (Runnable) o;
    if (o instanceof String)
      throw fail("callF_legacy");
    return new Runnable() {

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

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

  static public Map<Thread, Boolean> _registerThread_threads;

  static public Object _onRegisterThread;

  static public 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;
  }

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

  static public boolean isLocalSnippetID(String snippetID) {
    return isSnippetID(snippetID) && isLocalSnippetID(psI(snippetID));
  }

  static public boolean isLocalSnippetID(long snippetID) {
    return snippetID >= 1000 && snippetID <= 9999;
  }

  static public void saveLocalSnippet(String snippetID, String text) {
    saveLocalSnippet(psI(snippetID), text);
  }

  static public void saveLocalSnippet(long snippetID, String text) {
    saveTextFile(localSnippetFile(snippetID), text);
  }

  static public String standardCredentialsUser() {
    return trim(loadTextFile(oneOfTheFiles(javaxSecretDir("tinybrain-username"), userDir(".tinybrain/username"))));
  }

  static public String standardCredentialsPass() {
    return trim(loadTextFile(oneOfTheFiles(javaxSecretDir("tinybrain-userpass"), userDir(".tinybrain/userpass"))));
  }

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

  static public RuntimeException fail() {
    throw new RuntimeException("fail");
  }

  static public RuntimeException fail(Throwable e) {
    throw asRuntimeException(e);
  }

  static public RuntimeException fail(Object msg) {
    throw new RuntimeException(String.valueOf(msg));
  }

  static public RuntimeException fail(Object... objects) {
    throw new Fail(objects);
  }

  static public RuntimeException fail(String msg) {
    throw new RuntimeException(msg == null ? "" : msg);
  }

  static public RuntimeException fail(String msg, Throwable innerException) {
    throw new RuntimeException(msg, innerException);
  }

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

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

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

  static public int lUtf8(String s) {
    return l(utf8(s));
  }

  static public String tb_mainServer_default = "https://code.botcompany.de:9898";

  static public Object tb_mainServer_override;

  static public String tb_mainServer() {
    if (tb_mainServer_override != null)
      return (String) callF(tb_mainServer_override);
    return trim(loadTextFile(tb_mainServer_file(), tb_mainServer_default));
  }

  static public File tb_mainServer_file() {
    return getProgramFile("#1001638", "mainserver.txt");
  }

  static public boolean tb_mainServer_isDefault() {
    return eq(tb_mainServer(), tb_mainServer_default);
  }

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

  static public ThreadLocal<Long> doPost_timeout = new ThreadLocal();

  static public ThreadLocal<Map<String, String>> doPost_extraHeaders = new ThreadLocal();

  static public String doPost(String url, Map urlParameters) {
    return doPost(urlParameters, url);
  }

  static public String doPost(Map urlParameters, String url) {
    return doPost(makePostData(urlParameters), url);
  }

  static public 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);
    }
  }

  static public String doPost(String urlParameters, URLConnection conn, URL url) {
    try {
      boolean silently = isTrue(optParam(doPost_silently));
      Long timeout = optParam(doPost_timeout);
      Map<String, String> extraHeaders = optPar(doPost_extraHeaders);
      setHeaders(conn);
      for (String key : keys(extraHeaders)) {
        conn.setRequestProperty(key, extraHeaders.get(key));
      }
      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();
      String contents = loadPage_utf8(conn, url, false);
      writer.close();
      return contents;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

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

  static public Object call_withVarargs(Object o, String method, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        Class c = (Class) o;
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findStaticMethod(method, args);
        if (me != null)
          return invokeMethod(me, null, args);
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          methodSearch: for (Method m : methods) {
            {
              if (!(m.isVarArgs()))
                continue;
            }
            {
              if (!(isStaticMethod(m)))
                continue;
            }
            Object[] newArgs = massageArgsForVarArgsCall(m, args);
            if (newArgs != null)
              return invokeMethod(m, null, newArgs);
          }
        throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found");
      } else {
        Class c = o.getClass();
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(method, args);
        if (me != null)
          return invokeMethod(me, o, args);
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          methodSearch: for (Method m : methods) {
            {
              if (!(m.isVarArgs()))
                continue;
            }
            Object[] newArgs = massageArgsForVarArgsCall(m, args);
            if (newArgs != null)
              return invokeMethod(m, o, newArgs);
          }
        throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found");
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  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;
  }

  static public long now_virtualTime;

  static public long now() {
    return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
  }

  static public File 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();
      }
      return dest;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public FileOutputStream newFileOutputStream(File path) throws IOException {
    return newFileOutputStream(path.getPath());
  }

  static public FileOutputStream newFileOutputStream(String path) throws IOException {
    return newFileOutputStream(path, false);
  }

  static public FileOutputStream newFileOutputStream(File path, boolean append) throws IOException {
    return newFileOutputStream(path.getPath(), append);
  }

  static public FileOutputStream newFileOutputStream(String path, boolean append) throws IOException {
    mkdirsForFile(path);
    FileOutputStream f = new FileOutputStream(path, append);
    _registerIO(f, path, true);
    return f;
  }

  static public void vmBus_send(String msg, Object... args) {
    Object arg = vmBus_wrapArgs(args);
    pcallFAll_minimalExceptionHandling(vm_busListeners_live(), msg, arg);
    pcallFAll_minimalExceptionHandling(vm_busListenersByMessage_live().get(msg), msg, arg);
  }

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

  static public boolean infoMessage_alwaysOnTop = true;

  static public double infoMessage_defaultTime = 5.0;

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

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

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

  static public 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 {
          JWindow window = makeWindow(infoMessage_makePanel(text));
          window.setSize(300, 150);
          moveToTopRightCorner(window);
          if (infoMessage_alwaysOnTop)
            window.setAlwaysOnTop(true);
          if (vmBus_noObjections("shouldShowInfoBox", window, text))
            window.setVisible(true);
          if (seconds != 0)
            disposeWindowAfter(iround(seconds * 1000), window);
          return window;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JWindow window = makeWindow(infoMessage_makePanel(text));\r\n    window.setSize...";
      }
    });
  }

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

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

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

  static public String joinStrings(String sep, Iterable strings) {
    StringBuilder buf = new StringBuilder();
    for (Object o : unnull(strings)) {
      String s = strOrNull(o);
      if (nempty(s)) {
        if (nempty(buf))
          buf.append(sep);
        buf.append(s);
      }
    }
    return str(buf);
  }

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

  static public 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);";
        }
      });
    }
  }

  static public String getSnippetTitle(String id) {
    if (id == null)
      return null;
    if (!isSnippetID(id))
      return "?";
    IResourceLoader rl = vm_getResourceLoader();
    if (rl != null)
      return rl.getSnippetTitle(id);
    return getSnippetTitle_noResourceLoader(id);
  }

  static public String getSnippetTitle_noResourceLoader(String id) {
    try {
      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);
    }
  }

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

  static public void setLocalSnippetTitle(String snippetID, String title) {
    setFileInfoField(localSnippetFile(snippetID), "Title", title);
  }

  static public String postPageWithCredentials(String url, Object... params) {
    return doPost(mapPlus(standardCredentialsMap(), params), url);
  }

  static volatile public boolean ping_pauseAll = false;

  static public int ping_sleep = 100;

  static volatile public boolean ping_anyActions = false;

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

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

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

  static public 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);
    }
  }

  static public <C extends Collection<String>> C assertContainsIC(C c, String y) {
    return assertContainsIC(null, c, y);
  }

  static public <C extends Collection<String>> C assertContainsIC(String msg, C c, String y) {
    if (!cic(c, y))
      throw fail((msg != null ? msg + ": " : "") + y + " not contained in " + c);
    return c;
  }

  static public <C extends Collection<Symbol>> C assertContainsIC(C c, Symbol y) {
    return assertContainsIC(null, c, y);
  }

  static public <C extends Collection<Symbol>> C assertContainsIC(String msg, C c, Symbol y) {
    if (!cic(c, y))
      throw fail((msg != null ? msg + ": " : "") + y + " not contained in " + c);
    return c;
  }

  static public String assertContainsIC(String x, String y) {
    if (!cic(x, y))
      throw fail(quote(y) + " not contained in " + quote(x));
    return x;
  }

  static public String postPage(String url, Object... params) {
    return doPost(litmap(params), url);
  }

  static public long psI(String snippetID) {
    return parseSnippetID(snippetID);
  }

  static public Object[] muricaCredentials() {
    String pass = muricaPassword();
    return nempty(pass) ? new Object[] { "_pass", pass } : new Object[0];
  }

  static public String renderElapsedTimePleasantly_100ms(long ms) {
    double secs = toSeconds(ms);
    if (secs >= 1)
      return formatDouble(secs, 1) + " s";
    return ms + " ms";
  }

  static public long lastTiming() {
    return getLastTiming();
  }

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

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

  static public Object optParam(String name, Map params) {
    return mapGet(params, name);
  }

  static public <A> A optParam(Object[] opt, String name, A defaultValue) {
    int n = l(opt);
    if (n == 1 && opt[0] instanceof Map) {
      Map map = (Map) (opt[0]);
      return map.containsKey(name) ? (A) map.get(name) : 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;
  }

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

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

  static public String regexpFirstGroup(String pat, String s) {
    Matcher m = regexpMatcher(pat, s);
    if (m.find())
      return m.group(1);
    else
      return null;
  }

  static public String regexpFirstGroup(java.util.regex.Pattern pat, String s) {
    Matcher m = regexpMatcher(pat, s);
    if (m.find())
      return m.group(1);
    else
      return null;
  }

  static public String regexpFirstGroup(String pat, Iterable<String> strings) {
    var compiled = compileRegexp(pat);
    for (String s : unnullForIteration(strings)) {
      String group = regexpFirstGroup(compiled, s);
      if (group != null)
        return group;
    }
    return null;
  }

  static public List<String> trimmedJavaLineComments(String s) {
    return trimAll(getJavaLineComments(s));
  }

  static public boolean isEnabled(final JComponent c) {
    return c != null && swing(new F0<Boolean>() {

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

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

  static public JButton disableButton(final JButton b) {
    if (b != null) {
      swing(() -> {
        b.setEnabled(false);
      });
    }
    return b;
  }

  static public void disableButton() {
    disableButton(heldInstance(JButton.class));
  }

  static public JButton enableButton(JButton b) {
    return enableButton(b, true);
  }

  static public JButton enableButton(JButton b, boolean enable) {
    if (b != null) {
      swing(() -> {
        b.setEnabled(enable);
      });
    }
    return b;
  }

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

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

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

  static public boolean boolPar(String name, Map __) {
    return boolOptParam(name, __);
  }

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

  static public Pair<Boolean, String> transpileOnBestServer(String snippetID, String mode) {
    try {
      if (isLocalSnippetID(snippetID)) {
        transpileLocalSnippet(snippetID, mode);
        return pair(true, "OK");
      }
      return haveMuricaPassword() ? nempty(trimLoadTextFile(javaxDataDir("transpile-on-dedi"))) ? transpileOnDediServer(snippetID, mode) : transpileOnNewServer(snippetID, mode) : transpileOnServer(snippetID, mode);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Pair<Boolean, String> transpileOnBestServer(String snippetID) {
    return transpileOnBestServer(snippetID, "quick");
  }

  static public Pair<Boolean, String> transpileForServer_returnPair(String progID, String mode) {
    if (!eqOneOf(mode, null, "", "quick"))
      refreshTranspiler();
    Flag error = new Flag();
    String out = hijackPrint_tee(new Runnable() {

      public void run() {
        try {
          try {
            transpileForServer(progID);
          } catch (Throwable e) {
            printStackTrace(e);
            error.raise();
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "try {\r\n      transpileForServer(progID);\r\n    } catch (Throwable e) { printSt...";
      }
    });
    if (error.get())
      return pair(false, out);
    else
      return pair(true, "Transpiled & uploaded " + fsI(progID) + "!");
  }

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

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

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

  static public 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 __1 = holdInstance(instanceToHold);
          try {
            pcallF(runnable);
          } finally {
            _close(__1);
          }
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    };
  }

  static public Window getWindow(Object o) {
    if (!(o instanceof Component))
      return null;
    return swing(() -> {
      Component c = (Component) o;
      while (c != null) {
        if (c instanceof Window)
          return ((Window) c);
        c = c.getParent();
      }
      return null;
    });
  }

  static public String htmldecode(final String input) {
    if (input == null)
      return null;
    final int MIN_ESCAPE = 2;
    final int MAX_ESCAPE = 6;
    StringWriter writer = null;
    int len = input.length();
    int i = 1;
    int st = 0;
    while (true) {
      while (i < len && input.charAt(i - 1) != '&') i++;
      if (i >= len)
        break;
      int j = i;
      while (j < len && j < i + MAX_ESCAPE + 1 && input.charAt(j) != ';') j++;
      if (j == len || j < i + MIN_ESCAPE || j == i + MAX_ESCAPE + 1) {
        i++;
        continue;
      }
      if (input.charAt(i) == '#') {
        int k = i + 1;
        int radix = 10;
        final char firstChar = input.charAt(k);
        if (firstChar == 'x' || firstChar == 'X') {
          k++;
          radix = 16;
        }
        try {
          int entityValue = Integer.parseInt(input.substring(k, j), radix);
          if (writer == null)
            writer = new StringWriter(input.length());
          writer.append(input.substring(st, i - 1));
          if (entityValue > 0xFFFF) {
            final char[] chrs = Character.toChars(entityValue);
            writer.write(chrs[0]);
            writer.write(chrs[1]);
          } else {
            writer.write(entityValue);
          }
        } catch (NumberFormatException ex) {
          i++;
          continue;
        }
      } else {
        CharSequence value = htmldecode_lookupMap().get(input.substring(i, j));
        if (value == null) {
          i++;
          continue;
        }
        if (writer == null)
          writer = new StringWriter(input.length());
        writer.append(input.substring(st, i - 1));
        writer.append(value);
      }
      st = j + 1;
      i = st;
    }
    if (writer != null) {
      writer.append(input.substring(st, len));
      return writer.toString();
    }
    return input;
  }

  static public HashMap<String, CharSequence> htmldecode_lookupMap_cache;

  static public HashMap<String, CharSequence> htmldecode_lookupMap() {
    if (htmldecode_lookupMap_cache == null)
      htmldecode_lookupMap_cache = htmldecode_lookupMap_load();
    return htmldecode_lookupMap_cache;
  }

  static public HashMap<String, CharSequence> htmldecode_lookupMap_load() {
    var map = new HashMap<String, CharSequence>();
    for (CharSequence[] seq : htmldecode_escapes()) map.put(seq[1].toString(), seq[0]);
    return map;
  }

  static public 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...";
      }
    });
  }

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

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

  static public Rectangle maximumWindowBounds() {
    return maxWindowBounds();
  }

  static volatile public boolean licensed_yes = true;

  static public boolean licensed() {
    if (!licensed_yes)
      return false;
    ping_okInCleanUp();
    return true;
  }

  static public void licensed_off() {
    licensed_yes = false;
  }

  static public boolean warn_on = true;

  static public ThreadLocal<List<String>> warn_warnings = new ThreadLocal();

  static public void warn(String s) {
    if (warn_on)
      print("Warning: " + s);
  }

  static public void warn(String s, List<String> warnings) {
    warn(s);
    if (warnings != null)
      warnings.add(s);
    addToCollection(warn_warnings.get(), s);
  }

  static public JFastLogView_noWrap jFastLogView_noWrap() {
    return jFastLogView_noWrap("");
  }

  static public JFastLogView_noWrap jFastLogView_noWrap(String text) {
    return withTypeWriterFont(swingNu(JFastLogView_noWrap.class, text));
  }

  static public String makeFrame_defaultIcon;

  static public boolean makeFrame_hideConsole = false;

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

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

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

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

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

  static public 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) ...";
      }
    });
  }

  static public JScrollPane jscroll_copyBackground(Component c) {
    return setScrollPaneBackground(getBackground(c), jscroll(c));
  }

  static public String autoFrameTitle_value;

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

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

  static public 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;
  }

  static public Component addToWindowWithMargin(final Component c, final Component toAdd) {
    if (toAdd != null)
      addToWindowAndGrow(c, withMargin(toAdd));
    return c;
  }

  static public JPanel jcenteredbuttons(Object... params) {
    return jcenteredline(paramsToButtons(params));
  }

  static public String getStackTrace(Throwable throwable) {
    lastException(throwable);
    return getStackTrace_noRecord(throwable);
  }

  static public String getStackTrace_noRecord(Throwable throwable) {
    StringWriter writer = new StringWriter();
    throwable.printStackTrace(new PrintWriter(writer));
    return hideCredentials(writer.toString());
  }

  static public String getStackTrace() {
    return getStackTrace_noRecord(new Throwable());
  }

  static public String getStackTrace(String msg) {
    return getStackTrace_noRecord(new Throwable(msg));
  }

  static public IResourceLoader vm_getResourceLoader() {
    return proxy(IResourceLoader.class, vm_generalMap_get("_officialResourceLoader"));
  }

  static public int localSnippetType(String snippetID) {
    return localSnippetType(psI(snippetID));
  }

  static public int localSnippetType(long snippetID) {
    return parseIntOpt(getFileInfoField(localSnippetFile(snippetID), "Type"));
  }

  static public boolean isGeneralFileServerSnippet(long id) {
    return id >= 1400000 && id < 1500000;
  }

  static public int snippetType_data() {
    return 37;
  }

  static public boolean isImageServerSnippet(long id) {
    return id >= 1100000 && id < 1200000;
  }

  static public int snippetType_image() {
    return 23;
  }

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

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

  static public String standardCredentials() {
    String user = standardCredentialsUser();
    String pass = standardCredentialsPass();
    if (nempty(user) && nempty(pass))
      return "&_user=" + urlencode(user) + "&_pass=" + urlencode(pass);
    return "";
  }

  static public String combinePrintParameters(String s, Object o) {
    return (endsWithLetterOrDigit(s) ? s + ": " : s) + o;
  }

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

  static public Object getThreadLocal(Object o, String name) {
    ThreadLocal t = (ThreadLocal) (getOpt(o, name));
    return t != null ? t.get() : null;
  }

  static public <A> A getThreadLocal(ThreadLocal<A> tl) {
    return tl == null ? null : tl.get();
  }

  static public <A> A getThreadLocal(ThreadLocal<A> tl, A defaultValue) {
    return or(getThreadLocal(tl), defaultValue);
  }

  static public ThreadLocal<Object> print_byThread_dontCreate() {
    return print_byThread;
  }

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

  static public void print_append(Appendable buf, String s, int max) {
    try {
      synchronized (buf) {
        buf.append(s);
        if (buf instanceof StringBuffer)
          rotateStringBuffer(((StringBuffer) buf), max);
        else if (buf instanceof StringBuilder)
          rotateStringBuilder(((StringBuilder) buf), max);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

  static public JComponent dm_getVisualization(Object module) {
    return (JComponent) callOpt(dm_getStem(module), "vis");
  }

  static public JComponent dm_getVisualization() {
    return dm_getVisualization(dm_current_mandatory_generic());
  }

  static public ThreadLocal<VF1<File>> checkFileNotTooBigToRead_tl = new ThreadLocal();

  static public void checkFileNotTooBigToRead(File f) {
    callF(checkFileNotTooBigToRead_tl.get(), f);
  }

  static public boolean empty(Collection c) {
    return c == null || c.isEmpty();
  }

  static public boolean empty(Iterable c) {
    return c == null || !c.iterator().hasNext();
  }

  static public boolean empty(CharSequence s) {
    return s == null || s.length() == 0;
  }

  static public boolean empty(Map map) {
    return map == null || map.isEmpty();
  }

  static public boolean empty(Object[] o) {
    return o == null || o.length == 0;
  }

  static public boolean empty(BitSet bs) {
    return bs == null || bs.isEmpty();
  }

  static public boolean empty(Object o) {
    if (o instanceof Collection)
      return empty((Collection) o);
    if (o instanceof String)
      return empty((String) o);
    if (o instanceof Map)
      return empty((Map) o);
    if (o instanceof Object[])
      return empty((Object[]) o);
    if (o instanceof byte[])
      return empty((byte[]) o);
    if (o == null)
      return true;
    throw fail("unknown type for 'empty': " + getType(o));
  }

  static public boolean empty(Iterator i) {
    return i == null || !i.hasNext();
  }

  static public boolean empty(double[] a) {
    return a == null || a.length == 0;
  }

  static public boolean empty(float[] a) {
    return a == null || a.length == 0;
  }

  static public boolean empty(int[] a) {
    return a == null || a.length == 0;
  }

  static public boolean empty(long[] a) {
    return a == null || a.length == 0;
  }

  static public boolean empty(byte[] a) {
    return a == null || a.length == 0;
  }

  static public boolean empty(short[] a) {
    return a == null || a.length == 0;
  }

  static public boolean empty(MultiSet ms) {
    return ms == null || ms.isEmpty();
  }

  static public boolean empty(MultiMap mm) {
    return mm == null || mm.isEmpty();
  }

  static public boolean empty(File f) {
    return getFileSize(f) == 0;
  }

  static public boolean empty(Rect r) {
    return !(r != null && r.w != 0 && r.h != 0);
  }

  static public void logQuotedWithTime(String s) {
    logQuotedWithTime(standardLogFile(), s);
  }

  static public void logQuotedWithTime(File logFile, String s) {
    logQuoted(logFile, logQuotedWithTime_format(s));
  }

  static public void logQuotedWithTime(String logFile, String s) {
    logQuoted(logFile, logQuotedWithTime_format(s));
  }

  static public String logQuotedWithTime_format(String s) {
    return (now()) + " " + s;
  }

  static public String getProgramName_cache;

  static public String getProgramName() {
    Lock __0 = downloadLock();
    lock(__0);
    try {
      if (getProgramName_cache == null)
        getProgramName_cache = getSnippetTitleOpt(programID());
      return getProgramName_cache;
    } finally {
      unlock(__0);
    }
  }

  static public void _onLoad_getProgramName() {
    {
      startThread(new Runnable() {

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

        public String toString() {
          return "getProgramName();";
        }
      });
    }
  }

  static public Object sleepQuietly_monitor = new Object();

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

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

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

  static public <A> Set<A> keys(MultiSet<A> ms) {
    return ms.keySet();
  }

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

  static public Map<String, String> stdFunctions_cached_map;

  static public Lock stdFunctions_cached_lock = lock();

  static public Map<String, String> stdFunctions_cached() {
    Lock __0 = stdFunctions_cached_lock;
    lock(__0);
    try {
      if (stdFunctions_cached_map == null)
        stdFunctions_cached_map = stdFunctions_uncached();
      return stdFunctions_cached_map;
    } finally {
      unlock(__0);
    }
  }

  static synchronized public void stdFunctions_clearCache() {
    stdFunctions_cached_map = null;
  }

  static public List<String> words2(String s) {
    List<String> l = new ArrayList();
    int n = l(s);
    for (int i = 0; i < n; ) {
      int j = i;
      while (j < n && isLetterOrDigit(s.charAt(j))) ++j;
      if (j > i)
        l.add(substring(s, i, j));
      while (j < n && !isLetterOrDigit(s.charAt(j))) ++j;
      i = j;
    }
    return l;
  }

  static public <A> ArrayList<A> asList(A[] a) {
    return a == null ? new ArrayList<A>() : new ArrayList<A>(Arrays.asList(a));
  }

  static public ArrayList<Integer> asList(int[] a) {
    if (a == null)
      return null;
    ArrayList<Integer> l = emptyList(a.length);
    for (int i : a) l.add(i);
    return l;
  }

  static public ArrayList<Long> asList(long[] a) {
    if (a == null)
      return null;
    ArrayList<Long> l = emptyList(a.length);
    for (long i : a) l.add(i);
    return l;
  }

  static public ArrayList<Float> asList(float[] a) {
    if (a == null)
      return null;
    ArrayList<Float> l = emptyList(a.length);
    for (float i : a) l.add(i);
    return l;
  }

  static public ArrayList<Double> asList(double[] a) {
    if (a == null)
      return null;
    ArrayList<Double> l = emptyList(a.length);
    for (double i : a) l.add(i);
    return l;
  }

  static public ArrayList<Short> asList(short[] a) {
    if (a == null)
      return null;
    ArrayList<Short> l = emptyList(a.length);
    for (short i : a) l.add(i);
    return l;
  }

  static public <A> ArrayList<A> asList(Iterator<A> it) {
    ArrayList l = new ArrayList();
    if (it != null)
      while (it.hasNext()) l.add(it.next());
    return l;
  }

  static public <A> ArrayList<A> asList(IterableIterator<A> s) {
    return asList((Iterator) s);
  }

  static public <A> ArrayList<A> asList(Iterable<A> s) {
    if (s instanceof ArrayList)
      return (ArrayList) s;
    ArrayList l = new ArrayList();
    if (s != null)
      for (A a : s) l.add(a);
    return l;
  }

  static public <A> ArrayList<A> asList(Producer<A> p) {
    ArrayList l = new ArrayList();
    A a;
    if (p != null)
      while ((a = p.next()) != null) l.add(a);
    return l;
  }

  static public <A> ArrayList<A> asList(Enumeration<A> e) {
    ArrayList l = new ArrayList();
    if (e != null)
      while (e.hasMoreElements()) l.add(e.nextElement());
    return l;
  }

  static public <A> List<A> asList(Pair<A, A> p) {
    return p == null ? null : ll(p.a, p.b);
  }

  static public Map<String, Object> objectToMap(Object o) {
    try {
      if (o instanceof Map)
        return (Map) o;
      TreeMap<String, Object> map = new TreeMap();
      Class c = o.getClass();
      while (c != Object.class) {
        Field[] fields = c.getDeclaredFields();
        for (final Field field : fields) {
          if ((field.getModifiers() & Modifier.STATIC) != 0)
            continue;
          field.setAccessible(true);
          final Object value = field.get(o);
          if (value != null)
            map.put(field.getName(), value);
        }
        c = c.getSuperclass();
      }
      if (o instanceof DynamicObject)
        putAll(map, ((DynamicObject) o).fieldValues);
      return map;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public List<Map<String, Object>> objectToMap(Iterable l) {
    if (l == null)
      return null;
    List x = new ArrayList();
    for (Object o : l) x.add(objectToMap(o));
    return x;
  }

  static public String[] asStringArray(Collection<String> c) {
    return toStringArray(c);
  }

  static public String[] asStringArray(Object o) {
    return toStringArray(o);
  }

  static public Class hotwireOnce(String programID) {
    return hotwireCached(programID, false);
  }

  static public JTextField jTextField() {
    return jTextField("");
  }

  static public JTextField jTextField(final String text) {
    return swing(new F0<JTextField>() {

      public JTextField get() {
        try {
          JTextField tf = new JTextField(unnull(text));
          standardTextFieldPopupMenu(tf);
          jenableUndoRedo(tf);
          tf.selectAll();
          return tf;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JTextField tf = new JTextField(unnull(text));\r\n    standardTextFieldPopupMenu...";
      }
    });
  }

  static public JTextField jTextField(Object o) {
    return jTextField(strOrEmpty(o));
  }

  static public JComboBox jcombobox(final String... items) {
    return swing(new F0<JComboBox>() {

      public JComboBox get() {
        try {
          return new JComboBox(items);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "return new JComboBox(items);";
      }
    });
  }

  static public JComboBox jcombobox(Collection<String> items) {
    return jcombobox(toStringArray(items));
  }

  static public JComboBox jcombobox(Collection<String> items, String selectedItem) {
    return selectItem(selectedItem, jcombobox(items));
  }

  static public JButton renameButton(JComponent c, String name) {
    JButton b = first(childrenOfType(c, JButton.class));
    if (b != null)
      b.setText(name);
    return b;
  }

  static public JButton renameButton(JComponent c, String oldName, String newName) {
    JButton b = findButton(c, oldName);
    if (b != null)
      b.setText(newName);
    return b;
  }

  static public String showFormSubmitButtonName() {
    return "Submit";
  }

  static public JDesktopPane mainDesktopPane_value;

  static public JDesktopPane mainDesktopPane() {
    return mainDesktopPane_value;
  }

  static public JPanel showInternalFrameFormTitled(final JDesktopPane desktop, final String title, final Object... _parts) {
    JPanel panel = showForm_makePanel(true, _parts);
    showForm_makeInternalFrame(desktop, title, panel);
    return panel;
  }

  static public IVF2<String, JPanel> showForm_makeFrame;

  static public void showForm_makeFrame(String title, JPanel panel) {
    if (showForm_makeFrame != null)
      showForm_makeFrame.get(title, panel);
    else
      showForm_makeFrame_base(title, panel);
  }

  final static public void showForm_makeFrame_fallback(IVF2<String, JPanel> _f, String title, JPanel panel) {
    if (_f != null)
      _f.get(title, panel);
    else
      showForm_makeFrame_base(title, panel);
  }

  static public void showForm_makeFrame_base(String title, JPanel panel) {
    handleEscapeKey(minFrameWidth(showPackedFrame(title, withMargin(panel)), 400));
  }

  static public 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, jMinWidthAtLeast(minW, first(row))), second(row)));
    return out;
  }

  static public 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(__39 -> wrapForSmartAdd_jComponent(__39), 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(__40 -> wrapForSmartAdd_jComponent(__40), null, submitButton = jbutton(showFormSubmitButtonName(), new Runnable() {

          public void run() {
            try {
              Object result = call(o);
              print("Result of form runnable: " + result + ". Button:  " + heldInstance(JButton.class));
              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        print(\"Result of form runnable: \" + result ...";
          }
        })));
      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;
  }

  static public int vstackWithSpacing_default = 10;

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

  static public 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 + 1) / 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...";
      }
    });
  }

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

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

  static public <A> AutoCloseable tempDisposeWindow(final Window w) {
    return new AutoCloseable() {

      public void close() {
        disposeWindow(w);
      }
    };
  }

  static public boolean showAnimationInTopRightCorner_alwaysOnTop = true;

  static public boolean showAnimationInTopRightCorner_on = true;

  static public JWindow showAnimationInTopRightCorner(String imageID, String text) {
    if (isHeadless() || !showAnimationInTopRightCorner_on)
      return null;
    return showAnimationInTopRightCorner(imageIcon(imageID), text);
  }

  static public JWindow showAnimationInTopRightCorner(final Image image, final String text) {
    if (image == null || isHeadless() || !showAnimationInTopRightCorner_on)
      return null;
    return showAnimationInTopRightCorner(imageIcon(image), text);
  }

  static public JWindow showAnimationInTopRightCorner(final ImageIcon imageIcon, final String text) {
    if (isHeadless() || !showAnimationInTopRightCorner_on)
      return null;
    return (JWindow) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          JLabel label = new JLabel(imageIcon);
          if (nempty(text)) {
            label.setText(text);
            label.setVerticalTextPosition(SwingConstants.BOTTOM);
            label.setHorizontalTextPosition(SwingConstants.CENTER);
          }
          final JWindow window = showInTopRightCorner(label);
          onClick(label, new Runnable() {

            public void run() {
              try {
                window.dispose();
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "window.dispose()";
            }
          });
          if (showAnimationInTopRightCorner_alwaysOnTop)
            window.setAlwaysOnTop(true);
          return window;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JLabel label = new JLabel(imageIcon);\r\n    if (nempty(text)) {\r\n      label.s...";
      }
    });
  }

  static public JWindow showAnimationInTopRightCorner(final String imageID) {
    return showAnimationInTopRightCorner(imageID, "");
  }

  static public JWindow showAnimationInTopRightCorner(String imageID, double seconds) {
    return showAnimationInTopRightCorner(imageID, "", seconds);
  }

  static public JWindow showAnimationInTopRightCorner(String imageID, String text, double seconds) {
    if (isHeadless())
      return null;
    return disposeWindowAfter(iround(seconds * 1000), showAnimationInTopRightCorner(imageID, text));
  }

  static public JWindow showAnimationInTopRightCorner(BufferedImage img, String text, double seconds) {
    return disposeWindowAfter(iround(seconds * 1000), showAnimationInTopRightCorner(img, text));
  }

  static public String jextract(String pat, String s) {
    return jextract(pat, javaTok(s));
  }

  static public 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);
  }

  static public String firstIntegerString(Iterable<String> c) {
    Iterator<String> it = c.iterator();
    while (it.hasNext()) {
      String s = it.next();
      if (isInteger(s))
        return s;
    }
    return null;
  }

  static public String parseSnippetType_defs1 = "\r\ndefine('SN_DECLS', 1);\r\ndefine('SN_TESTCASE', 2);\r\ndefine('SN_COMMENT', 3);\r\ndefine('SN_RUNREPORT', 4); # report after running a test case\r\ndefine('SN_SOURCE', 5);  # uploaded source file (Java or other)\r\ndefine('SN_SOLUTION', 6);  # solution tree\r\ndefine('SN_LUA', 7);  # Lua code (solutions have this type too)\r\ndefine('SN_LUA_CHATBOT', 8);  # A Lua chat-bot\r\ndefine('SN_LUA_TESTCASE', 9); # A test case in Lua\r\n#define('SN_LUA_SOLUTION', 10); # A text-to-text solution in Lua (now integrated as plain SN_LUA)\r\ndefine('SN_OBJECT', 11); # An object\r\ndefine('SN_LUA_IMAGE', 12);\r\ndefine('SN_LUA_ANIMATION', 13); # Image plus (optional) animation\r\ndefine('SN_LUA_GUI', 14); # Animation plus keyboard+mouse events\r\ndefine('SN_COMMENT', 15);  # A comment on another snippet\r\ndefine('SN_INOUTEXAMPLE', 16); # A conversion example with input+output\r\ndefine('SN_LUA_SYSTEMTEST', 17); # A free-standing test case (not requiring a solution snippet)\r\ndefine('SN_LUA_SERVICEBOT', 18); # A bot in the group chat\r\ndefine('SN_LUA_SUGGESTER', 19); # A suggester for editing snippets\r\ndefine('SN_RUNLOG', 20);\r\ndefine('SN_JAVA', 21);  # Java source code\r\ndefine('SN_PSEUDOCODE', 22);\r\ndefine('SN_IMAGE', 23); # An image stored as a blob\r\ndefine('SN_T2G_GUICODE', 24); # Janino code for Text2GUI\r\ndefine('SN_JAVA_IR', 25);  # Java image recognition script\r\ndefine('SN_LUA_IR', 26);  # Lua image recognition script\r\ndefine('SN_LUA_COMMENTER', 27);  # Lua snippet commenter script\r\ndefine('SN_LUA_VISUALIZER', 28);  # Lua visualizer script\r\ndefine('SN_LUA_PRODUCER', 29);\r\ndefine('SN_LUA_IMAGETRANSFORMER', 30); # Lua image transformer\r\ndefine('SN_LUA_ID_LEARNER', 31); # Image distinction (learner)\r\ndefine('SN_LUA_ID_EXECUTOR', 32); # Image distinction (executor)\r\ndefine('SN_LUA_LIVE', 33); # Lua Live\r\ndefine('SN_LUA_SNIPPET_TO_SNIPPET', 33);\r\ndefine('SN_JAVAX', 34);  # JavaX source code\r\ndefine('SN_HTML', 35);  # HTML source code\r\n#define('SN_DATA_ZIP', 36); # Data (.zip)\r\ndefine('SN_DATA', 37); # Data (any type)\r\ndefine('SN_JAVAX_TRANSLATOR', 38);  # JavaX translator\r\ndefine('SN_JAVAX_INPUT_TXT_OUTPUT_TXT', 39);  # Certain type of JavaX program\r\ndefine('SN_JAVAX_ANDROID', 40);\r\ndefine('SN_IOIOI', 41);\r\ndefine('SN_JAVAX_INC', 42);\r\ndefine('SN_JAVAX_INCOMPLETE', 43);\r\ndefine('SN_JAVAX_SNIPPETCOMMENTER', 44);\r\ndefine('SN_QUESTION', 45);\r\ndefine('SN_INFORMATION', 46);\r\ndefine('SN_JAVAX_TEST', 47);\r\ndefine('SN_NL', 48);\r\ndefine('SN_BLOGPOST', 49);\r\ndefine('SN_MICROTHEORY', 50);\r\ndefine('SN_SNL', 51);\r\ndefine('SN_USER_SUPPLIED_DIALOG', 52);\r\ndefine('SN_AI_CONCEPTS', 53);\r\ndefine('SN_JAVAX_MODULE', 54);\r\ndefine('SN_JAVAX_DESKTOP', 55);\r\ndefine('SN_AI_DRAWING', 56);\r\n# insert next here\r\n\r\ndefine('SN_NT_SNIPPET', 80); # New Tinybrain snippet\r\ndefine('SN_SPACE', 81); # a space for snippets\r\ndefine('SN_DOCUMENT', 100);  # just a human-readable text\r\ndefine('SN_DOCUMENT_TASK', 101);  # human-readable text - task description\r\ndefine('SN_DIRECTORY', 102); # A directory of snippets\r\ndefine('SN_SNIPPET_TYPE', 103);\r\ndefine('SN_IR_TASK', 104);\r\n";

  static public String parseSnippetType_defs2 = "\r\n  SN_NT_SNIPPET => 'New Tinybrain snippet',\r\n  SN_MICROTHEORY => 'Microtheory',\r\n  SN_DOCUMENT => 'Document',\r\n  SN_USER_SUPPLIED_DIALOG => 'User-supplied dialog',\r\n  SN_JAVAX => 'JavaX source code',\r\n  SN_JAVAX_INC => 'JavaX fragment (include)',\r\n  SN_JAVAX_DESKTOP => 'JavaX source code (desktop)',\r\n  SN_JAVAX_INCOMPLETE => 'JavaX (incomplete)',\r\n  SN_JAVAX_TRANSLATOR => 'JavaX translator',\r\n  SN_JAVAX_ANDROID => 'JavaX source code (Android)',\r\n  SN_JAVAX_MODULE => 'JavaX module',\r\n  SN_JAVAX_TEST => 'JavaX General Test Case',\r\n  SN_JAVAX_INPUT_TXT_OUTPUT_TXT => 'JavaX (input.txt to output.txt)',\r\n  SN_JAVAX_SNIPPETCOMMENTER => 'JavaX (snippet commenter)',\r\n  SN_IOIOI => 'IOIOI',\r\n  SN_QUESTION => 'Question',\r\n  SN_NL => 'Natural language',\r\n  SN_SPACE => 'Space for snippets',\r\n  SN_DOCUMENT_TASK => 'Task description',\r\n  SN_SNL => 'Simplified Natural Language',\r\n  SN_LUA => 'Lua code',\r\n  SN_LUA_IR => 'Lua code - Image recognition',\r\n  SN_LUA_IMAGE => 'Lua code - Image',\r\n  SN_LUA_VISUALIZER => 'Lua code - Visualizer',\r\n  SN_LUA_IMAGETRANSFORMER => 'Lua code - Image transformer',\r\n  SN_LUA_CHATBOT => 'Lua code - Chat-bot',\r\n  SN_LUA_TESTCASE => 'Lua code - Test case',\r\n  SN_LUA_ANIMATION => 'Lua code - Animation',\r\n  SN_LUA_GUI => 'Lua code - GUI',\r\n  SN_LUA_SYSTEMTEST => 'Lua code - System test',\r\n  SN_LUA_SERVICEBOT => 'Lua code - Service bot',\r\n  SN_LUA_SUGGESTER => 'Lua code - Suggester',\r\n  SN_LUA_COMMENTER => 'Lua code - Snippet commenter',\r\n  SN_LUA_PRODUCER => 'Lua code - Snippet producer',\r\n  SN_LUA_ID_LEARNER => 'Lua code - Image distinction (learner)',\r\n  SN_LUA_ID_EXECUTOR => 'Lua code - Image distinction (executor)',\r\n  SN_LUA_LIVE => 'Lua Live - Lua code with side effects',\r\n  SN_LUA_SNIPPET_TO_SNIPPET => 'Lua code - Snippet-to-snippet',\r\n  SN_T2G_GUICODE => 'Java GUI source (Text2GUI/Janino)',\r\n  SN_JAVA => 'Java source code',\r\n  SN_JAVA_IR => 'Java image recognition code',\r\n  SN_PSEUDOCODE => 'Pseudo code',\r\n  SN_HTML => 'HTML',\r\n  SN_IMAGE => 'Image',\r\n  SN_RUNLOG => 'Run Log',\r\n  SN_INFORMATION => 'Information',\r\n# SN_DATA_ZIP => 'Data (.zip)',\r\n  SN_DATA => 'Data',\r\n  SN_DECLS => 'TB declarations',\r\n  SN_TESTCASE => 'TB test case',\r\n  SN_COMMENT => 'Comment',\r\n  SN_RUNREPORT => 'Run report',\r\n  SN_SOURCE => 'Source file',\r\n  SN_SOLUTION => 'TB solution tree',\r\n  SN_COMMENT => 'Comment',\r\n  SN_INOUTEXAMPLE => 'Input/output example',\r\n  SN_OBJECT => 'Object',\r\n  SN_DIRECTORY => 'Directory',\r\n  SN_SNIPPET_TYPE => 'Snippet type',\r\n  SN_IR_TASK => 'Image recognition task',\r\n  SN_BLOGPOST => 'Blog post',\r\n  SN_AI_CONCEPTS => 'AI Concepts',\r\n  SN_AI_DRAWING => 'AI Drawing'\r\n";

  static public int parseSnippetType(String type) {
    if (eqic(type, "JavaX source code (Desktop)"))
      return 55;
    throw todo();
  }

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

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

  static public JPanel centerAndEast(final Component c, final Component e) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel panel = new JPanel(new BorderLayout());
          panel.add(BorderLayout.CENTER, wrap(c));
          panel.add(BorderLayout.EAST, wrap(e));
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel panel = new JPanel(new BorderLayout);\r\n    panel.add(BorderLayout.CENT...";
      }
    });
  }

  static public boolean isInstance(Class type, Object arg) {
    return type.isInstance(arg);
  }

  static public List dm_modules() {
    return dm_listModules();
  }

  static public boolean sameSnippetID(String a, String b) {
    if (!isSnippetID(a) || !isSnippetID(b))
      return false;
    return parseSnippetID(a) == parseSnippetID(b);
  }

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

  static public String dm_moduleSnippetID(Object mod) {
    if (mod == null)
      return null;
    return programID(dm_getModule(mod));
  }

  static public boolean dm_codeSharingEnabledInOS() {
    return isTrue(dm_getOSOpt("useCodeSharing"));
  }

  static public AutoCloseable tempSetOpt(final Object o, final String field, Object value) {
    if (!hasFieldNamed(o, field))
      return null;
    final Object oldValue = getOpt(o, field);
    setOpt(o, field, value);
    return new AutoCloseable() {

      public String toString() {
        return "setOpt(o, field, oldValue);";
      }

      public void close() throws Exception {
        setOpt(o, field, oldValue);
      }
    };
  }

  static public Object dm_os() {
    {
      var __1 = vm_generalMap_get("stefansOS");
      if (__1 != null)
        return __1;
    }
    return creator();
  }

  static public void dm_reloadModule(Object module) {
    dm_reloadModuleInBackground(module);
  }

  static public void dm_reloadModule() {
    dm_reloadModuleInBackground();
  }

  static public Object callCreator(String functionName, Object... args) {
    return call(creator(), functionName, args);
  }

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

  static public <A> A setFrameTitle(A c, final String title) {
    final Frame f = getAWTFrame(c);
    if (f != null) {
      swing(() -> {
        f.setTitle(title);
      });
    }
    return c;
  }

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

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

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

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

  static public String dropFirstLine(String text) {
    if (text == null)
      return null;
    int i = text.indexOf('\n');
    return i >= 0 ? text.substring(i + 1) : "";
  }

  static public boolean getServerTranspiled2_allowLocalFallback = true, getServerTranspiled2_localFallbackVerbose = true;

  static public Map<String, String> getServerTranspiled2_tempCache;

  static public String getServerTranspiled2(String id) {
    IResourceLoader rl = vm_getResourceLoader();
    if (rl != null)
      return rl.getTranspiled(id);
    return getServerTranspiled2_noResourceLoader(id);
  }

  static public String getServerTranspiled2_noResourceLoader(String id) {
    id = fsIOpt(id);
    String transpiled = mapGet(getServerTranspiled2_tempCache, id);
    if (transpiled != null)
      return transpiled;
    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 mapPut_returnValue(getServerTranspiled2_tempCache, id, transpiled);
    }
    return mapPut_returnValue(getServerTranspiled2_tempCache, id, transpiledSrc);
  }

  static public void openPlatformBrowser(String url) {
    try {
      if (isHeadless())
        return;
      print("Opening platform-specific browser on: " + url);
      Desktop.getDesktop().browse(uri(url));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public void openPlatformBrowser(URL url) {
    if (url == null)
      return;
    openPlatformBrowser(str(url));
  }

  static public Class __javax;

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

  static public void __setJavaX(Class j) {
    __javax = j;
    _onJavaXSet();
  }

  static public String testBracketHygiene_op = "([{";

  static public String testBracketHygiene_close = ")]}";

  static public boolean testBracketHygiene(String s) {
    return testBracketHygiene(s, testBracketHygiene_op, testBracketHygiene_close, null);
  }

  static public boolean testBracketHygiene(String s, Var<String> msg) {
    return testBracketHygiene(s, testBracketHygiene_op, testBracketHygiene_close, msg);
  }

  static public boolean testBracketHygiene(String s, String op, String close, Var<String> msg) {
    Pair<Integer, String> p = testBracketHygiene2(s, op, close);
    if (p == null) {
      if (msg != null)
        msg.set("Hygiene OK!");
      return true;
    }
    if (msg != null)
      msg.set(p.b);
    return false;
  }

  static public ThreadLocal<Object> print_byThread() {
    synchronized (print_byThread_lock) {
      if (print_byThread == null)
        print_byThread = new ThreadLocal();
    }
    return print_byThread;
  }

  static public AutoCloseable tempInterceptPrint(F1<String, Boolean> f) {
    return tempSetThreadLocal(print_byThread(), f);
  }

  static public List<String> splitAtSpace(String s) {
    return empty(s) ? emptyList() : asList(s.split("\\s+"));
  }

  static public Object defaultDefaultClassFinder() {
    return new F1<String, Class>() {

      public Class get(String name) {
        name = replacePrefix("main$main$", "main$", name);
        Class c = get2(name);
        return c;
      }

      public Class get2(String name) {
        if (eq(name, "<main>"))
          return mc();
        {
          Class c = findClass_fullName(name);
          if (c != null)
            return c;
        }
        if (startsWithAny(name, "loadableUtils.utils$", "main$", mcDollar()))
          for (String pkg : ll("loadableUtils.utils$", mcDollar())) {
            String newName = pkg + afterDollar(name);
            {
              Class c = findClass_fullName(newName);
              if (c != null)
                return c;
            }
          }
        return null;
      }
    };
  }

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

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

  static public String programIDWithCase() {
    return nempty(caseID()) ? programID() + "/" + quoteUnlessIdentifierOrInteger(caseID()) : programID();
  }

  static public DynModule dm_current() {
    return dm_currentModule();
  }

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

  static public WeakHasherMap<Symbol, Boolean> symbol_map = new WeakHasherMap(new Hasher<Symbol>() {

    public int hashCode(Symbol symbol) {
      return symbol.text.hashCode();
    }

    public boolean equals(Symbol a, Symbol b) {
      if (a == null)
        return b == null;
      return b != null && eq(a.text, b.text);
    }
  });

  static public Symbol symbol(String s) {
    if (s == null)
      return null;
    synchronized (symbol_map) {
      Symbol symbol = new Symbol(s, true);
      Symbol existingSymbol = symbol_map.findKey(symbol);
      if (existingSymbol == null)
        symbol_map.put(existingSymbol = symbol, true);
      return existingSymbol;
    }
  }

  static public Symbol symbol(CharSequence s) {
    if (s == null)
      return null;
    if (s instanceof Symbol)
      return (Symbol) s;
    if (s instanceof String)
      return symbol((String) s);
    return symbol(str(s));
  }

  static public Symbol symbol(Object o) {
    return symbol((CharSequence) o);
  }

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

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

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

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

  static public Map<Thread, Object> vm_threadInterruptionReasonsMap() {
    return vm_generalWeakSubMap("Thread interruption reasons");
  }

  static public String strOr(Object o, String ifNull) {
    return o == null ? ifNull : str(o);
  }

  static public void lockOrFail(Lock lock, long timeout) {
    try {
      ping();
      vmBus_send("locking", lock, "thread", currentThread());
      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);
      }
      vmBus_send("locked", lock, "thread", currentThread());
      ping();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

  static public File loadBinarySnippet(String snippetID) {
    IResourceLoader rl = vm_getResourceLoader();
    if (rl != null)
      return rl.loadLibrary(snippetID);
    return loadBinarySnippet_noResourceLoader(snippetID);
  }

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

  static public void onUpdate(JComponent c, Runnable r) {
    onUpdate(c, (Object) r);
  }

  static public void onUpdate(JComponent c, 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));
  }

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

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

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

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

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

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

  static public void addActionListener(final JComboBox cb, final Runnable action) {
    if (cb != null) {
      swing(() -> {
        cb.addActionListener(actionListener(action));
      });
    }
  }

  static public void addActionListener(final AbstractButton b, final Runnable action) {
    if (b != null) {
      swing(() -> {
        b.addActionListener(actionListener(action));
      });
    }
  }

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

  static public 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;
  }

  static public JComboBox onSelectedItem(final JComboBox cb, IVF1<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;
  }

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

  static public <A> A getAndClearThreadLocal(ThreadLocal<A> tl) {
    A a = tl.get();
    tl.set(null);
    return a;
  }

  static public 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;
  }

  static public File programDir_mine;

  static public File programDir() {
    return programDir(getProgramID());
  }

  static public 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;
  }

  static public File programDir(String snippetID, String subPath) {
    return new File(programDir(snippetID), subPath);
  }

  static public GZIPInputStream newGZIPInputStream(File f) {
    return gzInputStream(f);
  }

  static public GZIPInputStream newGZIPInputStream(InputStream in) {
    return gzInputStream(in);
  }

  static public Object unstructure(String text) {
    return unstructure(text, false);
  }

  static public Object unstructure(String text, boolean allDynamic) {
    return unstructure(text, allDynamic, null);
  }

  static public Object unstructure(String text, IF1<String, Class> classFinder) {
    return unstructure(text, false, classFinder);
  }

  static public int structure_internStringsLongerThan = 50;

  static public int unstructure_unquoteBufSize = 100;

  static public int unstructure_tokrefs;

  abstract static public class unstructure_Receiver {

    abstract public void set(Object o);
  }

  static public Object unstructure(String text, boolean allDynamic, Object classFinder) {
    if (text == null)
      return null;
    return unstructure_tok(javaTokC_noMLS_iterator(text), allDynamic, classFinder);
  }

  static public Object unstructure_reader(BufferedReader reader) {
    return unstructure_tok(javaTokC_noMLS_onReader(reader), false, null);
  }

  public interface unstructure_Handler {

    public void parse(int refID, int tokIndex, unstructure_Receiver out);
  }

  static public 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;

      final public Object classFinder = _classFinder != null ? _classFinder : _defaultClassFinder();

      public String mcDollar = actualMCDollar();

      public HashMap<Integer, Object> refs = new HashMap();

      public HashMap<Integer, Object> tokrefs = new HashMap();

      public HashSet<String> concepts = new HashSet();

      public List<Runnable> stack = new ArrayList();

      public Map<String, String> baseClassMap = new HashMap();

      public HashMap<Class, Constructor> innerClassConstructors = new HashMap();

      public String curT;

      public char[] unquoteBuf = new char[unstructure_unquoteBufSize];

      final public HashMap<String, Object> handlers = new HashMap();

      public X() {
        try {
          Class mc = (Class) (callF(_classFinder, "<main>"));
          if (mc != null)
            mcDollar = mc.getName() + "$";
        } catch (Throwable __e) {
          printStackTrace(__e);
        }
        makeHandlers();
      }

      public void makeHandlers() {
        unstructure_Handler h;
        handlers.put("bigint", (unstructure_Handler) (refID, tokIndex, out) -> out.set(parseBigInt()));
        handlers.put("d", (unstructure_Handler) (refID, tokIndex, out) -> out.set(parseDouble()));
        handlers.put("fl", (unstructure_Handler) (refID, tokIndex, out) -> out.set(parseFloat()));
        handlers.put("sh", (unstructure_Handler) (refID, tokIndex, out) -> {
          consume();
          String t = tpp();
          if (t.equals("-")) {
            t = tpp();
            out.set((short) (-parseInt(t)));
            return;
          }
          out.set((short) parseInt(t));
        });
        handlers.put("enum", (unstructure_Handler) (refID, tokIndex, out) -> {
          consume();
          String t = tpp();
          assertTrue(isJavaIdentifier(t));
          String fullClassName = mcDollar + t;
          Class _c = findAClass(fullClassName);
          if (_c == null)
            throw fail("Enum class not found: " + fullClassName);
          int ordinal = parseInt(tpp());
          out.set(_c.getEnumConstants()[ordinal]);
        });
        handlers.put("false", h = (unstructure_Handler) (refID, tokIndex, out) -> {
          consume();
          out.set(false);
        });
        handlers.put("f", h);
        handlers.put("true", h = (unstructure_Handler) (refID, tokIndex, out) -> {
          consume();
          out.set(true);
        });
        handlers.put("t", h);
        handlers.put("{", (unstructure_Handler) (refID, tokIndex, out) -> parseMap(out));
        handlers.put("[", (unstructure_Handler) (refID, tokIndex, out) -> {
          ArrayList l = new ArrayList();
          if (refID >= 0)
            refs.put(refID, l);
          this.parseList(l, out);
        });
        handlers.put("bitset", (unstructure_Handler) (refID, tokIndex, out) -> parseBitSet(out));
        handlers.put("array", h = (unstructure_Handler) (refID, tokIndex, out) -> parseArray(out));
        handlers.put("intarray", h);
        handlers.put("dblarray", h);
      }

      public Class findAClass(String fullClassName) {
        try {
          return classFinder != null ? (Class) callF(classFinder, fullClassName) : findClass_fullName(fullClassName);
        } catch (Throwable __e) {
          return null;
        }
      }

      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;
        if (structure_isMarker(t, 0, l(t))) {
          refID = parseInt(t.substring(1));
          consume();
        } else
          refID = -1;
        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, unstructure_Receiver out) {
        String t = t();
        Object handler = handlers.get(t);
        if (handler instanceof unstructure_Handler) {
          ((unstructure_Handler) handler).parse(refID, tokIndex, out);
          return;
        }
        Class c = (Class) handler;
        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("-")) {
            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("-")) {
            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)
              warn("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)
              warn("unsatisfied token reference " + ref + " at " + tokIndex);
            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("ll")) {
            consume();
            LinkedList l = new LinkedList();
            if (refID >= 0)
              refs.put(refID, l);
            {
              parseList(l, out);
              return;
            }
          }
          if (t.equals("syncLL")) {
            consume();
            {
              parseList(synchroLinkedList(), out);
              return;
            }
          }
          if (t.equals("sync")) {
            consume();
            {
              parse(new unstructure_Receiver() {

                public void set(Object value) {
                  if (value instanceof Map) {
                    if (value instanceof NavigableMap) {
                      out.set(synchroNavigableMap((NavigableMap) value));
                      return;
                    }
                    if (value instanceof SortedMap) {
                      out.set(synchroSortedMap((SortedMap) value));
                      return;
                    }
                    {
                      out.set(synchroMap((Map) value));
                      return;
                    }
                  } else {
                    out.set(synchroList((List) value));
                    return;
                  }
                }
              });
              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();
            t = t();
            assertTrue(isJavaIdentifier(t));
            concepts.add(t);
          }
          if (eq(t, "cu")) {
            consume();
            t = tpp();
            assertTrue(isJavaIdentifier(t));
            String fullClassName = mcDollar + t;
            Class _c = findAClass(fullClassName);
            if (_c == null)
              throw fail("Class not found: " + fullClassName);
            parse(new unstructure_Receiver() {

              public void set(Object value) {
                out.set(call(_c, "_deserialize", value));
              }
            });
            return;
          }
        }
        if (eq(t, "j")) {
          consume();
          out.set(parseJava());
          return;
        }
        if (eq(t, "bc")) {
          consume();
          String c1 = tpp();
          String c2 = tpp();
          baseClassMap.put(c1, c2);
          {
            parse_inner(refID, i, out);
            return;
          }
        }
        if (c == null && !isJavaIdentifier(t))
          throw new RuntimeException("Unknown token " + (i + 1) + ": " + quote(t));
        consume();
        String className, fullClassName;
        if (eq(t(), ".")) {
          consume();
          className = fullClassName = t + "." + assertIdentifier(tpp());
        } else {
          className = t;
          fullClassName = mcDollar + t;
        }
        if (c == null && !allDynamic) {
          c = findAClass(fullClassName);
          handlers.put(className, c);
        }
        if (c == null && !allDynamic) {
          Set<String> seen = new HashSet();
          String parent = className;
          while (true) {
            String baseName = baseClassMap.get(parent);
            if (baseName == null)
              break;
            if (!seen.add(baseName))
              throw fail("Cyclic superclass info: " + baseName);
            c = findAClass(mcDollar + baseName);
            if (c == null)
              print("Base class " + baseName + " of " + parent + " doesn't exist either");
            else if (isAbstract(c))
              print("Can't instantiate abstract base class: " + c);
            else {
              printVars_str("Reverting to base class", "className", className, "baseName", baseName, "c", c);
              handlers.put(className, c);
              break;
            }
            parent = baseName;
          }
        }
        boolean hasBracket = eq(t(), "(");
        if (hasBracket)
          consume();
        boolean hasOuter = hasBracket && startsWith(t(), "this$");
        DynamicObject dO = null;
        Object o = null;
        final String thingName = t;
        if (c != null) {
          if (hasOuter)
            try {
              Constructor ctor = innerClassConstructors.get(c);
              if (ctor == null)
                innerClassConstructors.put(c, ctor = nuStubInnerObject_findConstructor(c, classFinder));
              o = ctor.newInstance(new Object[] { null });
            } catch (Exception e) {
              print("Error deserializing " + c + ": " + e);
              o = nuEmptyObject(c);
            }
          else
            o = nuEmptyObject(c);
          if (o instanceof DynamicObject)
            dO = (DynamicObject) o;
        } else {
          if (concepts.contains(t) && (c = findAClass(mcDollar + "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);
        HashMap<String, Object> fields = new HashMap();
        Object _o = o;
        DynamicObject _dO = dO;
        if (hasBracket) {
          stack.add(new Runnable() {

            public void run() {
              try {
                if (eq(t(), ","))
                  consume();
                if (eq(t(), ")")) {
                  consume(")");
                  objRead(_o, _dO, fields, hasOuter);
                  out.set(_o != null ? _o : _dO);
                } else {
                  final String key = unquote(tpp());
                  String t = tpp();
                  if (!eq(t, "="))
                    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);
                    }
                  });
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "ifdef unstructure_debug\r\n            print(\"in object values, token: \" + t())...";
            }
          });
        } else {
          objRead(o, dO, fields, hasOuter);
          out.set(o != null ? o : dO);
        }
      }

      public void objRead(Object o, DynamicObject dO, Map<String, Object> fields, boolean hasOuter) {
        Object outer = fields.get("this$0");
        if (outer != null)
          fields.put("this$1", outer);
        else {
          outer = fields.get("this$1");
          if (outer != null)
            fields.put("this$0", outer);
        }
        if (o != null) {
          if (dO != null) {
            setOptAllDyn_pcall(dO, fields);
          } else {
            setOptAll_pcall(o, fields);
          }
          if (hasOuter)
            fixOuterRefs(o);
        } else
          for (Map.Entry<String, Object> e : fields.entrySet()) setDynObjectValue(dO, intern(e.getKey()), e.getValue());
        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) {
        tokrefs.put(i, list);
        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          ifdef unstructure_debug\r...";
          }
        });
      }

      public void parseArray(unstructure_Receiver out) {
        String _type = tpp();
        int dims;
        if (eq(t(), "S")) {
          _type = "S";
          consume();
        }
        if (eq(t(), "/")) {
          consume();
          dims = parseInt(tpp());
        } else
          dims = 1;
        consume("{");
        List list = new ArrayList();
        String type = _type;
        stack.add(new Runnable() {

          public void run() {
            try {
              if (eq(t(), "}")) {
                consume("}");
                if (dims > 1) {
                  Class atype;
                  if (type.equals("intarray"))
                    atype = int.class;
                  else if (type.equals("S"))
                    atype = String.class;
                  else
                    throw todo("multi-dimensional arrays of other types");
                  out.set(list.toArray((Object[]) newMultiDimensionalOuterArray(atype, dims, l(list))));
                } else
                  out.set(type.equals("intarray") ? toIntArray(list) : type.equals("dblarray") ? toDoubleArray(list) : type.equals("S") ? toStringArray(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          if (dims > 1) {\r\n    ...";
          }
        });
      }

      public Object parseClass() {
        consume("class");
        consume("(");
        String name = unquote(tpp());
        consume(")");
        Class c = allDynamic ? null : findAClass(name);
        if (c != null)
          return c;
        DynamicObject dO = new DynamicObject();
        dO.className = "java.lang.Class";
        name = dropPrefix(mcDollar, 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 = false;

          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_initial(unstructure_Receiver out) {
        consume();
        parse(out);
        while (nempty(stack)) popLast(stack).run();
      }
    }
    ThreadLocal<Boolean> tlLoading = dynamicObjectIsLoading_threadLocal();
    Boolean b = tlLoading.get();
    tlLoading.set(true);
    try {
      final Var v = new Var();
      X x = new X();
      x.parse_initial(new unstructure_Receiver() {

        public void set(Object o) {
          v.set(o);
        }
      });
      unstructure_tokrefs = x.tokrefs.size();
      return v.get();
    } finally {
      tlLoading.set(b);
    }
  }

  static public boolean unstructure_debug = false;

  static public 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();
  }

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

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

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

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

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

  static public Timer installTimer(JComponent component, Object r, long delay) {
    return installTimer(component, r, delay, delay);
  }

  static public Timer installTimer(RootPaneContainer frame, long delay, Object r) {
    return installTimer(frame.getRootPane(), r, delay, delay);
  }

  static public Timer installTimer(JComponent component, long delay, Object r) {
    return installTimer(component, r, delay, delay);
  }

  static public Timer installTimer(JComponent component, long delay, long firstDelay, Object r) {
    return installTimer(component, r, delay, firstDelay);
  }

  static public Timer installTimer(final JComponent component, final Object r, final long delay, final long firstDelay) {
    return installTimer(component, r, delay, firstDelay, true);
  }

  static public Timer installTimer(final JComponent component, final Object r, final long delay, final long firstDelay, final boolean repeats) {
    if (component == null)
      return null;
    return (Timer) swingAndWait(new F0<Object>() {

      public Object get() {
        try {
          final Var<Timer> timer = new Var();
          timer.set(new Timer(toInt(delay), new java.awt.event.ActionListener() {

            public void actionPerformed(java.awt.event.ActionEvent _evt) {
              try {
                AutoCloseable __1 = tempActivity(r);
                try {
                  try {
                    if (!allPaused())
                      if (isFalse(callF(r)))
                        cancelTimer(timer.get());
                  } catch (Throwable __e) {
                    printStackTrace(__e);
                  }
                } finally {
                  _close(__1);
                }
              } catch (Throwable __e) {
                messageBox(__e);
              }
            }
          }));
          timer.get().setInitialDelay(toInt(firstDelay));
          timer.get().setRepeats(repeats);
          bindTimerToComponent(timer.get(), component);
          return timer.get();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "final new Var<Timer> timer;\r\n    timer.set(new Timer(toInt(delay), actionList...";
      }
    });
  }

  static public Timer installTimer(RootPaneContainer frame, long delay, long firstDelay, Object r) {
    return installTimer(frame.getRootPane(), delay, firstDelay, r);
  }

  static public JRootPane getRootPane(Component c) {
    Component f = (Component) getPossiblyInternalFrame(c);
    return f instanceof RootPaneContainer ? (JRootPane) swingCall(f, "getRootPane") : null;
  }

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

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

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

  static public <A, B> Pair<A, B> first(Map<A, B> map) {
    return mapEntryToPair(first(entrySet(map)));
  }

  static public <A, B> Pair<A, B> first(MultiMap<A, B> mm) {
    if (mm == null)
      return null;
    var e = first(mm.data.entrySet());
    if (e == null)
      return null;
    return pair(e.getKey(), first(e.getValue()));
  }

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

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

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

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

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

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

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

  static public Byte first(byte[] l) {
    return empty(l) ? null : l[0];
  }

  static public <A> A first(A[] l, IF1<A, Boolean> pred) {
    return firstThat(l, pred);
  }

  static public <A> A first(Iterable<A> l, IF1<A, Boolean> pred) {
    return firstThat(l, pred);
  }

  static public <A> A first(IF1<A, Boolean> pred, Iterable<A> l) {
    return firstThat(pred, l);
  }

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

  static public boolean headless() {
    return isHeadless();
  }

  static public String hideCredentials(URL url) {
    return url == null ? null : hideCredentials(str(url));
  }

  static public String hideCredentials(String url) {
    try {
      if (startsWithOneOf(url, "http://", "https://") && isAGIBlueDomain(hostNameFromURL(url)))
        return url;
    } catch (Throwable e) {
      print("HideCredentials", e);
    }
    return url.replaceAll("([&?])(_pass|key|cookie)=[^&\\s\"]*", "$1$2=<hidden>");
  }

  static public String hideCredentials(Object o) {
    return hideCredentials(str(o));
  }

  static public Throwable innerException2(Throwable e) {
    if (e == null)
      return null;
    while (empty(e.getMessage()) && e.getCause() != null) e = e.getCause();
    return e;
  }

  static public void setMenuBar(final JMenuBar mb, final RootPaneContainer f) {
    {
      swing(() -> {
        call(f, "setJMenuBar", mb);
        revalidate((Component) f);
      });
    }
  }

  static public void setMenuBar(RootPaneContainer f, JMenuBar mb) {
    setMenuBar(mb, f);
  }

  static public <A> int indexOf(List<A> l, A a, int startIndex) {
    if (l == null)
      return -1;
    int n = l(l);
    for (int i = startIndex; i < n; i++) if (eq(l.get(i), a))
      return i;
    return -1;
  }

  static public <A> int indexOf(List<A> l, int startIndex, A a) {
    return indexOf(l, a, startIndex);
  }

  static public <A> int indexOf(List<A> l, A a) {
    if (l == null)
      return -1;
    return l.indexOf(a);
  }

  static public int indexOf(String a, String b) {
    return a == null || b == null ? -1 : a.indexOf(b);
  }

  static public int indexOf(String a, String b, int i) {
    return a == null || b == null ? -1 : a.indexOf(b, i);
  }

  static public int indexOf(String a, char b) {
    return a == null ? -1 : a.indexOf(b);
  }

  static public int indexOf(String a, int i, char b) {
    return indexOf(a, b, i);
  }

  static public int indexOf(String a, char b, int i) {
    return a == null ? -1 : a.indexOf(b, i);
  }

  static public int indexOf(String a, int i, String b) {
    return a == null || b == null ? -1 : a.indexOf(b, i);
  }

  static public <A> int indexOf(A[] x, A a) {
    int n = l(x);
    for (int i = 0; i < n; i++) if (eq(x[i], a))
      return i;
    return -1;
  }

  static public <A> int indexOf(Iterable<A> l, A a) {
    if (l == null)
      return -1;
    int i = 0;
    for (A x : l) {
      if (eq(x, a))
        return i;
      i++;
    }
    return -1;
  }

  static public boolean isLetterOrDigit(char c) {
    return Character.isLetterOrDigit(c);
  }

  static public <A, B> Pair<A, B> pair(A a, B b) {
    return new Pair(a, b);
  }

  static public <A> Pair<A, A> pair(A a) {
    return new Pair(a, a);
  }

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

  static public String substring(String s, int x, int y) {
    if (s == null)
      return null;
    if (x < 0)
      x = 0;
    int n = s.length();
    if (y < x)
      y = x;
    if (y > n)
      y = n;
    if (x >= y)
      return "";
    return s.substring(x, y);
  }

  static public String substring(String s, CharSequence l) {
    return substring(s, lCharSequence(l));
  }

  static public Object[] asArray(List l) {
    return toObjectArray(l);
  }

  static public <A> A[] asArray(Class<A> type, List l) {
    return (A[]) l.toArray((Object[]) Array.newInstance(type, l.size()));
  }

  static public boolean isMenuSeparatorIndicator(Object o) {
    return eqOneOf(o, "***", "---", "===", "");
  }

  static public 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");
  }

  static public boolean jmenuItem_newThreads = false;

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

  static public 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...";
      }
    });
  }

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

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

  static public String unCurlyBracket(String s) {
    return tok_unCurlyBracket(s);
  }

  static public <A extends JComponent> A bindLiveValueListenerToComponent(A component, final LiveValue lv, final Runnable listener) {
    if (lv != null)
      bindToComponent(component, new Runnable() {

        public void run() {
          try {
            print("bindLiveValueListenerToComponent: showing");
            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.removeChangeListener(listener);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "lv.removeChangeListener(listener)";
        }
      });
    return component;
  }

  static public boolean isCurlyBracketed(String s) {
    return isCurlyBraced(s);
  }

  static public <A extends JComponent> A setEnabled(A c, boolean enable) {
    if (c != null) {
      swing(() -> {
        c.setEnabled(enable);
      });
    }
    return c;
  }

  static public <A extends JComponent> A setEnabled(boolean enable, A c) {
    return setEnabled(c, enable);
  }

  static public void setEnabled(boolean enable, JComponent... l) {
    for (var c : unnullForIteration(l)) setEnabled(c, enable);
  }

  static public Field makeAccessible(Field f) {
    try {
      f.setAccessible(true);
    } catch (Throwable e) {
      vmBus_send("makeAccessible_error", e, f);
    }
    return f;
  }

  static public Method makeAccessible(Method m) {
    try {
      m.setAccessible(true);
    } catch (Throwable e) {
      vmBus_send("makeAccessible_error", e, m);
    }
    return m;
  }

  static public Constructor makeAccessible(Constructor c) {
    try {
      c.setAccessible(true);
    } catch (Throwable e) {
      vmBus_send("makeAccessible_error", e, c);
    }
    return c;
  }

  static public 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) {
        f.set(o, ((Long) value).intValue());
        return;
      }
      if (type == boolean.class && value instanceof String) {
        f.set(o, isTrueOrYes(((String) value)));
        return;
      }
      if (type == LinkedHashMap.class && value instanceof Map) {
        f.set(o, asLinkedHashMap((Map) value));
        return;
      }
      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;
    }
  }

  static public void saveLocally(String variableName) {
    saveLocally(programID(), variableName);
  }

  static public void saveLocally(String progID, String variableName) {
    saveLocally2(mc(), progID, variableName);
  }

  static public void saveLocally2(Object obj, String variableName) {
    saveLocally2(obj, programID(), variableName);
  }

  static public File saveLocally2(Object obj, String progID, String variableName) {
    Lock __0 = saveLock();
    lock(__0);
    try {
      File textFile = new File(programDir(progID), variableName + ".text");
      File structureFile = new File(programDir(progID), variableName + ".structure");
      Object x = get(obj, variableName);
      if (x == null) {
        textFile.delete();
        structureFile.delete();
        return null;
      } else if (x instanceof String) {
        saveTextFile(textFile, (String) x);
        structureFile.delete();
        return textFile;
      } else {
        saveTextFile(structureFile, javaTokWordWrap(structure(x)));
        textFile.delete();
        return structureFile;
      }
    } finally {
      unlock(__0);
    }
  }

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

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

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

  static public String shortenClassName(String name) {
    if (name == null)
      return null;
    int i = lastIndexOf(name, "$");
    if (i < 0)
      i = lastIndexOf(name, ".");
    return i < 0 ? name : substring(name, i + 1);
  }

  static public boolean isIdentifier(String s) {
    return isJavaIdentifier(s);
  }

  static public Object dm_getService(String serviceName) {
    return empty(serviceName) ? null : dm_getModule(vmBus_query(assertIdentifier(serviceName)));
  }

  static public boolean isStringOrIntOrLong(Object o) {
    return o instanceof String || o instanceof Integer || o instanceof Long;
  }

  static public Object dm_resolveModule(Object moduleOrStem) {
    return dm_callOS("resolveModule", moduleOrStem);
  }

  static public Class<?> _getClass(String name) {
    try {
      return Class.forName(name);
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  static public Class _getClass(Object o) {
    return o == null ? null : o instanceof Class ? (Class) o : o.getClass();
  }

  static public Class _getClass(Object realm, String name) {
    try {
      return classLoaderForObject(realm).loadClass(classNameToVM(name));
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  static public boolean shortClassNameIs(Object o, String name) {
    return eq(shortClassName(o), name);
  }

  static public boolean shortClassNameIs(String name, Object o) {
    return shortClassNameIs(o, name);
  }

  static public <A extends Component> A internalFrameTitle(A c, final String title) {
    final JInternalFrame f = getInternalFrame(c);
    if (f != null) {
      swing(() -> {
        f.setTitle(unnull(title));
        toolTip(getInternalFrameTitlePaneComponent(f), title);
      });
    }
    return c;
  }

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

  static public String internalFrameTitle(Component c) {
    final JInternalFrame f = getInternalFrame(c);
    return f == null ? null : swing(new F0<String>() {

      public String get() {
        try {
          return f.getTitle();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "return f.getTitle();";
      }
    });
  }

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

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

  static public String frameTitle(Component c) {
    return getFrameTitle(c);
  }

  static public String _userHome;

  static public String userHome() {
    if (_userHome == null)
      return actualUserHome();
    return _userHome;
  }

  static public File userHome(String path) {
    return new File(userDir(), path);
  }

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

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

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

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

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

  static public String jlabel_textAsHTML_center(String text) {
    return "<html><div style=\"text-align: center;\">" + replace(htmlencode2(text), "\n", "<br>") + "</div></html>";
  }

  static public File muricaPasswordFile() {
    return new File(javaxSecretDir(), "murica/muricaPasswordFile");
  }

  static public <A> List<A> immutableEmptyList() {
    return Collections.emptyList();
  }

  static public short[] emptyShortArray = new short[0];

  static public short[] emptyShortArray() {
    return emptyShortArray;
  }

  static public <A, B> Map<A, B> immutableEmptyMap() {
    return Collections.emptyMap();
  }

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

  static public JButton basicJButton(String text) {
    return swing(() -> new JButton(text));
  }

  static public <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 "return nuObject(c, args);";
      }
    });
  }

  static public String nullIfEmpty(String s) {
    return isEmpty(s) ? null : s;
  }

  static public <A, B> Map<A, B> nullIfEmpty(Map<A, B> map) {
    return isEmpty(map) ? null : map;
  }

  static public <A> List<A> nullIfEmpty(List<A> l) {
    return isEmpty(l) ? null : l;
  }

  static public int imageIcon_cacheSize = 10;

  static public boolean imageIcon_verbose = false;

  static public Map<String, ImageIcon> imageIcon_cache;

  static public Lock imageIcon_lock = lock();

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

  static public ImageIcon imageIcon(String imageID) {
    try {
      if (imageID == null)
        return null;
      Lock __0 = imageIcon_lock;
      lock(__0);
      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(__0);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

  static public ImageIcon imageIcon(Image img) {
    return img == null ? null : new ImageIcon(img);
  }

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

  static public JButton setButtonImage(Icon img, JButton btn) {
    btn.setIcon(img);
    return btn;
  }

  static public JButton setButtonImage(Image img, JButton btn) {
    btn.setIcon(imageIcon(img));
    return btn;
  }

  static public <A extends AbstractButton> A setButtonImage(Image img, A btn) {
    btn.setIcon(imageIcon(img));
    return btn;
  }

  static public <A extends AbstractButton> A setButtonImage(A btn, Image img) {
    return setButtonImage(img, btn);
  }

  static public <A extends AbstractButton> A setButtonImage(A btn, String imageID) {
    btn.setIcon(imageIcon(imageID));
    return btn;
  }

  static public JButton setButtonImage(JButton btn, Image img) {
    return setButtonImage(img, btn);
  }

  static public JButton setButtonImage(JButton btn, Icon img) {
    return setButtonImage(img, btn);
  }

  static public int javaTok_n, javaTok_elements;

  static public boolean javaTok_opt = false;

  static public List<String> javaTok(String s) {
    ++javaTok_n;
    ArrayList<String> tok = new ArrayList();
    int l = s == null ? 0 : s.length();
    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 && !regionMatches(s, j, "*/"));
          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));
      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)) || s.charAt(j) == '\''));
      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 < l && !regionMatches(s, j, "]]"));
        j = Math.min(j + 2, l);
      } else if (c == '[' && d == '=' && i + 2 < l && s.charAt(i + 2) == '[') {
        do ++j; while (j + 2 < l && !regionMatches(s, j, "]=]"));
        j = Math.min(j + 3, l);
      } else
        ++j;
      tok.add(javaTok_substringC(s, i, j));
      i = j;
    }
    if ((tok.size() % 2) == 0)
      tok.add("");
    javaTok_elements += tok.size();
    return tok;
  }

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

  static public List<Integer> getBracketMap2(List<String> tok, Map<Integer, Integer> map, String openingBrackets, String closingBrackets) {
    map.clear();
    List<Integer> stack = new ArrayList();
    for (int i = 1; i < l(tok); i += 2) {
      String t = tok.get(i);
      if (l(t) == 1)
        if (openingBrackets.contains(t))
          stack.add(i);
        else if (closingBrackets.contains(tok.get(i)))
          map.put(empty(stack) ? 0 : liftLast(stack), i);
    }
    return stack;
  }

  static public boolean isUnproperlyQuoted(String s) {
    return startsWith(s, '"') && !isProperlyQuoted(s);
  }

  static public int tokenIndexToUserLandLineNr(List<String> tok, int tokenIndex) {
    return charIndexToUserLandLineNr(join(tok), tokenIndexToCharIndex(tok, tokenIndex));
  }

  static public int tokenToCharIndex(List<String> tok, int tokenIndex) {
    if (tokenIndex < 0)
      return -1;
    int idx = 0;
    tokenIndex = min(tokenIndex, l(tok));
    for (int i = 0; i < tokenIndex; i++) idx += l(tok.get(i));
    return idx;
  }

  static public <A> A last(List<A> l) {
    return empty(l) ? null : l.get(l.size() - 1);
  }

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

  static public byte last(byte[] a) {
    return l(a) != 0 ? a[l(a) - 1] : 0;
  }

  static public int last(int[] a) {
    return l(a) != 0 ? a[l(a) - 1] : 0;
  }

  static public double last(double[] a) {
    return l(a) != 0 ? a[l(a) - 1] : 0;
  }

  static public <A> A last(A[] a) {
    return l(a) != 0 ? a[l(a) - 1] : null;
  }

  static public <A> A last(Iterator<A> it) {
    A a = null;
    while (it.hasNext()) {
      ping();
      a = it.next();
    }
    return a;
  }

  static public <A> A last(Collection<A> l) {
    if (l == null)
      return null;
    if (l instanceof List)
      return (A) last((List) l);
    if (l instanceof SortedSet)
      return (A) last((SortedSet) l);
    Iterator<A> it = iterator(l);
    A a = null;
    while (it.hasNext()) {
      ping();
      a = it.next();
    }
    return a;
  }

  static public <A> A last(SortedSet<A> l) {
    return l == null ? null : l.last();
  }

  static public <A> A last(CompactLinkedHashSet<A> set) {
    return set == null ? null : set.last();
  }

  static public int tokenIndexToCharIndex(List<String> tok, int tokenIndex) {
    return tokenToCharIndex(tok, tokenIndex);
  }

  static public String n(long l, String name) {
    return l + " " + trim(l == 1 ? singular(name) : getPlural(name));
  }

  static public String n(Collection l, String name) {
    return n(l(l), name);
  }

  static public String n(Map m, String name) {
    return n(l(m), name);
  }

  static public String n(Object[] a, String name) {
    return n(l(a), name);
  }

  static public String n(MultiSet ms, String name) {
    return n(l(ms), name);
  }

  static public Object rcall(String method, Object o, Object... args) {
    return call_withVarargs(o, method, args);
  }

  static public Runnable _topLevelErrorHandling(Runnable r) {
    if (r == null)
      return null;
    Object info = _threadInfo();
    Object mod = dm_current_generic();
    if (info == null && mod == null)
      return r;
    return new Runnable() {

      public void run() {
        try {
          AutoCloseable __1 = (AutoCloseable) (rcall("enter", mod));
          try {
            _threadInheritInfo(info);
            r.run();
          } finally {
            _close(__1);
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "temp (AutoCloseable) rcall enter(mod);\r\n    _threadInheritInfo(info);\r\n    r....";
      }
    };
  }

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

  static public File localSnippetFile(long snippetID) {
    return localSnippetsDir(snippetID + ".text");
  }

  static public File localSnippetFile(String snippetID) {
    return localSnippetFile(parseSnippetID(snippetID));
  }

  static public File oneOfTheFiles(String... paths) {
    if (paths != null)
      for (String path : paths) if (fileExists(path))
        return newFile(path);
    return null;
  }

  static public File oneOfTheFiles(File... files) {
    return oneOfTheFiles(asList(files));
  }

  static public File oneOfTheFiles(Iterable<File> files) {
    if (files != null)
      for (File f : files) if (fileExists(f))
        return f;
    return null;
  }

  static public File javaxSecretDir_dir;

  static public File javaxSecretDir() {
    return javaxSecretDir_dir != null ? javaxSecretDir_dir : new File(userHome(), "JavaX-Secret");
  }

  static public File javaxSecretDir(String sub) {
    return newFile(javaxSecretDir(), sub);
  }

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

  static public String shortenSnippetID(String snippetID) {
    if (snippetID.startsWith("#"))
      snippetID = snippetID.substring(1);
    String httpBlaBla = "http://tinybrain.de/";
    if (snippetID.startsWith(httpBlaBla))
      snippetID = snippetID.substring(httpBlaBla.length());
    return "" + parseLong(snippetID);
  }

  static public byte[] utf8(String s) {
    return toUtf8(s);
  }

  static public File getProgramFile(String progID, String fileName) {
    if (new File(fileName).isAbsolute())
      return new File(fileName);
    return new File(getProgramDir(progID), fileName);
  }

  static public File getProgramFile(String fileName) {
    return getProgramFile(getProgramID(), fileName);
  }

  static public String makePostData(Map map) {
    StringBuilder buf = new StringBuilder();
    for (Map.Entry<Object, Object> e : castMapToMapO(map).entrySet()) {
      String key = (String) (e.getKey());
      Object val = e.getValue();
      if (val != null) {
        String value = str(val);
        if (nempty(buf))
          buf.append("&");
        buf.append(urlencode(key)).append("=").append(urlencode((value)));
      }
    }
    return str(buf);
  }

  static public String makePostData(Object... params) {
    StringBuilder buf = new StringBuilder();
    int n = l(params);
    for (int i = 0; i + 1 < n; i += 2) {
      String key = (String) (params[i]);
      Object val = params[i + 1];
      if (val != null) {
        String value = str(val);
        if (nempty(buf))
          buf.append("&");
        buf.append(urlencode(key)).append("=").append(urlencode((value)));
      }
    }
    return str(buf);
  }

  static public 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) {
      }
  }

  static public 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;
  }

  static final public Map<Class, _MethodCache> callOpt_cache = newDangerousWeakHashMap();

  static public 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);
    }
  }

  static public _MethodCache callOpt_getCache(Class c) {
    _MethodCache cache = callOpt_cache.get(c);
    if (cache == null)
      callOpt_cache.put(c, cache = new _MethodCache(c));
    return cache;
  }

  static public Object invokeMethod(Method m, Object o, Object... args) {
    try {
      try {
        return m.invoke(o, args);
      } catch (InvocationTargetException e) {
        throw rethrow(getExceptionCause(e));
      } catch (IllegalArgumentException e) {
        throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args)));
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public boolean isStaticMethod(Method m) {
    return methodIsStatic(m);
  }

  static public Object[] massageArgsForVarArgsCall(Method m, Object[] args) {
    Class<?>[] types = m.getParameterTypes();
    int n = types.length - 1, nArgs = args.length;
    if (nArgs < n)
      return null;
    for (int i = 0; i < n; i++) if (!argumentCompatibleWithType(args[i], types[i]))
      return null;
    Class varArgType = types[n].getComponentType();
    for (int i = n; i < nArgs; i++) if (!argumentCompatibleWithType(args[i], varArgType))
      return null;
    Object[] newArgs = new Object[n + 1];
    arraycopy(args, 0, newArgs, 0, n);
    Object[] varArgs = arrayOfType(varArgType, nArgs - n);
    arraycopy(args, n, varArgs, 0, nArgs - n);
    newArgs[n] = varArgs;
    return newArgs;
  }

  static public <A> String joinWithComma(Collection<A> c) {
    return join(", ", c);
  }

  static public String joinWithComma(Object... c) {
    return join(", ", c);
  }

  static public String joinWithComma(String... c) {
    return join(", ", c);
  }

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

  static public List<String> classNames(Collection l) {
    return getClassNames(l);
  }

  static public List<String> classNames(Object[] l) {
    return getClassNames(Arrays.asList(l));
  }

  static public 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);
    }
  }

  static public void _registerIO(Object object, String path, boolean opened) {
  }

  static public Object vmBus_wrapArgs(Object... args) {
    return empty(args) ? null : l(args) == 1 ? args[0] : args;
  }

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

  static public void pcallFAll_minimalExceptionHandling(Iterator it, Object... args) {
    while (it.hasNext()) {
      ping();
      pcallF_minimalExceptionHandling(it.next(), args);
    }
  }

  static public Set vm_busListeners_live_cache;

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

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

  static public Map<String, Set> vm_busListenersByMessage_live_cache;

  static public 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;
  }

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

  static public <A> A printHidingCredentials(A o) {
    print(hideCredentials(str(o)));
    return o;
  }

  static public File infoBoxesLogFile() {
    return new File(javaxDataDir(), "Logs/infoBoxes.txt");
  }

  static public JWindow makeWindow(final Component c) {
    return swing(new F0<JWindow>() {

      public JWindow get() {
        try {
          JWindow w = new JWindow();
          w.add(wrap(c));
          return w;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "new JWindow w;\r\n    w.add(wrap(c));\r\n    ret w;";
      }
    });
  }

  static public 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);
  }

  static public int moveToTopRightCorner_inset = 20;

  static public <A extends Component> A moveToTopRightCorner(A a) {
    return moveToTopRightCorner(moveToTopRightCorner_inset, moveToTopRightCorner_inset, a);
  }

  static public <A extends Component> A moveToTopRightCorner(int insetX, int insetY, A a) {
    {
      swing(() -> {
        Window w = getWindow(a);
        if (w != null) {
          var bounds = preferredScreenBounds();
          w.setLocation(bounds.x2() - w.getWidth() - insetX, bounds.y1() + insetY);
        }
      });
    }
    return a;
  }

  static public boolean vmBus_noObjections(String msg, Object... args) {
    return !vmBus_anyFalse(msg, args);
  }

  static public <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;
  }

  static public <A extends Window> A disposeWindowAfter(A w, double seconds) {
    return disposeWindowAfter(toMS_int(seconds), w);
  }

  static public <A extends Window> A disposeWindowAfter(double seconds, A w) {
    return disposeWindowAfter(w, seconds);
  }

  static public int iround(double d) {
    return (int) Math.round(d);
  }

  static public int iround(Number n) {
    return iround(toDouble(n));
  }

  static public 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;
  }

  static public 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");
  }

  static public String imageServerURL() {
    return or2(trim(loadTextFile(javaxDataDir("image-server-url.txt"))), "http://botcompany.de/images/raw/");
  }

  static public String muricaCredentialsQuery() {
    return htmlQuery(muricaCredentials());
  }

  static public String standardCredentials_noCookies() {
    return standardCredentials() + "&noCookies=1";
  }

  static public boolean saveTextFileIfChanged(File f, String contents) {
    return saveTextFileIfDifferent(f, contents);
  }

  static public File snippetTitle_cacheFile(String snippetID) {
    return javaxCachesDir("Snippet Titles/" + psI(snippetID));
  }

  static public void setFileInfoField(File f, String field, Object value) {
    setOneLineFileInfoField(f, field, value);
  }

  static public <A, B> Map<A, B> mapPlus(Map<A, B> m, Object... data) {
    m = cloneMap(m);
    litmap_impl(m, data);
    return m;
  }

  static public Map<String, String> standardCredentialsMap() {
    String user = standardCredentialsUser();
    String pass = standardCredentialsPass();
    if (nempty(user) && nempty(pass))
      return litmap("_user", user, "_pass", pass);
    return litmap();
  }

  static public void newPing() {
    var tl = newPing_actionTL();
    Runnable action = tl == null ? null : tl.get();
    {
      if (action != null)
        action.run();
    }
  }

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

  static public boolean cic(Collection<String> l, String s) {
    return containsIgnoreCase(l, s);
  }

  static public boolean cic(Collection<Symbol> l, Symbol s) {
    return contains(l, s);
  }

  static public boolean cic(String[] l, String s) {
    return containsIgnoreCase(l, s);
  }

  static public boolean cic(String s, char c) {
    return containsIgnoreCase(s, c);
  }

  static public boolean cic(String a, String b) {
    return containsIgnoreCase(a, b);
  }

  static public double toSeconds(long ms) {
    return ms / 1000.0;
  }

  static public String toSeconds(long ms, int digits) {
    return formatDouble(toSeconds(ms), digits);
  }

  static public double toSeconds(double ms) {
    return ms / 1000.0;
  }

  static public String toSeconds(double ms, int digits) {
    return formatDouble(toSeconds(ms), digits);
  }

  static public String formatDouble(double d, int digits) {
    String format = digits <= 0 ? "0" : "0." + rep(digits, '#');
    return decimalFormatEnglish(format, d);
  }

  static public String formatDouble(double d) {
    return str(d);
  }

  static public long getLastTiming() {
    ThreadLocal<Long> tl = saveTiming_tl();
    if (tl == null)
      return -1;
    Long l = tl.get();
    return l == null ? -1 : l;
  }

  static public <A, B> B mapGet(Map<A, B> map, A a) {
    return map == null || a == null ? null : map.get(a);
  }

  static public <A, B> B mapGet(A a, Map<A, B> map) {
    return map == null || a == null ? null : map.get(a);
  }

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

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

  static public boolean even(BigInteger n) {
    return even(n.intValue());
  }

  static public Matcher regexpMatcher(String pat, String s) {
    return compileRegexp(pat).matcher(unnull(s));
  }

  static public Matcher regexpMatcher(java.util.regex.Pattern pat, String s) {
    return pat.matcher(unnull(s));
  }

  static public Map<String, java.util.regex.Pattern> compileRegexp_cache = syncMRUCache(10);

  static public 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;
  }

  static public List<String> trimAll(String... l) {
    return trimAll(asList(l));
  }

  static public List<String> trimAll(Collection<String> l) {
    List<String> l2 = new ArrayList();
    if (l != null)
      for (String s : l) l2.add(trim(s));
    return l2;
  }

  static public List<String> getJavaLineComments(String s) {
    List<String> tok = javaTok(s);
    List<String> out = new ArrayList();
    for (int i = 0; i < l(tok); i += 2) addAll(out, regexpAllFirstGroups("//([^\r\n]*)", tok.get(i)));
    return out;
  }

  static public <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");
  }

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

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

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

  static public boolean boolOptParam(String name, Map __) {
    return isTrue(optPar(name, __));
  }

  static public void transpileLocalSnippet(String progID) {
    transpileLocalSnippet(progID, "quick");
  }

  static public void transpileLocalSnippet(String progID, String mode) {
    if (neq(mode, "quick"))
      refreshTranspiler();
    String javax = loadLocalSnippet(progID);
    long _startTime_0 = sysNow();
    transpileRaw_silent = false;
    String java;
    try {
      java = transpileRaw(javax);
    } catch (Throwable e) {
      int line = parseIntOpt(jextract("(line <int>,", str(e)));
      if (line != 0) {
        List<String> lines = lines(loadProgramTextFile("error.java"));
        for (int i = line - 1; i <= line + 1; i++) print("[line " + i + "] " + get(lines, i - 1));
      }
      throw rethrow(e);
    }
    print("Transpiled to " + l(java) + " chars");
    done2_always("Transpile", _startTime_0);
    List<String> libs = new ArrayList();
    java = findTranslators2(java, libs);
    print("Libs: " + or2(joinWithComma(libs), "-"));
    String dehlibs = join(" ", libs);
    saveTranspiledCode(progID, dehlibs + "\n" + java);
    File bytecode = javaCompile_overInternalBot(java, dehlibs);
    print("Bytecode: " + f2s(assertNotNull(bytecode)));
  }

  static public String trimLoadTextFile(String fileName) {
    return loadTextFile_trim(fileName);
  }

  static public String trimLoadTextFile(File f, String defaultContents) {
    return loadTextFile_trim(f, defaultContents);
  }

  static public String trimLoadTextFile(File fileName) {
    return loadTextFile_trim(fileName);
  }

  static public String trimLoadTextFile(String fileName, String defaultContents) {
    return loadTextFile_trim(fileName, defaultContents);
  }

  static public File javaxDataDir_dir;

  static public File javaxDataDir() {
    return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data");
  }

  static public File javaxDataDir(String... subs) {
    return newFile(javaxDataDir(), subs);
  }

  static public Pair<Boolean, String> transpileOnDediServer(String snippetID) {
    return transpileOnDediServer(snippetID, "quick");
  }

  static public Pair<Boolean, String> transpileOnDediServer(long snippetID) {
    return transpileOnDediServer(fsI(snippetID));
  }

  static public Pair<Boolean, String> transpileOnDediServer(long snippetID, String mode) {
    return transpileOnDediServer(fsI(snippetID), mode);
  }

  static public Pair<Boolean, String> transpileOnDediServer(String snippetID, String mode) {
    try {
      print("Transpiling " + formatSnippetID(snippetID));
      String url = "https://transpile-coffee.botcompany.de/";
      String result = postPage(url, paramsPlus(muricaCredentials(), "snippetID", snippetID, "medium", eq(mode, "medium") ? "1" : null, "fresh", eq(mode, "fresh") ? "1" : null));
      print(result);
      boolean ok = cic(htmlDecode(result), "Transpiled & uploaded");
      return pair(ok, result);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Pair<Boolean, String> transpileOnNewServer(String snippetID) {
    return transpileOnNewServer(snippetID, "quick");
  }

  static public Pair<Boolean, String> transpileOnNewServer(long snippetID) {
    return transpileOnNewServer(fsI(snippetID));
  }

  static public Pair<Boolean, String> transpileOnNewServer(long snippetID, String mode) {
    return transpileOnNewServer(fsI(snippetID), mode);
  }

  static public Pair<Boolean, String> transpileOnNewServer(String snippetID, String mode) {
    try {
      print("Transpiling " + formatSnippetID(snippetID));
      String url = "https://botcompany.de/1018308/raw/" + psI(snippetID);
      url = appendParamsToURL(url, "medium", eq(mode, "medium") ? "1" : null, "fresh", eq(mode, "fresh") ? "1" : null);
      String result = postPage(url, muricaCredentials());
      print(result);
      boolean ok = cic(htmlDecode(result), "Transpiled & uploaded");
      return pair(ok, result);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Pair<Boolean, String> transpileOnServer(String snippetID) {
    return transpileOnServer(snippetID, "quick");
  }

  static public Pair<Boolean, String> transpileOnServer(long snippetID) {
    return transpileOnServer(fsI(snippetID));
  }

  static public Pair<Boolean, String> transpileOnServer(long snippetID, String mode) {
    return transpileOnServer(fsI(snippetID), mode);
  }

  static public Pair<Boolean, String> transpileOnServer(String snippetID, String mode) {
    try {
      print("Transpiling " + formatSnippetID(snippetID));
      String url = tb_mainServer() + "/tb/transpile.php";
      String modeStr = "&quick=1";
      if (eq(mode, "medium"))
        modeStr += "&medium=1";
      if (eq(mode, "fresh"))
        modeStr += "&fresh=1";
      String query = "id=" + parseSnippetID(snippetID) + modeStr + standardCredentials();
      String result = loadPage(url + "?" + query);
      print(result);
      Matcher m = regexp("URL=/(dexcompile\\.php.*?)'", result);
      if (!m.find())
        return pair(false, result);
      url = tb_mainServer() + "/" + m.group(1) + standardCredentials();
      result = loadPage(url);
      boolean ok = result.contains("SUCCESS");
      return pair(ok, result);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public boolean eqOneOf(Object o, Object... l) {
    for (Object x : l) if (eq(o, x))
      return true;
    return false;
  }

  static public boolean refreshTranspiler() {
    return veryQuickJava_refresh();
  }

  static public String hijackPrint_tee(Runnable r) {
    final StringBuilder buf = new StringBuilder();
    Object old = interceptPrintInThisThread(new F1<String, Boolean>() {

      public Boolean get(String s) {
        buf.append(s);
        return true;
      }
    });
    try {
      callF(r);
      return str(buf);
    } finally {
      interceptPrintInThisThread(old);
    }
  }

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

  static public long transpileForServer_localTime;

  static public boolean transpileForServer_forceJavacOnServer = false;

  static public boolean transpileForServer_forceJavacWhenLibs = false;

  static public void transpileForServer(String progID) {
    new TranspileForServer(progID).run();
  }

  static public int boolToInt(boolean b) {
    return b ? 1 : 0;
  }

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

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

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

  static public String[][] htmldecode_escapes() {
    return htmldecode_ESCAPES;
  }

  static final public String[][] htmldecode_ESCAPES = { { "\"", "quot" }, { "&", "amp" }, { "<", "lt" }, { ">", "gt" }, { "\u00A0", "nbsp" }, { "\u00A1", "iexcl" }, { "\u00A2", "cent" }, { "\u00A3", "pound" }, { "\u00A4", "curren" }, { "\u00A5", "yen" }, { "\u00A6", "brvbar" }, { "\u00A7", "sect" }, { "\u00A8", "uml" }, { "\u00A9", "copy" }, { "\u00AA", "ordf" }, { "\u00AB", "laquo" }, { "\u00AC", "not" }, { "\u00AD", "shy" }, { "\u00AE", "reg" }, { "\u00AF", "macr" }, { "\u00B0", "deg" }, { "\u00B1", "plusmn" }, { "\u00B2", "sup2" }, { "\u00B3", "sup3" }, { "\u00B4", "acute" }, { "\u00B5", "micro" }, { "\u00B6", "para" }, { "\u00B7", "middot" }, { "\u00B8", "cedil" }, { "\u00B9", "sup1" }, { "\u00BA", "ordm" }, { "\u00BB", "raquo" }, { "\u00BC", "frac14" }, { "\u00BD", "frac12" }, { "\u00BE", "frac34" }, { "\u00BF", "iquest" }, { "\u00C0", "Agrave" }, { "\u00C1", "Aacute" }, { "\u00C2", "Acirc" }, { "\u00C3", "Atilde" }, { "\u00C4", "Auml" }, { "\u00C5", "Aring" }, { "\u00C6", "AElig" }, { "\u00C7", "Ccedil" }, { "\u00C8", "Egrave" }, { "\u00C9", "Eacute" }, { "\u00CA", "Ecirc" }, { "\u00CB", "Euml" }, { "\u00CC", "Igrave" }, { "\u00CD", "Iacute" }, { "\u00CE", "Icirc" }, { "\u00CF", "Iuml" }, { "\u00D0", "ETH" }, { "\u00D1", "Ntilde" }, { "\u00D2", "Ograve" }, { "\u00D3", "Oacute" }, { "\u00D4", "Ocirc" }, { "\u00D5", "Otilde" }, { "\u00D6", "Ouml" }, { "\u00D7", "times" }, { "\u00D8", "Oslash" }, { "\u00D9", "Ugrave" }, { "\u00DA", "Uacute" }, { "\u00DB", "Ucirc" }, { "\u00DC", "Uuml" }, { "\u00DD", "Yacute" }, { "\u00DE", "THORN" }, { "\u00DF", "szlig" }, { "\u00E0", "agrave" }, { "\u00E1", "aacute" }, { "\u00E2", "acirc" }, { "\u00E3", "atilde" }, { "\u00E4", "auml" }, { "\u00E5", "aring" }, { "\u00E6", "aelig" }, { "\u00E7", "ccedil" }, { "\u00E8", "egrave" }, { "\u00E9", "eacute" }, { "\u00EA", "ecirc" }, { "\u00EB", "euml" }, { "\u00EC", "igrave" }, { "\u00ED", "iacute" }, { "\u00EE", "icirc" }, { "\u00EF", "iuml" }, { "\u00F0", "eth" }, { "\u00F1", "ntilde" }, { "\u00F2", "ograve" }, { "\u00F3", "oacute" }, { "\u00F4", "ocirc" }, { "\u00F5", "otilde" }, { "\u00F6", "ouml" }, { "\u00F7", "divide" }, { "\u00F8", "oslash" }, { "\u00F9", "ugrave" }, { "\u00FA", "uacute" }, { "\u00FB", "ucirc" }, { "\u00FC", "uuml" }, { "\u00FD", "yacute" }, { "\u00FE", "thorn" }, { "\u00FF", "yuml" }, { "\u2013", "ndash" }, { "\u2018", "lsquo" }, { "\u2019", "rsquo" }, { "\u201D", "rdquo" }, { "\u201C", "ldquo" }, { "\u2014", "mdash" }, { "'", "apos" } };

  static public Rectangle maxWindowBounds() {
    return GraphicsEnvironment.getLocalGraphicsEnvironment().getMaximumWindowBounds();
  }

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

  static public <A extends JComponent> A withTypeWriterFont(A c) {
    return setFont(c, typeWriterFont());
  }

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

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

  static public JComponent wrap_2(Object swingable) {
    if (swingable == null)
      return null;
    JComponent c;
    if (swingable instanceof Component)
      c = componentToJComponent((Component) swingable);
    else
      c = componentToJComponent((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;
  }

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

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

      public Rectangle get() {
        try {
          defaultNewFrameBounds_r.translate(60, 20);
          var bounds = preferredScreenBounds();
          if (!bounds.contains(defaultNewFrameBounds_r))
            defaultNewFrameBounds_r.setLocation(centerX(bounds) + random_incl(-30, 30), centerY(bounds) + random_incl(-20, 20));
          return new Rectangle(defaultNewFrameBounds_r);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "defaultNewFrameBounds_r.translate(60, 20);\r\n    var bounds = preferredScreenB...";
      }
    });
  }

  static public 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);";
        }
      });
    }
  }

  static public JScrollPane setScrollPaneBackground(Color c, JScrollPane sp) {
    if (sp != null && c != null) {
      swing(() -> {
        sp.getViewport().setBackground(c);
      });
    }
    return sp;
  }

  static public Color getBackground(final Component c) {
    return c == null ? null : swing(new F0<Color>() {

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

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

  static public 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 "return new JScrollPane(c);";
      }
    });
  }

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

  static public Component addToWindowAndGrow(final Component c, final Component toAdd) {
    {
      swing(() -> {
        int h = getMinimumHeight(toAdd);
        addToWindow(c, toAdd);
        growWindowSouth(c, h);
      });
    }
    return c;
  }

  static public int withMargin_defaultWidth = 6;

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

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

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

  static public 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 = marginPanel();
          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 = marginPanel();\r\n    p.setBorder(BorderFactory.createEmptyBorder(to...";
      }
    });
  }

  static public JPanel jcenteredline(final Component... components) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          return jFullCenter(hstackWithSpacing(components));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "return jFullCenter(hstackWithSpacing(components));";
      }
    });
  }

  static public JPanel jcenteredline(List<? extends Component> components) {
    return jcenteredline(asArray(Component.class, components));
  }

  static public List<JComponent> paramsToButtons(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 l;
  }

  static volatile public PersistableThrowable lastException_lastException;

  static public PersistableThrowable lastException() {
    return lastException_lastException;
  }

  static public void lastException(Throwable e) {
    lastException_lastException = persistableThrowable(e);
  }

  static public <A> A proxy(Class<A> intrface, final Object target) {
    if (target == null)
      return null;
    if (isInstance(intrface, target))
      return (A) target;
    return (A) java.lang.reflect.Proxy.newProxyInstance(intrface.getClassLoader(), new Class[] { intrface }, new proxy_InvocationHandler(target));
  }

  static public <A> A proxy(Object target, Class<A> intrface) {
    return proxy(intrface, target);
  }

  static public Object vm_generalMap_get(Object key) {
    return vm_generalMap().get(key);
  }

  static public int parseIntOpt(String s) {
    return parseIntOpt(s, 0);
  }

  static public int parseIntOpt(String s, int defValue) {
    return isInteger(s) ? parseInt(s) : defValue;
  }

  static public String getFileInfoField(File f, String field) {
    return getOneLineFileInfoField(f, field);
  }

  static public boolean emptyString(String s) {
    return s == null || s.length() == 0;
  }

  static public String urlencode(String x) {
    try {
      return URLEncoder.encode(unnull(x), "UTF-8");
    } catch (UnsupportedEncodingException e) {
      throw new RuntimeException(e);
    }
  }

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

  static public void rotateStringBuffer(StringBuffer buf, int max) {
    try {
      if (buf == null)
        return;
      synchronized (buf) {
        if (buf.length() <= max)
          return;
        try {
          int newLength = max / 2;
          int ofs = buf.length() - newLength;
          String newString = buf.substring(ofs);
          buf.setLength(0);
          buf.append("[...] ").append(newString);
        } catch (Exception e) {
          buf.setLength(0);
        }
        buf.trimToSize();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public void rotateStringBuilder(StringBuilder buf, int max) {
    try {
      if (buf == null)
        return;
      synchronized (buf) {
        if (buf.length() <= max)
          return;
        try {
          int newLength = max / 2;
          int ofs = buf.length() - newLength;
          String newString = buf.substring(ofs);
          buf.setLength(0);
          buf.append("[...] ").append(newString);
        } catch (Exception e) {
          buf.setLength(0);
        }
        buf.trimToSize();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Object dm_getStem(Object moduleOrID) {
    if (isString(moduleOrID) && isIdentifier(((String) moduleOrID)))
      moduleOrID = dm_getService(((String) moduleOrID));
    if (isStringOrIntOrLong(moduleOrID))
      return dm_getStemByID(moduleOrID);
    return or(getOpt(dm_getModule(moduleOrID), "_host"), moduleOrID);
  }

  static public long getFileSize(String path) {
    return path == null ? 0 : new File(path).length();
  }

  static public long getFileSize(File f) {
    return f == null ? 0 : f.length();
  }

  static public File standardLogFile() {
    return getProgramFile("log");
  }

  static public void logQuoted(String logFile, String line) {
    logQuoted(getProgramFile(logFile), line);
  }

  static public void logQuoted(File logFile, String line) {
    appendToFile(logFile, quote(line) + "\n");
  }

  static public Lock downloadLock_lock = fairLock();

  static public Lock downloadLock() {
    return downloadLock_lock;
  }

  static public String getSnippetTitleOpt(String s) {
    try {
      return isSnippetID(s) ? getSnippetTitle(s) : s;
    } catch (Throwable __e) {
      printStackTrace(__e);
    }
    return s;
  }

  static public void assertFalse(Object o) {
    if (!(eq(o, false)))
      throw fail(str(o));
  }

  static public boolean assertFalse(boolean b) {
    if (b)
      throw fail("oops");
    return b;
  }

  static public boolean assertFalse(String msg, boolean b) {
    if (b)
      throw fail(msg);
    return b;
  }

  static public Map<String, String> stdFunctions_uncached() {
    return stdFunctions_uncached(new HashMap());
  }

  static public Map<String, String> stdFunctions_uncached(Map<String, String> map) {
    parseStdFunctionsList(loadSnippetSilently("#1006654"), map);
    parseStdFunctionsList(loadSnippetSilently("#761"), map);
    return map;
  }

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

  static public <A, B> Map<A, B> putAll(Map<A, B> a, Map<? extends A, ? extends B> b) {
    if (a != null && b != null)
      a.putAll(b);
    return a;
  }

  static public <A, B> MultiMap<A, B> putAll(MultiMap<A, B> a, Map<? extends A, ? extends B> b) {
    if (a != null)
      a.putAll((Map) b);
    return a;
  }

  static public <A, B> Map<A, B> putAll(Map<A, B> a, Object... b) {
    if (a != null)
      litmap_impl(a, b);
    return a;
  }

  static public 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;
  }

  static public 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));
  }

  static public TreeMap<String, Class> hotwireCached_cache = new TreeMap();

  static public Lock hotwireCached_lock = lock();

  static public Class hotwireCached(String programID) {
    return hotwireCached(programID, true);
  }

  static public Class hotwireCached(String programID, boolean runMain) {
    return hotwireCached(programID, runMain, false);
  }

  static public Class hotwireCached(String programID, boolean runMain, boolean dependent) {
    Lock __0 = hotwireCached_lock;
    lock(__0);
    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(__0);
    }
  }

  static public JTextField standardTextFieldPopupMenu(final JTextField tf) {
    final WeakReference<JTextField> ref = weakRef(tf);
    componentPopupMenuItem(tf, "Copy text to clipboard", new Runnable() {

      public void run() {
        try {
          copyTextToClipboard(ref.get().getText());
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "copyTextToClipboard(ref.get().getText())";
      }
    });
    componentPopupMenuItem(tf, "Paste", new Runnable() {

      public void run() {
        try {
          ref.get().paste();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ref.get().paste()";
      }
    });
    return tf;
  }

  static public <A extends JTextComponent> A jenableUndoRedo(final A textcomp) {
    {
      swing(() -> {
        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");
      });
    }
    return textcomp;
  }

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

  static public <A> JComboBox<A> selectItem(A item, JComboBox<A> cb) {
    if (cb != null) {
      swing(() -> {
        cb.setSelectedItem(item);
      });
    }
    return cb;
  }

  static public <A> JComboBox<A> selectItem(JComboBox<A> cb, A item) {
    return selectItem(item, cb);
  }

  static public <A> JList<A> selectItem(JList<A> list, A item) {
    {
      swing(() -> {
        selectRow(list, jlist_indexOf(list, item));
      });
    }
    return list;
  }

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

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

  static public 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;
  }

  static public JButton findButton(Component c) {
    return childOfType(c, JButton.class);
  }

  static public 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;
  }

  static public 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;
  }

  static public JFrame minFrameWidth(JFrame frame, int w) {
    if (frame != null && frame.getWidth() < w)
      frame.setSize(w, frame.getHeight());
    return frame;
  }

  static public JFrame minFrameWidth(int w, JFrame frame) {
    return minFrameWidth(frame, w);
  }

  static public JFrame showPackedFrame(String title, Component contents) {
    return packFrame(showFrame(title, contents));
  }

  static public JFrame showPackedFrame(Component contents) {
    return packFrame(showFrame(contents));
  }

  static public int showForm_leftWidth_safetyMargin = 10;

  static public int showForm_leftWidth(List<List<JComponent>> l) {
    forEachLevel2(l, x -> vmBus_send("updateLayoutNow", x));
    int minW = 0;
    for (List<JComponent> row : l) minW = max(minW, getMinimumSize(first(row)).width);
    return minW + or((Integer) vmBus_query("formSafetyMargin"), showForm_leftWidth_safetyMargin);
  }

  static public 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...";
      }
    });
  }

  static public int withRightMargin_defaultWidth = 6;

  static public JPanel withRightMargin(Component c) {
    return withRightMargin(withRightMargin_defaultWidth, c);
  }

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

      public JPanel get() {
        try {
          JPanel p = marginPanel();
          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 = marginPanel();\r\n    p.setBorder(BorderFactory.createEmptyBorder(0,...";
      }
    });
  }

  static public <A extends Component> A jMinWidthAtLeast(int w, final A c) {
    if (c == null)
      return null;
    return swing(new F0<A>() {

      public A get() {
        try {
          Dimension size = c.getMinimumSize();
          Dimension d = new Dimension(max(w, size.width), size.height);
          c.setMinimumSize(d);
          return jPreferWidth(d.width, c);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "Dimension size = c.getMinimumSize();\r\n    Dimension d = new Dimension(max(w, ...";
      }
    });
  }

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

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

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

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

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

  static public <A> A second(Producer<A> p) {
    if (p == null)
      return null;
    if (p.next() == null)
      return null;
    return p.next();
  }

  static public char second(String s) {
    return charAt(s, 1);
  }

  static public <A, B> B second(Either<A, B> e) {
    return e == null ? null : e.bOpt();
  }

  static public void setComponentID(Component c, String id) {
    if (c != null)
      componentID_map.put(c, id);
  }

  static public List mapLL(Object f, Object... data) {
    return map(f, ll(data));
  }

  static public <A, B> List<B> mapLL(IF1<A, B> f, A... data) {
    return map(f, ll(data));
  }

  static public JComponent wrapForSmartAdd_jComponent(Object o) {
    return componentToJComponent(wrapForSmartAdd(o));
  }

  static public Map<String, String> humanizeFormLabel_replacements = litmap("id", "ID", "md5", "MD5");

  static public String humanizeFormLabel(String s) {
    if (containsSpace(s))
      return s;
    return firstToUpper(joinWithSpace(replaceElementsUsingMap(splitCamelCase(s), humanizeFormLabel_replacements)).replace("I D", "ID"));
  }

  static public boolean isRunnable(Object o) {
    return o instanceof Runnable || hasMethod(o, "get");
  }

  static public void disposeInternalFrame(Component c) {
    final JInternalFrame f = getInternalFrame(c);
    if (f != null) {
      swing(() -> {
        vmBus_send("disposingInternalFrame", f);
        f.dispose();
      });
    }
  }

  static public void disposeFrame(final Component c) {
    disposeWindow(c);
  }

  static public void onEnterInAllTextFields(JComponent c, Runnable action) {
    if (action == null)
      return;
    for (Component tf : allChildren(c)) onEnterIfTextField(tf, action);
  }

  static public void onEnterInAllTextFields(List c, Runnable action) {
    for (Object o : unnull(c)) if (o instanceof JComponent)
      onEnterInAllTextFields(((JComponent) o), action);
  }

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

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

  static public void clickButton(final JButton b) {
    if (b != null) {
      swing(() -> {
        if (b.isEnabled())
          b.doClick();
      });
    }
  }

  static public <A extends JComponent> A makeBold(final A c) {
    if (c != null) {
      swing(() -> {
        c.setFont(c.getFont().deriveFont(java.awt.Font.BOLD));
      });
    }
    return c;
  }

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

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

  static public Object[] toObjectArray(Collection c) {
    return toObjectArray((Iterable) c);
  }

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

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

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

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

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

  static public void disposeWindow(final Window window) {
    if (window != null) {
      swing(() -> {
        window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING));
        myFrames_list.remove(window);
        window.dispose();
      });
    }
  }

  static public void disposeWindow(final Component c) {
    disposeWindow(getWindow(c));
  }

  static public void disposeWindow(Object o) {
    if (o != null)
      disposeWindow(((Component) o));
  }

  static public void disposeWindow() {
    disposeWindow(heldInstance(Component.class));
  }

  static public JWindow showInTopRightCorner(Component c) {
    return swing(() -> {
      JWindow w = new JWindow();
      w.add(c);
      w.pack();
      moveToTopRightCorner(w);
      w.setVisible(true);
      return w;
    });
  }

  static public <A extends JComponent> A onClick(final A c, final Object runnable) {
    if (c != null) {
      swing(() -> {
        c.addMouseListener(new MouseAdapter() {

          public void mouseClicked(MouseEvent e) {
            callF(runnable, e);
          }
        });
      });
    }
    return c;
  }

  static public void onClick(JButton btn, final Object runnable) {
    onEnter(btn, runnable);
  }

  static public int jfind(String s, String in) {
    return jfind(javaTok(s), in);
  }

  static public int jfind(List<String> tok, String in) {
    return jfind(tok, 1, in);
  }

  static public int jfind(List<String> tok, int startIdx, String in) {
    return jfind(tok, startIdx, in, (ITokCondition) null);
  }

  static public int jfind(List<String> tok, String in, Object condition) {
    return jfind(tok, 1, in, condition);
  }

  static public int jfind(List<String> tok, String in, IIntPred condition) {
    return jfind(tok, 1, in, condition);
  }

  static public int jfind(List<String> tok, int startIndex, String in, IIntPred condition) {
    return jfind(tok, startIndex, in, tokCondition(condition));
  }

  static public int jfind(List<String> tok, String in, ITokCondition condition) {
    return jfind(tok, 1, in, condition);
  }

  static public int jfind(List<String> tok, int startIndex, String in, ITokCondition condition) {
    return jfind(tok, startIndex, in, (Object) condition);
  }

  static public int jfind(List<String> tok, int startIdx, String in, Object condition) {
    return jfind(tok, startIdx, javaTokForJFind_array(in), condition);
  }

  static public int jfind(List<String> tok, List<String> tokin) {
    return jfind(tok, 1, tokin);
  }

  static public int jfind(List<String> tok, int startIdx, List<String> tokin) {
    return jfind(tok, startIdx, tokin, null);
  }

  static public int jfind(List<String> tok, int startIdx, String[] tokinC, Object condition) {
    return findCodeTokens(tok, startIdx, false, tokinC, condition);
  }

  static public int jfind(List<String> tok, int startIdx, List<String> tokin, Object condition) {
    return jfind(tok, startIdx, codeTokensAsStringArray(tokin), condition);
  }

  static public 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;
  }

  static public String joinSubList(List<String> l, int i, int j) {
    return join(subList(l, i, j));
  }

  static public String joinSubList(List<String> l, int i) {
    return join(subList(l, i));
  }

  static public 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;
  }

  static public boolean eqic(String a, String b) {
    if ((a == null) != (b == null))
      return false;
    if (a == null)
      return true;
    return a.equalsIgnoreCase(b);
  }

  static public boolean eqic(Symbol a, Symbol b) {
    return eq(a, b);
  }

  static public boolean eqic(Symbol a, String b) {
    return eqic(asString(a), b);
  }

  static public boolean eqic(char a, char b) {
    if (a == b)
      return true;
    char u1 = Character.toUpperCase(a);
    char u2 = Character.toUpperCase(b);
    if (u1 == u2)
      return true;
    return Character.toLowerCase(u1) == Character.toLowerCase(u2);
  }

  static public RuntimeException todo() {
    throw new RuntimeException("TODO");
  }

  static public RuntimeException todo(Object msg) {
    throw new RuntimeException("TODO: " + msg);
  }

  static public List dm_listModules() {
    return (List) dm_callOS("listModules");
  }

  static public <A> A dm_getOSOpt(String field) {
    return (A) getOpt(dm_os(), field);
  }

  static public boolean hasFieldNamed(Object o, String field) {
    return hasField(o, field);
  }

  static public WeakReference<Object> creator_class;

  static public Object creator() {
    return creator_class == null ? null : creator_class.get();
  }

  static public void dm_reloadModuleInBackground(Object module) {
    dm_callOS("reloadModuleInBackground", dm_getStem(module));
  }

  static public void dm_reloadModuleInBackground() {
    dm_reloadModuleInBackground(dm_current_mandatory_generic());
  }

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

      public Boolean get() {
        try {
          Frame f = getAWTFrame(c);
          if (f == null)
            return false;
          if (!f.isVisible())
            f.setVisible(true);
          boolean windowsHack = optPar("windowsHack", __, true);
          boolean iconified = f.getState() == Frame.ICONIFIED;
          boolean maximize = boolPar("maximize", __);
          if (iconified)
            f.setState(maximize ? Frame.MAXIMIZED_BOTH : Frame.NORMAL);
          if (windowsHack && !iconified && 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())...";
      }
    });
  }

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

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

  static public String fsIOpt(String s) {
    return formatSnippetIDOpt(s);
  }

  static public String loadCachedTranspilation(String id) {
    try {
      return loadTextFilePossiblyGZipped(getCachedTranspilationFile(id));
    } catch (Throwable __e) {
      return null;
    }
  }

  static public boolean machineIsOffline() {
    return isFalse(callF(vmGeneralMap_get("areWeOnline")));
  }

  static public boolean isOfflineMode() {
    return eq("1", trim(loadProgramTextFile("#1005806", "offline-mode")));
  }

  static public boolean isLocalSnippet(String snippetID) {
    return isLocalSnippetID(snippetID);
  }

  static public boolean isLocalSnippet(long snippetID) {
    return isLocalSnippetID(snippetID);
  }

  static public String md5(String text) {
    try {
      if (text == null)
        return "-";
      return bytesToHex(md5_impl(toUtf8(text)));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public String md5(byte[] data) {
    if (data == null)
      return "-";
    return bytesToHex(md5_impl(data));
  }

  static public byte[] md5_impl(byte[] data) {
    try {
      return MessageDigest.getInstance("MD5").digest(data);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public String md5(File file) {
    return md5OfFile(file);
  }

  static public String getServerTranspiled(String snippetID) {
    return getServerTranspiled(snippetID, null);
  }

  static public boolean getServerTranspiled_printStackTrace = false;

  static public String getServerTranspiled(String snippetID, String expectedMD5) {
    try {
      if (getServerTranspiled_printStackTrace)
        printStackTrace();
      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);
    }
  }

  static public void printExceptionShort(Throwable e) {
    printExceptionShort("", e);
  }

  static public void printExceptionShort(String prefix, Throwable e) {
    print(prefix, exceptionToStringShort(e));
  }

  static public <A, B> B mapPut_returnValue(Map<A, B> map, A key, B value) {
    mapPut(map, key, value);
    return value;
  }

  static public URI uri(String uri) {
    try {
      return new URI(uri);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public void _onJavaXSet() {
  }

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

  static public 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 "return keysList(myFrames_list);";
      }
    });
  }

  static public Map<Component, String> componentID_map = weakHashMap();

  static public String componentID(Component c) {
    return c == null ? null : componentID_map.get(c);
  }

  static public <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);
      }
    };
  }

  static public String replacePrefix(String prefix, String replacement, String s) {
    if (!startsWith(s, prefix))
      return s;
    return replacement + substring(s, l(prefix));
  }

  static public Object get2(Object o, String field1, String field2) {
    return get(get(o, field1), field2);
  }

  static public boolean startsWithAny(String a, Collection<String> b) {
    for (String prefix : unnullForIteration(b)) if (startsWith(a, prefix))
      return true;
    return false;
  }

  static public boolean startsWithAny(String a, String... b) {
    if (b != null)
      for (String prefix : unnullForIteration(b)) if (startsWith(a, prefix))
        return true;
    return false;
  }

  static public boolean startsWithAny(String a, Collection<String> b, Matches m) {
    for (String prefix : unnullForIteration(b)) if (startsWith(a, prefix, m))
      return true;
    return false;
  }

  static public String mcDollar() {
    return mcName() + "$";
  }

  static public String afterDollar(String s) {
    return substring(s, smartIndexOf(s, '$') + 1);
  }

  static volatile public String caseID_caseID;

  static public String caseID() {
    return caseID_caseID;
  }

  static public void caseID(String id) {
    caseID_caseID = id;
  }

  static public String quoteUnlessIdentifierOrInteger(String s) {
    return quoteIfNotIdentifierOrInteger(s);
  }

  static public Runnable asRunnable(Object o) {
    return toRunnable(o);
  }

  static public void _inheritThreadInfo(Object info) {
    _threadInheritInfo(info);
  }

  static public File loadImageAsFile(String snippetIDOrURL) {
    try {
      if (isURL(snippetIDOrURL))
        throw fail("not implemented");
      if (!isSnippetID(snippetIDOrURL))
        throw fail("Not a URL or snippet ID: " + snippetIDOrURL);
      String snippetID = "" + parseSnippetID(snippetIDOrURL);
      File file = imageSnippetCacheFile(snippetID);
      if (fileSize(file) > 0)
        return file;
      String imageURL = snippetImageURL_noHttps(snippetID);
      System.err.println("Loading image: " + imageURL);
      byte[] data = loadBinaryPage(imageURL);
      saveBinaryFile(file, data);
      return file;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public 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 File DiskSnippetCache_getLibrary(String snippetID) {
    try {
      return DiskSnippetCache_getLibrary(psI(snippetID));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

  static public 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(tb_mainServer() + "/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;
  }

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

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

  static public File loadDataSnippetToFile(String snippetID) {
    try {
      IResourceLoader rl = vm_getResourceLoader();
      if (rl != null)
        return rl.loadLibrary(snippetID);
      return loadDataSnippetToFile_noResourceLoader(snippetID);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public File loadDataSnippetToFile_noResourceLoader(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(tb_mainServer() + "/blobs/" + psI(snippetID)));
          print(e);
          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) {
        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);
    }
  }

  static public JTextField onEnter(JTextField tf, JButton btn) {
    if (btn != null)
      onEnter(tf, new Runnable() {

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

        public String toString() {
          return "clickButton(btn)";
        }
      });
    return tf;
  }

  static public JTextField onEnter(JTextField tf, 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;
  }

  static public JButton onEnter(JButton btn, final Object action) {
    if (action == null || btn == null)
      return btn;
    btn.addActionListener(actionListener(action));
    return btn;
  }

  static public JList onEnter(JList list, Object action) {
    list.addKeyListener(enterKeyListener(rCallOnSelectedListItem(list, action)));
    return list;
  }

  static public JComboBox onEnter(final JComboBox cb, Runnable action) {
    {
      swing(() -> {
        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);";
            }
          }));
        }
      });
    }
    return cb;
  }

  static public 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;
  }

  static public JTextField onEnter(Runnable action, JTextField tf) {
    return onEnter(tf, action);
  }

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

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

  static public Object callFunction(Object f, Object... args) {
    return callF(f, args);
  }

  static public String javaTok_substringC(String s, int i, int j) {
    return s.substring(i, j);
  }

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

  static public int gzInputStream_defaultBufferSize = 65536;

  static public GZIPInputStream gzInputStream(File f) {
    try {
      return gzInputStream(new FileInputStream(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public GZIPInputStream gzInputStream(File f, int bufferSize) {
    try {
      return gzInputStream(new FileInputStream(f), bufferSize);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public GZIPInputStream gzInputStream(InputStream in) {
    return gzInputStream(in, gzInputStream_defaultBufferSize);
  }

  static public GZIPInputStream gzInputStream(InputStream in, int bufferSize) {
    try {
      return _registerIOWrap(new GZIPInputStream(in, gzInputStream_defaultBufferSize), in);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Producer<String> javaTokC_noMLS_iterator(final String s) {
    return javaTokC_noMLS_iterator(s, 0);
  }

  static public Producer<String> javaTokC_noMLS_iterator(final String s, final int startIndex) {
    return new Producer<String>() {

      final public 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)));
        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;
      }
    };
  }

  static public String actualMCDollar() {
    return actualMC().getName() + "$";
  }

  static public BigInteger parseBigInt(String s) {
    return new BigInteger(s);
  }

  static public double parseDouble(String s) {
    return empty(s) ? 0.0 : Double.parseDouble(s);
  }

  static public float parseFloat(String s) {
    return Float.parseFloat(s);
  }

  static public 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;
  }

  static public 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;
  }

  static public 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;
  }

  static public String internIfLongerThan(String s, int l) {
    return s == null ? null : l(s) >= l ? intern(s) : s;
  }

  static public 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;
  }

  static public char unquoteCharacter(String s) {
    assertTrue(s.startsWith("'") && s.length() > 1);
    return unquote("\"" + s.substring(1, s.endsWith("'") ? s.length() - 1 : s.length()) + "\"").charAt(0);
  }

  static public boolean isLongConstant(String s) {
    if (!s.endsWith("L"))
      return false;
    s = s.substring(0, l(s) - 1);
    return isInteger(s);
  }

  static public long parseLong(String s) {
    if (empty(s))
      return 0;
    return Long.parseLong(dropSuffix("L", s));
  }

  static public long parseLong(Object s) {
    return Long.parseLong((String) s);
  }

  static public <A> TreeMap<String, A> ciMap() {
    return caseInsensitiveMap();
  }

  static public List parseList(String s) {
    return (List) safeUnstructure(s);
  }

  static public <A> List<A> synchroLinkedList() {
    return synchroList(new LinkedList<A>());
  }

  static public <A, B> NavigableMap<A, B> synchroNavigableMap(NavigableMap<A, B> map) {
    return Collections.synchronizedNavigableMap(map);
  }

  static public <A, B> SortedMap<A, B> synchroSortedMap(SortedMap<A, B> map) {
    return Collections.synchronizedSortedMap(map);
  }

  static public Map synchroMap() {
    return synchroHashMap();
  }

  static public <A, B> Map<A, B> synchroMap(Map<A, B> map) {
    return Collections.synchronizedMap(map);
  }

  static public 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;
  }

  static public 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;
  }

  static public String assertIdentifier(String s) {
    return assertIsIdentifier(s);
  }

  static public String assertIdentifier(String msg, String s) {
    return assertIsIdentifier(msg, s);
  }

  static public boolean isAbstract(Class c) {
    return (c.getModifiers() & Modifier.ABSTRACT) != 0;
  }

  static public boolean isAbstract(Method m) {
    return (m.getModifiers() & Modifier.ABSTRACT) != 0;
  }

  static public void printVars_str(Object... params) {
    print(renderVars_str(params));
  }

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

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

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

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

  static public <A> Constructor nuStubInnerObject_findConstructor(Class<A> c) {
    return nuStubInnerObject_findConstructor(c, null);
  }

  static public <A> Constructor nuStubInnerObject_findConstructor(Class<A> c, Object classFinder) {
    try {
      Class outerType = getOuterClass(c, classFinder);
      Constructor m = c.getDeclaredConstructor(outerType);
      makeAccessible(m);
      return m;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

  static public <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));
          makeAccessible(ctr);
        }
      }
      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);
    }
  }

  static public 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());
  }

  static public void setOptAllDyn_pcall(DynamicObject o, Map<String, Object> fields) {
    if (fields == null || o == null)
      return;
    HashMap<String, Field> fieldMap = instanceFieldsMap(o);
    for (Map.Entry<String, Object> e : fields.entrySet()) {
      try {
        String field = e.getKey();
        Object val = e.getValue();
        Field f = fieldMap.get(field);
        if (f != null)
          smartSet(f, o, val);
        else {
          dynamicObject_setRawFieldValue(o, intern(field), val);
        }
      } catch (Throwable __e) {
        printStackTrace(__e);
      }
    }
  }

  static public 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));
    }
  }

  static public 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));
      }
    }
  }

  static public void fixOuterRefs(Object o) {
    try {
      if (o == null)
        return;
      Field[] l = thisDollarOneFields(o.getClass());
      if (l.length <= 1)
        return;
      Object father = null;
      for (Field f : l) {
        father = f.get(o);
        if (father != null)
          break;
      }
      if (father == null)
        return;
      for (Field f : l) f.set(o, father);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public void setDynObjectValue(DynamicObject o, String field, Object value) {
    dynamicObject_setRawFieldValue(o, field, value);
  }

  static public String intern(String s) {
    return fastIntern(s);
  }

  static public void pcallOpt_noArgs(Object o, String method) {
    try {
      callOpt_noArgs(o, method);
    } catch (Throwable __e) {
      printStackTrace(__e);
    }
  }

  static public <A> List<A> subList(List<A> l, int startIndex) {
    return subList(l, startIndex, l(l));
  }

  static public <A> List<A> subList(int startIndex, List<A> l) {
    return subList(l, startIndex);
  }

  static public <A> List<A> subList(int startIndex, int endIndex, List<A> l) {
    return subList(l, startIndex, endIndex);
  }

  static public <A> List<A> subList(List<A> l, int startIndex, int endIndex) {
    if (l == null)
      return null;
    int n = l(l);
    startIndex = Math.max(0, startIndex);
    endIndex = Math.min(n, endIndex);
    if (startIndex > endIndex)
      return ll();
    if (startIndex == 0 && endIndex == n)
      return l;
    return l.subList(startIndex, endIndex);
  }

  static public Object newMultiDimensionalOuterArray(Class elementType, int dimensions, int length) {
    int[] dims = new int[dimensions];
    dims[0] = length;
    return Array.newInstance(elementType, dims);
  }

  static public int[] toIntArray(Collection<Integer> l) {
    int[] a = new int[l(l)];
    int i = 0;
    if (a.length != 0)
      for (int x : l) a[i++] = x;
    return a;
  }

  static public double[] toDoubleArray(Collection<Double> l) {
    double[] a = new double[l(l)];
    int i = 0;
    if (a.length != 0)
      for (double x : l) a[i++] = x;
    return a;
  }

  static public TreeSet<String> ciSet() {
    return caseInsensitiveSet();
  }

  static public boolean jmatch(String pat, String s) {
    return jmatch(pat, s, null);
  }

  static public boolean jmatch(String pat, String s, Matches matches) {
    if (s == null)
      return false;
    return jmatch(pat, javaTok(s), matches);
  }

  static public boolean jmatch(String pat, List<String> toks) {
    return jmatch(pat, toks, null);
  }

  static public 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;
    }
  }

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

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

  static public 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!" : ""));
  }

  static public 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;
  }

  static public <A> A popLast(List<A> l) {
    return liftLast(l);
  }

  static public <A> List<A> popLast(int n, List<A> l) {
    return liftLast(n, l);
  }

  static public AutoCloseable tempActivity(Object r) {
    return null;
  }

  static public boolean allPaused() {
    return ping_pauseAll;
  }

  static public void cancelTimer(javax.swing.Timer timer) {
    if (timer != null)
      timer.stop();
  }

  static public void cancelTimer(java.util.Timer timer) {
    if (timer != null)
      timer.cancel();
  }

  static public void cancelTimer(Object o) {
    if (o instanceof java.util.Timer)
      cancelTimer((java.util.Timer) o);
    else if (o instanceof javax.swing.Timer)
      cancelTimer((javax.swing.Timer) o);
    else if (o instanceof AutoCloseable) {
      try {
        ((AutoCloseable) o).close();
      } catch (Throwable __e) {
        printStackTrace(__e);
      }
    }
  }

  static public void bindTimerToComponent(final Timer timer, JFrame f) {
    bindTimerToComponent(timer, f.getRootPane());
  }

  static public void bindTimerToComponent(final Timer timer, JComponent c) {
    if (c.isShowing())
      timer.start();
    c.addAncestorListener(new AncestorListener() {

      public void ancestorAdded(AncestorEvent event) {
        timer.start();
      }

      public void ancestorRemoved(AncestorEvent event) {
        timer.stop();
      }

      public void ancestorMoved(AncestorEvent event) {
      }
    });
  }

  static public <A, B> Pair<A, B> mapEntryToPair(Map.Entry<A, B> e) {
    return e == null ? null : pair(e.getKey(), e.getValue());
  }

  static public <A, B> Set<Map.Entry<A, B>> entrySet(Map<A, B> map) {
    return _entrySet(map);
  }

  static public <A> A firstThat(Iterable<A> l, IF1<A, Boolean> pred) {
    for (A a : unnullForIteration(l)) if (pred.get(a))
      return a;
    return null;
  }

  static public <A> A firstThat(A[] l, IF1<A, Boolean> pred) {
    for (A a : unnullForIteration(l)) if (pred.get(a))
      return a;
    return null;
  }

  static public <A> A firstThat(IF1<A, Boolean> pred, Iterable<A> l) {
    return firstThat(l, pred);
  }

  static public <A> A firstThat(IF1<A, Boolean> pred, A[] l) {
    return firstThat(l, pred);
  }

  static public boolean startsWithOneOf(String s, String... l) {
    for (String x : l) if (startsWith(s, x))
      return true;
    return false;
  }

  static public boolean startsWithOneOf(String s, Matches m, String... l) {
    for (String x : l) if (startsWith(s, x, m))
      return true;
    return false;
  }

  static public boolean isAGIBlueDomain(String domain) {
    return domainIsUnder(domain, theAGIBlueDomain());
  }

  static public String hostNameFromURL(String url) {
    try {
      return empty(url) ? null : new URL(url).getHost();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

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

  static public boolean hasMethod(Object o, String method, Object... args) {
    return findMethod_cached(o, method, args) != null;
  }

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

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

  static public JMenuItem disableMenuItem(final JMenuItem mi) {
    if (mi != null) {
      swing(() -> {
        mi.setEnabled(false);
      });
    }
    return mi;
  }

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

  static public 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 __1 = holdInstance(instanceToHold);
                try {
                  callF(runnable);
                } finally {
                  _close(__1);
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "AutoCloseable __1 = holdInstance(instanceToHold); try {\r\n      callF(runnable...";
            }
          });
        } catch (Throwable __e) {
          messageBox(__e);
        }
      }
    };
  }

  static public String tok_unCurlyBracket(String s) {
    return isCurlyBraced(s) ? join(dropFirstThreeAndLastThree(javaTok(s))) : s;
  }

  static public boolean isCurlyBraced(String s) {
    List<String> tok = tok_combineCurlyBrackets_keep(javaTok(s));
    return l(tok) == 3 && startsWithAndEndsWith(tok.get(1), "{", "}");
  }

  static public boolean isTrueOrYes(Object o) {
    return isTrueOpt(o) || o instanceof String && (eqicOneOf(((String) o), "1", "t", "true") || isYes(((String) o)));
  }

  static public <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;
  }

  static public Lock saveLock_lock = fairLock();

  static public Lock saveLock() {
    return saveLock_lock;
  }

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

  static public 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);
  }

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

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

  static public int lastIndexOf(String a, String b) {
    return a == null || b == null ? -1 : a.lastIndexOf(b);
  }

  static public int lastIndexOf(String a, char b) {
    return a == null ? -1 : a.lastIndexOf(b);
  }

  static public <A> int lastIndexOf(List<A> l, int i, A a) {
    if (l == null)
      return -1;
    for (i = min(l(l), i) - 1; i >= 0; i--) if (eq(l.get(i), a))
      return i;
    return -1;
  }

  static public <A> int lastIndexOf(List<A> l, A a) {
    if (l == null)
      return -1;
    for (int i = l(l) - 1; i >= 0; i--) if (eq(l.get(i), a))
      return i;
    return -1;
  }

  static public Object vmBus_query(String msg, Object... args) {
    Object arg = vmBus_wrapArgs(args);
    {
      var __1 = pcallFAll_returnFirstNotNull(vm_busListeners_live(), msg, arg);
      if (__1 != null)
        return __1;
    }
    return pcallFAll_returnFirstNotNull(vm_busListenersByMessage_live().get(msg), msg, arg);
  }

  static public Object vmBus_query(String msg) {
    return vmBus_query(msg, (Object) null);
  }

  static public ClassLoader classLoaderForObject(Object o) {
    if (o instanceof ClassLoader)
      return ((ClassLoader) o);
    if (o == null)
      return null;
    return _getClass(o).getClassLoader();
  }

  static public String classNameToVM(String name) {
    return name.replace(".", "$");
  }

  static public <A extends JComponent> A toolTip(A c, final Object toolTip) {
    return setToolTipText(c, toolTip);
  }

  static public <A extends JComponent> A toolTip(Object toolTip, A c) {
    return setToolTipText(toolTip, c);
  }

  static public JComponent getInternalFrameTitlePaneComponent(JInternalFrame f) {
    return (JComponent) childWithClassNameEndingWith(f, "InternalFrameTitlePane");
  }

  static public String getFrameTitle(Component c) {
    JFrame f = getFrame(c);
    return f == null ? null : f.getTitle();
  }

  static public String actualUserHome_value;

  static public String actualUserHome() {
    if (actualUserHome_value == null) {
      if (isAndroid())
        actualUserHome_value = "/storage/emulated/0/";
      else
        actualUserHome_value = System.getProperty("user.home");
    }
    return actualUserHome_value;
  }

  static public File actualUserHome(String sub) {
    return newFile(new File(actualUserHome()), sub);
  }

  static public boolean startsWithIgnoreCase(String a, String b) {
    return regionMatchesIC(a, 0, b, 0, b.length());
  }

  static public boolean endsWithIgnoreCase(String a, String b) {
    int la = l(a), lb = l(b);
    return la >= lb && regionMatchesIC(a, la - lb, b, 0, lb);
  }

  static public boolean endsWithIgnoreCase(String a, String b, Matches m) {
    if (!endsWithIgnoreCase(a, b))
      return false;
    if (m != null)
      m.m = new String[] { substring(a, 0, l(a) - l(b)) };
    return true;
  }

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

  static public String htmlencode2(String s) {
    return htmlencode_noQuotes(s);
  }

  static public boolean isEmpty(Collection c) {
    return c == null || c.isEmpty();
  }

  static public boolean isEmpty(CharSequence s) {
    return s == null || s.length() == 0;
  }

  static public boolean isEmpty(Object[] a) {
    return a == null || a.length == 0;
  }

  static public boolean isEmpty(byte[] a) {
    return a == null || a.length == 0;
  }

  static public boolean isEmpty(Map map) {
    return map == null || map.isEmpty();
  }

  static public boolean loadBufferedImageFixingGIFs_debug = false;

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

  static public 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);
    }
  }

  static public boolean regionMatches(String a, int offsetA, String b, int offsetB, int len) {
    return a != null && b != null && a.regionMatches(offsetA, b, offsetB, len);
  }

  static public boolean regionMatches(String a, int offsetA, String b) {
    return regionMatches(a, offsetA, b, 0, l(b));
  }

  static public 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);
  }

  static public 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;
  }

  static public 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 <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 String join(String glue, Object... strings) {
    return join(glue, Arrays.asList(strings));
  }

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

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

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

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

  static public <A> A liftLast(List<A> l) {
    if (empty(l))
      return null;
    int i = l(l) - 1;
    A a = l.get(i);
    l.remove(i);
    return a;
  }

  static public <A> List<A> liftLast(int n, List<A> l) {
    int i = l(l) - n;
    List<A> part = cloneSubList(l, i);
    removeSubList(l, i);
    return part;
  }

  static public boolean isProperlyQuoted(String s) {
    return s.length() >= 2 && s.startsWith("\"") && s.endsWith("\"") && (!s.endsWith("\\\"") || s.endsWith("\\\\\"")) && !containsNewLine(s);
  }

  static public int charIndexToUserLandLineNr(String text, int charIndex) {
    int i = 0, row = 1;
    charIndex = min(charIndex, l(text));
    while (i < charIndex) {
      i = smartIndexOf(text, '\n', i) + 1;
      if (charIndex < i)
        break;
      ++row;
      if (charIndex == i)
        break;
    }
    return row;
  }

  static public <A> Iterator<A> iterator(Iterable<A> c) {
    return c == null ? emptyIterator() : c.iterator();
  }

  static public Map<String, String> singular_specials = litmap("children", "child", "images", "image", "chess", "chess");

  static public Set<String> singular_specials2 = litciset("time", "machine", "line", "rule");

  static public String singular(String s) {
    if (s == null)
      return null;
    {
      String __1 = singular_specials.get(s);
      if (!empty(__1))
        return __1;
    }
    if (singular_specials2.contains(dropSuffix("s", afterLastSpace(s))))
      return dropSuffix("s", s);
    if (s.endsWith("ness"))
      return s;
    if (s.endsWith("ges"))
      return dropSuffix("s", s);
    if (endsWith(s, "bases"))
      return dropLast(s);
    s = dropSuffix("es", s);
    s = dropSuffix("s", s);
    return s;
  }

  static public Set<String> getPlural_specials = litciset("sheep", "fish");

  static public String getPlural(String s) {
    if (contains(getPlural_specials, s))
      return s;
    if (ewic(s, "y"))
      return dropSuffixIgnoreCase("y", s) + "ies";
    if (ewicOneOf(s, "ss", "ch"))
      return s + "es";
    if (ewic(s, "s"))
      return s;
    return s + "s";
  }

  static public <A> WeakReference<A> newWeakReference(A a) {
    return a == null ? null : new WeakReference(a);
  }

  static public File localSnippetsDir() {
    return javaxDataDir("Personal Programs");
  }

  static public File localSnippetsDir(String sub) {
    return newFile(localSnippetsDir(), sub);
  }

  static public boolean fileExists(String path) {
    return path != null && new File(path).exists();
  }

  static public boolean fileExists(File f) {
    return f != null && f.exists();
  }

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

  static public byte[] toUtf8(String s) {
    try {
      return s.getBytes(utf8charset());
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public File getProgramDir() {
    return programDir();
  }

  static public File getProgramDir(String snippetID) {
    return programDir(snippetID);
  }

  static public Map<Object, Object> castMapToMapO(Map map) {
    return map;
  }

  static public String getComputerID_quick() {
    return computerID();
  }

  static public Throwable getExceptionCause(Throwable e) {
    Throwable c = e.getCause();
    return c != null ? c : e;
  }

  static public String joinWithSpace(Iterable c) {
    return join(" ", c);
  }

  static public String joinWithSpace(String... c) {
    return join(" ", c);
  }

  static public boolean methodIsStatic(Method m) {
    return (m.getModifiers() & Modifier.STATIC) != 0;
  }

  static public boolean argumentCompatibleWithType(Object arg, Class type) {
    return arg == null ? !type.isPrimitive() : isInstanceX(type, arg);
  }

  static public void arraycopy(Object[] a, Object[] b) {
    if (a != null && b != null)
      arraycopy(a, 0, b, 0, Math.min(a.length, b.length));
  }

  static public void arraycopy(Object src, int srcPos, int destPos, int n) {
    arraycopy(src, srcPos, src, destPos, n);
  }

  static public void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) {
    if (n != 0)
      System.arraycopy(src, srcPos, dest, destPos, n);
  }

  static public <A> A[] arrayOfType(Class<A> type, int n) {
    return makeArray(type, n);
  }

  static public <A> A[] arrayOfType(int n, Class<A> type) {
    return arrayOfType(type, n);
  }

  static public 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;
  }

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

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

  static public Object pcallF_minimalExceptionHandling(Object f, Object... args) {
    try {
      return callFunction(f, args);
    } catch (Throwable e) {
      System.out.println(getStackTrace(e));
      _storeException(e);
    }
    return null;
  }

  static public JTextArea wrappedTextArea(final JTextArea ta) {
    enableWordWrapForTextArea(ta);
    return ta;
  }

  static public JTextArea wrappedTextArea() {
    return wrappedTextArea(jtextarea());
  }

  static public JTextArea wrappedTextArea(String text) {
    JTextArea ta = wrappedTextArea();
    setText(ta, text);
    return ta;
  }

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

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

  static public Rect preferredScreenBounds() {
    return screenBounds_safe(preferredScreen());
  }

  static public boolean vmBus_anyFalse(String msg, Object... args) {
    return contains(vmBus_queryAll(msg, args), false);
  }

  static public double toDouble(Object o) {
    if (o instanceof Number)
      return ((Number) o).doubleValue();
    if (o instanceof BigInteger)
      return ((BigInteger) o).doubleValue();
    if (o instanceof String)
      return parseDouble((String) o);
    if (o == null)
      return 0.0;
    throw fail(o);
  }

  static public Throwable getInnerException(Throwable e) {
    if (e == null)
      return null;
    while (e.getCause() != null) e = e.getCause();
    return e;
  }

  static public Throwable getInnerException(Runnable r) {
    return getInnerException(getException(r));
  }

  static public String baseClassName(String className) {
    return substring(className, className.lastIndexOf('.') + 1);
  }

  static public String baseClassName(Object o) {
    return baseClassName(getClassName(o));
  }

  static public String prependIfNempty(String prefix, String s) {
    return empty(s) ? unnull(s) : prefix + s;
  }

  static public File dropExtension(File f) {
    return f == null ? null : fileInSameDir(f, dropExtension(f.getName()));
  }

  static public String dropExtension(String s) {
    return takeFirst(s, smartLastIndexOf(s, '.'));
  }

  static public String htmlQuery(Map params) {
    return empty(params) ? "" : "?" + makePostData(params);
  }

  static public String htmlQuery(Object... data) {
    return empty(data) ? "" : "?" + makePostData(data);
  }

  static public boolean saveTextFileIfDifferent(File f, String contents) {
    if (eq(loadTextFile(f), contents))
      return false;
    {
      saveTextFile(f, contents);
      return true;
    }
  }

  static public File javaxCachesDir_dir;

  static public File javaxCachesDir() {
    return javaxCachesDir_dir != null ? javaxCachesDir_dir : new File(userHome(), "JavaX-Caches");
  }

  static public File javaxCachesDir(String sub) {
    return newFile(javaxCachesDir(), sub);
  }

  static public void setOneLineFileInfoField(File f, String field, Object value) {
    File infoFile = associatedInfosFile(f);
    List<String> lines = lines(loadTextFile(infoFile));
    String newLine = value == null ? null : field + ": " + str(value);
    String line = firstStartingWithIC(lines, field + ": ");
    if (eq(line, newLine))
      return;
    saveTextFile(infoFile, lines(replaceAddOrRemove(lines, line, newLine)));
  }

  static public <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);
    }
  }

  static public <A, B> List<B> cloneMap(Iterable<A> l, IF1<A, B> f) {
    List x = emptyList(l);
    if (l != null)
      for (A o : cloneList(l)) x.add(f.get(o));
    return x;
  }

  static public x30_pkg.x30_util.BetterThreadLocal<Runnable> newPing_actionTL;

  static public x30_pkg.x30_util.BetterThreadLocal<Runnable> newPing_actionTL() {
    if (newPing_actionTL == null)
      newPing_actionTL = vm_generalMap_getOrCreate("newPing_actionTL", () -> {
        Runnable value = (Runnable) (callF_gen(vm_generalMap_get("newPing_valueForNewThread")));
        var tl = new x30_pkg.x30_util.BetterThreadLocal<Runnable>();
        tl.set(value);
        return tl;
      });
    return newPing_actionTL;
  }

  static public boolean containsIgnoreCase(Collection<String> l, String s) {
    if (l != null)
      for (String x : l) if (eqic(x, s))
        return true;
    return false;
  }

  static public boolean containsIgnoreCase(String[] l, String s) {
    if (l != null)
      for (String x : l) if (eqic(x, s))
        return true;
    return false;
  }

  static public boolean containsIgnoreCase(String s, char c) {
    return indexOfIgnoreCase(s, String.valueOf(c)) >= 0;
  }

  static public boolean containsIgnoreCase(String a, String b) {
    return indexOfIgnoreCase(a, b) >= 0;
  }

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

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

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

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

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

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

  static public <A> boolean contains(Producer<A> p, A a) {
    if (p != null && a != null)
      while (true) {
        A x = p.next();
        if (x == null)
          break;
        if (eq(x, a))
          return true;
      }
    return false;
  }

  static public boolean contains(Rect r, Pt p) {
    return rectContains(r, p);
  }

  static public String rep(int n, char c) {
    return repeat(c, n);
  }

  static public String rep(char c, int n) {
    return repeat(c, n);
  }

  static public <A> List<A> rep(A a, int n) {
    return repeat(a, n);
  }

  static public <A> List<A> rep(int n, A a) {
    return repeat(n, a);
  }

  static public String decimalFormatEnglish(String format, double d) {
    return decimalFormatEnglish(format).format(d);
  }

  static public java.text.DecimalFormat decimalFormatEnglish(String format) {
    return new java.text.DecimalFormat(format, new java.text.DecimalFormatSymbols(Locale.ENGLISH));
  }

  static public <A, B> Map<A, B> syncMRUCache(int size) {
    return synchroMap(new MRUCache(size));
  }

  static public <A, B extends A> void addAll(Collection<A> c, Iterable<B> b) {
    if (c != null && b != null)
      for (A a : b) c.add(a);
  }

  static public <A, B extends A> boolean addAll(Collection<A> c, Collection<B> b) {
    return c != null && b != null && c.addAll(b);
  }

  static public <A, B extends A> boolean addAll(Collection<A> c, B... b) {
    return c != null && b != null && c.addAll(Arrays.asList(b));
  }

  static public <A, B> Map<A, B> addAll(Map<A, B> a, Map<? extends A, ? extends B> b) {
    if (a != null && b != null)
      a.putAll(b);
    return a;
  }

  static public List<String> regexpAllFirstGroups(String pattern, String text) {
    List<String> l = new ArrayList();
    Matcher matcher = regexp(pattern, text);
    while (matcher.find()) l.add(matcher.group(1));
    return l;
  }

  static public boolean isInstanceOf(Object o, Class type) {
    return type.isInstance(o);
  }

  static public String loadLocalSnippet(String snippetID) {
    return loadLocalSnippet(psI(snippetID));
  }

  static public String loadLocalSnippet(long snippetID) {
    return loadTextFile(localSnippetFile(snippetID));
  }

  static public boolean transpileRaw_silent = true;

  static public boolean transpileRaw_useDiskCache = false;

  static public Class transpileRaw_trans;

  static public boolean transpileRaw_mine = true;

  static public boolean transpileRaw_verySilent = false;

  static public boolean transpileRaw_dontCopyFromCreator = false;

  static public Lock transpileRaw_lock = lock();

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

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

  static public String transpileRaw(String mainJava) {
    return transpileRaw(mainJava, false, transpileRaw_useDiskCache);
  }

  static public String transpileRaw(String mainJava, boolean fragment) {
    return transpileRaw(mainJava, fragment, transpileRaw_useDiskCache);
  }

  static public String transpileRaw(String mainJava, boolean fragment, boolean useDiskCache) {
    mainJava = dropTranslators(mainJava);
    if (!transpileRaw_dontCopyFromCreator)
      transpileRaw_copyFromCreator();
    Lock __0 = transpileRaw_lock;
    lock(__0);
    try {
      File cacheFile = null;
      if (useDiskCache) {
        cacheFile = new File(javaxCodeDir(), "Transpilations/" + uniqueFileNameUsingMD5_80_v2(mainJava) + ".java");
        {
          String __3 = loadTextFile(cacheFile);
          if (!empty(__3))
            return __3;
        }
      }
      AutoCloseable __4 = transpileRaw_verySilent ? null : tempLoadingAnim("Transpiling...");
      try {
        transpileRaw_translator();
        setOpt(transpileRaw_trans, "localStuffOnly", fragment);
        setOpt(transpileRaw_trans, "asInclude", isTrue(transpileRaw_asInclude.get()));
        setOpt(transpileRaw_trans, "mainSnippetID", transpileRaw_progID.get());
        set(transpileRaw_trans, "mainJava", mainJava);
        set(transpileRaw_trans, "print_byThread", print_byThread);
        if (!transpileRaw_verySilent)
          print("Running translator " + getOpt(transpileRaw_trans, "programID"));
        callMain(transpileRaw_trans);
        String main = (String) (get(transpileRaw_trans, "mainJava"));
        if (useDiskCache) {
          saveTextFile(new File(cacheFile.getPath() + "x"), mainJava);
          saveTextFile(cacheFile, main);
        }
        return main;
      } finally {
        _close(__4);
      }
    } finally {
      unlock(__0);
    }
  }

  static public IF0<Class> transpileRaw_translator;

  static public Class transpileRaw_translator() {
    return transpileRaw_translator != null ? transpileRaw_translator.get() : transpileRaw_translator_base();
  }

  final static public Class transpileRaw_translator_fallback(IF0<Class> _f) {
    return _f != null ? _f.get() : transpileRaw_translator_base();
  }

  static public Class transpileRaw_translator_base() {
    if (transpileRaw_trans == null) {
      transpileRaw_trans = transpileRaw_makeTranslator();
      transpileRaw_mine = true;
      makeDependent(transpileRaw_trans);
    }
    setOpt(transpileRaw_trans, "print_silent", transpileRaw_silent);
    return transpileRaw_trans;
  }

  static public IF0<Class> transpileRaw_makeTranslator;

  static public Class transpileRaw_makeTranslator() {
    return transpileRaw_makeTranslator != null ? transpileRaw_makeTranslator.get() : transpileRaw_makeTranslator_base();
  }

  final static public Class transpileRaw_makeTranslator_fallback(IF0<Class> _f) {
    return _f != null ? _f.get() : transpileRaw_makeTranslator_base();
  }

  static public Class transpileRaw_makeTranslator_base() {
    return hotwireSharingLibraries_silently(defaultJavaXTranslatorID());
  }

  static public void transpileRaw_copyFromCreator() {
    Lock __1 = transpileRaw_lock;
    lock(__1);
    try {
      if (transpileRaw_trans != null)
        return;
      Object c = creator();
      if (c == null)
        return;
      Class trans = (Class) (getOpt(c, "transpileRaw_trans"));
      Lock lock = (Lock) (getOpt(c, "transpileRaw_lock"));
      if (trans != null && lock != null) {
        print("Using creator's transpiler: " + getProgramID(c) + " => " + programID());
        transpileRaw_lock = lock;
        transpileRaw_trans = trans;
        transpileRaw_mine = false;
      }
    } finally {
      unlock(__1);
    }
  }

  static public void cleanMeUp_transpileRaw() {
    if (transpileRaw_mine)
      cleanUp(transpileRaw_trans);
    transpileRaw_trans = null;
  }

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

  static public String lines(Object[] lines) {
    return fromLines(asList(lines));
  }

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

  static public <A> String lines(Iterable<A> l, IF1<A, String> f) {
    return mapToLines(l, f);
  }

  static public String loadProgramTextFile(String name) {
    return loadTextFile(getProgramFile(name));
  }

  static public String loadProgramTextFile(String progID, String name) {
    return loadTextFile(getProgramFile(progID, name));
  }

  static public String loadProgramTextFile(String progID, String name, String defaultText) {
    return loadTextFile(getProgramFile(progID, name), defaultText);
  }

  static public long done2_always(long startTime, String desc) {
    long time = sysNow() - startTime;
    saveTiming_noPrint(time);
    print(desc + " [" + time + " ms]");
    return time;
  }

  static public long done2_always(String desc, long startTime) {
    return done2_always(startTime, desc);
  }

  static public long done2_always(long startTime) {
    return done2_always(startTime, "");
  }

  static public String findTranslators2(String src, List<String> libsOut) {
    return join(findTranslators2(javaTok(src), libsOut));
  }

  static public 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;
  }

  static public void saveTranspiledCode(String progID, String code) {
    File dir = getCodeProgramDir(progID);
    new File(dir, "Transpilation").delete();
    saveGZTextFile(new File(dir, "Transpilation.gz"), code);
  }

  static public File javaCompile_overInternalBot(String src) {
    return javaCompile_overInternalBot(src, "");
  }

  static synchronized public File javaCompile_overInternalBot(String src, String dehlibs) {
    return CompilerBot.compile(src, dehlibs);
  }

  static public String loadTextFile_trim(String fileName) {
    return trim(loadTextFile(fileName));
  }

  static public String loadTextFile_trim(File f, String defaultContents) {
    return trim(loadTextFile(f, defaultContents));
  }

  static public String loadTextFile_trim(File fileName) {
    return trim(loadTextFile(fileName));
  }

  static public String loadTextFile_trim(String fileName, String defaultContents) {
    return trim(loadTextFile(fileName, defaultContents));
  }

  static public Object[] paramsPlus(Object[] a1, Object... a2) {
    if (a2 == null)
      return a1;
    if (a1 == null)
      return a2;
    if (l(a1) == 1 && a1[0] instanceof Map)
      return new Object[] { mapPlus((Map) a1[0], a2) };
    assertEvenLength(a1);
    assertEvenLength(a2);
    Map map = paramsToOrderedMap(a1);
    int n = l(a2);
    for (int i = 0; i < n; i += 2) {
      Object key = a2[i];
      if (key != null)
        map.put(key, a2[i + 1]);
    }
    return mapToParams(map);
  }

  static public Object[] paramsPlus(Map a1, Object... a2) {
    return paramsPlus(new Object[] { a1 }, a2);
  }

  static public String appendParamsToURL(String url, Map params) {
    return appendQueryToURL(url, params);
  }

  static public String appendParamsToURL(String url, Object... data) {
    return appendQueryToURL(url, data);
  }

  static public Matcher regexp(String pat, String s) {
    return regexp(compileRegexp(pat), unnull(s));
  }

  static public Matcher regexp(java.util.regex.Pattern pat, String s) {
    return pat.matcher(unnull(s));
  }

  static public java.util.regex.Pattern regexp(String pat) {
    return compileRegexp(pat);
  }

  static synchronized public boolean veryQuickJava_refresh() {
    boolean change = false;
    try {
      for (File f : listFiles(new File(javaxCodeDir(), "Transpilations"))) if (ewic(f.getName(), ".java")) {
        change = true;
        f.delete();
      }
    } catch (Throwable __e) {
      printStackTrace(__e);
    }
    Lock lock = (Lock) (getOpt(mc(), "transpileRaw_lock"));
    if (lock != null) {
      Lock __0 = lock;
      lock(__0);
      try {
        Object trans = getOpt(mc(), "transpileRaw_trans");
        if (trans != null) {
          cleanUp(trans);
          setOpt(mc(), "transpileRaw_trans", null);
          change = true;
        }
      } finally {
        unlock(__0);
      }
    }
    callOpt(getOpt(mc(), "loadFunctions_cache"), "clear");
    return change;
  }

  static public Object interceptPrintInThisThread(Object f) {
    Object old = print_byThread().get();
    print_byThread().set(f);
    return old;
  }

  static public <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);
  }

  static public <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;
  }

  static public <A extends JComponent> A setFont(final Font font, final A a) {
    if (a != null) {
      swing(() -> {
        a.setFont(font);
      });
    }
    return a;
  }

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

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

  static public void standardTitlePopupMenu(final JFrame frame) {
    if (!isSubstanceLAF())
      return;
    titlePopupMenu(frame, new VF1<JPopupMenu>() {

      public void get(JPopupMenu menu) {
        try {
          boolean alwaysOnTop = frame.isAlwaysOnTop();
          menu.add(jmenuItem("Restart Program", new Runnable() {

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

            public String toString() {
              return "restart();";
            }
          }));
          menu.add(jmenuItem("Duplicate Program", new Runnable() {

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

            public String toString() {
              return "duplicateThisProgram();";
            }
          }));
          menu.add(jmenuItem("Show Console", new Runnable() {

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

            public String toString() {
              return "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)";
            }
          }));
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "bool alwaysOnTop = frame.isAlwaysOnTop();\r\n    ifndef standardTitlePopupMenu_...";
      }
    });
  }

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

  static public JComponent componentToJComponent(Component c) {
    if (c instanceof JComponent)
      return (JComponent) c;
    if (c instanceof JFrame)
      return ((JFrame) c).getRootPane();
    if (c == null)
      return null;
    throw fail("boohoo " + getClassName(c));
  }

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

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

  static public Integer centerX(Rect r) {
    return rectCenterX(r);
  }

  static public int random_incl(int min, int max) {
    return random_incl(min, max, defaultRandomizer());
  }

  static public int random_incl(int min, int max, Random random) {
    return random(min, max + 1, random);
  }

  static public int random_incl(int max) {
    return random(0, max + 1);
  }

  static public Integer centerY(Rect r) {
    return rectCenterY(r);
  }

  static public JFrame consoleFrame() {
    return (JFrame) getOpt(get(getJavaX(), "console"), "frame");
  }

  static public void autoVMExit() {
    call(getJavaX(), "autoVMExit");
  }

  static public int getMinimumHeight(final Component c) {
    return getMinimumSize(c).height;
  }

  static public Component addToWindow(final Component c, final Component toAdd) {
    if (toAdd != null) {
      swing(() -> {
        JFrame frame = getFrame(c);
        if (frame == null)
          return;
        setContentPane(frame, centerAndSouth(frame.getContentPane(), toAdd));
      });
    }
    return c;
  }

  static public void growWindowSouth(Component c, final int howMuch) {
    final Window w = getWindow(c);
    if (w != null) {
      swing(() -> {
        Rectangle r = w.getBounds();
        w.setBounds(r.x, r.y, r.width, r.height + howMuch);
      });
    }
  }

  static public JPanel marginPanel() {
    return jtransparent(borderLayoutPanel());
  }

  static public JPanel jFullCenter(final Component c) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel panel = new JPanel(new GridBagLayout());
          panel.add(c);
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel panel = new JPanel(new GridBagLayout);\r\n    panel.add(c);\r\n    ret panel;";
      }
    });
  }

  static public int hstackWithSpacing_spacing = 10;

  static public JPanel hstackWithSpacing(Object... parts) {
    parts = flattenArray2(parts);
    int spacing = hstackWithSpacing_spacing;
    int i = 0;
    if (first(parts) instanceof Integer) {
      spacing = toInt(first(parts));
      ++i;
    }
    JPanel panel = new JPanel(new GridBagLayout());
    GridBagConstraints gbc = new GridBagConstraints();
    gbc.weighty = 1;
    gbc.fill = GridBagConstraints.VERTICAL;
    gbc.gridheight = GridBagConstraints.REMAINDER;
    for (; i < l(parts); i++) {
      if (i != 0)
        panel.add(javax.swing.Box.createRigidArea(new Dimension(spacing, 0)), gbc);
      panel.add(wrapForSmartAdd(parts[i]), gbc);
    }
    gbc.weightx = 1;
    panel.add(jrigid(), gbc);
    return panel;
  }

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

  static public Map vm_generalMap_map;

  static public Map vm_generalMap() {
    if (vm_generalMap_map == null)
      vm_generalMap_map = (Map) get(javax(), "generalMap");
    return vm_generalMap_map;
  }

  static public String getOneLineFileInfoField(File f, String field) {
    File infoFile = associatedInfosFile(f);
    List<String> lines = lines(loadTextFile(infoFile));
    return firstStartingWithIC_drop(lines, field + ": ");
  }

  static public Object dm_getStemByID(Object id) {
    return dm_callOS("getModuleByID", str(id));
  }

  static public Lock appendToFile_lock = lock();

  static public boolean appendToFile_keepOpen = false;

  static public HashMap<String, Writer> appendToFile_writers = new HashMap();

  static public void appendToFile(String path, String s) {
    try {
      Lock __0 = appendToFile_lock;
      lock(__0);
      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(__0);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public void appendToFile(File path, String s) {
    if (path != null)
      appendToFile(path.getPath(), s);
  }

  static public void cleanMeUp_appendToFile() {
    AutoCloseable __3 = tempCleaningUp();
    try {
      Lock __1 = appendToFile_lock;
      lock(__1);
      try {
        closeAllWriters(values(appendToFile_writers));
        appendToFile_writers.clear();
      } finally {
        unlock(__1);
      }
    } finally {
      _close(__3);
    }
  }

  static public Map<String, String> parseStdFunctionsList(String snippetSrc) {
    return parseStdFunctionsList(snippetSrc, new LinkedHashMap());
  }

  static public Map<String, String> parseStdFunctionsList(String snippetSrc, Map<String, String> map) {
    List<String> tok = javaTok(snippetSrc);
    int i = findCodeTokens(tok, "standardFunctions", "=", "litlist", "(");
    int opening = i + 6;
    int closing = indexOf(tok, ")", opening) - 1;
    for (i = opening + 2; i < closing; i += 4) {
      String[] f = unquote(tok.get(i)).split("/");
      map.put(f[1], f[0]);
    }
    return map;
  }

  static public String loadSnippetSilently(Snippet s) {
    return loadSnippetQuietly(s);
  }

  static public String loadSnippetSilently(String snippetID) {
    return loadSnippetQuietly(snippetID);
  }

  static public Class<?> hotwire(String src) {
    return hotwire(src, __1 -> mainClassNameForClassLoader(__1));
  }

  static public Class<?> hotwire(String src, IF1<ClassLoader, String> calculateMainClass) {
    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;
    }
  }

  static public Object makeDependent_postProcess;

  static public 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);
  }

  static public <A> A callMain(A c, String... args) {
    callOpt(c, "main", new Object[] { args });
    return c;
  }

  static public void callMain() {
    callMain(mc());
  }

  static public <A extends JComponent> A componentPopupMenuItem(A c, final String name, final Object action) {
    componentPopupMenu(c, new VF1<JPopupMenu>() {

      public void get(JPopupMenu menu) {
        try {
          addMenuItem(menu, name, action);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "addMenuItem(menu, name, action);";
      }
    });
    return c;
  }

  static public void componentPopupMenuItem(JComponent c, final JMenuItem menuItem) {
    componentPopupMenu(c, new VF1<JPopupMenu>() {

      public void get(JPopupMenu menu) {
        try {
          addMenuItem(menu, menuItem);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "addMenuItem(menu, menuItem);";
      }
    });
  }

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

  static public Set vm_generalWeakSet(Object name) {
    synchronized (vm_generalMap()) {
      Set set = (Set) (vm_generalMap_get(name));
      if (set == null)
        vm_generalMap_put(name, set = newWeakHashSet());
      return set;
    }
  }

  static public void selectRow(final JTable table, final int i) {
    if (table != null) {
      swing(() -> {
        if (i >= 0 && i < table.getRowCount()) {
          table.setRowSelectionInterval(i, i);
          scrollRowToVisible(table, i);
        } else
          table.clearSelection();
      });
    }
  }

  static public void selectRow(final JList list, final int i) {
    if (list != null) {
      swing(() -> {
        if (i >= 0 && i < listRowCount(list))
          list.setSelectedIndex(i);
        else
          list.clearSelection();
      });
    }
  }

  static public <A> int jlist_indexOf(JList<A> list, A item) {
    return swing(new F0<Integer>() {

      public Integer get() {
        try {
          ListModel<A> model = list.getModel();
          int n = model.getSize();
          for (int i = 0; i < n; i++) if (eq(model.getElementAt(i), item))
            return i;
          return -1;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "ListModel<A> model = list.getModel();\r\n    int n = model.getSize();\r\n    for ...";
      }
    });
  }

  static public <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(() -> {
        for (Component comp : ((Container) c).getComponents()) scanForComponents(comp, theClass, l);
      });
    }
  }

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

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

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

  static public ThreadLocal<Integer> addInternalFrame_layer = new ThreadLocal();

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

  static public 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);
  }

  static public 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);
  }

  static public JInternalFrame addInternalFrame(final JDesktopPane desktop, final String title, final Component contents) {
    return addInternalFrame(desktop, title, null, contents);
  }

  static public 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...";
      }
    });
  }

  static public JInternalFrame addInternalFrame(JDesktopPane desktop, String title) {
    return addInternalFrame(desktop, title, jpanel());
  }

  static public JInternalFrame minInternalFrameWidth(final JInternalFrame frame, final int w) {
    {
      swing(() -> {
        if (frame != null && frame.getWidth() < w)
          frame.setSize(w, frame.getHeight());
      });
    }
    return frame;
  }

  static public JInternalFrame minInternalFrameWidth(int w, JInternalFrame frame) {
    return minInternalFrameWidth(frame, w);
  }

  static public <A extends Component> A packInternalFrameVertically(A c) {
    return packInternalFrameVertically(-1, c);
  }

  static public <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(() -> {
        win.pack();
        win.setSize(w, win.getHeight());
        fixInternalFrame(win);
      });
    }
    return c;
  }

  static public JInternalFrame centerInternalFrame(final JInternalFrame f) {
    {
      swing(() -> {
        Container c = f.getParent();
        if (c != null) {
          f.setLocation((c.getWidth() - f.getWidth()) / 2, (c.getHeight() - f.getHeight()) / 2);
        }
      });
    }
    return f;
  }

  static public JInternalFrame centerInternalFrame(final int w, final int h, final JInternalFrame f) {
    {
      swing(() -> {
        f.setSize(w, h);
      });
    }
    return centerInternalFrame(f);
  }

  static public int packFrame_minw = 150, packFrame_minh = 50;

  static public <A extends Component> A packFrame(final A c) {
    {
      swing(() -> {
        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)));
        }
      });
    }
    return c;
  }

  static public JFrame packFrame(ButtonGroup g) {
    return packFrame(getFrame(g));
  }

  static public JFrame showFrame() {
    return makeFrame();
  }

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

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

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

  static public JFrame showFrame(final JFrame f) {
    if (f != null) {
      swing(() -> {
        if (frameTooSmall(f))
          frameStandardSize(f);
        if (!f.isVisible())
          f.setVisible(true);
        if (f.getState() == Frame.ICONIFIED)
          f.setState(Frame.NORMAL);
      });
    }
    return f;
  }

  static public JFrame showFrame(String title, Object content, JFrame frame) {
    if (frame == null)
      return showFrame(title, content);
    else {
      frame.setTitle(title);
      setFrameContents(frame, content);
      return frame;
    }
  }

  static public <A, B extends Collection<A>> void forEachLevel2(Iterable<B> l, IVF1<A> f) {
    if (l != null)
      for (B b : l) forEach(b, f);
  }

  static public <A, B extends Collection<A>> void forEachLevel2(IVF1<A> f, Iterable<B> l) {
    forEachLevel2(f, l);
  }

  static public 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 "return c.getMinimumSize();";
      }
    });
  }

  static public <A extends Component> A jPreferWidth(int w, A c) {
    {
      swing(() -> {
        Dimension size = c.getPreferredSize();
        c.setPreferredSize(new Dimension(w, size.height));
      });
    }
    return c;
  }

  static public char charAt(String s, int i) {
    return s != null && i >= 0 && i < s.length() ? s.charAt(i) : '\0';
  }

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

  static public boolean containsSpace(String s) {
    return containsSpaces(s);
  }

  static public String firstToUpper(String s) {
    if (empty(s))
      return s;
    return Character.toUpperCase(s.charAt(0)) + s.substring(1);
  }

  static public <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)";
      }
    });
  }

  static public List<String> splitCamelCase(String s) {
    return ai_splitCamelCase(s);
  }

  static public List<Component> allChildren(Component c) {
    return childrenOfType(c, Component.class);
  }

  static public void onEnterIfTextField(Component c, Runnable action) {
    if (action == null)
      return;
    if (c instanceof JTextField)
      onEnter(((JTextField) c), action);
    else if (c instanceof JComboBox)
      onEnter(((JComboBox) c), action);
  }

  static public 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);
  }

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

  static public <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;
  }

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

  static public ITokCondition tokCondition(IIntPred condition) {
    return condition == null ? null : (tok, nIdx) -> condition.get(nIdx);
  }

  static public Map<String, String[]> javaTokForJFind_array_cache = synchronizedMRUCache(1000);

  static public String[] javaTokForJFind_array(String s) {
    String[] tok = javaTokForJFind_array_cache.get(s);
    if (tok == null)
      javaTokForJFind_array_cache.put(s, tok = codeTokensAsStringArray(jfind_preprocess(javaTok(s))));
    return tok;
  }

  static public int findCodeTokens(List<String> tok, String... tokens) {
    return findCodeTokens(tok, 1, false, tokens);
  }

  static public int findCodeTokens(List<String> tok, boolean ignoreCase, String... tokens) {
    return findCodeTokens(tok, 1, ignoreCase, tokens);
  }

  static public int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String... tokens) {
    return findCodeTokens(tok, startIdx, ignoreCase, tokens, null);
  }

  static public HashSet<String> findCodeTokens_specials = lithashset("*", "<quoted>", "<id>", "<int>", "\\*");

  static public int findCodeTokens_bails, findCodeTokens_nonbails;

  static public interface findCodeTokens_Matcher {

    public boolean get(String token);
  }

  static public int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String[] tokens, Object condition) {
    int end = tok.size() - tokens.length * 2 + 2, nTokens = tokens.length;
    int i = startIdx | 1;
    if (i >= end)
      return -1;
    String firstToken = tokens[0];
    if (!ignoreCase && !findCodeTokens_specials.contains(firstToken)) {
      while (i < end && !firstToken.equals(tok.get(i))) i += 2;
    }
    findCodeTokens_Matcher[] matchers = new findCodeTokens_Matcher[nTokens];
    for (int j = 0; j < nTokens; j++) {
      String p = tokens[j];
      findCodeTokens_Matcher matcher;
      if (p.equals("*"))
        matcher = t -> true;
      else if (p.equals("<quoted>"))
        matcher = t -> isQuoted(t);
      else if (p.equals("<id>"))
        matcher = t -> isIdentifier(t);
      else if (p.equals("<int>"))
        matcher = t -> isInteger(t);
      else if (p.equals("\\*"))
        matcher = t -> t.equals("*");
      else if (ignoreCase)
        matcher = t -> eqic(p, t);
      else
        matcher = t -> t.equals(p);
      matchers[j] = matcher;
    }
    outer: for (; i < end; i += 2) {
      for (int j = 0; j < nTokens; j++) if (!matchers[j].get(tok.get(i + j * 2)))
        continue outer;
      if (condition == null || checkTokCondition(condition, tok, i - 1))
        return i;
    }
    return -1;
  }

  static public String[] codeTokensAsStringArray(List<String> tok) {
    int n = max(0, (l(tok) - 1) / 2);
    String[] out = new String[n];
    for (int i = 0; i < n; i++) out[i] = tok.get(i * 2 + 1);
    return out;
  }

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

  static public <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;
      replaceSublist(l, i, i + l(x), y);
      i += l(y);
    }
    return l;
  }

  static public <A> List<A> replaceSublist(List<A> l, int fromIndex, int toIndex, List<A> y) {
    int n = y.size(), toIndex_new = fromIndex + n;
    if (toIndex_new < toIndex) {
      removeSubList(l, toIndex_new, toIndex);
      copyListPart(y, 0, l, fromIndex, n);
    } else {
      copyListPart(y, 0, l, fromIndex, toIndex - fromIndex);
      if (toIndex_new > toIndex)
        l.addAll(toIndex, subList(y, toIndex - fromIndex));
    }
    return l;
  }

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

  static public boolean hasField(Object o, String field) {
    return findField2(o, field) != null;
  }

  public static boolean isWindows() {
    return System.getProperty("os.name").contains("Windows");
  }

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

  static public JTextArea jTextAreaWithUndo(final String text) {
    return jenableUndoRedo(swingNu(JTextArea.class, text));
  }

  static public String loadTextFilePossiblyGZipped(String fileName) {
    return loadTextFilePossiblyGZipped(fileName, null);
  }

  static public String loadTextFilePossiblyGZipped(String fileName, String defaultContents) {
    File gz = new File(fileName + ".gz");
    return gz.exists() ? loadGZTextFile(gz) : loadTextFile(fileName, defaultContents);
  }

  static public String loadTextFilePossiblyGZipped(File fileName) {
    return loadTextFilePossiblyGZipped(fileName, null);
  }

  static public String loadTextFilePossiblyGZipped(File fileName, String defaultContents) {
    return loadTextFilePossiblyGZipped(fileName.getPath(), defaultContents);
  }

  static public File getCachedTranspilationFile(String id) {
    return newFile(getCodeProgramDir(id), "Transpilation");
  }

  static public Object vmGeneralMap_get(Object key) {
    return vm_generalMap_get(key);
  }

  public static String bytesToHex(byte[] bytes) {
    return bytesToHex(bytes, 0, bytes.length);
  }

  public static String bytesToHex(byte[] bytes, int ofs, int len) {
    StringBuilder stringBuilder = new StringBuilder(len * 2);
    for (int i = 0; i < len; i++) {
      String s = "0" + Integer.toHexString(bytes[ofs + i]);
      stringBuilder.append(s.substring(s.length() - 2, s.length()));
    }
    return stringBuilder.toString();
  }

  static public boolean md5OfFile_verbose = false;

  static public String md5OfFile(String path) {
    return md5OfFile(newFile(path));
  }

  static public 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);
    }
  }

  static public <A, B> void mapPut(Map<A, B> map, A key, B value) {
    if (map != null && key != null && value != null)
      map.put(key, value);
  }

  static public <A, B> void mapPut(Map<A, B> map, Pair<A, B> p) {
    if (map != null && p != null)
      map.put(p.a, p.b);
  }

  static public boolean loadBufferedImage_useImageCache = true;

  static public BufferedImage loadBufferedImage(String snippetIDOrURLOrFile) {
    try {
      ping();
      if (snippetIDOrURLOrFile == null)
        return null;
      if (isURL(snippetIDOrURLOrFile))
        return imageIO_readURL(snippetIDOrURLOrFile);
      if (isSnippetID(snippetIDOrURLOrFile)) {
        String snippetID = "" + parseSnippetID(snippetIDOrURLOrFile);
        IResourceLoader rl = vm_getResourceLoader();
        if (rl != null)
          return loadBufferedImage(rl.loadLibrary(snippetID));
        File dir = imageSnippetsCacheDir();
        if (loadBufferedImage_useImageCache) {
          dir.mkdirs();
          File file = new File(dir, snippetID + ".png");
          if (file.exists() && file.length() != 0)
            try {
              return ImageIO.read(file);
            } catch (Throwable e) {
              e.printStackTrace();
            }
        }
        String imageURL = snippetImageURL_http(snippetID);
        print("Loading image: " + imageURL);
        BufferedImage image = imageIO_readURL(imageURL);
        if (loadBufferedImage_useImageCache) {
          File tempFile = new File(dir, snippetID + ".tmp." + System.currentTimeMillis());
          ImageIO.write(image, "png", tempFile);
          tempFile.renameTo(new File(dir, snippetID + ".png"));
        }
        return image;
      } else
        return loadBufferedImage(new File(snippetIDOrURLOrFile));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public BufferedImage loadBufferedImage(File file) {
    return loadBufferedImageFile(file);
  }

  static public <A, B> Map<A, B> weakHashMap() {
    return newWeakHashMap();
  }

  static public <A, B> List<A> keysList(Map<A, B> map) {
    return cloneListSynchronizingOn(keys(map), map);
  }

  static public <A> List<A> keysList(MultiSet<A> ms) {
    return ms == null ? null : keysList(ms.map);
  }

  static public <A> A setThreadLocal(ThreadLocal<A> tl, A value) {
    if (tl == null)
      return null;
    A old = tl.get();
    tl.set(value);
    return old;
  }

  static public String mcName() {
    return mc().getName();
  }

  static public int smartIndexOf(String s, String sub, int i) {
    if (s == null)
      return 0;
    i = s.indexOf(sub, min(i, l(s)));
    return i >= 0 ? i : l(s);
  }

  static public int smartIndexOf(String s, int i, char c) {
    return smartIndexOf(s, c, i);
  }

  static public int smartIndexOf(String s, char c, int i) {
    if (s == null)
      return 0;
    i = s.indexOf(c, min(i, l(s)));
    return i >= 0 ? i : l(s);
  }

  static public int smartIndexOf(String s, String sub) {
    return smartIndexOf(s, sub, 0);
  }

  static public int smartIndexOf(String s, char c) {
    return smartIndexOf(s, c, 0);
  }

  static public <A> int smartIndexOf(List<A> l, A sub) {
    return smartIndexOf(l, sub, 0);
  }

  static public <A> int smartIndexOf(List<A> l, int start, A sub) {
    return smartIndexOf(l, sub, start);
  }

  static public <A> int smartIndexOf(List<A> l, A sub, int start) {
    int i = indexOf(l, sub, start);
    return i < 0 ? l(l) : i;
  }

  static public String quoteIfNotIdentifierOrInteger(String s) {
    if (s == null)
      return null;
    return isJavaIdentifier(s) || isInteger(s) ? s : quote(s);
  }

  static public boolean isURL(String s) {
    return startsWithOneOf(s, "http://", "https://", "file:");
  }

  static public File imageSnippetCacheFile(String snippetID) {
    File dir = imageSnippetsCacheDir();
    if (!loadBufferedImage_useImageCache)
      return null;
    return new File(dir, parseSnippetID(snippetID) + ".png");
  }

  static public String snippetImageURL_noHttps(String snippetID) {
    return snippetImageURL_noHttps(snippetID, "png");
  }

  static public String snippetImageURL_noHttps(String snippetID, String contentType) {
    return snippetImageURL(snippetID, contentType).replace("https://www.botcompany.de:8443/", "http://www.botcompany.de:8080/").replace("https://botcompany.de/", "http://botcompany.de/");
  }

  static public ThreadLocal<Map<String, List<String>>> loadBinaryPage_responseHeaders = new ThreadLocal();

  static public ThreadLocal<Map<String, String>> loadBinaryPage_extraHeaders = new ThreadLocal();

  static public byte[] loadBinaryPage(String url) {
    try {
      print("Loading " + url);
      return loadBinaryPage(loadPage_openConnection(new URL(url)));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public 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);
    }
  }

  static public 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 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);
    }
  }

  static public byte[] saveBinaryFile(File fileName, byte[] contents) {
    return saveBinaryFile(fileName.getPath(), contents);
  }

  static public File getGlobalCache() {
    File file = new File(javaxCachesDir(), "Binary Snippets");
    file.mkdirs();
    return file;
  }

  static public String dataSnippetLink(String snippetID) {
    long id = parseSnippetID(snippetID);
    if (id >= 1100000 && id < 1200000)
      return imageServerURL() + id;
    if (id >= 1200000 && id < 1300000) {
      String pw = muricaPassword();
      if (empty(pw))
        throw fail("Please set 'murica password by running #1008829");
      return "https://botcompany.de/files/" + id + "?_pass=" + pw;
    }
    return fileServerURL() + "/" + id;
  }

  static public <B, A extends B> A addAndReturn(Collection<B> c, A a) {
    if (c != null)
      c.add(a);
    return a;
  }

  static public void loadBinaryPageToFile(String url, File file) {
    try {
      print("Loading " + url);
      loadBinaryPageToFile(openConnection(new URL(url)), file);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public void loadBinaryPageToFile(URLConnection con, File file) {
    try {
      setHeaders(con);
      loadBinaryPageToFile_noHeaders(con, file);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public 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);
    }
  }

  static public URLConnection openConnection(String url) {
    try {
      return openConnection(new URL(url));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public URLConnection openConnection(URL url) {
    try {
      ping();
      callOpt(javax(), "recordOpenURLConnection", str(url));
      return url.openConnection();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public List<String> allToString(Iterable c) {
    List<String> l = new ArrayList();
    for (Object o : unnull(c)) l.add(str(o));
    return l;
  }

  static public List<String> allToString(Object[] c) {
    List<String> l = new ArrayList();
    for (Object o : unnull(c)) l.add(str(o));
    return l;
  }

  static public KeyListener enterKeyListener(final Object action) {
    return new KeyAdapter() {

      public void keyPressed(KeyEvent ke) {
        if (ke.getKeyCode() == KeyEvent.VK_ENTER)
          pcallF(action);
      }
    };
  }

  static public 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))";
      }
    };
  }

  static public <A> A _registerIOWrap(A wrapper, Object wrapped) {
    return wrapper;
  }

  static public String quickSubstring(String s, int i, int j) {
    if (i >= j)
      return "";
    return s.substring(i, j);
  }

  static public Class actualMC() {
    return or((Class) realMC(), mc());
  }

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

  static public boolean endsWith(String a, char c) {
    return nempty(a) && lastChar(a) == c;
  }

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

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

  static public <A> TreeMap<String, A> caseInsensitiveMap() {
    return new TreeMap(caseInsensitiveComparator());
  }

  static public Object safeUnstructure(String s) {
    return unstructure(s, true);
  }

  static public Object safeUnstructure(File f) {
    return safeUnstructureGZFile(f);
  }

  static public Map synchroHashMap() {
    return synchronizedMap(new HashMap());
  }

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

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

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

  static public int shorten_default = 100;

  static public String shorten(CharSequence s) {
    return shorten(s, shorten_default);
  }

  static public String shorten(CharSequence s, int max) {
    return shorten(s, max, "...");
  }

  static public String shorten(CharSequence s, int max, String shortener) {
    if (s == null)
      return "";
    if (max < 0)
      return str(s);
    return s.length() <= max ? str(s) : subCharSequence(s, 0, min(s.length(), max - l(shortener))) + shortener;
  }

  static public String shorten(int max, CharSequence s) {
    return shorten(s, max);
  }

  static public 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;
  }

  static public String assertIsIdentifier(String s) {
    if (!isIdentifier(s))
      throw fail("Not an identifier: " + quote(s));
    return s;
  }

  static public String assertIsIdentifier(String msg, String s) {
    if (!isIdentifier(s))
      throw fail(msg + " - Not an identifier: " + quote(s));
    return s;
  }

  static public String renderVars_str(Object... params) {
    List<String> l = new ArrayList();
    int i = 0;
    if (odd(l(params))) {
      l.add(strOrNull(first(params)));
      ++i;
    }
    for (; i + 1 < l(params); i += 2) l.add(params[i] + "=" + params[i + 1]);
    return trim(joinWithComma(l));
  }

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

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

  static public Class getOuterClass(Class c) {
    return getOuterClass(c, null);
  }

  static public Class getOuterClass(Class c, Object classFinder) {
    try {
      String s = c.getName();
      int i = s.lastIndexOf('$');
      String name = substring(s, 0, i);
      return classForName(name, classFinder);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Class getOuterClass(Object o) {
    return getOuterClass(o, null);
  }

  static public Class getOuterClass(Object o, Object classFinder) {
    return getOuterClass(_getClass(o), classFinder);
  }

  static public HashMap<String, Field> instanceFieldsMap(Object o) {
    return (HashMap) getOpt_getFieldMap(o);
  }

  static public void dynamicObject_setRawFieldValue(DynamicObject o, Object key, Object value) {
    if (o == null)
      return;
    synchronized (o) {
      o.fieldValues = syncMapPut2_createLinkedHashMap((LinkedHashMap) o.fieldValues, key, value);
    }
  }

  static public void warnIfOddCount(Object... list) {
    if (odd(l(list)))
      printStackTrace("Odd list size: " + list);
  }

  static public Map<Class, Field[]> thisDollarOneFields_cache = newDangerousWeakHashMap();

  static public Field[] thisDollarOneFields(Class c) {
    synchronized (thisDollarOneFields_cache) {
      Field[] l = thisDollarOneFields_cache.get(c);
      if (l == null)
        thisDollarOneFields_cache.put(c, l = thisDollarOneFields_uncached(c));
      return l;
    }
  }

  static public Field[] thisDollarOneFields_uncached(Class c) {
    List<Field> fields = new ArrayList();
    do {
      for (Field f : c.getDeclaredFields()) if (f.getName().startsWith("this$"))
        fields.add(makeAccessible(f));
      c = c.getSuperclass();
    } while (c != null);
    return toArray(new Field[l(fields)], fields);
  }

  static public Method fastIntern_method;

  static public 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);
    }
  }

  static public Map<Class, HashMap<String, Method>> callOpt_noArgs_cache = newDangerousWeakHashMap();

  static public 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);
    }
  }

  static public 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 && !reflection_isForbiddenMethod(m)) {
        makeAccessible(m);
        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;
  }

  static public TreeSet<String> caseInsensitiveSet() {
    return caseInsensitiveSet_treeSet();
  }

  static public TreeSet<String> caseInsensitiveSet(Collection<String> c) {
    return caseInsensitiveSet_treeSet(c);
  }

  static public 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);
  }

  static public 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()]);
  }

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

  static public Class classForName(String name) {
    return classForName(name, null);
  }

  static public Class classForName(String name, Object classFinder) {
    if (classForName_cache == null || classFinder != null)
      return classForName_uncached(name, classFinder);
    Class c = classForName_cache.get(name);
    if (c == null)
      classForName_cache.put(name, c = classForName_uncached(name, null));
    return c;
  }

  static public Class classForName_uncached(String name, Object classFinder) {
    try {
      if (classFinder != null)
        return (Class) callF(classFinder, name);
      return Class.forName(name);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

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

  static public <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);
    }
  }

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

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

  static public boolean isInstanceX(Class type, Object arg) {
    if (type == boolean.class)
      return arg instanceof Boolean;
    if (type == int.class)
      return arg instanceof Integer;
    if (type == long.class)
      return arg instanceof Long;
    if (type == float.class)
      return arg instanceof Float;
    if (type == short.class)
      return arg instanceof Short;
    if (type == char.class)
      return arg instanceof Character;
    if (type == byte.class)
      return arg instanceof Byte;
    if (type == double.class)
      return arg instanceof Double;
    return type.isInstance(arg);
  }

  static public <A, B> Set<Map.Entry<A, B>> _entrySet(Map<A, B> map) {
    return map == null ? Collections.EMPTY_SET : map.entrySet();
  }

  static public boolean domainIsUnder(String domain, String mainDomain) {
    return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain);
  }

  static public String theAGIBlueDomain() {
    return "agi.blue";
  }

  static public 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);
    }
  }

  static public <A> List<A> dropFirstThreeAndLastThree(List<A> l) {
    return dropFirstAndLast(3, l);
  }

  static public 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;
  }

  static public boolean startsWithAndEndsWith(String s, String prefix, String suffix) {
    return startsWith(s, prefix) && endsWith(s, suffix);
  }

  static public boolean isTrueOpt(Object o) {
    if (o instanceof Boolean)
      return ((Boolean) o).booleanValue();
    return false;
  }

  static public boolean isTrueOpt(String field, Object o) {
    return isTrueOpt(getOpt(field, o));
  }

  static public boolean eqicOneOf(String s, String... l) {
    for (String x : l) if (eqic(s, x))
      return true;
    return false;
  }

  static public List<String> isYes_yesses = litlist("y", "yes", "yeah", "y", "yup", "yo", "corect", "sure", "ok", "afirmative");

  static public boolean isYes(String s) {
    return isYes_yesses.contains(collapseWord(toLowerCase(firstWord2(s))));
  }

  static public Object collectionMutex(List l) {
    return l;
  }

  static public Object collectionMutex(Object o) {
    if (o instanceof List)
      return o;
    String c = className(o);
    return o;
  }

  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;
  }

  static public String mainClassNameForClassLoader(ClassLoader cl) {
    return or((String) callOpt(cl, "mainClassName"), "main");
  }

  static public Class loadClassFromClassLoader_orNull(ClassLoader cl, String name) {
    try {
      return cl == null ? null : cl.loadClass(name);
    } catch (ClassNotFoundException e) {
      return null;
    }
  }

  static public Object pcallFAll_returnFirstNotNull(Collection l, Object... args) {
    if (l != null)
      for (Object f : cloneList(l)) {
        var __1 = pcallF(f, args);
        if (__1 != null)
          return __1;
      }
    return null;
  }

  static public Object pcallFAll_returnFirstNotNull(Iterator it, Object... args) {
    while (it.hasNext()) {
      var __2 = pcallF(it.next(), args);
      if (__2 != null)
        return __2;
    }
    return null;
  }

  static public 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;
  }

  static public boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) {
    return a != null && a.regionMatches(true, offsetA, b, offsetB, len);
  }

  static public String htmlencode_noQuotes(String s) {
    if (s == null)
      return "";
    int n = s.length();
    StringBuilder out = null;
    for (int i = 0; i < n; i++) {
      char c = s.charAt(i);
      if (c == '<') {
        if (out == null)
          out = new StringBuilder(Math.max(16, n)).append(takeFirst(i, s));
        out.append("&lt;");
      } else if (c == '>') {
        if (out == null)
          out = new StringBuilder(Math.max(16, n)).append(takeFirst(i, s));
        out.append("&gt;");
      } else if (c > 127 || c == '&') {
        int cp = s.codePointAt(i);
        if (out == null)
          out = new StringBuilder(Math.max(16, n)).append(takeFirst(i, s));
        out.append("&#x");
        out.append(intToHex_flexLength(cp));
        out.append(';');
        i += Character.charCount(cp) - 1;
      } else {
        if (out != null)
          out.append(c);
      }
    }
    return out == null ? s : out.toString();
  }

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

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

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

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

  static public <A> IVF1<A> setVar(IVar<A> v) {
    return a -> {
      if (v != null)
        v.set(a);
    };
  }

  static public <A> List<A> cloneSubList(List<A> l, int startIndex, int endIndex) {
    return newSubList(l, startIndex, endIndex);
  }

  static public <A> List<A> cloneSubList(List<A> l, int startIndex) {
    return newSubList(l, startIndex);
  }

  static public void removeSubList(List l, int from, int to) {
    if (l != null)
      subList(l, from, to).clear();
  }

  static public void removeSubList(List l, int from) {
    if (l != null)
      subList(l, from).clear();
  }

  static public Iterator emptyIterator() {
    return Collections.emptyIterator();
  }

  static public TreeSet<String> litciset(String... items) {
    TreeSet<String> set = caseInsensitiveSet();
    for (String a : items) set.add(a);
    return set;
  }

  static public TreeSet<Symbol> litciset(Symbol... items) {
    TreeSet<Symbol> set = treeSet();
    for (Symbol a : items) set.add(a);
    return set;
  }

  static public String afterLastSpace(String s) {
    return s == null ? null : substring(s, s.lastIndexOf(' ') + 1);
  }

  static public <A> A[] dropLast(A[] a) {
    return dropLast(a, 1);
  }

  static public <A> A[] dropLast(A[] a, int n) {
    if (a == null)
      return null;
    n = Math.min(n, a.length);
    A[] b = arrayOfSameType(a, a.length - n);
    System.arraycopy(a, 0, b, 0, b.length);
    return b;
  }

  static public <A> List<A> dropLast(List<A> l) {
    return subList(l, 0, l(l) - 1);
  }

  static public <A> List<A> dropLast(int n, List<A> l) {
    return subList(l, 0, l(l) - n);
  }

  static public <A> List<A> dropLast(Iterable<A> l) {
    return dropLast(asList(l));
  }

  static public String dropLast(String s) {
    return substring(s, 0, l(s) - 1);
  }

  static public String dropLast(String s, int n) {
    return substring(s, 0, l(s) - n);
  }

  static public String dropLast(int n, String s) {
    return dropLast(s, n);
  }

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

  static public boolean ewicOneOf(String s, String... l) {
    if (s != null)
      for (String x : l) if (ewic(s, x))
        return true;
    return false;
  }

  static public Charset utf8charset_cache;

  static public Charset utf8charset() {
    if (utf8charset_cache == null)
      utf8charset_cache = utf8charset_load();
    return utf8charset_cache;
  }

  static public Charset utf8charset_load() {
    return Charset.forName("UTF-8");
  }

  static public String _computerID;

  static public Lock computerID_lock = lock();

  public static String computerID() {
    if (_computerID == null) {
      Lock __0 = computerID_lock;
      lock(__0);
      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(__0);
      }
    }
    return _computerID;
  }

  static public <A> A[] makeArray(Class<A> type, int n) {
    return (A[]) Array.newInstance(type, n);
  }

  static public Throwable _storeException_value;

  static public void _storeException(Throwable e) {
    _storeException_value = e;
  }

  static public JTextArea enableWordWrapForTextArea(JTextArea ta) {
    return enableWordWrapForTextArea(ta, true);
  }

  static public JTextArea enableWordWrapForTextArea(JTextArea ta, boolean enabled) {
    if (ta != null) {
      swing(() -> {
        ta.setLineWrap(enabled);
        ta.setWrapStyleWord(true);
      });
    }
    return ta;
  }

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

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

  static public float getSwingFontScale() {
    return or((Float) vm_generalMap_get("swingFontScale_value"), 1f);
  }

  static public Rect screenBounds_safe(int iScreen) {
    return screenBounds(min(iScreen, screenCount() - 1));
  }

  static public IF0<Integer> preferredScreen;

  static public int preferredScreen() {
    return preferredScreen != null ? preferredScreen.get() : preferredScreen_base();
  }

  final static public int preferredScreen_fallback(IF0<Integer> _f) {
    return _f != null ? _f.get() : preferredScreen_base();
  }

  static public int preferredScreen_base() {
    return 0;
  }

  static public List vmBus_queryAll(String msg, Object... args) {
    Object arg = vmBus_wrapArgs(args);
    List out = new ArrayList();
    for (Object o : unnullForIteration(vm_busListeners_live())) addIfNotNull(out, pcallF(o, msg, arg));
    for (Object o : unnullForIteration(vm_busListenersByMessage_live().get(msg))) addIfNotNull(out, pcallF(o, msg, arg));
    return out;
  }

  static public Throwable getException(Runnable r) {
    try {
      callF(r);
      return null;
    } catch (Throwable e) {
      return e;
    }
  }

  static public File fileInSameDir(File f, String newName) {
    return newFile(parentFile(f), newName);
  }

  static public <A> List<A> takeFirst(List<A> l, int n) {
    return l(l) <= n ? l : newSubListOrSame(l, 0, n);
  }

  static public <A> List<A> takeFirst(int n, List<A> l) {
    return takeFirst(l, n);
  }

  static public String takeFirst(int n, String s) {
    return substring(s, 0, n);
  }

  static public String takeFirst(String s, int n) {
    return substring(s, 0, n);
  }

  static public CharSequence takeFirst(int n, CharSequence s) {
    return subCharSequence(s, 0, n);
  }

  static public <A> List<A> takeFirst(int n, Iterator<A> it) {
    if (it == null)
      return null;
    List l = new ArrayList();
    for (int _repeat_0 = 0; _repeat_0 < n; _repeat_0++) {
      if (it.hasNext())
        l.add(it.next());
      else
        break;
    }
    return l;
  }

  static public <A> List<A> takeFirst(int n, Iterable<A> i) {
    if (i == null)
      return null;
    return i == null ? null : takeFirst(n, i.iterator());
  }

  static public <A> List<A> takeFirst(int n, IterableIterator<A> i) {
    return takeFirst(n, (Iterator<A>) i);
  }

  static public int[] takeFirst(int n, int[] a) {
    return takeFirstOfIntArray(n, a);
  }

  static public short[] takeFirst(int n, short[] a) {
    return takeFirstOfShortArray(n, a);
  }

  static public byte[] takeFirst(int n, byte[] a) {
    return takeFirstOfByteArray(n, a);
  }

  static public byte[] takeFirst(byte[] a, int n) {
    return takeFirstOfByteArray(n, a);
  }

  static public double[] takeFirst(int n, double[] a) {
    return takeFirstOfDoubleArray(n, a);
  }

  static public double[] takeFirst(double[] a, int n) {
    return takeFirstOfDoubleArray(n, a);
  }

  static public int smartLastIndexOf(String s, char c) {
    if (s == null)
      return 0;
    int i = s.lastIndexOf(c);
    return i >= 0 ? i : l(s);
  }

  static public <A> int smartLastIndexOf(List<A> l, A sub) {
    int i = lastIndexOf(l, sub);
    return i < 0 ? l(l) : i;
  }

  static public File associatedInfosFile(File f) {
    return replaceExtension(f, ".infos");
  }

  static public String firstStartingWithIC(Collection<String> l, String prefix) {
    for (String s : unnull(l)) if (swic(s, prefix))
      return s;
    return null;
  }

  static public <A> List<A> replaceAddOrRemove(List<A> l, A a, A b) {
    if (b == null)
      l.remove(a);
    else
      replaceOrAdd(l, a, b);
    return l;
  }

  static public <A> A vm_generalMap_getOrCreate(Object key, F0<A> create) {
    return vm_generalMap_getOrCreate(key, f0ToIF0(create));
  }

  static public <A> A vm_generalMap_getOrCreate(Object key, IF0<A> create) {
    Map generalMap = vm_generalMap();
    if (generalMap == null)
      return null;
    synchronized (generalMap) {
      A a = (A) (vm_generalMap_get(key));
      if (a == null)
        vm_generalMap_put(key, a = create == null ? null : create.get());
      return a;
    }
  }

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

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

  static public <A> A callF_gen(IF0<A> f) {
    return f == null ? null : f.get();
  }

  static public <A, B> B callF_gen(IF1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }

  static public <A, B> B callF_gen(A a, IF1<A, B> f) {
    return f == null ? null : f.get(a);
  }

  static public <A, B, C> C callF_gen(IF2<A, B, C> f, A a, B b) {
    return f == null ? null : f.get(a, b);
  }

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

  static public <A> void callF_gen(A a, IVF1<A> f) {
    {
      if (f != null)
        f.get(a);
    }
  }

  static public <A> void callF_gen(IVF1<A> f, A a) {
    {
      if (f != null)
        f.get(a);
    }
  }

  static public Object callF_gen(Runnable r) {
    {
      if (r != null)
        r.run();
    }
    return null;
  }

  static public Object callF_gen(Object f, Object... args) {
    return callF(f, args);
  }

  static public int indexOfIgnoreCase(List<String> a, String b) {
    return indexOfIgnoreCase(a, b, 0);
  }

  static public int indexOfIgnoreCase(List<String> a, String b, int i) {
    int n = a == null ? 0 : a.size();
    for (; i < n; i++) if (eqic(a.get(i), b))
      return i;
    return -1;
  }

  static public int indexOfIgnoreCase(String[] a, String b) {
    return indexOfIgnoreCase(a, b, 0);
  }

  static public int indexOfIgnoreCase(String[] a, String b, int i) {
    int n = a == null ? 0 : a.length;
    for (; i < n; i++) if (eqic(a[i], b))
      return i;
    return -1;
  }

  static public int indexOfIgnoreCase(String a, String b) {
    return indexOfIgnoreCase_manual(a, b);
  }

  static public int indexOfIgnoreCase(String a, String b, int i) {
    return indexOfIgnoreCase_manual(a, b, i);
  }

  static public 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;
  }

  static public boolean rectContains(Rect a, Rect b) {
    return b.x >= a.x && b.y >= a.y && b.x2() <= a.x2() && b.y2() <= a.y2();
  }

  static public boolean rectContains(Rect a, Rectangle b) {
    return rectContains(a, toRect(b));
  }

  static public boolean rectContains(Rect a, int x, int y) {
    return a != null && a.contains(x, y);
  }

  static public boolean rectContains(Rect a, Pt p) {
    return a != null && p != null && a.contains(p);
  }

  static public 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);
  }

  static public <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;
  }

  static public <A> List<A> repeat(int n, A a) {
    return repeat(a, n);
  }

  static public String dropTranslators(String src) {
    return findTranslators2(src, null);
  }

  static public List<String> dropTranslators(List<String> tok) {
    return findTranslators2(tok, null);
  }

  static public File javaxCodeDir_dir;

  static public File javaxCodeDir() {
    return javaxCodeDir_dir != null ? javaxCodeDir_dir : new File(userHome(), "JavaX-Code");
  }

  static public File javaxCodeDir(String sub) {
    return newFile(javaxCodeDir(), sub);
  }

  static public String uniqueFileNameUsingMD5_80_v2(String fullName) {
    return uniqueFileNameUsingMD5_80_v2(fullName, md5(fullName));
  }

  static public String uniqueFileNameUsingMD5_80_v2(String fullName, String md5) {
    return takeFirst(80 - 33, fileNameEncode(fullName)) + " - " + md5;
  }

  static public <A> AutoCloseable tempLoadingAnim(String msg) {
    return tempDisposeWindow(loadingAnim(msg));
  }

  static public Class<?> hotwireSharingLibraries_silently(String progID) {
    AutoCloseable __1 = temp_loadPage_silent();
    try {
      return hotwireSharingLibraries(progID);
    } finally {
      _close(__1);
    }
  }

  static public String defaultJavaXTranslatorID_value = "#759";

  static public String defaultJavaXTranslatorID() {
    return defaultJavaXTranslatorID_value;
  }

  static public boolean cleanUp_interruptThreads = false;

  static public void cleanUp(Object c) {
    if (c == null)
      return;
    if (c instanceof AutoCloseable) {
      close_pcall((AutoCloseable) c);
      return;
    }
    if (c instanceof java.util.Timer) {
      ((java.util.Timer) c).cancel();
      return;
    }
    if (c instanceof Collection) {
      cleanUp((Collection) c);
      return;
    }
    if (c instanceof Map) {
      for (Object o : keys((Map) c)) cleanUp(o);
      for (Object o : values((Map) c)) cleanUp(o);
      ((Map) c).clear();
      return;
    }
    try {
      preCleanUp(c);
      setOpt_raw(c, "ping_pauseAll", false);
      innerCleanUp(c);
      List androids = (List) getOpt(c, "record_list");
      for (Object android : unnull(androids)) pcallOpt(android, "dispose");
      List<WeakReference> classes = (List<WeakReference>) (getOpt(c, "hotwire_classes"));
      if (classes != null)
        for (WeakReference cc : classes) {
          try {
            cleanUp(cc.get());
          } catch (Throwable __e) {
            printStackTrace(__e);
          }
        }
      if (cleanUp_interruptThreads) {
        List<Thread> threads = registeredThreads(c);
        if (nempty(threads)) {
          print("cleanUp: Interrupting " + n2(threads, "thread") + ": " + joinWithComma(allToString(threads)));
          interruptThreads(threads);
        }
      }
    } catch (Throwable __e) {
      printStackTrace(__e);
    }
    setOpt_raw(c, "cleaningUp_flag", false);
    if (c instanceof Class && ((Class) c).getName().equals("main"))
      retireClassLoader(((Class) c).getClassLoader());
  }

  static public void cleanUp(Collection l) {
    if (l == null)
      return;
    for (Object c : l) cleanUp(c);
    l.clear();
  }

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

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

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

  static public 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;
  }

  static public int toLines_nextLineBreak(String s, int start) {
    int n = s.length();
    for (int i = start; i < n; i++) {
      char c = s.charAt(i);
      if (c == '\r' || c == '\n')
        return i;
    }
    return -1;
  }

  static public List<String> mapToLines(Map map) {
    List<String> l = new ArrayList();
    for (Object key : keys(map)) l.add(str(key) + " = " + str(map.get(key)));
    return l;
  }

  static public String mapToLines(Map map, Object f) {
    return lines(map(map, f));
  }

  static public String mapToLines(Object f, Map map) {
    return lines(map(map, f));
  }

  static public String mapToLines(Object f, Iterable l) {
    return lines(map(f, l));
  }

  static public <A> String mapToLines(Iterable<A> l, IF1<A, String> f) {
    return mapToLines((Object) f, l);
  }

  static public <A> String mapToLines(IF1<A, String> f, Iterable<A> l) {
    return mapToLines((Object) f, l);
  }

  static public <A, B> String mapToLines(Map<A, B> map, IF2<A, B, String> f) {
    return lines(map(map, f));
  }

  static public <A> String mapToLines(IF1<A, String> f, A data1, A... moreData) {
    return lines(map(f, data1, moreData));
  }

  static public <A> boolean setAdd(Collection<A> c, A a) {
    if (c == null || c.contains(a))
      return false;
    c.add(a);
    return true;
  }

  static public void clearTokens(List<String> tok) {
    clearAllTokens(tok);
  }

  static public void clearTokens(List<String> tok, int i, int j) {
    clearAllTokens(tok, i, j);
  }

  static public File getCodeProgramDir() {
    return getCodeProgramDir(getProgramID());
  }

  static public File getCodeProgramDir(String snippetID) {
    return new File(javaxCodeDir(), formatSnippetID(snippetID));
  }

  static public File getCodeProgramDir(long snippetID) {
    return getCodeProgramDir(formatSnippetID(snippetID));
  }

  static public void saveGZTextFile(File file, String contents) {
    saveGZTextFile(file, contents, "UTF-8");
  }

  static public void saveGZTextFile(File file, String contents, String encoding) {
    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, encoding);
        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);
    }
  }

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

  static public LinkedHashMap paramsToOrderedMap(Object... params) {
    return asLinkedHashMap(paramsToMap(params));
  }

  static public Object[] mapToParams(Map map) {
    return mapToObjectArray(map);
  }

  static public String appendQueryToURL(String url, Map params) {
    if (url == null)
      return null;
    String data = makePostData(params);
    if (empty(data))
      return url;
    int idx = smartIndexOf(url, '#');
    String url2 = takeFirst(url, idx);
    return url2 + (url2.contains("?") ? "&" : "?") + data + substring(url, idx);
  }

  static public String appendQueryToURL(String url, Object... data) {
    return appendQueryToURL(url, paramsToMap(data));
  }

  static public File[] listFiles(File dir) {
    File[] files = dir.listFiles();
    return files == null ? new File[0] : files;
  }

  static public File[] listFiles(String dir) {
    return listFiles(new File(dir));
  }

  static public Map<String, Font> loadFont_cached_cache = new HashMap();

  static synchronized public 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);
    }
  }

  static synchronized public Font loadFont_cached(String snippetID, float size) {
    try {
      return loadFont_cached(snippetID).deriveFont(size);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public boolean isSubstanceLAF() {
    return substanceLookAndFeelEnabled();
  }

  static public 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;
    }
  }

  static public void restart() {
    Object j = getJavaX();
    call(j, "cleanRestart", get(j, "fullArgs"));
  }

  static public void duplicateThisProgram() {
    nohupJavax(trim(programID() + " " + smartJoin((String[]) get(getJavaX(), "fullArgs"))));
  }

  static public void showConsole() {
    callOpt(get(javax(), "console"), "showConsole");
  }

  static public JCheckBoxMenuItem jCheckBoxMenuItem(String text, boolean checked, final Object r) {
    final JCheckBoxMenuItem mi = swing(() -> 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;
  }

  static public JCheckBoxMenuItem jCheckBoxMenuItem(String text, boolean checked, IVF1<Boolean> r) {
    return jCheckBoxMenuItem(text, checked, (Object) r);
  }

  static public void toggleAlwaysOnTop(Window frame) {
    if (frame == null)
      return;
    {
      swing(() -> {
        frame.setAlwaysOnTop(!frame.isAlwaysOnTop());
      });
    }
  }

  static public Integer rectCenterX(Rect r) {
    return r == null ? null : r.x + r.w / 2;
  }

  static public Random defaultRandomizer() {
    return defaultRandomGenerator();
  }

  static public int random(int n) {
    return random(n, defaultRandomGenerator());
  }

  static public int random(int n, Random r) {
    return random(r, n);
  }

  static public int random(Random r, int n) {
    return n <= 0 ? 0 : getRandomizer(r).nextInt(n);
  }

  static public double random(double max) {
    return random() * max;
  }

  static public double random() {
    return defaultRandomGenerator().nextInt(100001) / 100000.0;
  }

  static public double random(double min, double max) {
    return min + random() * (max - min);
  }

  static public int random(int min, int max) {
    return min + random(max - min);
  }

  static public int random(int min, int max, Random r) {
    return random(r, min, max);
  }

  static public int random(Random r, int min, int max) {
    return min + random(r, max - min);
  }

  static public <A> A random(List<A> l) {
    return oneOf(l);
  }

  static public <A> A random(Collection<A> c) {
    if (c instanceof List)
      return random((List<A>) c);
    int i = random(l(c));
    return collectionGet(c, i);
  }

  static public <A, B> Pair<A, B> random(Map<A, B> map) {
    return entryToPair(random(entries(map)));
  }

  static public Integer rectCenterY(Rect r) {
    return r == null ? null : r.y + r.h / 2;
  }

  static public void setContentPane(JFrame frame, Container c) {
    swing(() -> {
      frame.setContentPane(c);
      revalidate(frame);
    });
  }

  static public void setContentPane(JWindow w, Container c) {
    swing(() -> {
      w.setContentPane(c);
      revalidate(w);
    });
  }

  static public JPanel centerAndSouth(final Component c, final Component s) {
    return swing(new F0<JPanel>() {

      public JPanel get() {
        try {
          JPanel panel = new JPanel(new BorderLayout());
          panel.add(BorderLayout.CENTER, wrap(c));
          if (s != null)
            panel.add(BorderLayout.SOUTH, wrap(s));
          return panel;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "JPanel panel = new JPanel(new BorderLayout);\r\n    panel.add(BorderLayout.CENT...";
      }
    });
  }

  static public <A extends JComponent> A jtransparent(final A a) {
    {
      swing(() -> {
        a.setOpaque(false);
      });
    }
    return a;
  }

  static public JPanel borderLayoutPanel() {
    return jpanel(new BorderLayout());
  }

  static public 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;
  }

  static public String firstStartingWithIC_drop(String prefix, Collection<String> l) {
    return firstStartingWithIC_drop(l, prefix);
  }

  static public String getCanonicalPath(File f) {
    try {
      return f == null ? null : f.getCanonicalPath();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public String getCanonicalPath(String path) {
    return getCanonicalPath(newFile(path));
  }

  static public AutoCloseable tempCleaningUp() {
    AutoCloseable result = null;
    result = tempSetTL(ping_isCleanUpThread, true);
    return result;
  }

  static public void closeAllWriters(Collection<? extends Writer> l) {
    for (Writer w : unnull(l)) {
      try {
        w.close();
      } catch (Throwable __e) {
        printStackTrace(__e);
      }
    }
  }

  static public <A, B> Collection<B> values(Map<A, B> map) {
    return map == null ? emptyList() : map.values();
  }

  static public Collection values(Object map) {
    return values((Map) map);
  }

  static public <A, B> Collection<B> values(MultiMap<A, B> mm) {
    return mm == null ? emptyList() : concatLists(values(mm.data));
  }

  static public boolean _inCore() {
    return false;
  }

  static public List hotwire_copyOver_after = synchroList();

  static public 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);
  }

  static public List<Class> dependentClasses() {
    return cleanUpAndGetWeakReferencesList(hotwire_classes);
  }

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

  static public void addMenuItem(JPopupMenu menu, JMenuItem menuItem) {
    if (menu != null && menuItem != null)
      menu.add(menuItem);
  }

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

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

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

  static public void addMenuItem(JMenuBar menuBar, String text, Runnable action) {
    addMenuItem(menuBar, jmenuItem(text, action));
  }

  static public void addMenuItem(JMenuBar menuBar, JMenuItem menuItem) {
    addDirectMenuItem(menuBar, menuItem);
  }

  static public Object vm_generalMap_put(Object key, Object value) {
    return mapPutOrRemove(vm_generalMap(), key, value);
  }

  static public <A> Set<A> newWeakHashSet() {
    return synchroWeakHashSet();
  }

  static public void scrollRowToVisible(JTable t, int rowIndex) {
    int colIndex = 0;
    if (!(t.getParent() instanceof JViewport))
      return;
    JViewport viewport = (JViewport) t.getParent();
    Rectangle rect = t.getCellRect(rowIndex, colIndex, true);
    Rectangle viewRect = viewport.getViewRect();
    int x = viewRect.x;
    int y = viewRect.y;
    if (rect.x >= viewRect.x && rect.x <= (viewRect.x + viewRect.width - rect.width)) {
    } else if (rect.x < viewRect.x) {
      x = rect.x;
    } else if (rect.x > (viewRect.x + viewRect.width - rect.width)) {
      x = rect.x - viewRect.width + rect.width;
    }
    if (rect.y >= viewRect.y && rect.y <= (viewRect.y + viewRect.height - rect.height)) {
    } else if (rect.y < viewRect.y) {
      y = rect.y;
    } else if (rect.y > (viewRect.y + viewRect.height - rect.height)) {
      y = rect.y - viewRect.height + rect.height;
    }
    viewport.setViewPosition(new Point(x, y));
  }

  static public int listRowCount(JList list) {
    return list == null ? 0 : swing(new F0<Integer>() {

      public Integer get() {
        try {
          return list.getModel().getSize();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "return list.getModel().getSize();";
      }
    });
  }

  static public Rect rect(int x, int y, int w, int h) {
    return new Rect(x, y, w, h);
  }

  static public Rect rect(Pt p, int w, int h) {
    return new Rect(p.x, p.y, w, h);
  }

  static public Rect rect(int w, int h) {
    return new Rect(0, 0, w, h);
  }

  static public boolean jInternalFrame_iconifiable = true;

  static public JInternalFrame jInternalFrame() {
    return jInternalFrame("");
  }

  static public 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...";
      }
    });
  }

  static public void setInternalFrameContents(final Component c, final Object contents) {
    {
      swing(() -> {
        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);
      });
    }
  }

  static public <A extends Component> A setBounds(final int x, final int y, final int w, final int h, final A a) {
    if (a != null) {
      swing(() -> {
        a.setBounds(x, y, w, h);
      });
    }
    return a;
  }

  static public <A extends Component> A setBounds(A a, Rect r) {
    if (a != null && r != null) {
      swing(() -> {
        a.setBounds(toRectangle(r));
      });
    }
    return a;
  }

  static public <A extends Component> A setBounds(A a, Rectangle r) {
    if (a != null && r != null) {
      swing(() -> {
        a.setBounds(r);
      });
    }
    return a;
  }

  static public <A extends Component> A setBounds(Rect r, A a) {
    return setBounds(a, r);
  }

  static public <A extends Component> A setBounds(A a, int x, int y, int w, int h) {
    return setBounds(x, y, w, h, a);
  }

  static public void internalFrameDefaultPosition(JInternalFrame f) {
    f.setSize(500, 300);
    centerInternalFrame(f);
  }

  static public int fixInternalFrame_borderTopLeft = 0;

  static public int fixInternalFrame_borderBottomRight = 40;

  static public 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(...";
      }
    });
  }

  static public JPanel jpanel(LayoutManager layout) {
    return swingNu(JPanel.class, layout);
  }

  static public JPanel jpanel() {
    return swingNu(JPanel.class);
  }

  static public int getScreenWidth() {
    return getScreenSize().width;
  }

  static public int getScreenHeight() {
    return getScreenSize().height;
  }

  static public boolean frameTooSmall(JFrame frame) {
    return frame.getWidth() < 100 || frame.getHeight() < 50;
  }

  static public void frameStandardSize(JFrame frame) {
    frame.setBounds(300, 100, 500, 400);
  }

  static public void setFrameContents(final Component c, final Object contents) {
    swing(() -> {
      JFrame frame = getFrame(c);
      if (frame == null)
        return;
      frame.getContentPane().removeAll();
      frame.getContentPane().setLayout(new BorderLayout());
      frame.getContentPane().add(wrap(contents));
      revalidate(frame);
    });
  }

  static public <A> void forEach(Iterable<A> l, IVF1<A> f) {
    if (f != null && l != null)
      for (A a : l) callF(f, a);
  }

  static public <A> void forEach(IVF1<A> f, Iterable<A> l) {
    forEach(l, f);
  }

  static public <A> void forEach(A[] l, IVF1<A> f) {
    if (f != null && l != null)
      for (A a : l) callF(f, a);
  }

  static public <A> void forEach(IVF1<A> f, A[] l) {
    forEach(l, f);
  }

  static public <A, B> void forEach(Map<A, B> map, IVF2<A, B> f) {
    for (Map.Entry<? extends A, ? extends B> __0 : _entrySet(map)) {
      A a = __0.getKey();
      B b = __0.getValue();
      f.get(a, b);
    }
  }

  static public boolean containsSpaces(String s) {
    return indexOf(s, ' ') >= 0;
  }

  static public <A> A getOrKeep(Map<A, ? extends A> map, A a) {
    if (map == null)
      return a;
    A v = map.get(a);
    return v != null ? v : a;
  }

  static public List<String> ai_splitCamelCase(String s) {
    int j = 0;
    List<String> l = new ArrayList();
    if (isAllUpperCase(s)) {
      l.add(s);
      return l;
    }
    for (int i = 0; i < l(s); i++) if (i > j && isUpperCaseLetter(s.charAt(i))) {
      l.add(substring(s, j, i));
      j = i;
    }
    if (j < l(s))
      l.add(substring(s, j));
    return l;
  }

  static public Object[] asObjectArray(Collection l) {
    return toObjectArray(l);
  }

  static public boolean containsNulls(Collection c) {
    return contains(c, null);
  }

  static public Map similarEmptyMap(Map m) {
    if (m instanceof TreeMap)
      return new TreeMap(((TreeMap) m).comparator());
    if (m instanceof LinkedHashMap)
      return new LinkedHashMap();
    return new HashMap();
  }

  static public Map similarEmptyMap(Iterable m) {
    if (m instanceof TreeSet)
      return new TreeMap(((TreeSet) m).comparator());
    if (m instanceof LinkedHashSet)
      return new LinkedHashMap();
    return new HashMap();
  }

  static public <A, B> Map<A, B> synchronizedMRUCache(int maxSize) {
    return synchroMap(new MRUCache(maxSize));
  }

  static public <A> HashSet<A> lithashset(A... items) {
    HashSet<A> set = new HashSet();
    for (A a : items) set.add(a);
    return set;
  }

  static public boolean isQuoted(String s) {
    if (isNormalQuoted(s))
      return true;
    return isMultilineQuoted(s);
  }

  static public boolean checkTokCondition(Object condition, List<String> tok, int i) {
    if (condition instanceof TokCondition)
      return ((TokCondition) condition).get(tok, i);
    return checkCondition(condition, tok, i);
  }

  static public <A> int indexOfSubList(List<A> x, List<A> y) {
    return indexOfSubList(x, y, 0);
  }

  static public <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;
  }

  static public <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;
  }

  static public <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));
  }

  static public Field findField2(Object o, String field) {
    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 findField2_findStaticField((Class) o, field);
    }
    return map.get(field);
  }

  static public Field findField2_findStaticField(Class<?> c, String field) {
    Class _c = c;
    do {
      for (Field f : _c.getDeclaredFields()) if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
      _c = _c.getSuperclass();
    } while (_c != null);
    return null;
  }

  static public String loadGZTextFile(File file) {
    try {
      if (!file.isFile())
        return null;
      ping();
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      InputStream fis = new FileInputStream(file);
      try {
        GZIPInputStream gis = newGZIPInputStream(fis);
        byte[] buffer = new byte[1024];
        int len;
        while ((len = gis.read(buffer)) != -1) baos.write(buffer, 0, len);
        baos.close();
        return fromUtf8(baos.toByteArray());
      } finally {
        _close(fis);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public List<WeakReference<Class>> hotwire_classes = synchroList();

  static public Class<?> hotwireDependent(String src) {
    Class c = hotwire(src);
    makeDependent(c);
    return c;
  }

  static public 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);
    }
  }

  static final public Map<Class, HashMap<String, Field>> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map()));

  static public HashMap getOpt_special;

  static public Map<String, Field> getOpt_getFieldMap(Object o) {
    Class c = _getClass(o);
    HashMap<String, Field> map = getOpt_cache.get(c);
    if (map == null)
      map = getOpt_makeCache(c);
    return map;
  }

  static public Object getOpt_cached(Object o, String field) {
    try {
      if (o == null)
        return null;
      Map<String, Field> map = getOpt_getFieldMap(o);
      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 syncMapGet2(((DynamicObject) o).fieldValues, field);
      return null;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public HashMap<String, Field> getOpt_makeCache(Class c) {
    HashMap<String, Field> map;
    if (isSubtypeOf(c, Map.class))
      map = getOpt_special;
    else {
      map = new HashMap();
      if (!reflection_classesNotToScan().contains(c.getName())) {
        Class _c = c;
        do {
          for (Field f : _c.getDeclaredFields()) {
            makeAccessible(f);
            String name = f.getName();
            if (!map.containsKey(name))
              map.put(name, f);
          }
          _c = _c.getSuperclass();
        } while (_c != null);
      }
    }
    if (getOpt_cache != null)
      getOpt_cache.put(c, map);
    return map;
  }

  static public BufferedImage imageIO_readURL(String url) {
    try {
      return ImageIO.read(new URL(url));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public File imageSnippetsCacheDir() {
    return javaxCachesDir("Image-Snippets");
  }

  static public String snippetImageURL_http(String snippetID) {
    return snippetImageURL_http(snippetID, "png");
  }

  static public String snippetImageURL_http(String snippetID, String contentType) {
    return replacePrefix("https://", "http://", snippetImageURL(snippetID, contentType)).replace(":8443", ":8080");
  }

  static public BufferedImage loadBufferedImageFile(File file) {
    try {
      return isFile(file) ? ImageIO.read(file) : null;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public <A> ArrayList<A> cloneListSynchronizingOn(Collection<A> l, Object mutex) {
    if (l == null)
      return new ArrayList();
    synchronized (mutex) {
      return new ArrayList<A>(l);
    }
  }

  static public String snippetImageURL(long snippetID) {
    return snippetImageURL(fsI(snippetID));
  }

  static public String snippetImageURL(String snippetID) {
    return snippetImageURL(snippetID, "png");
  }

  static public String snippetImageURL(String snippetID, String contentType) {
    if (snippetID == null || isURL(snippetID))
      return snippetID;
    long id = parseSnippetID(snippetID);
    String url;
    if (isImageServerSnippet(id))
      url = imageServerLink(id);
    else
      url = "https://botcompany.de/img/" + id;
    return url;
  }

  static public int loadPage_defaultTimeout = 60000;

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

  static public boolean loadPage_allowGzip = true, loadPage_debug;

  static public boolean loadPage_anonymous = false;

  static public int loadPage_verboseness = 100000;

  static public int loadPage_retries = 1;

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

  static volatile public int loadPage_forcedTimeout;

  static public ThreadLocal<Integer> loadPage_forcedTimeout_byThread = new ThreadLocal();

  static public ThreadLocal<Map<String, List<String>>> loadPage_responseHeaders = new ThreadLocal();

  static public ThreadLocal<Map<String, String>> loadPage_extraHeaders = new ThreadLocal();

  static public ThreadLocal<Long> loadPage_sizeLimit = 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 (!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 (loadPage_debug)
          print(exceptionToStringShort(e));
        if (tries < loadPage_retries - 1)
          sleepSeconds(1);
      }
      throw e;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public String loadPage_preprocess(String url) {
    if (url.startsWith("tb/"))
      url = tb_mainServer() + "/" + url;
    if (url.indexOf("://") < 0)
      url = "http://" + url;
    return url;
  }

  static public 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);
    }
  }

  static public String loadPage(URL url) {
    return loadPage(url.toExternalForm());
  }

  static public String loadPage(URLConnection con, URL url) throws IOException {
    return loadPage(con, url, true);
  }

  static public String loadPage(URLConnection con, URL url, boolean addHeaders) throws IOException {
    Map<String, String> extraHeaders = getAndClearThreadLocal(loadPage_extraHeaders);
    Long limit = optPar(loadPage_sizeLimit);
    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 = urlConnection_getInputStream(con);
      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;
      }
      boolean silent = isTrue(loadPage_silent.get());
      StringBuilder buf = new StringBuilder();
      int n = 0;
      while (limit == null || n < limit) {
        ping();
        int ch = r.read();
        if (ch < 0)
          break;
        buf.append((char) ch);
        ++n;
        if (!silent && (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();
    }
  }

  static public 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");
  }

  static public 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;
  }

  static public <A> A println(A a) {
    return print(a);
  }

  static public String fileServerURL() {
    return "https://botcompany.de/files";
  }

  public static File mkdirsFor(File file) {
    return mkdirsForFile(file);
  }

  static public 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(100000, total))));
        total += n;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public File renameFile_assertTrue(File a, File b) {
    try {
      if (a.equals(b))
        return b;
      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));
      return b;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Object realMC() {
    return getThreadLocal(realMC_tl());
  }

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

  static public Comparator<String> caseInsensitiveComparator() {
    return betterCIComparator();
  }

  static public Object safeUnstructureGZFile(File f) {
    try {
      if (!fileExists(f))
        return null;
      BufferedReader reader = utf8BufferedReader(gzInputStream(f));
      return unstructure_tok(javaTokC_noMLS_onReader(reader), true, null);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Map synchronizedMap() {
    return synchroMap();
  }

  static public <A, B> Map<A, B> synchronizedMap(Map<A, B> map) {
    return synchroMap(map);
  }

  static public CharSequence subCharSequence(CharSequence s, int x) {
    return subCharSequence(s, x, s == null ? 0 : s.length());
  }

  static public CharSequence subCharSequence(CharSequence 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.subSequence(x, y);
  }

  static public int charDiff(char a, char b) {
    return (int) a - (int) b;
  }

  static public int charDiff(String a, char b) {
    return charDiff(stringToChar(a), b);
  }

  static public <A, B> LinkedHashMap<A, B> syncMapPut2_createLinkedHashMap(LinkedHashMap<A, B> map, A key, B value) {
    if (key != null)
      if (value != null) {
        if (map == null)
          map = new LinkedHashMap();
        synchronized (collectionMutex(map)) {
          map.put(key, value);
        }
      } else if (map != null)
        synchronized (collectionMutex(map)) {
          map.remove(key);
        }
    return map;
  }

  static public Object[] toArray(Collection c) {
    return toObjectArray(c);
  }

  static public <A> A[] toArray(Class<A> type, Iterable<A> c) {
    return toArray(c, type);
  }

  static public <A> A[] toArray(Iterable<A> c, Class<A> type) {
    A[] a = arrayOfType(l(c), type);
    if (a.length == 0)
      return a;
    asList(c).toArray(a);
    return a;
  }

  static public <A> A[] toArray(A[] array, Collection c) {
    if (array == null || c == null)
      return null;
    asList(c).toArray(array);
    return array;
  }

  static public Method findMethodNamed(Object obj, String method) {
    if (obj == null)
      return null;
    if (obj instanceof Class)
      return findMethodNamed((Class) obj, method);
    return findMethodNamed(obj.getClass(), method);
  }

  static public Method findMethodNamed(Class c, String method) {
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) if (m.getName().equals(method)) {
        makeAccessible(m);
        return m;
      }
      c = c.getSuperclass();
    }
    return null;
  }

  static public void upgradeJavaXAndRestart() {
    run("#1001639");
    restart();
    sleep();
  }

  static public boolean reflection_isForbiddenMethod(Method m) {
    return m.getDeclaringClass() == Object.class && eqOneOf(m.getName(), "finalize", "clone", "registerNatives");
  }

  static public TreeSet<String> caseInsensitiveSet_treeSet() {
    return new TreeSet(caseInsensitiveComparator());
  }

  static public TreeSet<String> caseInsensitiveSet_treeSet(Collection<String> c) {
    return toCaseInsensitiveSet_treeSet(c);
  }

  static public boolean equalsIgnoreCase(String a, String b) {
    return eqic(a, b);
  }

  static public boolean equalsIgnoreCase(char a, char b) {
    return eqic(a, b);
  }

  static public Method findMethod(Object o, String method, Object... args) {
    return findMethod_cached(o, method, args);
  }

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

  static public <A> List<A> dropFirstAndLast(int n, List<A> l) {
    return cloneSubList(l, n, l(l) - n);
  }

  static public <A> List<A> dropFirstAndLast(int m, int n, List<A> l) {
    return cloneSubList(l, m, l(l) - n);
  }

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

  static public String dropFirstAndLast(String s) {
    return substring(s, 1, l(s) - 1);
  }

  static public 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();
  }

  static public String collapseWord(String s) {
    if (s == null)
      return "";
    StringBuilder buf = new StringBuilder();
    for (int i = 0; i < l(s); i++) if (i == 0 || !charactersEqualIC(s.charAt(i), s.charAt(i - 1)))
      buf.append(s.charAt(i));
    return buf.toString();
  }

  static public List<String> toLowerCase(List<String> strings) {
    List<String> x = new ArrayList();
    for (String s : strings) x.add(s.toLowerCase());
    return x;
  }

  static public String[] toLowerCase(String[] strings) {
    String[] x = new String[l(strings)];
    for (int i = 0; i < l(strings); i++) x[i] = strings[i].toLowerCase();
    return x;
  }

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

  static public String firstWord2(String s) {
    s = xltrim(s);
    if (empty(s))
      return "";
    if (isLetterOrDigit(first(s)))
      return takeCharsWhile(__41 -> isLetterOrDigit(__41), s);
    else
      return "" + first(s);
  }

  static public 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 "return ((Container) c).getComponents();";
      }
    }));
  }

  static public String intToHex_flexLength(int i) {
    return Integer.toHexString(i);
  }

  static public byte[] bytesFromHex(String s) {
    return hexToBytes(s);
  }

  static public 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;
  }

  static public byte[] loadBeginningOfBinaryFile(File file, int maxBytes) {
    return loadBinaryFilePart(file, 0, maxBytes);
  }

  static public <A> List<A> newSubList(List<A> l, int startIndex, int endIndex) {
    return cloneList(subList(l, startIndex, endIndex));
  }

  static public <A> List<A> newSubList(List<A> l, int startIndex) {
    return cloneList(subList(l, startIndex));
  }

  static public <A> TreeSet<A> treeSet() {
    return new TreeSet();
  }

  static public <A> A[] arrayOfSameType(A[] a, int n) {
    return newObjectArrayOfSameType(a, n);
  }

  static public File computerIDFile() {
    return javaxDataDir("Basic Info/computer-id.txt");
  }

  static public String makeRandomID(int length) {
    return makeRandomID(length, defaultRandomGenerator());
  }

  static public 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);
  }

  static public String makeRandomID(Random r, int length) {
    return makeRandomID(length, r);
  }

  static public Rect screenBounds(GraphicsDevice screen) {
    return screen == null ? null : toRect(screen.getDefaultConfiguration().getBounds());
  }

  static public Rect screenBounds(int iScreen) {
    return screenBounds(get(screenDevices(), iScreen));
  }

  static public int screenCount() {
    return l(GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices());
  }

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

  static public <A> void addIfNotNull(MultiSet<A> ms, A a) {
    if (a != null && ms != null)
      ms.add(a);
  }

  static public File parentFile(File f) {
    return dirOfFile(f);
  }

  static public <A> List<A> newSubListOrSame(List<A> l, int startIndex) {
    return newSubListOrSame(l, startIndex, l(l));
  }

  static public <A> List<A> newSubListOrSame(List<A> l, int startIndex, int endIndex) {
    if (l == null)
      return null;
    int n = l(l);
    startIndex = max(0, startIndex);
    endIndex = min(n, endIndex);
    if (startIndex >= endIndex)
      return ll();
    if (startIndex == 0 && endIndex == n)
      return l;
    return cloneList(l.subList(startIndex, endIndex));
  }

  static public int[] takeFirstOfIntArray(int[] b, int n) {
    return subIntArray(b, 0, n);
  }

  static public int[] takeFirstOfIntArray(int n, int[] b) {
    return takeFirstOfIntArray(b, n);
  }

  static public short[] takeFirstOfShortArray(short[] b, int n) {
    return subShortArray(b, 0, n);
  }

  static public short[] takeFirstOfShortArray(int n, short[] b) {
    return takeFirstOfShortArray(b, n);
  }

  static public byte[] takeFirstOfByteArray(byte[] b, int n) {
    return subByteArray(b, 0, n);
  }

  static public byte[] takeFirstOfByteArray(int n, byte[] b) {
    return takeFirstOfByteArray(b, n);
  }

  static public double[] takeFirstOfDoubleArray(double[] b, int n) {
    return subDoubleArray(b, 0, n);
  }

  static public double[] takeFirstOfDoubleArray(int n, double[] b) {
    return takeFirstOfDoubleArray(b, n);
  }

  static public File replaceExtension(File f, String extOld, String extNew) {
    return newFile(replaceExtension(f2s(f), extOld, extNew));
  }

  static public File replaceExtension(File f, String extNew) {
    return replaceExtension(f, fileExtension(f), extNew);
  }

  static public String replaceExtension(String s, String extOld, String extNew) {
    s = dropSuffixIC(addPrefixOptIfNempty(".", extOld), s);
    return s + addPrefixOptIfNempty(".", extNew);
  }

  static public String replaceExtension(String name, String extNew) {
    return replaceExtension(name, fileExtension(name), extNew);
  }

  static public <A> List<A> replaceOrAdd(List<A> l, A a, A b) {
    if (a == null)
      l.add(b);
    else
      replace(l, a, b);
    return l;
  }

  static public <A> IF0<A> f0ToIF0(F0<A> f) {
    return f == null ? null : () -> f.get();
  }

  static public int indexOfIgnoreCase_manual(String a, String b) {
    return indexOfIgnoreCase_manual(a, b, 0);
  }

  static public int indexOfIgnoreCase_manual(String a, String b, int i) {
    int la = strL(a), lb = strL(b);
    if (la < lb)
      return -1;
    int n = la - lb;
    loop: for (; 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;
  }

  static public Rect toRect(Rectangle r) {
    return r == null ? null : new Rect(r);
  }

  static public Rect toRect(RectangularShape r) {
    return r == null ? null : toRect(r.getBounds());
  }

  static public Rect toRect(DoubleRect r) {
    if (r == null)
      return null;
    int x = iround(r.x), y = iround(r.y);
    return new Rect(x, y, iround(r.x2()) - x, iround(r.y2()) - y);
  }

  static public Rect toRect(Rect r) {
    return r;
  }

  static public String fileNameEncode_safeChars = " ";

  static public String fileNameEncode(String s) {
    s = dropLeadingDots(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);
  }

  static public JWindow loadingAnim() {
    return showLoadingAnimation();
  }

  static public JWindow loadingAnim(String text) {
    return showLoadingAnimation(text);
  }

  static public AutoCloseable temp_loadPage_silent() {
    return tempSetThreadLocal(loadPage_silent, true);
  }

  static public Class<?> hotwireSharingLibraries(String progID) {
    try {
      Pair<File, String> p = CompilerBot.compileSnippet2(progID);
      File jar = p.a;
      assertTrue(f2s(jar), jar.isFile());
      List<File> files = ll(jar);
      String dehlibs = unnull(loadTextFileFromZip(jar, "libraries"));
      List<File> myLibraries = myLibraryFiles();
      Matcher matcher = Pattern.compile("\\d+").matcher(dehlibs);
      while (matcher.find()) {
        String libID = matcher.group();
        File lib = loadLibrary(libID);
        if (myLibraries.contains(lib)) {
        } else {
          files.add(lib);
        }
      }
      JavaXClassLoaderWithParent classLoader = new JavaXClassLoaderWithParent(progID, files, myClassLoader());
      return hotwire_finish(classLoader, progID, p.b);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public void close_pcall(AutoCloseable c) {
    if (c != null) {
      try {
        c.close();
      } catch (Throwable __e) {
        printStackTrace(__e);
      }
    }
  }

  static public void preCleanUp(Object c) {
    if (c instanceof Collection) {
      for (Object o : ((Collection) c)) preCleanUp(o);
      return;
    }
    callOpt(c, "licensed_off");
    setOpt_raw(c, "ping_anyActions", true);
    setOpt_raw(c, "cleaningUp_flag", true);
  }

  static public void innerCleanUp(Object c) {
    if (!isFalse(pcallOpt(c, "cleanMeUp")))
      for (String name : sorted(methodsStartingWith(c, "cleanMeUp_"))) try {
        callOpt(c, name);
      } catch (Throwable e) {
        print("Error cleaning up: " + programID(c));
        _handleException(e);
      }
  }

  static public void innerCleanUp() {
    innerCleanUp(mc());
  }

  static public Object pcallOpt(Object o, String method, Object... args) {
    try {
      return callOpt(o, method, args);
    } catch (Throwable __e) {
      printStackTrace(__e);
    }
    return null;
  }

  static public List<Thread> registeredThreads(Object o) {
    Map<Thread, Boolean> map = (Map<Thread, Boolean>) (getOpt(o, "_registerThread_threads"));
    if (map == null)
      return ll();
    map.size();
    synchronized (map) {
      return asList(keys(map));
    }
  }

  static public List<Thread> registeredThreads() {
    _registerThread_threads.size();
    return asList(keys(_registerThread_threads));
  }

  static public String n2(long l) {
    return formatWithThousands(l);
  }

  static public String n2(AtomicLong l) {
    return n2(l.get());
  }

  static public String n2(Collection l) {
    return n2(l(l));
  }

  static public String n2(Map map) {
    return n2(l(map));
  }

  static public String n2(double l, String singular) {
    return empty(singular) ? str(l) : n2(l, singular, singular + "s");
  }

  static public String n2(double l, String singular, String plural) {
    if (fraction(l) == 0)
      return n2((long) l, singular, plural);
    else
      return l + " " + plural;
  }

  static public String n2(long l, String singular, String plural) {
    return n_fancy2(l, singular, plural);
  }

  static public String n2(long l, String singular) {
    return empty(singular) ? n2(l) : n_fancy2(l, singular, singular + "s");
  }

  static public String n2(Collection l, String singular) {
    return n2(l(l), singular);
  }

  static public String n2(Collection l, String singular, String plural) {
    return n_fancy2(l, singular, plural);
  }

  static public String n2(Map m, String singular, String plural) {
    return n_fancy2(m, singular, plural);
  }

  static public String n2(Map m, String singular) {
    return n2(l(m), singular);
  }

  static public String n2(long[] a, String singular) {
    return n2(l(a), singular);
  }

  static public String n2(Object[] a, String singular) {
    return n2(l(a), singular);
  }

  static public String n2(Object[] a, String singular, String plural) {
    return n_fancy2(a, singular, plural);
  }

  static public String n2(MultiSet ms, String singular, String plural) {
    return n_fancy2(ms, singular, plural);
  }

  static public void interruptThreads(Collection<Thread> threads) {
    for (Thread t : unnull(threads)) interruptThread(t);
  }

  static public void interruptThreads(Class mainClass) {
    interruptThreads(registeredThreads(mainClass));
  }

  static public void retireClassLoader(ClassLoader cl) {
    if (isJavaXClassLoader(cl))
      setOptAll(cl, "retired", true, "retiredMarker", new DefunctClassLoader());
  }

  static public CloseableIterableIterator<String> linesFromFile(File f) {
    return linesFromFile(f, null);
  }

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

  static public CloseableIterableIterator<String> linesFromFile(String path) {
    return linesFromFile(path, null);
  }

  static public CloseableIterableIterator<String> linesFromFile(String path, IResourceHolder resourceHolder) {
    return linesFromFile(newFile(path), resourceHolder);
  }

  static public void clearAllTokens(List<String> tok) {
    for (int i = 0; i < tok.size(); i++) tok.set(i, "");
  }

  static public void clearAllTokens(List<String> tok, int i, int j) {
    for (; i < j; i++) tok.set(i, "");
  }

  static public Map paramsToMap(Object... params) {
    int n = l(params);
    if (l(params) == 1 && params[0] instanceof Map)
      return (Map) params[0];
    LinkedHashMap map = new LinkedHashMap();
    for (int i = 0; i + 1 < n; i += 2) mapPut(map, params[i], params[i + 1]);
    return map;
  }

  static public Object[] mapToObjectArray(Map map) {
    List l = new ArrayList();
    for (Object o : keys(map)) {
      l.add(o);
      l.add(map.get(o));
    }
    return toObjectArray(l);
  }

  static public Object[] mapToObjectArray(Object f, Collection l) {
    int n = l(l);
    Object[] array = new Object[n];
    if (n != 0) {
      Iterator it = iterator(l);
      for (int i = 0; i < n; i++) array[i] = callF(f, it.next());
    }
    return array;
  }

  static public Object[] mapToObjectArray(Object f, Object[] l) {
    int n = l(l);
    Object[] array = new Object[n];
    for (int i = 0; i < n; i++) array[i] = callF(f, l[i]);
    return array;
  }

  static public <A> Object[] mapToObjectArray(Collection<A> l, IF1<A, Object> f) {
    return mapToObjectArray(f, l);
  }

  static public <A> Object[] mapToObjectArray(A[] l, IF1<A, Object> f) {
    return mapToObjectArray(f, l);
  }

  static public <A> Object[] mapToObjectArray(IF1<A, Object> f, A[] l) {
    int n = l(l);
    Object[] array = new Object[n];
    for (int i = 0; i < n; i++) array[i] = f.get(l[i]);
    return array;
  }

  static public <A> Object[] mapToObjectArray(IF1<A, Object> f, Collection<A> l) {
    int n = l(l);
    Object[] array = new Object[n];
    if (n != 0) {
      Iterator it = iterator(l);
      for (int i = 0; i < n; i++) array[i] = callF(f, it.next());
    }
    return array;
  }

  static public boolean substanceLookAndFeelEnabled() {
    return startsWith(getLookAndFeel(), "org.pushingpixels.");
  }

  static public 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;
  }

  static public String smartJoin(String[] args) {
    if (empty(args))
      return "";
    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);
  }

  static public String smartJoin(List<String> args) {
    return smartJoin(toStringArray(args));
  }

  static public Random defaultRandomGenerator() {
    {
      Random r = customRandomizerForThisThread();
      if (r != null)
        return r;
    }
    return ThreadLocalRandom.current();
  }

  static public Random getRandomizer(Random r) {
    return r != null ? r : defaultRandomGenerator();
  }

  static public <A> A oneOf(List<A> l) {
    if (empty(l))
      return null;
    int n = l.size();
    return n == 1 ? first(l) : l.get(defaultRandomizer().nextInt(n));
  }

  static public char oneOf(String s) {
    return empty(s) ? '?' : s.charAt(random(l(s)));
  }

  static public String oneOf(String... l) {
    return oneOf(asList(l));
  }

  static public <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;
  }

  static public <A, B> Pair<A, B> entryToPair(Map.Entry<A, B> e) {
    return mapEntryToPair(e);
  }

  static public <A, B> Set<Map.Entry<A, B>> entries(Map<A, B> map) {
    return _entrySet(map);
  }

  static public <A> AutoCloseable tempSetTL(ThreadLocal<A> tl, A a) {
    return tempSetThreadLocal(tl, a);
  }

  static public void setOptIfNotNull(Object o, String field, Object value) {
    if (value != null)
      setOpt(o, field, value);
  }

  static public Object mainBot;

  static public Object getMainBot() {
    return mainBot;
  }

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

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

  static public <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;
    }
  }

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

  static public void addDirectMenuItem(JMenuBar mb, String text, Object action) {
    if (mb != null) {
      swing(() -> {
        addDirectMenuItem(mb, directJMenuItem(text, action));
      });
    }
  }

  static public void addDirectMenuItem(Component c, String text, Object action) {
    addDirectMenuItem(addMenuBar(c), text, action);
  }

  static public void addDirectMenuItem(JMenuBar mb, JMenuItem menuItem) {
    if (mb != null) {
      swing(() -> {
        mb.add(menuItem);
        revalidate(mb);
      });
    }
  }

  static public <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;
  }

  static public <A> Set<A> synchroWeakHashSet() {
    return Collections.newSetFromMap((Map) newWeakHashMap());
  }

  static public Rectangle toRectangle(Rect r) {
    return r == null ? null : r.getRectangle();
  }

  static public Dimension getScreenSize() {
    return Toolkit.getDefaultToolkit().getScreenSize();
  }

  static public boolean isAllUpperCase(String s) {
    return hasLettersAllUpperCase(s);
  }

  static public boolean isUpperCaseLetter(char c) {
    return Character.isUpperCase(c);
  }

  static public 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;
  }

  static public 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) == '[';
  }

  static public boolean checkCondition(Object condition, Object... args) {
    return isTrue(callF(condition, args));
  }

  static public <A> boolean checkCondition(IF1<A, Boolean> condition, A arg) {
    return isTrue(callF(condition, arg));
  }

  static public String fromUtf8(byte[] bytes) {
    try {
      return bytes == null ? null : new String(bytes, utf8charset());
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

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

  static public void clear(Map map) {
    if (map != null)
      map.clear();
  }

  static public <A, B> void put(Map<A, B> map, A a, B b) {
    if (map != null)
      map.put(a, b);
  }

  static public <A> void put(List<A> l, int i, A a) {
    if (l != null && i >= 0 && i < l(l))
      l.set(i, a);
  }

  static public List<Pair> _registerDangerousWeakMap_preList;

  static public <A> A _registerDangerousWeakMap(A map) {
    return _registerDangerousWeakMap(map, null);
  }

  static public <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;
  }

  static public void _onLoad_registerDangerousWeakMap() {
    assertNotNull(javax());
    if (_registerDangerousWeakMap_preList == null)
      return;
    for (Pair p : _registerDangerousWeakMap_preList) _registerDangerousWeakMap(p.a, p.b);
    _registerDangerousWeakMap_preList = null;
  }

  static public <A, B> B syncMapGet2(Map<A, B> map, A a) {
    if (map == null)
      return null;
    synchronized (collectionMutex(map)) {
      return map.get(a);
    }
  }

  static public <A, B> B syncMapGet2(A a, Map<A, B> map) {
    return syncMapGet2(map, a);
  }

  static public boolean isSubtypeOf(Class a, Class b) {
    return a != null && b != null && b.isAssignableFrom(a);
  }

  static public Set<String> reflection_classesNotToScan_value = litset("jdk.internal.loader.URLClassPath");

  static public Set<String> reflection_classesNotToScan() {
    return reflection_classesNotToScan_value;
  }

  static public boolean isFile(File f) {
    return f != null && f.isFile();
  }

  static public boolean isFile(String path) {
    return isFile(newFile(path));
  }

  static public String imageServerLink(String md5OrID) {
    if (possibleMD5(md5OrID))
      return "https://botcompany.de/images/md5/" + md5OrID;
    return imageServerLink(parseSnippetID(md5OrID));
  }

  static public String imageServerLink(long id) {
    return "https://botcompany.de/images/" + id;
  }

  static public boolean networkAllowanceTest(String url) {
    return isAllowed("networkAllowanceTest", url);
  }

  static public void sleepSeconds(double s) {
    if (s > 0)
      sleep(round(s * 1000));
  }

  static public <A> A printWithTime(A a) {
    return printWithTime("", a);
  }

  static public <A> A printWithTime(String s, A a) {
    print(hmsWithColons() + ": " + s, a);
    return a;
  }

  static public Map vm_generalSubMap(Object name) {
    synchronized (vm_generalMap()) {
      Map map = (Map) (vm_generalMap_get(name));
      if (map == null)
        vm_generalMap_put(name, map = synchroMap());
      return map;
    }
  }

  static public InputStream urlConnection_getInputStream(URLConnection con) throws IOException {
    return con.getInputStream();
  }

  static public String toHex(byte[] bytes) {
    return bytesToHex(bytes);
  }

  static public String toHex(byte[] bytes, int ofs, int len) {
    return bytesToHex(bytes, ofs, len);
  }

  static public 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;
  }

  static public int roundDownTo(int n, int x) {
    return x / n * n;
  }

  static public long roundDownTo(long n, long x) {
    return x / n * n;
  }

  static public betterCIComparator_C betterCIComparator_instance;

  static public betterCIComparator_C betterCIComparator() {
    if (betterCIComparator_instance == null)
      betterCIComparator_instance = new betterCIComparator_C();
    return betterCIComparator_instance;
  }

  final static public 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;
    }
  }

  static public BufferedReader utf8BufferedReader(InputStream in) {
    return utf8bufferedReader(in);
  }

  static public BufferedReader utf8BufferedReader(File f) {
    return utf8bufferedReader(f);
  }

  static public char stringToChar(String s) {
    if (l(s) != 1)
      throw fail("bad stringToChar: " + s);
    return firstChar(s);
  }

  static public Class run(String progID, String... args) {
    Class main = hotwire(progID);
    callMain(main, args);
    return main;
  }

  static public TreeSet<String> toCaseInsensitiveSet_treeSet(Iterable<String> c) {
    if (isCISet(c))
      return (TreeSet) c;
    TreeSet<String> set = caseInsensitiveSet_treeSet();
    addAll(set, c);
    return set;
  }

  static public TreeSet<String> toCaseInsensitiveSet_treeSet(String... x) {
    TreeSet<String> set = caseInsensitiveSet_treeSet();
    addAll(set, x);
    return set;
  }

  static public boolean charactersEqualIC(char c1, char c2) {
    if (c1 == c2)
      return true;
    char u1 = Character.toUpperCase(c1);
    char u2 = Character.toUpperCase(c2);
    if (u1 == u2)
      return true;
    return Character.toLowerCase(u1) == Character.toLowerCase(u2);
  }

  static public String xltrim(String s) {
    int i = 0, n = l(s);
    while (i < n && contains(" \t\r\n", s.charAt(i))) ++i;
    return substr(s, i);
  }

  static public String takeCharsWhile(String s, Object pred) {
    int i = 0;
    while (i < l(s) && isTrue(callF(pred, s.charAt(i)))) ++i;
    return substring(s, 0, i);
  }

  static public String takeCharsWhile(IF1<Character, Boolean> f, String s) {
    return takeCharsWhile(s, f);
  }

  static public 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);
    }
  }

  static public <A> A[] newObjectArrayOfSameType(A[] a) {
    return newObjectArrayOfSameType(a, a.length);
  }

  static public <A> A[] newObjectArrayOfSameType(A[] a, int n) {
    return (A[]) Array.newInstance(a.getClass().getComponentType(), n);
  }

  static public List<GraphicsDevice> screenDevices() {
    return asList(GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices());
  }

  static public File dirOfFile(File f) {
    return f == null ? null : f.getParentFile();
  }

  static public int[] subIntArray(int[] b, int start) {
    return subIntArray(b, start, l(b));
  }

  static public int[] subIntArray(int[] 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 int[0];
    int[] x = new int[end - start];
    System.arraycopy(b, start, x, 0, end - start);
    return x;
  }

  static public short[] subShortArray(short[] 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 short[0];
    short[] x = new short[end - start];
    System.arraycopy(b, start, x, 0, end - start);
    return x;
  }

  static public byte[] subByteArray(byte[] b, int start) {
    return subByteArray(b, start, l(b));
  }

  static public 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;
  }

  static public double[] subDoubleArray(double[] b, int start) {
    return subDoubleArray(b, start, l(b));
  }

  static public double[] subDoubleArray(double[] 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 double[0];
    double[] x = new double[end - start];
    System.arraycopy(b, start, x, 0, end - start);
    return x;
  }

  static public String fileExtension(File f) {
    if (f == null)
      return null;
    return fileExtension(f.getName());
  }

  static public String fileExtension(String s) {
    return substring(s, smartLastIndexOf(s, '.'));
  }

  static public String dropSuffixIC(String suffix, String s) {
    return s == null ? null : ewic(s, suffix) ? s.substring(0, l(s) - l(suffix)) : s;
  }

  static public String addPrefixOptIfNempty(String prefix, String s) {
    return addPrefixIfNotEmpty2(prefix, s);
  }

  static public String dropLeadingDots(String s) {
    int i = 0;
    while (charAt(s, i) == '.') ++i;
    return dropFirst(s, i);
  }

  static public JWindow showLoadingAnimation() {
    return showLoadingAnimation("Hold on user...");
  }

  static public JWindow showLoadingAnimation(String text) {
    try {
      return showAnimationInTopRightCorner("#1003543", text);
    } catch (Throwable __e) {
      return null;
    }
  }

  static public String loadTextFileFromZip(File inZip, String fileName) {
    return loadTextFileFromZipFile(inZip, fileName);
  }

  static public List<File> myLibraryFiles() {
    Collection<File> files = (Collection<File>) (getOpt(myClassLoader(), "files"));
    if (files != null)
      return asList(files);
    return ll(getBytecodePathForClass(mc()));
  }

  static public ClassLoader myClassLoader() {
    return _getClass(mc()).getClassLoader();
  }

  static public Class hotwire_finish(ClassLoader classLoader, String progID, String javaSource) {
    return hotwire_finish(classLoader, progID, javaSource, "main");
  }

  static public 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);
      vmBus_send("hotwireFinished", theClass, mc());
      return theClass;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public <A> List<A> sorted(Collection<A> c, Object comparator) {
    List<A> l = cloneList(c);
    sort(l, makeComparator(comparator));
    return l;
  }

  static public <A> List<A> sorted(Collection<A> c) {
    List<A> l = cloneList(c);
    sort(l);
    return l;
  }

  static public <A> List<A> sorted(Comparator<A> comparator, Collection<A> c) {
    List<A> l = cloneList(c);
    sort(l, comparator);
    return l;
  }

  static public List<String> methodsStartingWith(Object o, final String prefix) {
    return filter(allMethodNames(o), new F1<String, Object>() {

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

      public String toString() {
        return "startsWith(s, prefix)";
      }
    });
  }

  static volatile public PersistableThrowable _handleException_lastException;

  static public List _handleException_onException = synchroList(ll((IVF1<Throwable>) (__1 -> printStackTrace2(__1))));

  static public boolean _handleException_showThreadCancellations = false;

  static public 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) {
      if (_handleException_showThreadCancellations)
        System.out.println(getStackTrace_noRecord(e2));
      return;
    }
    for (Object f : cloneList(_handleException_onException)) try {
      callF(f, e);
    } catch (Throwable e3) {
      try {
        printStackTrace2(e3);
      } catch (Throwable e4) {
        System.out.println(getStackTrace(e3));
        System.out.println(getStackTrace(e4));
      }
    }
  }

  static public String formatWithThousands(long l) {
    return formatWithThousandsSeparator(l);
  }

  static public double fraction(double d) {
    return d % 1;
  }

  static public String n_fancy2(long l, String singular, String plural) {
    return formatWithThousandsSeparator(l) + " " + trim(l == 1 ? singular : plural);
  }

  static public String n_fancy2(Collection l, String singular, String plural) {
    return n_fancy2(l(l), singular, plural);
  }

  static public String n_fancy2(Map m, String singular, String plural) {
    return n_fancy2(l(m), singular, plural);
  }

  static public String n_fancy2(Object[] a, String singular, String plural) {
    return n_fancy2(l(a), singular, plural);
  }

  static public String n_fancy2(MultiSet ms, String singular, String plural) {
    return n_fancy2(l(ms), singular, plural);
  }

  static public boolean interruptThread_verbose = false;

  static public void interruptThread(Thread t) {
    if (t == null)
      return;
    if (interruptThread_verbose)
      print("Interrupting thread " + t);
    vm_threadInterruptionReasonsMap().put(t, getStackTrace());
    t.interrupt();
    URLConnection c = (URLConnection) (vm_generalSubMap("URLConnection per thread").get(t));
    if (c != null) {
      try {
        print("Closing URLConnection of interrupted thread.");
        call(c, "disconnect");
      } catch (Throwable __e) {
        printStackTrace(__e);
      }
    }
  }

  static public boolean isJavaXClassLoader(ClassLoader cl) {
    return startsWithOneOf(className(cl), "main$JavaXClassLoader", "x30$JavaXClassLoader");
  }

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

  static public void setOptAll(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];
      setOpt(o, field, value);
    }
  }

  static public CloseableIterableIterator emptyCloseableIterableIterator_instance = new CloseableIterableIterator() {

    public Object next() {
      throw fail();
    }

    public boolean hasNext() {
      return false;
    }
  };

  static public <A> CloseableIterableIterator<A> emptyCloseableIterableIterator() {
    return emptyCloseableIterableIterator_instance;
  }

  static public CloseableIterableIterator<String> linesFromReader(Reader r) {
    return linesFromReader(r, null);
  }

  static public CloseableIterableIterator<String> linesFromReader(Reader r, IResourceHolder resourceHolder) {
    final BufferedReader br = bufferedReader(r);
    return holdResource(resourceHolder, iteratorFromFunction_f0_autoCloseable(new F0<String>() {

      public String get() {
        try {
          return readLineFromReaderWithClose(br);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "return readLineFromReaderWithClose(br);";
      }
    }, _wrapIOCloseable(r)));
  }

  static public BufferedReader utf8bufferedReader(InputStream in) {
    try {
      return in == null ? null : bufferedReader(_registerIOWrap(new InputStreamReader(in, "UTF-8"), in));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public BufferedReader utf8bufferedReader(File f) {
    try {
      return utf8bufferedReader(newFileInputStream(f));
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public String getLookAndFeel() {
    return getClassName(UIManager.getLookAndFeel());
  }

  static public Random customRandomizerForThisThread() {
    return customRandomizerForThisThread_tl().get();
  }

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

  static public <A> AutoCloseable tempSetThreadLocalIfNecessary(ThreadLocal<A> tl, A a) {
    if (tl == null)
      return null;
    A prev = tl.get();
    if (eq(prev, a))
      return null;
    tl.set(a);
    return new AutoCloseable() {

      public String toString() {
        return "tl.set(prev);";
      }

      public void close() throws Exception {
        tl.set(prev);
      }
    };
  }

  static public JMenuItem directJMenuItem(Action a) {
    return new JMenuItem(a) {

      public Dimension getMaximumSize() {
        return new Dimension(super.getPreferredSize().width, super.getMaximumSize().height);
      }
    };
  }

  static public JMenuItem directJMenuItem(String text, Object action) {
    return directJMenuItem(abstractAction(text, action));
  }

  static public boolean hasLettersAllUpperCase(String s) {
    return hasLetters(s) && !containsLowerCase(s);
  }

  static public <A> HashSet<A> litset(A... items) {
    return lithashset(items);
  }

  static public boolean possibleMD5(String s) {
    return isMD5(s);
  }

  static volatile public Object isAllowed_function;

  static volatile public boolean isAllowed_all = true;

  static public 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));
  }

  static public long round(double d) {
    return Math.round(d);
  }

  static public String round(String s) {
    return roundBracket(s);
  }

  static public String hmsWithColons() {
    return hmsWithColons(now());
  }

  static public String hmsWithColons(long time) {
    return new SimpleDateFormat("HH:mm:ss").format(time);
  }

  static public char firstChar(String s) {
    return s.charAt(0);
  }

  static public boolean isCISet(Iterable<String> l) {
    return l instanceof TreeSet && ((TreeSet) l).comparator() == caseInsensitiveComparator();
  }

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

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

  static public String addPrefixIfNotEmpty2(String prefix, String s) {
    return empty(s) ? "" : addPrefix(prefix, s);
  }

  static public String[] dropFirst(int n, String[] a) {
    return drop(n, a);
  }

  static public String[] dropFirst(String[] a) {
    return drop(1, a);
  }

  static public Object[] dropFirst(Object[] a) {
    return drop(1, a);
  }

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

  static public <A> List<A> dropFirst(int n, Iterable<A> i) {
    return dropFirst(n, toList(i));
  }

  static public <A> List<A> dropFirst(Iterable<A> i) {
    return dropFirst(toList(i));
  }

  static public <A> List<A> dropFirst(int n, List<A> l) {
    return n <= 0 ? l : new ArrayList(l.subList(Math.min(n, l.size()), l.size()));
  }

  static public <A> List<A> dropFirst(List<A> l, int n) {
    return dropFirst(n, l);
  }

  static public String dropFirst(int n, String s) {
    return substring(s, n);
  }

  static public String dropFirst(String s, int n) {
    return substring(s, n);
  }

  static public String dropFirst(String s) {
    return substring(s, 1);
  }

  static public 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);
    }
  }

  static public 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);
    }
  }

  static public File getBytecodePathForClass(Object o) {
    return getBytecodePathForClass(_getClass(o));
  }

  static public File getBytecodePathForClass(Class c) {
    try {
      return c == null ? null : new File(c.getProtectionDomain().getCodeSource().getLocation().toURI());
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public <T> void sort(T[] a, Comparator<? super T> c) {
    if (a != null)
      Arrays.sort(a, c);
  }

  static public <T> void sort(T[] a) {
    if (a != null)
      Arrays.sort(a);
  }

  static public void sort(int[] a) {
    if (a != null)
      Arrays.sort(a);
  }

  static public <T> void sort(List<T> a, Comparator<? super T> c) {
    if (a != null)
      Collections.sort(a, c);
  }

  static public void sort(List a) {
    if (a != null)
      Collections.sort(a);
  }

  static public Comparator makeComparator(final Object f) {
    if (f instanceof Comparator)
      return (Comparator) f;
    return new Comparator() {

      public int compare(Object a, Object b) {
        return (Integer) callF(f, a, b);
      }
    };
  }

  static public <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;
  }

  static public List filter(Object pred, Iterable c) {
    return filter(c, pred);
  }

  static public <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))
        x.add(o);
    return x;
  }

  static public <A, B extends A> List<B> filter(F1<A, Boolean> pred, Iterable<B> c) {
    return filter(c, pred);
  }

  static public <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))
        x.add(o);
    return x;
  }

  static public <A, B extends A> List<B> filter(B[] c, IF1<A, Boolean> pred) {
    List x = new ArrayList();
    if (c != null)
      for (B o : c) if (pred.get(o))
        x.add(o);
    return x;
  }

  static public <A, B extends A> List<B> filter(IF1<A, Boolean> pred, Iterable<B> c) {
    return filter(c, pred);
  }

  static public List<String> allMethodNames(Object o) {
    Class c = _getClass(o);
    TreeSet<String> names = new TreeSet();
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) names.add(m.getName());
      c = c.getSuperclass();
    }
    return asList(names);
  }

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

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

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

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

  static public String formatWithThousandsSeparator(long l) {
    return NumberFormat.getInstance(new Locale("en_US")).format(l);
  }

  static public BufferedReader bufferedReader(Reader r) {
    return bufferedReader(r, 8192);
  }

  static public BufferedReader bufferedReader(Reader r, int bufSize) {
    if (r == null)
      return null;
    return r instanceof BufferedReader ? (BufferedReader) r : _registerIOWrap(new BufferedReader(r, bufSize), r);
  }

  static public <A extends AutoCloseable> A holdResource(IResourceHolder holder, A a) {
    {
      if (holder != null)
        holder.add(a);
    }
    return a;
  }

  static public <A> CloseableIterableIterator<A> iteratorFromFunction_f0_autoCloseable(final F0<A> f, final AutoCloseable closeable) {
    class IFF2 extends CloseableIterableIterator<A> {

      public A a;

      public boolean done = false;

      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();
  }

  static public String readLineFromReaderWithClose(BufferedReader r) {
    try {
      String s = r.readLine();
      if (s == null)
        r.close();
      return s;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public AutoCloseable _wrapIOCloseable(final AutoCloseable c) {
    return c == null ? null : new AutoCloseable() {

      public String toString() {
        return "c.close();\r\n    _registerIO(c, null, false);";
      }

      public void close() throws Exception {
        c.close();
        _registerIO(c, null, false);
      }
    };
  }

  static public FileInputStream newFileInputStream(File path) throws IOException {
    return newFileInputStream(path.getPath());
  }

  static public FileInputStream newFileInputStream(String path) throws IOException {
    FileInputStream f = new FileInputStream(path);
    _registerIO(f, path, true);
    return f;
  }

  static public ThreadLocal<Random> customRandomizerForThisThread_tl = new ThreadLocal();

  static public ThreadLocal<Random> customRandomizerForThisThread_tl() {
    return customRandomizerForThisThread_tl;
  }

  static public boolean hasLetters(String s) {
    for (int i = 0; i < s.length(); i++) if (Character.isLetter(s.charAt(i)))
      return true;
    return false;
  }

  static public boolean containsLowerCase(String s) {
    for (int i = 0; i < l(s); i++) if (isLowerCase(s.charAt(i)))
      return true;
    return false;
  }

  static public boolean isMD5(String s) {
    return l(s) == 32 && isLowerHexString(s);
  }

  static public String roundBracket(String s) {
    return "(" + s + ")";
  }

  static public String roundBracket(Object s) {
    return roundBracket(str(s));
  }

  static public String addPrefix(String prefix, String s) {
    return s.startsWith(prefix) ? s : prefix + s;
  }

  static public String[] drop(int n, String[] a) {
    n = Math.min(n, a.length);
    String[] b = new String[a.length - n];
    System.arraycopy(a, n, b, 0, b.length);
    return b;
  }

  static public Object[] drop(int n, Object[] a) {
    n = Math.min(n, a.length);
    Object[] b = new Object[a.length - n];
    System.arraycopy(a, n, b, 0, b.length);
    return b;
  }

  static public <A> ArrayList<A> toList(A[] a) {
    return asList(a);
  }

  static public ArrayList<Integer> toList(int[] a) {
    return asList(a);
  }

  static public <A> ArrayList<A> toList(Set<A> s) {
    return asList(s);
  }

  static public <A> ArrayList<A> toList(Iterable<A> s) {
    return asList(s);
  }

  static public String fromUTF8(byte[] bytes) {
    return fromUtf8(bytes);
  }

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

  static public boolean isLowerCase(char c) {
    return Character.isLowerCase(c);
  }

  static public 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;
  }

  static public 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;
  }

  final static public class _MethodCache {

    final public Class c;

    final public HashMap<String, List<Method>> cache = new HashMap();

    public _MethodCache(Class c) {
      this.c = c;
      _init();
    }

    public void _init() {
      Class _c = c;
      java.lang.Module myModule = getClass().getModule();
      boolean anyHiddenClasses = false;
      while (_c != null) {
        boolean exported = classIsExportedTo(_c, myModule);
        if (!exported)
          anyHiddenClasses = true;
        else
          for (Method m : _c.getDeclaredMethods()) if ((anyHiddenClasses || !isAbstract(m)) && !reflection_isForbiddenMethod(m))
            multiMapPut(cache, m.getName(), makeAccessible(m));
        _c = _c.getSuperclass();
      }
      for (Class intf : allInterfacesImplementedBy(c)) for (Method m : intf.getDeclaredMethods()) if ((anyHiddenClasses || m.isDefault()) && !reflection_isForbiddenMethod(m))
        multiMapPut(cache, m.getName(), makeAccessible(m));
    }

    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 Method findStaticMethod(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 (isStaticMethod(me) && call_checkArgs(me, args, false))
            return me;
        }
        return null;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }
  }

  static public class SingleThread {

    public boolean running = false;

    public void run(Object r) {
      go(r);
    }

    synchronized public boolean go(final Object runnable) {
      if (running)
        return false;
      running = true;
      startThread("Single Thread", new Runnable() {

        public void run() {
          try {
            try {
              callF(runnable);
            } finally {
              _done();
            }
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "try {\r\n        callF(runnable);\r\n      } finally {\r\n        _done();\r\n      }";
        }
      });
      return true;
    }

    synchronized public void _done() {
      running = false;
    }

    public boolean running() {
      return running;
    }
  }

  static public class Symbol implements CharSequence {

    public String text;

    public Symbol() {
    }

    public Symbol(String text, boolean dummy) {
      this.text = text;
    }

    public int hashCode() {
      return _hashCode(text);
    }

    public String toString() {
      return text;
    }

    public boolean equals(Object o) {
      return this == o;
    }

    public int length() {
      return text.length();
    }

    public char charAt(int index) {
      return text.charAt(index);
    }

    public CharSequence subSequence(int start, int end) {
      return text.substring(start, end);
    }
  }

  static public class Var<A> implements IVar<A>, ISetter<A> {

    public Var() {
    }

    public Var(A v) {
      this.v = v;
    }

    public A 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 void clear() {
      set(null);
    }

    public String toString() {
      return str(this.get());
    }
  }

  static public class DefunctClassLoader {
  }

  static public class BetterThread extends Thread {

    public Runnable target;

    public BetterThread(Runnable target) {
      this.target = target;
      _created();
    }

    public BetterThread(Runnable target, String name) {
      super(name);
      this.target = target;
      _created();
    }

    public void _created() {
      vmBus_send("threadCreated", this);
    }

    public void run() {
      try {
        try {
          vmBus_send("threadStarted", this);
          if (target != null)
            target.run();
        } finally {
          vmBus_send("threadEnded", this);
        }
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public Runnable getTarget() {
      return target;
    }
  }

  static public interface ITokCondition {

    public boolean get(List<String> tok, int i);
  }

  static abstract public class TokCondition implements ITokCondition {

    public abstract boolean get(List<String> tok, int i);
  }

  static abstract public class LiveValue<A> implements IGetterWithNotify<A> {

    abstract public Class<A> getType();

    public abstract A get();
  }

  static public class Dyn_FieldWatcher implements AutoCloseable {

    public DynModule module;

    public String field;

    public Object value;

    public Runnable action;

    public Runnable changeListener = new Runnable() {

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

      public String toString() {
        return "check();";
      }
    };

    public VF1<String> fieldChangeListener = new VF1<String>() {

      public void get(String f) {
        try {
          if (eq(f, field))
            check();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "if (eq(f, field))\r\n      check();";
      }
    };

    transient public IF1<Object, Object> cloneValue;

    public Object cloneValue(Object o) {
      return cloneValue != null ? cloneValue.get(o) : cloneValue_base(o);
    }

    final public Object cloneValue_fallback(IF1<Object, Object> _f, Object o) {
      return _f != null ? _f.get(o) : cloneValue_base(o);
    }

    public Object cloneValue_base(Object o) {
      return o;
    }

    public Dyn_FieldWatcher(DynModule module, String field, Runnable action) {
      this(module, field, action, null);
    }

    public Dyn_FieldWatcher(DynModule module, String field, Runnable action, IF1 cloneValue) {
      this.cloneValue = cloneValue;
      this.action = action;
      this.field = field;
      this.module = module;
      value = cloneValue(get(module, field));
      module.onChange(changeListener);
      module.onFieldChange(fieldChangeListener);
    }

    public void check() {
      Object newValue = cloneValue(get(module, field));
      if (eq(value, newValue))
        return;
      value = newValue;
      dm_q(module, action);
    }

    public void close() {
      try {
        module.removeChangeListener(changeListener);
        module.removeFieldChangeListener(fieldChangeListener);
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }
  }

  static public class TranspileForServer implements IFieldsToList {

    public String progID;

    public TranspileForServer() {
    }

    public TranspileForServer(String progID) {
      this.progID = progID;
    }

    public String toString() {
      return shortClassName_dropNumberPrefix(this) + "(" + progID + ")";
    }

    public Object[] _fieldsToList() {
      return new Object[] { progID };
    }

    public String server = tb_mainServer();

    public String javax;

    public Pair<String, String> uploadResults;

    public void run() {
      try {
        javax = loadSnippet(progID);
        print("Source: " + l(javax));
        long time = sysNow();
        long _startTime_0 = sysNow();
        transpileRaw_silent = false;
        String java;
        try {
          AutoCloseable __2 = tempSetTL(transpileRaw_progID, progID);
          try {
            java = transpileRaw(javax);
          } finally {
            _close(__2);
          }
        } catch (Throwable e) {
          printLineContextAfterJavaCompilerError(e, loadProgramTextFile("error.java"));
          throw rethrow(e);
        }
        print("Transpiled: " + l(java));
        done2_always("Transpile", _startTime_0);
        List<String> libs = new ArrayList();
        java = findTranslators2(java, libs);
        print("Libs: " + or2(joinWithComma(libs), "-"));
        uploadResults = uploadTranspilation(progID, java, libs);
        print("Transpiled & uploaded " + fsI(progID) + "!");
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }
  }

  static public class MultiMap<A, B> {

    public Map<A, List<B>> data = new HashMap<A, List<B>>();

    public int fullSize;

    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);
        ++fullSize;
      }
    }

    public void add(A key, B value) {
      put(key, value);
    }

    public void addAll(A key, Collection<B> values) {
      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(Collection<A> keys, B value) {
      synchronized (data) {
        for (A key : unnullForIteration(keys)) put(key, value);
      }
    }

    public void putAll(A key, Collection<B> values) {
      synchronized (data) {
        if (nempty(values))
          getActual(key).addAll(values);
      }
    }

    public void putAll(Iterable<Pair<A, B>> pairs) {
      synchronized (data) {
        for (Pair<A, B> p : unnullForIteration(pairs)) put(p.a, p.b);
      }
    }

    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> getOpt(A key) {
      synchronized (data) {
        return data.get(key);
      }
    }

    public List<B> getAndClear(A key) {
      synchronized (data) {
        List<B> l = cloneList(data.get(key));
        remove(key);
        return l;
      }
    }

    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()) {
          fullSize -= l(list);
          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) {
        fullSize -= l(this.getOpt(key));
        data.remove(key);
      }
    }

    final public void remove(Pair<A, B> p) {
      removePair(p);
    }

    public void removePair(Pair<A, B> p) {
      if (p != null)
        remove(p.a, p.b);
    }

    public void remove(A key, B value) {
      synchronized (data) {
        List<B> list = data.get(key);
        if (list != null) {
          if (list.remove(value))
            fullSize--;
          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 void putAll(Map<A, B> map) {
      synchronized (data) {
        if (map != null)
          for (Map.Entry<A, B> e : map.entrySet()) put(e.getKey(), e.getValue());
      }
    }

    final public int keyCount() {
      return keysSize();
    }

    public int keysSize() {
      synchronized (data) {
        return l(data);
      }
    }

    final public int fullSize() {
      return size();
    }

    public int size() {
      synchronized (data) {
        return fullSize;
      }
    }

    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 Collection<List<B>> values() {
      return allLists();
    }

    public List<B> allValues() {
      return concatLists(data.values());
    }

    public Object mutex() {
      return data;
    }

    public String toString() {
      return "mm" + str(data);
    }
  }

  static public class SimpleLiveValue<A> extends LiveValue<A> implements IVarWithNotify<A> {

    transient public Set<Runnable> onChange;

    public SimpleLiveValue<A> onChange(Runnable r) {
      onChange = createOrAddToSyncLinkedHashSet(onChange, r);
      return this;
    }

    public SimpleLiveValue<A> removeChangeListener(Runnable r) {
      main.remove(onChange, r);
      return this;
    }

    public void change() {
      pcallFAll(onChange);
    }

    public Class<A> type;

    volatile public A value;

    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 fireChanged() {
      change();
    }

    public void set(A a) {
      if (neq(value, a)) {
        value = a;
        fireChanged();
      }
    }
  }

  public interface IHasChangeListeners {

    public IHasChangeListeners onChange(Runnable r);

    public IHasChangeListeners removeChangeListener(Runnable r);

    default public IHasChangeListeners onChangeAndNow(Runnable l) {
      onChange(l);
      callF(l);
      return this;
    }
  }

  static public class SnippetSelectForm {

    public VF1<String> onSelected;

    public String snippetTitle;

    public String forceType;

    public JDesktopPane desktop = mainDesktopPane();

    public Container frame;

    public JList list;

    public JTextField tfCmd;

    public JLabel status;

    public JButton btnReload, btnRun, btnClear, btnOK;

    public String submittedInput;

    volatile public boolean searching = false;

    public long lastSearch;

    public int searchDelay = 100;

    public int maxResults = 100;

    public int autoResearchInterval = 30000;

    public List<String> actionHistory = synchroList();

    public SnippetSelectForm() {
    }

    public SnippetSelectForm(VF1<String> onSelected) {
      this.onSelected = onSelected;
    }

    public void go() {
      swing(() -> {
        frame = showFramePossiblyInternal(desktop, "Select Snippet - " + programTitle());
        list = new JList();
        onDoubleClickAndEnter(list, new Runnable() {

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

          public String toString() {
            return "ok()";
          }
        });
        ActionListener go = new java.awt.event.ActionListener() {

          public void actionPerformed(java.awt.event.ActionEvent _evt) {
            try {
              tfCmd.selectAll();
              search(true);
            } catch (Throwable __e) {
              messageBox(__e);
            }
          }
        };
        btnReload = new JButton(isWindows() ? "Reload" : "\u27F3");
        btnReload.addActionListener(go);
        btnClear = new JButton("X");
        btnClear.setToolTipText("Show latest");
        btnClear.addActionListener(new java.awt.event.ActionListener() {

          public void actionPerformed(java.awt.event.ActionEvent _evt) {
            try {
              tfCmd.setText("");
            } catch (Throwable __e) {
              messageBox(__e);
            }
          }
        });
        tfCmd = new JTextField();
        btnOK = listDependentButton(list, "OK", new Runnable() {

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

          public String toString() {
            return "ok();";
          }
        });
        JPanel controls = jflow(btnClear, btnReload, btnOK);
        JPanel north = centerAndEast(withLabel("Search term:", tfCmd), controls);
        status = new JLabel(" ");
        JPanel panel = northCenterAndSouth(north, list, status);
        onEnter(tfCmd, new Runnable() {

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

          public String toString() {
            return "ok();";
          }
        });
        if (frame instanceof JFrame)
          onWindowActivated((JFrame) frame, new Runnable() {

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

            public String toString() {
              return "search(false)";
            }
          });
        installTimer(tfCmd, new Runnable() {

          public String lastContents;

          public boolean autoSearchOn = true;

          public void run() {
            String text = getInput();
            if (text.equals(lastContents)) {
              if (now() > lastSearch + autoResearchInterval || (!text.equals(submittedInput) && autoSearchOn && !searching))
                search(false);
            } else
              lastContents = text;
          }
        }, searchDelay);
        frame.add(panel);
        frame.setBounds(100, 100, 500, 400);
        search(false);
        focusLater(tfCmd);
      });
    }

    public String getInput() {
      return tfCmd.getText().trim();
    }

    public void search(String cmd, final boolean requestFocus) {
      try {
        searching = true;
        try {
          status("Searching " + quote(cmd) + "...");
          if (empty(cmd))
            cmd = "_";
          if (nempty(forceType))
            cmd += " type:" + forceType;
          List<Snippet> l = tbSearch_url(tb_mainServer() + "/tb/search.php?q=" + urlencode(cmd) + "&limit=" + maxResults + "&sort=modified" + standardCredentials());
          final DefaultListModel model = new DefaultListModel();
          for (Snippet s : l) model.addElement(s.id + " - " + s.title);
          swingLater(new Runnable() {

            public void run() {
              try {
                list.setModel(model);
                if (model.size() != 0)
                  list.setSelectedIndex(0);
                status("Found " + model.size() + (model.size() == maxResults ? "+" : "") + " snippet(s).");
                if (requestFocus)
                  tfCmd.requestFocus();
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "list.setModel(model);\r\n        if (model.size() != 0) list.setSelectedIndex(0...";
            }
          });
        } finally {
          searching = false;
        }
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public void status(final String s) {
      swingLater(new Runnable() {

        public void run() {
          try {
            status.setText(s);
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "status.setText(s);";
        }
      });
    }

    public void search(final boolean requestFocus) {
      submittedInput = getInput();
      lastSearch = now();
      final String cmd = submittedInput;
      actionHistory.add(format3("*: Searching *", now(), cmd));
      {
        startThread(new Runnable() {

          public void run() {
            try {
              search(cmd, requestFocus);
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "search(cmd, requestFocus);";
          }
        });
      }
    }

    public void ok() {
      final String s = getSelectedItem(list);
      final int i = indexOf(s, " - ");
      if (i < 0)
        return;
      snippetTitle = substring(s, i + 3);
      {
        startThread(new Runnable() {

          public void run() {
            try {
              disposePossiblyInternalFrame(frame);
              try {
                AutoCloseable __1 = holdInstance(SnippetSelectForm.this);
                try {
                  callF(onSelected, takeFirst(s, i));
                } finally {
                  _close(__1);
                }
              } catch (Throwable __e) {
                messageBox(__e);
              }
            } catch (Exception __e) {
              throw rethrow(__e);
            }
          }

          public String toString() {
            return "disposePossiblyInternalFrame(frame);\r\n      try {\r\n         AutoCloseable __1...";
          }
        });
      }
    }
  }

  static public interface IResourceLoader {

    public String loadSnippet(String snippetID);

    public String getTranspiled(String snippetID);

    public int getSnippetType(String snippetID);

    public String getSnippetTitle(String snippetID);

    public File loadLibrary(String snippetID);

    default public File pathToJavaXJar() {
      return pathToJavaxJar_noResourceLoader();
    }

    default public File getSnippetJar(String snippetID, String transpiledSrc) {
      return null;
    }
  }

  static final public class WeakHasherMap<K, V> extends AbstractMap<K, V> implements Map<K, V> {

    public Hasher hasher = null;

    final public boolean keyEquals(Object k1, Object k2) {
      return (hasher == null ? k1.equals(k2) : hasher.equals(k1, k2));
    }

    final public int keyHashCode(Object k1) {
      return (hasher == null ? k1.hashCode() : hasher.hashCode(k1));
    }

    final public WeakKey WeakKeyCreate(K k) {
      if (k == null)
        return null;
      else
        return new WeakKey(k);
    }

    final public WeakKey WeakKeyCreate(K k, ReferenceQueue<? super K> q) {
      if (k == null)
        return null;
      else
        return new WeakKey(k, q);
    }

    final public class WeakKey extends WeakReference<K> {

      public int hash;

      public WeakKey(K k) {
        super(k);
        hash = keyHashCode(k);
      }

      final public WeakKey create(K k) {
        if (k == null)
          return null;
        else
          return new WeakKey(k);
      }

      public WeakKey(K k, ReferenceQueue<? super K> q) {
        super(k, q);
        hash = keyHashCode(k);
      }

      final public WeakKey create(K k, ReferenceQueue<? super K> q) {
        if (k == null)
          return null;
        else
          return new WeakKey(k, q);
      }

      @Override
      public boolean equals(Object o) {
        if (o == null)
          return false;
        if (this == o)
          return true;
        if (!(o.getClass().equals(WeakKey.class)))
          return false;
        Object t = this.get();
        @SuppressWarnings("unchecked")
        Object u = ((WeakKey) o).get();
        if ((t == null) || (u == null))
          return false;
        if (t == u)
          return true;
        return keyEquals(t, u);
      }

      @Override
      public int hashCode() {
        return hash;
      }
    }

    public HashMap<WeakKey, V> hash;

    public ReferenceQueue<? super K> queue = new ReferenceQueue<K>();

    @SuppressWarnings("unchecked")
    final public void processQueue() {
      WeakKey wk;
      while ((wk = (WeakKey) queue.poll()) != null) {
        hash.remove(wk);
      }
    }

    public WeakHasherMap(int initialCapacity, float loadFactor) {
      hash = new HashMap<WeakKey, V>(initialCapacity, loadFactor);
    }

    public WeakHasherMap(int initialCapacity) {
      hash = new HashMap<WeakKey, V>(initialCapacity);
    }

    public WeakHasherMap() {
      hash = new HashMap<WeakKey, V>();
    }

    public WeakHasherMap(Hasher h) {
      hash = new HashMap<WeakKey, V>();
      hasher = h;
    }

    @Override
    public int size() {
      return entrySet().size();
    }

    @Override
    public boolean isEmpty() {
      return entrySet().isEmpty();
    }

    @Override
    public boolean containsKey(Object key) {
      @SuppressWarnings("unchecked")
      K kkey = (K) key;
      return hash.containsKey(WeakKeyCreate(kkey));
    }

    @Override
    public V get(Object key) {
      @SuppressWarnings("unchecked")
      K kkey = (K) key;
      return hash.get(WeakKeyCreate(kkey));
    }

    @Override
    public V put(K key, V value) {
      processQueue();
      return hash.put(WeakKeyCreate(key, queue), value);
    }

    @Override
    public V remove(Object key) {
      processQueue();
      @SuppressWarnings("unchecked")
      K kkey = (K) key;
      return hash.remove(WeakKeyCreate(kkey));
    }

    @Override
    public void clear() {
      processQueue();
      hash.clear();
    }

    @SuppressWarnings("TypeParameterShadowing")
    final public class Entry<K, V> implements Map.Entry<K, V> {

      public Map.Entry<WeakKey, V> ent;

      public K key;

      public Entry(Map.Entry<WeakKey, V> ent, K key) {
        this.ent = ent;
        this.key = key;
      }

      @Override
      public K getKey() {
        return key;
      }

      @Override
      public V getValue() {
        return ent.getValue();
      }

      @Override
      public V setValue(V value) {
        return ent.setValue(value);
      }

      final public boolean keyvalEquals(K o1, K o2) {
        return (o1 == null) ? (o2 == null) : keyEquals(o1, o2);
      }

      final public boolean valEquals(V o1, V o2) {
        return (o1 == null) ? (o2 == null) : o1.equals(o2);
      }

      @SuppressWarnings("NonOverridingEquals")
      public boolean equals(Map.Entry<K, V> e) {
        return (keyvalEquals(key, e.getKey()) && valEquals(getValue(), e.getValue()));
      }

      @Override
      public int hashCode() {
        V v;
        return (((key == null) ? 0 : keyHashCode(key)) ^ (((v = getValue()) == null) ? 0 : v.hashCode()));
      }
    }

    final public class EntrySet extends AbstractSet<Map.Entry<K, V>> {

      public Set<Map.Entry<WeakKey, V>> hashEntrySet = hash.entrySet();

      @Override
      public Iterator<Map.Entry<K, V>> iterator() {
        return new Iterator<Map.Entry<K, V>>() {

          public Iterator<Map.Entry<WeakKey, V>> hashIterator = hashEntrySet.iterator();

          public Map.Entry<K, V> next = null;

          @Override
          public boolean hasNext() {
            while (hashIterator.hasNext()) {
              Map.Entry<WeakKey, V> ent = hashIterator.next();
              WeakKey wk = ent.getKey();
              K k = null;
              if ((wk != null) && ((k = wk.get()) == null)) {
                continue;
              }
              next = new Entry<K, V>(ent, k);
              return true;
            }
            return false;
          }

          @Override
          public Map.Entry<K, V> next() {
            if ((next == null) && !hasNext())
              throw new NoSuchElementException();
            Map.Entry<K, V> e = next;
            next = null;
            return e;
          }

          @Override
          public void remove() {
            hashIterator.remove();
          }
        };
      }

      @Override
      public boolean isEmpty() {
        return !(iterator().hasNext());
      }

      @Override
      public int size() {
        int j = 0;
        for (Iterator<Map.Entry<K, V>> i = iterator(); i.hasNext(); i.next()) j++;
        return j;
      }

      @Override
      public boolean remove(Object o) {
        processQueue();
        if (!(o instanceof Map.Entry<?, ?>))
          return false;
        @SuppressWarnings("unchecked")
        Map.Entry<K, V> e = (Map.Entry<K, V>) o;
        Object ev = e.getValue();
        WeakKey wk = WeakKeyCreate(e.getKey());
        Object hv = hash.get(wk);
        if ((hv == null) ? ((ev == null) && hash.containsKey(wk)) : hv.equals(ev)) {
          hash.remove(wk);
          return true;
        }
        return false;
      }

      @Override
      public int hashCode() {
        int h = 0;
        for (Iterator<Map.Entry<WeakKey, V>> i = hashEntrySet.iterator(); i.hasNext(); ) {
          Map.Entry<WeakKey, V> ent = i.next();
          WeakKey wk = ent.getKey();
          Object v;
          if (wk == null)
            continue;
          h += (wk.hashCode() ^ (((v = ent.getValue()) == null) ? 0 : v.hashCode()));
        }
        return h;
      }
    }

    public Set<Map.Entry<K, V>> entrySet = null;

    @Override
    public Set<Map.Entry<K, V>> entrySet() {
      if (entrySet == null)
        entrySet = new EntrySet();
      return entrySet;
    }

    public K findKey(Object key) {
      processQueue();
      K kkey = (K) key;
      WeakKey wkey = WeakKeyCreate(kkey);
      WeakKey found = hashMap_findKey(hash, wkey);
      return found == null ? null : found.get();
    }
  }

  static public class ReliableSingleThread implements Runnable {

    public boolean _isTransient() {
      return true;
    }

    public Object runnable;

    public String name = "Single Thread";

    public boolean cancelBeforeTrigger = false;

    public boolean waitBetweenCancelAndTrigger = false;

    public F0<AutoCloseable> enter;

    public int cancelTimeOut = 10000;

    public boolean trigger = false;

    public Thread thread;

    public WeakReference<Thread> threadBeingCancelled;

    public List<Runnable> inserts = syncL();

    public ReliableSingleThread(Object runnable) {
      this.runnable = runnable;
    }

    public void trigger() {
      go();
    }

    synchronized public void go() {
      if (cancelBeforeTrigger)
        cancelAndPossiblyWait();
      trigger = true;
      if (!running()) {
        AutoCloseable __1 = callF(enter);
        try {
          thread = startThread(name, new Runnable() {

            public void run() {
              try {
                AutoCloseable __2 = callF(enter);
                try {
                  _run();
                } finally {
                  _close(__2);
                }
              } catch (Exception __e) {
                throw rethrow(__e);
              }
            }

            public String toString() {
              return "temp callF(enter);\r\n        _run();";
            }
          });
        } finally {
          _close(__1);
        }
      }
    }

    public void run() {
      go();
    }

    public void get() {
      go();
    }

    synchronized public boolean running() {
      return thread != null;
    }

    public void triggerAndWait() {
      trigger();
      waitUntilDone();
    }

    public void waitUntilDone() {
      while (running()) sleep(1);
    }

    public void _run() {
      try {
        while (licensed()) {
          Thread oldThread;
          synchronized (this) {
            var currentInserts = syncGetAndClear(inserts);
            pcallFAll(currentInserts);
            if (!trigger) {
              thread = null;
              break;
            }
            oldThread = getWeakRef(threadBeingCancelled);
            trigger = false;
          }
          if (oldThread != null && oldThread != currentThread())
            oldThread.join(cancelTimeOut);
          pcallF(runnable);
        }
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    synchronized public void cancel() {
      if (thread == null)
        return;
      threadBeingCancelled = new WeakReference(thread);
      cancelAndInterruptThread(thread);
      thread = null;
    }

    public void cancelAndWait() {
      Thread _thread;
      synchronized (this) {
        if (thread == null)
          return;
        _thread = thread;
        threadBeingCancelled = new WeakReference(thread);
        thread = null;
      }
      cancelAndInterruptThread(_thread);
    }

    public void cancelAndTrigger() {
      cancelAndPossiblyWait();
      trigger();
    }

    synchronized public boolean triggered() {
      return trigger;
    }

    public void cleanMeUp() {
      cancel();
    }

    public ReliableSingleThread cancelBeforeTrigger() {
      cancelBeforeTrigger = true;
      return this;
    }

    public void cancelAndPossiblyWait() {
      if (waitBetweenCancelAndTrigger)
        cancel();
    }

    public void insert(Runnable r) {
      inserts.add(r);
      trigger();
    }

    synchronized public boolean hasThread() {
      return thread != null;
    }
  }

  static public class JFastLogView_noWrap extends JComponent implements Scrollable {

    public List<String> lines = syncList();

    public boolean endsWithNewLine, verbose;

    public Dimension getPreferredScrollableViewportSize() {
      return getPreferredSize();
    }

    public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) {
      return 20;
    }

    public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction) {
      return (direction == SwingConstants.HORIZONTAL ? visibleRect.width : visibleRect.height) * 5 / 6;
    }

    public boolean getScrollableTracksViewportWidth() {
      return false;
    }

    public boolean getScrollableTracksViewportHeight() {
      return false;
    }

    public void paint(Graphics g) {
      int w = getWidth(), h = getHeight();
      g.setColor(getBackground());
      g.fillRect(0, 0, w, h);
      g.setColor(getForeground());
      FontMetrics fm = componentFontMetrics(this);
      int fh = fm.getHeight();
      Rectangle clip = g.getClipBounds();
      int start, end;
      if (clip == null) {
        start = 0;
        end = l(lines);
      } else {
        start = max(0, clip.y / fh);
        end = min(l(lines), idiv_ceil(clip.y + clip.height, fh));
      }
      int y = fm.getAscent() + start * fh;
      for (int i = start; i < end; i++) {
        String s = get(lines, i);
        if (s != null)
          g.drawString(s, 0, y);
        y += fh;
      }
    }

    public Dimension getPreferredSize() {
      FontMetrics fm = componentFontMetrics(this);
      if (fm == null)
        return new Dimension(50, 50);
      int fh = fm.getHeight();
      int w = 0;
      for (int i = 0; i < l(lines); i++) {
        String s = get(lines, i);
        w = max(w, fm.stringWidth(unnull(s)));
      }
      return new Dimension(w, fh * l(lines));
    }

    public JFastLogView_noWrap() {
    }

    public JFastLogView_noWrap(String text) {
      setText(text);
    }

    {
      componentPopupMenuItem(this, "Copy full text", new Runnable() {

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

        public String toString() {
          return "copyFullText();";
        }
      });
    }

    public boolean setLines(Collection<String> lines) {
      List<String> newList = asSyncList(lines);
      if (eq(this.lines, newList))
        return false;
      this.lines = newList;
      _revalidate(this);
      return true;
    }

    public boolean setText(String text) {
      endsWithNewLine = endsWithNewLine(text);
      return setLines(lines(text));
    }

    public void append(String text) {
      if (nempty(text))
        setText(getText() + text);
    }

    public String getText() {
      return lines_rtrimIf(!endsWithNewLine, cloneList(lines));
    }

    public void copyFullText() {
      copyTextToClipboard(getText());
    }
  }

  static public class proxy_InvocationHandler implements InvocationHandler {

    public Object target;

    public proxy_InvocationHandler() {
    }

    public proxy_InvocationHandler(Object target) {
      this.target = target;
    }

    public Object invoke(Object proxy, Method method, Object[] args) {
      return call(target, method.getName(), unnull(args));
    }
  }

  static public class ChangeTrigger implements Runnable, IFieldsToList {

    public ChangeTriggerable target;

    public ChangeTrigger() {
    }

    public ChangeTrigger(ChangeTriggerable target) {
      this.target = target;
    }

    public String toString() {
      return shortClassName_dropNumberPrefix(this) + "(" + target + ")";
    }

    public boolean equals(Object o) {
      if (!(o instanceof ChangeTrigger))
        return false;
      ChangeTrigger __1 = (ChangeTrigger) o;
      return eq(target, __1.target);
    }

    public int hashCode() {
      int h = -1239972920;
      h = boostHashCombine(h, _hashCode(target));
      return h;
    }

    public Object[] _fieldsToList() {
      return new Object[] { target };
    }

    public void run() {
      try {
        {
          if (target != null)
            target.change();
        }
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }
  }

  static public class Fail extends RuntimeException implements IFieldsToList {

    public Object[] objects;

    public Fail() {
    }

    public Fail(Object... objects) {
      this.objects = objects;
    }

    public Object[] _fieldsToList() {
      return new Object[] { objects };
    }

    public Fail(Throwable cause, Object... objects) {
      super(cause);
      this.objects = objects;
    }

    public String toString() {
      return joinNemptiesWithColon("Fail", commaCombine(getCause(), objects));
    }
  }

  static public class CompilerBot {

    static public boolean verbose = false;

    static public File compileSnippet(String snippetID) {
      return compileSnippet(snippetID, "");
    }

    static public Pair<File, String> compileSnippet2(String snippetID) {
      return compileSnippet2(snippetID, "");
    }

    static public File compileSnippet(String snippetID, String javaTarget) {
      return compileSnippet2(snippetID, javaTarget).a;
    }

    static public Pair<File, String> compileSnippet2(String snippetID, String javaTarget) {
      String transpiledSrc = getServerTranspiled2(snippetID);
      if (transpiledSrc == null)
        throw fail("Snippet not found or not public: " + 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);
    }

    static public File compile(String src) {
      return compile(src, "");
    }

    static public File compile(String src, String libs) {
      return compile(src, libs, null);
    }

    static public File compile(String src, String dehlibs, String javaTarget) {
      return compile(src, dehlibs, javaTarget, null);
    }

    static public File compile(String src, String dehlibs, String javaTarget, String progID) {
      if (verbose)
        print("Compiling " + l(src) + " chars");
      String md5 = md5(dehlibs + "\n" + src + "\n" + fsIOpt(progID));
      File jar = getJarFile(md5);
      if (jar == null || jar.length() <= 22) {
        List<String> tok = javaTok(src);
        List<String> mainClass = findMainClass(tok);
        boolean canRename = mainClass != null && useDummyMainClasses() && isSnippetID(progID) && !tok_classHasModifier(mainClass, "public");
        if (verbose)
          print("useRenaming: " + useDummyMainClasses() + ", canRename: " + canRename + ", progID: " + progID);
        String mainClassName = joinNemptiesWithDot(tok_packageName(tok), or(getClassDeclarationName(mainClass), "main"));
        AutoCloseable __1 = tempSetTL(javaCompileToJar_addMoreFiles, dir -> {
          if (!eq(mainClassName, "main"))
            saveTextFile(newFile(dir, "main-class"), mainClassName);
          saveTextFile(newFile(dir, manifestPathInJar()), manifestTextForMainClass(mainClassName));
        });
        try {
          javaCompileToJar_optionalRename(src, dehlibs, jar, canRename ? progID : null, progID);
        } finally {
          _close(__1);
        }
      } else {
        if (verbose)
          print("Getting classes from cache (" + jar.getAbsolutePath() + ", " + jar.length() + " bytes)");
        touchFile(jar);
      }
      return jar;
    }

    static public File getJarFile(String md5) {
      assertTrue(isMD5(md5));
      String fileName = md5 + ".jar";
      File f = newFile(destDir(), fileName);
      return fileExists(f) ? f : userDir(appendSlash(compilerBotDestDirSubName()) + fileName);
    }

    static public File destDir() {
      return compilerBotDestDir();
    }
  }

  static public 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);
    }
  }

  static public interface IResourceHolder {

    public <A extends AutoCloseable> A add(A a);

    public Collection<AutoCloseable> takeAll();
  }

  static public class JavaXClassLoaderWithParent extends JavaXClassLoader {

    public ClassLoader virtualParent;

    public JavaXClassLoaderWithParent(String progID, List<File> files, ClassLoader virtualParent) {
      super(progID, files);
      this.virtualParent = virtualParent;
    }

    public Class<?> findClass(String name) throws ClassNotFoundException {
      if (virtualParent != null && !eq(name, "main") && !name.startsWith("main$")) {
        try {
          return virtualParent.loadClass(name);
        } catch (ClassNotFoundException e) {
        }
      }
      return super.findClass(name);
    }

    public URL findResource(String name) {
      if (virtualParent != null) {
        URL url = virtualParent.getResource(name);
        if (url != null)
          return url;
      }
      return super.findResource(name);
    }

    public ClassLoader getVirtualParent() {
      return virtualParent;
    }
  }

  static public class Flag implements Runnable {

    public boolean up = false;

    public synchronized boolean raise() {
      if (!up) {
        up = true;
        notifyAll();
        return true;
      } else
        return false;
    }

    public synchronized void waitUntilUp() {
      while (!up) {
        try {
          wait();
        } catch (InterruptedException e) {
          e.printStackTrace();
        }
      }
    }

    public boolean waitUntilUp(double timeout) {
      return waitUntilUp(toMS(timeout));
    }

    public synchronized boolean waitUntilUp(long timeout) {
      if (!up) {
        try {
          wait(timeout);
        } catch (InterruptedException e) {
          e.printStackTrace();
        }
      }
      return isUp();
    }

    public synchronized boolean isUp() {
      return up;
    }

    public boolean get() {
      return isUp();
    }

    public String toString() {
      return isUp() ? "up" : "down";
    }

    public void waitForThisOr(Flag otherFlag) {
      try {
        while (!isUp() && !otherFlag.isUp()) Thread.sleep(50);
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public void run() {
      raise();
    }
  }

  public interface ChangeTriggerable {

    public void change();
  }

  static public 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 Object _serialize() {
      return ll(maxSize, cloneLinkedHashMap(this));
    }

    static public MRUCache _deserialize(List l) {
      MRUCache m = new MRUCache();
      m.maxSize = (int) first(l);
      m.putAll((LinkedHashMap) second(l));
      return m;
    }
  }

  static public interface Hasher<A> {

    public int hashCode(A a);

    public boolean equals(A a, A b);
  }

  static abstract public class CloseableIterableIterator<A> extends IterableIterator<A> implements AutoCloseable {

    public void close() throws Exception {
    }
  }

  static public interface IF2<A, B, C> {

    public C get(A a, B b);
  }

  static public interface Producer<A> {

    public A next();
  }

  static public List<String> _stickyLibs_1015780 = ll("#1013041", "#1013047", "#1013048");

  static public class EditorFrame2 implements SearchListener {

    public CollapsibleSectionPanel csp;

    public RSyntaxTextArea textArea;

    public FindDialog findDialog;

    public ReplaceDialog replaceDialog;

    public FindToolBar findToolBar;

    public ReplaceToolBar replaceToolBar;

    public StatusBar statusBar;

    public JPanel panel;

    public EditorFrame2() {
      {
        swing(() -> {
          rsyntaxTextArea_fixNumPad();
          initSearchDialogs();
          panel = new JPanel(new BorderLayout());
          csp = new CollapsibleSectionPanel();
          panel.add(csp);
          textArea = javaxSyntaxTextArea();
          RTextScrollPane sp = new RTextScrollPane(textArea);
          csp.add(sp);
          ErrorStrip errorStrip = new ErrorStrip(textArea);
          panel.add(errorStrip, BorderLayout.LINE_END);
          statusBar = new StatusBar();
          panel.add(statusBar, BorderLayout.SOUTH);
        });
      }
    }

    public void prepareFrame(RootPaneContainer f) {
      callOpt(f, "setJMenuBar", createMenuBar());
    }

    public void addItem(Action a, ButtonGroup bg, JMenu menu) {
      JRadioButtonMenuItem item = new JRadioButtonMenuItem(a);
      bg.add(item);
      menu.add(item);
    }

    public JMenuBar createMenuBar() {
      JMenuBar mb = new JMenuBar();
      JMenu menu = new JMenu("Search");
      menu.add(new JMenuItem(new ShowFindDialogAction()));
      menu.add(new JMenuItem(new ShowReplaceDialogAction()));
      menu.add(new JMenuItem(new GoToLineAction()));
      menu.addSeparator();
      int ctrl = getToolkit().getMenuShortcutKeyMask();
      int shift = InputEvent.SHIFT_MASK;
      KeyStroke ks = KeyStroke.getKeyStroke(KeyEvent.VK_F, ctrl | shift);
      Action a = csp.addBottomComponent(ks, findToolBar);
      a.putValue(Action.NAME, "Show Find Search Bar");
      menu.add(new JMenuItem(a));
      ks = KeyStroke.getKeyStroke(KeyEvent.VK_H, ctrl | shift);
      a = csp.addBottomComponent(ks, replaceToolBar);
      a.putValue(Action.NAME, "Show Replace Search Bar");
      menu.add(new JMenuItem(a));
      mb.add(menu);
      return mb;
    }

    public String getSelectedText() {
      return textArea.getSelectedText();
    }

    public void initSearchDialogs() {
      findDialog = new FindDialog((Dialog) null, this);
      replaceDialog = new ReplaceDialog((Dialog) null, this);
      SearchContext context = findDialog.getSearchContext();
      replaceDialog.setSearchContext(context);
      findToolBar = new FindToolBar(this);
      findToolBar.setSearchContext(context);
      replaceToolBar = new ReplaceToolBar(this);
      replaceToolBar.setSearchContext(context);
    }

    @Override
    public void searchEvent(SearchEvent e) {
      SearchEvent.Type type = e.getType();
      SearchContext context = e.getSearchContext();
      SearchResult result = null;
      switch(type) {
        default:
        case MARK_ALL:
          result = SearchEngine.markAll(textArea, context);
          break;
        case FIND:
          result = SearchEngine.find(textArea, context);
          if (!result.wasFound()) {
            Caret c = textArea.getCaret();
            int pos = c.getDot();
            if (context.getSearchForward()) {
              c.setDot(0);
            } else {
              c.setDot(textArea.getDocument().getLength());
            }
            result = SearchEngine.find(textArea, context);
            if (!result.wasFound()) {
              c.setDot(pos);
              UIManager.getLookAndFeel().provideErrorFeedback(textArea);
            }
          }
          break;
        case REPLACE:
          result = SearchEngine.replace(textArea, context);
          if (!result.wasFound()) {
            UIManager.getLookAndFeel().provideErrorFeedback(textArea);
          }
          break;
        case REPLACE_ALL:
          result = SearchEngine.replaceAll(textArea, context);
          JOptionPane.showMessageDialog(null, result.getCount() + " occurrences replaced.");
          break;
      }
      String text = null;
      if (result.wasFound()) {
        text = "Text found; occurrences marked: " + result.getMarkedCount();
      } else if (type == SearchEvent.Type.MARK_ALL) {
        if (result.getMarkedCount() > 0) {
          text = "Occurrences marked: " + result.getMarkedCount();
        } else {
          text = "";
        }
      } else {
        text = "Text not found";
      }
      statusBar.setText(text);
    }

    public class GoToLineAction extends AbstractAction {

      public GoToLineAction() {
        super("Go To Line...");
        int c = getToolkit().getMenuShortcutKeyMask();
        putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_L, c));
      }

      public void actionPerformed(ActionEvent e) {
        findDialog.setVisible(false);
        replaceDialog.setVisible(false);
        GoToDialog dialog = new GoToDialog((Dialog) null);
        dialog.setMaxLineNumberAllowed(textArea.getLineCount());
        showDialogOnSameScreen(dialog, panel);
        int line = dialog.getLineNumber();
        if (line > 0) {
          try {
            textArea.setCaretPosition(textArea.getLineStartOffset(line - 1));
          } catch (BadLocationException ble) {
            UIManager.getLookAndFeel().provideErrorFeedback(textArea);
            ble.printStackTrace();
          }
        }
      }
    }

    public class ShowFindDialogAction extends AbstractAction {

      public ShowFindDialogAction() {
        super("Find...");
        int c = getToolkit().getMenuShortcutKeyMask();
        putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_F, c));
      }

      public void actionPerformed(ActionEvent e) {
        replaceDialog.setVisible(false);
        showDialogOnSameScreen(findDialog, panel);
      }
    }

    public class ShowReplaceDialogAction extends AbstractAction {

      public ShowReplaceDialogAction() {
        super("Replace...");
        int c = getToolkit().getMenuShortcutKeyMask();
        putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_H, c));
      }

      public void actionPerformed(ActionEvent e) {
        findDialog.setVisible(false);
        showDialogOnSameScreen(replaceDialog, panel);
      }
    }

    static public class StatusBar extends JPanel {

      public JLabel label;

      public StatusBar() {
        label = new JLabel("Ready");
        setLayout(new BorderLayout());
        add(label, BorderLayout.LINE_START);
        add(new JLabel(new SizeGripIcon()), BorderLayout.LINE_END);
      }

      public void setText(String label) {
        main.setText(this.label, label);
      }
    }

    public void setStatus(String text) {
      statusBar.setText(text);
    }

    public void setText(String text) {
      main.setText(textArea, text);
    }

    public String getText() {
      return main.getText(textArea);
    }

    public void _setFont(final Font font) {
      swing(() -> {
        SyntaxScheme ss = textArea.getSyntaxScheme();
        ss = (SyntaxScheme) ss.clone();
        for (int i = 0; i < ss.getStyleCount(); i++) if (ss.getStyle(i) != null)
          ss.getStyle(i).font = font;
        textArea.setSyntaxScheme(ss);
        textArea.setFont(font);
      });
    }

    public Font _getFont() {
      return swing(new F0<Font>() {

        public Font get() {
          try {
            return textArea.getFont();
          } catch (Exception __e) {
            throw rethrow(__e);
          }
        }

        public String toString() {
          return "return textArea.getFont();";
        }
      });
    }

    public int _getFontSize() {
      return _getFont().getSize();
    }

    public void _setFontSize(int size) {
      _setFont(deriveFont(_getFont(), size));
    }

    public RSyntaxTextArea getTextArea() {
      return textArea;
    }

    public RSyntaxDocument getDocument() {
      return (RSyntaxDocument) textArea.getDocument();
    }

    public Toolkit getToolkit() {
      return panel.getToolkit();
    }
  }

  static public interface IVar<A> extends IF0<A> {

    public void set(A a);

    public A get();

    default public Class<A> getType() {
      return null;
    }

    default public boolean has() {
      return get() != null;
    }

    default public void clear() {
      set(null);
    }
  }

  static public interface IIntPred {

    public boolean get(int a);
  }

  public interface IVarWithNotify<A> extends IVar<A>, IF0WithChangeListeners<A> {

    default public IVarWithNotify<A> onChange(IVF1<A> r) {
      if (r == null)
        return this;
      onChange(() -> r.get(get()));
      return this;
    }

    default public IVarWithNotify<A> onChangeAndNow(IVF1<A> r) {
      if (r == null)
        return this;
      onChangeAndNow(() -> r.get(get()));
      return this;
    }
  }

  static public List<String> _stickyLibs_1400546 = ll("#1400546", "#1400547", "#1400548");

  static public interface IFieldsToList {

    public Object[] _fieldsToList();
  }

  static public class JavaXClassLoader extends URLClassLoader {

    public String progID;

    public Set<File> files = syncLinkedHashSet();

    public Set<String> libraryIDs = syncLinkedHashSet();

    public Set<String> triedToLoad = synchroSet();

    public Set<Class> loadedClasses = synchroSet();

    public boolean retired = false;

    public Object retiredMarker;

    public IF1<String, Class> findClass_extension;

    public String mainClassName;

    public boolean verbose = false;

    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;
      for (File f : unnullForIteration(files)) addFile(f);
      fixACCInClassLoader(this);
    }

    public Class<?> super_findClass(String name) throws ClassNotFoundException {
      return super.findClass(name);
    }

    public Class<?> findClass(String name) throws ClassNotFoundException {
      if (verbose)
        System.out.println(this + " findClass: " + name);
      if (findClass_extension != null) {
        Class<?> c = findClass_extension.get(name);
        if (verbose)
          System.out.println("extension returned: " + c);
        if (c != null)
          return c;
      }
      boolean triedBefore = !triedToLoad.add(name);
      try {
        Class<?> c = super.findClass(name);
        if (verbose)
          System.out.println("super.findClass returned: " + c);
        loadedClasses.add(c);
        if (eq(name, mainClassName()))
          callOpt(javax(), "registerAMainClass", c);
        return c;
      } catch (ClassNotFoundException e) {
        if (verbose)
          System.out.println(getStackTrace(e));
        throw new ClassNotFoundException("Class " + name + " not found in " + joinWithComma(map(__42 -> f2s(__42), files)) + " (progID=" + progID + ")" + (triedBefore ? ", tried to load before" : ""), e);
      }
    }

    public String toString() {
      return shortClassName(this) + "[" + systemHashCodeHex(this) + "] - " + progID;
    }

    public String mainClassName() {
      if (mainClassName == null) {
        mainClassName = "main";
        try {
          mainClassName = or2(trim(loadTextFileResource(this, "main-class")), mainClassName);
        } catch (Throwable __e) {
          printStackTrace(__e);
        }
      }
      return mainClassName;
    }

    public boolean addFile(File f, String libraryID) {
      if (nempty(libraryID))
        if (!libraryIDs.add(libraryID))
          return false;
      return addFile(f);
    }

    public boolean addFile(File f) {
      try {
        if (!files.add(f))
          return false;
        addURL(f.toURI().toURL());
        mainClassName();
        return true;
      } catch (Exception __e) {
        throw rethrow(__e);
      }
    }

    public Set<String> libraryIDs() {
      return libraryIDs;
    }

    public boolean hasLibraryID(String libraryID) {
      return libraryIDs.contains(libraryID);
    }

    transient public IF1<String, String> findLibrary;

    public String findLibrary(String libname) {
      return findLibrary != null ? findLibrary.get(libname) : findLibrary_base(libname);
    }

    final public String findLibrary_fallback(IF1<String, String> _f, String libname) {
      return _f != null ? _f.get(libname) : findLibrary_base(libname);
    }

    public String findLibrary_base(String libname) {
      return super.findLibrary(libname);
    }

    public void addURL(URL url) {
      super.addURL(url);
    }
  }

  public interface IGetterWithNotify<A> extends IF0<A>, IHasChangeListeners {
  }

  static public interface ISetter<A> {

    public void set(A a);
  }

  public interface IF0WithChangeListeners<A> extends IF0<A>, IHasChangeListeners {
  }

  static public Class<?> getClass(String name) {
    return _getClass(name);
  }

  static public Class getClass(Object o) {
    return _getClass(o);
  }

  static public Class getClass(Object realm, String name) {
    return _getClass(realm, name);
  }

  static public boolean classIsExportedTo(Class c, java.lang.Module destModule) {
    if (c == null || destModule == null)
      return false;
    java.lang.Module srcModule = c.getModule();
    String packageName = c.getPackageName();
    return srcModule.isExported(packageName, destModule);
  }

  static public <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);
  }

  static public <A, B> void multiMapPut(MultiMap<A, B> mm, A key, B value) {
    if (mm != null && key != null && value != null)
      mm.put(key, value);
  }

  static public Set<Class> allInterfacesImplementedBy(Class c) {
    if (c == null)
      return null;
    HashSet<Class> set = new HashSet();
    allInterfacesImplementedBy_find(c, set);
    return set;
  }

  static public void allInterfacesImplementedBy_find(Class c, Set<Class> set) {
    if (c.isInterface() && !set.add(c))
      return;
    do {
      for (Class intf : c.getInterfaces()) allInterfacesImplementedBy_find(intf, set);
    } while ((c = c.getSuperclass()) != null);
  }

  static public boolean call_checkArgs(Method m, Object[] args, boolean debug) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length) {
      if (debug)
        print("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++) {
      Object arg = args[i];
      if (!(arg == null ? !types[i].isPrimitive() : isInstanceX(types[i], arg))) {
        if (debug)
          print("Bad parameter " + i + ": " + arg + " vs " + types[i]);
        return false;
      }
    }
    return true;
  }

  static public Method findStaticMethod(Class c, String method, Object... args) {
    Class _c = c;
    while (c != null) {
      for (Method m : c.getDeclaredMethods()) {
        if (!m.getName().equals(method))
          continue;
        if ((m.getModifiers() & Modifier.STATIC) == 0 || !findStaticMethod_checkArgs(m, args))
          continue;
        return m;
      }
      c = c.getSuperclass();
    }
    return null;
  }

  static public boolean findStaticMethod_checkArgs(Method m, Object[] args) {
    Class<?>[] types = m.getParameterTypes();
    if (types.length != args.length)
      return false;
    for (int i = 0; i < types.length; i++) if (!(args[i] == null || isInstanceX(types[i], args[i])))
      return false;
    return true;
  }

  static public int _hashCode(Object a) {
    return a == null ? 0 : a.hashCode();
  }

  static public Q dm_q() {
    return dm_current_mandatory().q();
  }

  static public void dm_q(Runnable r) {
    dm_inQ(r);
  }

  static public void dm_q(DynModule module, Runnable r) {
    module.q().add(r);
  }

  static public <A> A dm_q(IF0<A> f) {
    return dm_evalInQ(if0ToF0(f));
  }

  static public String shortClassName_dropNumberPrefix(Object o) {
    return dropNumberPrefix(shortClassName(o));
  }

  static public void printLineContextAfterJavaCompilerError(Throwable error, String src) {
    int line = parseIntOpt(jextract("(line <int>,", str(error)));
    if (line != 0)
      printLineWithContext(src, line);
  }

  static public Pair<String, String> uploadTranspilation(String progID, String transpilation, List<String> libs) {
    String server = tb_mainServer();
    String transpilationResult = postPageWithCredentials(server + "/tb/upload-transpilation.php", "id", psI(progID), "transpilation", transpilation, "libs", lines(map(__59 -> parseSnippetID(__59), libs)), "computer", computerID());
    Matcher m = regexp("URL=/(dexcompile\\.php.*?)'", transpilationResult);
    if (!m.find())
      throw fail("Server said: " + transpilationResult);
    String url = addParamToURL(server + "/" + m.group(1), "useJarBot", 1);
    String compilationResult = postPageWithCredentials(url);
    print(compilationResult);
    boolean ok = compilationResult.contains("<title>" + "SUCCESS");
    sendToSnippetUpdatesBot((ok ? "/transpileOK" : "transpileFail") + "/" + psI(progID));
    if (!ok)
      throw fail("Server said: " + compilationResult);
    print("Transpiled & uploaded " + fsI(progID) + "!");
    return pair(transpilationResult, compilationResult);
  }

  static public <A> void remove(List<A> l, int i) {
    if (l != null && i >= 0 && i < l(l))
      l.remove(i);
  }

  static public <A> void remove(Collection<A> l, A a) {
    if (l != null)
      l.remove(a);
  }

  static public <A, B> B remove(Map<A, B> map, Object a) {
    return map == null ? null : map.remove(a);
  }

  static public void remove(BitSet bs, int i) {
    bs.clear(i);
  }

  static public <A> A getAndClear(IVar<A> v) {
    A a = v.get();
    v.set(null);
    return a;
  }

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

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

  static public <A> Set<A> keySet(MultiSet<A> ms) {
    return ms.keySet();
  }

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

  static public <A, B> int keysSize(MultiMap<A, B> mm) {
    return lKeys(mm);
  }

  static public <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;
  }

  static public <A> Set<A> createOrAddToSyncLinkedHashSet(Set<A> set, A a) {
    if (set == null)
      set = syncLinkedHashSet();
    set.add(a);
    return set;
  }

  static public void change() {
    callOpt(getOptMC("mainConcepts"), "allChanged");
  }

  static public Container showFramePossiblyInternal(JDesktopPane desktop, String title) {
    if (desktop == null)
      return showFrame(title);
    return showInternalFrame(desktop, title, null);
  }

  static public void onDoubleClickAndEnter(JTable table, Object runnable) {
    onDoubleClickOrEnter(table, runnable);
  }

  static public void onDoubleClickAndEnter(JList list, Object runnable) {
    onDoubleClickOrEnter(list, runnable);
  }

  static public String ok(Object o) {
    return format("ok *", o);
  }

  static public JButton listDependentButton(JList l, String text, Object action) {
    return listDependButton(l, jbutton(text, action));
  }

  static public JPanel jflow(Object... components) {
    JPanel panel = new JPanel(new FlowLayout());
    smartAdd(panel, components);
    return panel;
  }

  static public JComponent withLabel(String label, JComponent component) {
    return westAndCenter(jlabel(label + " "), component);
  }

  static public JComponent withLabel(JComponent label, JComponent component) {
    return westAndCenterWithMargin(label, component);
  }

  static public 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;
  }

  static public <A extends Window> A onWindowActivated(final A w, final Object r) {
    if (w != null) {
      swing(() -> {
        w.addWindowListener(new WindowAdapter() {

          public void windowActivated(WindowEvent e) {
            pcallF(r);
          }
        });
      });
    }
    return w;
  }

  static public <A extends JComponent> A focusLater(final A a) {
    awtLater(100, new Runnable() {

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

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

  static public int tbSearch_defaultMax = 3;

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

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

  static public List<Snippet> tbSearch(String query) {
    return tbSearch(tbSearch_defaultMax, query);
  }

  static public List<Snippet> tbSearch(int max, String query) {
    boolean quick = isTrue(getAndClearThreadLocal(tbSearch_quick));
    String url = tb_mainServer() + "/tb/search.php?q=" + urlencode(query) + "&limit=" + max + (quick ? "&quick=1" : "") + standardCredentials();
    return tbSearch_url(url);
  }

  static public List<Snippet> tbSearch_url(String url) {
    String page = loadPage(url);
    if (eq(tbSearch_html.get(), "want"))
      tbSearch_html.set(page);
    Matcher m = Pattern.compile(">(#\\d+)</a> - (.*?)<br>").matcher(page);
    List<Snippet> results = new ArrayList();
    while (m.find()) results.add(new Snippet(m.group(1), htmldecode(dropTags(m.group(2))), null));
    return results;
  }

  static public void disposePossiblyInternalFrame(Component c) {
    Container f = (Container) (getPossiblyInternalFrame(c));
    if (f instanceof JInternalFrame)
      disposeInternalFrame((JInternalFrame) f);
    else if (f instanceof Window)
      disposeWindow(f);
  }

  static public File pathToJavaxJar() {
    IResourceLoader rl = vm_getResourceLoader();
    if (rl != null)
      return rl.pathToJavaXJar();
    return pathToJavaxJar_noResourceLoader();
  }

  static public File pathToJavaxJar_noResourceLoader() {
    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 = x30JarServerURL();
        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);
    }
  }

  static public Method hashMap_findKey_method;

  static public <A, B> A hashMap_findKey(HashMap<A, B> map, Object key) {
    try {
      if (hashMap_findKey_method == null)
        hashMap_findKey_method = findMethodNamed(HashMap.class, "getNode");
      Map.Entry<A, B> entry = (Map.Entry) hashMap_findKey_method.invoke(map, hashMap_internalHash(key), key);
      return entry == null ? null : entry.getKey();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public int syncL(Collection l) {
    if (l == null)
      return 0;
    synchronized (collectionMutex(l)) {
      return l.size();
    }
  }

  static public int syncL(Map map) {
    if (map == null)
      return 0;
    synchronized (collectionMutex(map)) {
      return map.size();
    }
  }

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

  static public Class _run(String progID, String... args) {
    Class main = hotwire(progID);
    callMain(main, args);
    return main;
  }

  static public <A> List<A> syncGetAndClear(Collection<A> l) {
    return syncCloneAndClearList(l);
  }

  static public <A> A getWeakRef(Reference<A> ref) {
    return ref == null ? null : ref.get();
  }

  static public void cancelAndInterruptThread(Thread t) {
    if (t == null)
      return;
    cancelThread(t);
    t.interrupt();
  }

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

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

  static public 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 "return c.getPreferredSize();";
      }
    });
  }

  static public FontMetrics componentFontMetrics(JComponent c) {
    Font font = getFont(c);
    return font == null ? null : swing(new F0<FontMetrics>() {

      public FontMetrics get() {
        try {
          return c.getFontMetrics(font);
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "return c.getFontMetrics(font);";
      }
    });
  }

  static public int idiv_ceil(int a, int b) {
    return (a + b - 1) / b;
  }

  static public int idiv_ceil(long a, long b) {
    return toInt_checked((a + b - 1) / b);
  }

  static public <A> List<A> asSyncList(Iterable<A> l) {
    return asSynchroList(l);
  }

  static public <A extends Component> A _revalidate(A c) {
    return revalidate(c);
  }

  static public void _revalidate(JFrame f) {
    revalidate(f);
  }

  static public void _revalidate(JInternalFrame f) {
    revalidate(f);
  }

  static public boolean endsWithNewLine(String s) {
    return endsWith(s, "\n");
  }

  static public String lines_rtrimIf(boolean rtrim, List<String> lines) {
    return rtrim ? lines_rtrim(lines) : lines(lines);
  }

  static public int boostHashCombine(int a, int b) {
    return a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2));
  }

  static public String joinNemptiesWithColon(String... strings) {
    return joinNempties(": ", strings);
  }

  static public String joinNemptiesWithColon(Collection<String> strings) {
    return joinNempties(": ", strings);
  }

  static public String commaCombine(Object... l) {
    return joinNemptiesWithComma(flattenCollectionsAndArrays(ll(l)));
  }

  static public 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);
  }

  static public boolean useDummyMainClasses() {
    return true;
  }

  static public 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);
  }

  static public String joinNemptiesWithDot(Object... strings) {
    return joinNempties(".", strings);
  }

  static public String joinNemptiesWithDot(Iterable strings) {
    return joinNempties(".", strings);
  }

  static public 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)));
  }

  static public String tok_packageName(String src) {
    Producer<String> p = javaTokC_producer(src);
    String t = p.next();
    if (!eq(t, "package"))
      return "";
    StringBuilder buf = new StringBuilder();
    while (!eqOneOf(t = p.next(), null, ";")) buf.append(t);
    return str(buf);
  }

  static public 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))) {
        while (contains(getClassDeclarationName_skippables(), get(tok, i + 2))) i += 2;
        return tok.get(i + 2);
      }
    return null;
  }

  static public String manifestPathInJar() {
    return "META-INF/MANIFEST.MF";
  }

  static public String manifestTextForMainClass(String mainClass) {
    return "Manifest-Version: 1.0\n" + "Main-Class: " + mainClass + "\n\n";
  }

  static public boolean javaCompileToJar_useRAMDisk = false;

  static public ThreadLocal<List<File>> javaCompileToJar_localLibraries = new ThreadLocal();

  static public ThreadLocal<IVF1<File>> javaCompileToJar_addMoreFiles = new ThreadLocal();

  static public File javaCompileToJar_optionalRename(String src, File destJar, String progIDForRename) {
    return javaCompileToJar_optionalRename(src, "", destJar, progIDForRename);
  }

  static synchronized public File javaCompileToJar_optionalRename(String src, String dehlibs, File destJar, String progIDForRename) {
    return javaCompileToJar_optionalRename(src, dehlibs, destJar, progIDForRename, null);
  }

  static synchronized public 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 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 = cloneList(getAndClearTL(javaCompileToJar_localLibraries));
      Matcher m = Pattern.compile("\\d+").matcher(dehlibs);
      while (m.find()) {
        String libID = m.group();
        assertTrue(isSnippetID(libID));
        print("Adding library " + 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");
        if (!swic(e.getMessage(), "Java compiler returned errors."))
          compilerOutput = appendWithNewLine(compilerOutput, str(e));
        throw fail(compilerOutput, e);
      }
      compilerOutput = cleanJavaCompilerOutput("Annotation processing got disabled, since it requires a 1.6 compliant JVM");
      if (nempty(compilerOutput)) {
        print("Compiler said: " + compilerOutput);
      }
      if (!anyFileWithExtensionInDir(classesDir, ".class")) {
        printWithIndent("SRC> ", src);
        throw fail("No classes generated (was compiling " + nChars(src) + ")");
      }
      saveTextFile(new File(classesDir, "main.java"), src);
      if (nempty(dehlibs))
        saveTextFile(new File(classesDir, "libraries"), dehlibs);
      saveTextFile(new File(classesDir, "progID"), progID);
      callF(javaCompileToJar_addMoreFiles.get(), classesDir);
      print("Zipping: " + classesDir.getAbsolutePath() + " to " + jar.getAbsolutePath());
      dir2zip_recurse_verbose = false;
      int n = dir2zip_recurse(classesDir, jar);
      print("Files zipped: " + n);
      return jar;
    } finally {
      if (isInRAMDisk(classesDir))
        deleteDirectory(classesDir);
    }
  }

  static public File touchFile(File file) {
    try {
      closeRandomAccessFile(newRandomAccessFile(mkdirsForFile(file), "rw"));
      return file;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public String appendSlash(String s) {
    return addSlash(s);
  }

  static public String compilerBotDestDirSubName() {
    return "JavaX-Caches/Compilations";
  }

  static public File compilerBotDestDir() {
    return actualUserDir(compilerBotDestDirSubName());
  }

  static public File compilerBotDestDir(String sub) {
    return newFile(compilerBotDestDir(), sub);
  }

  static public int hashCodeFor(Object a) {
    return a == null ? 0 : a.hashCode();
  }

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

  static public Class findClass(String name) {
    synchronized (findClass_cache) {
      if (findClass_cache.containsKey(name))
        return findClass_cache.get(name);
      if (!isJavaIdentifier(name))
        return null;
      Class c;
      try {
        c = Class.forName("main$" + name);
      } catch (ClassNotFoundException e) {
        c = null;
      }
      findClass_cache.put(name, c);
      return c;
    }
  }

  static public ClassLoader getVirtualParent(ClassLoader cl) {
    return (ClassLoader) rcallOpt("getVirtualParent", cl);
  }

  static public long toMS(double seconds) {
    return (long) (seconds * 1000);
  }

  static public <A, B> LinkedHashMap<A, B> cloneLinkedHashMap(Map<A, B> map) {
    return map == null ? new LinkedHashMap() : new LinkedHashMap(map);
  }

  static public Map<Integer, Integer> rsyntaxTextArea_fixNumPad_map = litmap(KeyEvent.VK_UP, KeyEvent.VK_KP_UP, KeyEvent.VK_DOWN, KeyEvent.VK_KP_DOWN, KeyEvent.VK_LEFT, KeyEvent.VK_KP_LEFT, KeyEvent.VK_RIGHT, KeyEvent.VK_KP_RIGHT);

  static public boolean rsyntaxTextArea_fixNumPad_done = false;

  static public void rsyntaxTextArea_fixNumPad() {
    if (rsyntaxTextArea_fixNumPad_done)
      return;
    RSyntaxTextAreaDefaultInputMap inputMap = new RSyntaxTextAreaDefaultInputMap();
    for (KeyStroke key : inputMap.keys()) {
      Integer code = rsyntaxTextArea_fixNumPad_map.get(key.getKeyCode());
      if (code != null)
        inputMap.put(KeyStroke.getKeyStroke(code, key.getModifiers()), inputMap.get(key));
    }
    UIManager.put("RSyntaxTextAreaUI.inputMap", inputMap);
  }

  static public RSyntaxTextArea javaxSyntaxTextArea() {
    return swing(new F0<RSyntaxTextArea>() {

      public RSyntaxTextArea get() {
        try {
          RSyntaxTextArea textArea = new RSyntaxTextArea(1, 10);
          initSyntaxTextArea(textArea);
          textArea.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_JAVA);
          return textArea;
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "RSyntaxTextArea textArea = new RSyntaxTextArea(1, 10);\r\n    initSyntaxTextAre...";
      }
    });
  }

  static public void showDialogOnSameScreen(JDialog dialog, Component c) {
    swing(() -> {
      if (dialog == null)
        return;
      Window w = getWindow(c);
      if (w != null)
        centerWindowWithin(dialog, screenBounds_safe(screenNrOfWindow(w)));
      dialog.setVisible(true);
    });
  }

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

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

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

  static public long add(AtomicLong l, long b) {
    return l.addAndGet(b);
  }

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

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

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

  static public void fixACCInClassLoader(Object o) {
  }

  static public String systemHashCodeHex(Object o) {
    return intToHex(identityHashCode(o));
  }

  static public String loadTextFileResource(ClassLoader cl, String name) {
    return inputStreamToString(cl.getResourceAsStream(name));
  }

  static public HashSet<String> allClasses_keywords = lithashset("class", "interface", "enum", "sclass", "sinterface", "record", "srecord", "strecord", "asclass", "concept");

  static public List<List<String>> allClasses(List<String> tok) {
    List<List<String>> l = new ArrayList();
    int n = tok.size();
    HashSet<String> _allClasses_keywords = allClasses_keywords;
    for (int i = 1; i < n; i += 2) {
      String t = tok.get(i);
      if ("{".equals(t))
        i = findEndOfBlock(tok, i) - 1;
      else if (_allClasses_keywords.contains(t) && (tok_isJavaxMetaCommandLeftOf(tok, i) || !(eqGetOneOf(tok, i - 2, ".", "include") && !containsNewLine(tok.get(i - 1))))) {
        int j = i;
        while (j < n && !tok.get(j).equals("{")) j += 2;
        j = findEndOfBlock(tok, j) + 1;
        i = leftScanModifiers(tok, i);
        l.add(subList(tok, i - 1, Math.min(n, j)));
        i = j - 2;
      }
    }
    return l;
  }

  static public List<List<String>> allClasses(String text) {
    return allClasses(javaTok(text));
  }

  static public void dm_inQ(Runnable r) {
    dm_q().add(r);
  }

  static public void dm_inQ(DynModule mod, Runnable r) {
    dm_q(mod, r);
  }

  static public <A> A dm_evalInQ(F0<A> f) {
    return dm_evalInQ(dm_current_mandatory(), f);
  }

  static public <A> A dm_evalInQ(IF0<A> f) {
    return dm_evalInQ(dm_current_mandatory(), if0ToF0(f));
  }

  static public <A> A dm_evalInQ(DynModule module, F0<A> f) {
    return evalInQ(module.q(), f);
  }

  static public <A> F0<A> if0ToF0(IF0<A> f) {
    return f == null ? null : new F0<A>() {

      public A get() {
        try {
          return f.get();
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

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

  static public String dropNumberPrefix(String s) {
    return dropFirst(s, indexOfNonDigit(s));
  }

  static public void printLineWithContext(String text, int line) {
    print();
    List<String> lines = lines(text);
    for (int i = max(1, line - 5); i <= min(l(lines), line + 5); i++) print((i == line ? "* " : "  ") + "LINE " + i + ": " + lines.get(i - 1));
    print();
  }

  static public String addParamToURL(String url, Map params) {
    return appendQueryToURL(url, params);
  }

  static public String addParamToURL(String url, Object... data) {
    return appendQueryToURL(url, data);
  }

  static public void sendToSnippetUpdatesBot(String uri, Object... params) {
    try {
      loadPageWithParams(butterBotURL("#1019175") + addSlashPrefix(uri), params);
    } catch (Throwable __e) {
      print(exceptionToStringShort(__e));
    }
  }

  static public <A, B> int lKeys(MultiMap<A, B> mm) {
    return mm == null ? 0 : mm.keysSize();
  }

  static public Object getOptMC(String field) {
    return getOpt(mc(), field);
  }

  static public JInternalFrame showInternalFrame(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);
  }

  static public JInternalFrame showInternalFrame(final JDesktopPane desktop, final String title, final int x, final int y, final int w, final int h, Component contents) {
    return addInternalFrame(desktop, title, x, y, w, h, contents);
  }

  static public JInternalFrame showInternalFrame(final JDesktopPane desktop, final String title, Rect r, Component contents) {
    return addInternalFrame(desktop, title, r, contents);
  }

  static public JInternalFrame showInternalFrame(final JDesktopPane desktop, final String title, final Component contents) {
    return addInternalFrame(desktop, title, contents);
  }

  static public JInternalFrame showInternalFrame(JDesktopPane desktop, String title) {
    return addInternalFrame(desktop, title);
  }

  static public JTable onDoubleClickOrEnter(JTable table, Runnable runnable) {
    return onDoubleClickOrEnter(table, (Object) runnable);
  }

  static public JTable onDoubleClickOrEnter(final JTable table, Object runnable) {
    onDoubleClick(table, runnable);
    onEnter(table, runnable);
    return table;
  }

  static public JList onDoubleClickOrEnter(final JList list, final Object runnable) {
    onDoubleClick(list, runnable);
    onEnter(list, runnable);
    return list;
  }

  static public JTable onDoubleClickOrEnter(Object runnable, JTable table) {
    return onDoubleClickOrEnter(table, runnable);
  }

  static public String format(String pat, Object... args) {
    return format3(pat, args);
  }

  static public JButton listDependButton(JList tbl, JButton button) {
    listDependButtons(tbl, ll(button));
    return button;
  }

  static public JPanel smartAdd(JPanel panel, List parts) {
    for (Object o : parts) addToContainer(panel, wrapForSmartAdd(o));
    return panel;
  }

  static public JPanel smartAdd(JPanel panel, Object... parts) {
    return smartAdd(panel, asList(parts));
  }

  static public JPanel westAndCenterWithMargin(Component w, Component c) {
    return westAndCenter(withRightMargin(w), c);
  }

  static public JPanel westAndCenterWithMargin(int margin, Component w, Component c) {
    return westAndCenter(withRightMargin(margin, w), c);
  }

  static public void awtLater(int delay, final Object r) {
    swingLater(delay, r);
  }

  static public void awtLater(int delay, Runnable r) {
    swingLater(delay, r);
  }

  static public void awtLater(Object r) {
    swingLater(r);
  }

  static public void awtLater(double delaySeconds, Runnable r) {
    swingLater(toMS(delaySeconds), r);
  }

  static public void awtLater(JComponent component, int delay, Object r) {
    installTimer(component, r, delay, delay, false);
  }

  static public void awtLater(JFrame frame, int delay, Object r) {
    awtLater(frame.getRootPane(), delay, r);
  }

  static public String dropTags(String html) {
    return dropAllTags(html);
  }

  static public List<String> dropTags(List<String> tok) {
    return dropAllTags(tok);
  }

  static public int latestInstalledJavaX() {
    File[] files = new File(userHome(), ".javax").listFiles();
    int v = 0;
    if (files != null)
      for (File f : files) {
        Matcher m = regexpMatcher("x(\\d\\d\\d?)\\.jar", f.getName());
        if (m.matches())
          v = Math.max(v, Integer.parseInt(m.group(1)));
      }
    return v;
  }

  static public String x30JarServerURL() {
    return "http://botcompany.de:8081/x30.jar";
  }

  static public int hashMap_internalHash(Object key) {
    int h;
    return (key == null) ? 0 : (h = key.hashCode()) ^ (h >>> 16);
  }

  static public <A> List<A> syncCloneAndClearList(Collection<A> l) {
    if (l == null)
      return emptyList();
    synchronized (collectionMutex(l)) {
      List<A> l2 = cloneList(l);
      l.clear();
      return l2;
    }
  }

  static public void cancelThread(Thread t) {
    if (t == null)
      return;
    ping();
    synchronized (ping_actions) {
      ping_actions.put(t, "cancelled");
      ping_anyActions = true;
    }
  }

  static public Font getFont(JComponent c) {
    return c == null ? null : swing(new F0<Font>() {

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

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

  static public <A> List<A> asSynchroList(Iterable<A> l) {
    return syncList(cloneList(l));
  }

  static public String lines_rtrim(Collection lines) {
    return rtrim_fromLines(lines);
  }

  static public String joinNempties(String sep, Object... strings) {
    return joinStrings(sep, strings);
  }

  static public String joinNempties(String sep, Iterable strings) {
    return joinStrings(sep, strings);
  }

  static public String joinNemptiesWithComma(Object... strings) {
    return joinNempties(", ", strings);
  }

  static public String joinNemptiesWithComma(Iterable strings) {
    return joinNempties(", ", strings);
  }

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

  static public <A> List<A> reversedList(Iterable<A> l) {
    List<A> x = cloneList(l);
    Collections.reverse(x);
    return x;
  }

  static public 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);
  }

  static public List<String> codeTokensOnly(List<String> tok) {
    int n = l(tok);
    List<String> l = emptyList(n / 2);
    for (int i = 1; i < n; i += 2) l.add(tok.get(i));
    return l;
  }

  static public Producer<String> javaTokC_producer(String s) {
    return javaTokC_iterator(s);
  }

  static public Set<String> getClassDeclarationName_skippables_cache;

  static public Set<String> getClassDeclarationName_skippables() {
    if (getClassDeclarationName_skippables_cache == null)
      getClassDeclarationName_skippables_cache = getClassDeclarationName_skippables_load();
    return getClassDeclarationName_skippables_cache;
  }

  static public Set<String> getClassDeclarationName_skippables_load() {
    return litset("noeq", "mapMethodLike");
  }

  static public String dummyMainClassName(String progID) {
    return "m" + psI(progID);
  }

  static public File tempDir() {
    return makeTempDir();
  }

  static public String tok_firstClassName(List<String> tok) {
    int i = jfind(tok, "class <id>");
    return i < 0 ? null : tok.get(i + 2);
  }

  static public File tempDirPossiblyInRAMDisk() {
    File f = linux_fileInRamDisk(aGlobalID());
    if (f != null) {
      f.mkdirs();
      return f;
    }
    return makeTempDir();
  }

  static public <A> A getAndClearTL(ThreadLocal<A> tl) {
    return getAndClearThreadLocal(tl);
  }

  static public boolean loadLibraryOrSrcLib_srcLibsEnabled = true;

  static public ThreadLocal<Map<Long, File>> loadLibraryOrSrcLib_tempCache = new ThreadLocal();

  static public ThreadLocal<IF1<String, File>> loadLibraryOrSrcLib_compiler = new ThreadLocal();

  static public File loadLibraryOrSrcLib(String snippetID) {
    return loadLibraryOrSrcLib(snippetID, loadLibraryOrSrcLib_compiler.get());
  }

  static public File loadLibraryOrSrcLib(String snippetID, IF1<String, File> compiler) {
    try {
      vmBus_send("loadLibraryOrSrcLib", snippetID);
      long id = parseSnippetID(snippetID);
      if (loadLibraryOrSrcLib_tempCache.get() != null) {
        File f = loadLibraryOrSrcLib_tempCache.get().get(id);
        if (f != null) {
          print(snippetID + " from tempCache: " + f);
          return f;
        }
      }
      boolean srcLib = loadLibraryOrSrcLib_srcLibsEnabled && isMarkedAsSrcLib(snippetID);
      if (srcLib) {
        print(snippetID + " marked as src lib, compiling");
        File f;
        if (compiler != null)
          f = compiler.get(snippetID);
        else
          f = pairA(hotwire_compile(snippetID));
        print("Src lib: " + f);
        mapPut(loadLibraryOrSrcLib_tempCache.get(), id, f);
        return f;
      }
      File f = DiskSnippetCache_getLibrary(id);
      if (fileSize(f) != 0) {
        print(snippetID + " from disk cache: " + f);
        return f;
      }
      try {
        print("Trying " + snippetID + " as binary library");
        return loadDataSnippetToFile(snippetID);
      } catch (Throwable e) {
        if (loadLibraryOrSrcLib_srcLibsEnabled) {
          print("Trying " + snippetID + " as src lib");
          if (nempty(loadSnippet(snippetID))) {
            print("Is src lib.");
            markAsSrcLib(snippetID);
            return pairA(hotwire_compile(snippetID));
          }
        }
        throw rethrow(e);
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public String appendWithNewLine(String a, String b) {
    if (empty(b))
      return a;
    if (empty(a))
      return b;
    return addSuffix(a, "\n") + b;
  }

  static public String cleanJavaCompilerOutput(String s) {
    return dropPrefixTrim("Annotation processing got disabled, since it requires a 1.6 compliant JVM", s);
  }

  static public boolean anyFileWithExtensionInDir(File dir, String ext) {
    return nempty(filesWithExtension(ext, findAllFiles_noDirs(dir)));
  }

  static public <A> A printWithIndent(A o) {
    return printIndent(o);
  }

  static public <A> A printWithIndent(String indent, A o) {
    return printIndent(indent, o);
  }

  static public void printWithIndent(int indent, Object o) {
    printIndent(indent, o);
  }

  static public String nChars(long n) {
    return n2(n, "char");
  }

  static public String nChars(String s) {
    return nChars(l(s));
  }

  static public boolean dir2zip_recurse_verbose = false;

  static public int dir2zip_recurse(File inDir, File zip) {
    return dir2zip_recurse(inDir, zip, "");
  }

  static public 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);
    }
  }

  static public int dir2zip_recurse(File inDir, ZipOutputStream outZip) {
    return dir2zip_recurse(inDir, outZip, "", 0);
  }

  static public 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()) {
          if (dir2zip_recurse_verbose)
            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);
    }
  }

  static public boolean isInRAMDisk(File f) {
    return startsWithOneOf(f2s(f), "/dev/shm/", "/run/shm/");
  }

  static public void deleteDirectory(File dir) {
    deleteDirectory(dir, false, false);
  }

  static public 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();
  }

  static public void closeRandomAccessFile(RandomAccessFile f) {
    if (f != null)
      try {
        f.close();
        callJavaX("dropIO", f);
      } catch (Throwable e) {
        printStackTrace(e);
      }
  }

  static public RandomAccessFile newRandomAccessFile(File path, String mode) {
    try {
      boolean forWrite = mode.indexOf('w') >= 0;
      if (forWrite)
        mkdirsForFile(path);
      RandomAccessFile f = new RandomAccessFile(path, mode);
      callJavaX("registerIO", f, path, forWrite);
      return f;
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public String addSlash(String s) {
    return empty(s) || s.endsWith("/") ? s : s + "/";
  }

  static public File actualUserDir() {
    return new File(actualUserHome());
  }

  static public File actualUserDir(String path) {
    return new File(actualUserHome(), path);
  }

  static public Object rcallOpt(String method, Object o, Object... args) {
    return callOpt_withVarargs(o, method, args);
  }

  static public boolean initSyntaxTextArea_numPadFix = true;

  static public void initSyntaxTextArea(RSyntaxTextArea textArea) {
    swing(() -> {
      if (initSyntaxTextArea_numPadFix)
        new NumPadFixingInputMap().replaceOn(textArea);
      textArea.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_JAVA);
      textArea.setHighlightCurrentLine(false);
      textArea.setTabSize(2);
      textArea.setTabsEmulated(true);
      textArea.setCodeFoldingEnabled(false);
      textArea.setMarkOccurrences(true);
    });
  }

  static public void centerWindowWithin(Window w, Rect r) {
    if (w != null) {
      swing(() -> {
        w.setLocation(r.x + (r.w - w.getWidth()) / 2, r.y + (r.h - w.getHeight()) / 2);
      });
    }
  }

  static public int screenNrOfWindow(Window w) {
    if (w == null)
      return -1;
    Rect bounds = boundsAsRect(w);
    return indexOfMax(allScreenBounds(), screen -> area(intersectRects(bounds, screen)));
  }

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

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

  static public String intToHex(int i) {
    return bytesToHex(intToBytes(i));
  }

  static public int identityHashCode(Object o) {
    return System.identityHashCode(o);
  }

  static public String inputStreamToString(InputStream in) {
    return utf8streamToString(in);
  }

  static public int findEndOfBlock(List<String> tok, int i) {
    return tok_findEndOfBlock(tok, i);
  }

  static public boolean tok_isJavaxMetaCommandLeftOf(List<String> tok, int i) {
    int j = i - 2 * 4 - 1;
    if (j >= 0 && jfind(subList(tok, j, i), "set flag <id> .") == 1)
      return true;
    return false;
  }

  static public <A> boolean eqGetOneOf(List<A> l, int i, A... options) {
    return eqOneOf(get(l, i), options);
  }

  static public int leftScanModifiers(List<String> tok, int i) {
    return leftScanModifiers(tok, i, getJavaModifiers());
  }

  static public int leftScanModifiers(List<String> tok, int i, Collection<String> modifiers) {
    while (i > 1 && contains(modifiers, tok.get(i - 2))) i -= 2;
    return i;
  }

  static public <A> A evalInQ(Q q, final F0<A> f) {
    if (isInQ(q))
      return callF(f);
    final Var<Either<A, Throwable>> var = new Var();
    q.add(new Runnable() {

      public void run() {
        try {
          try {
            var.set(eitherA(callF(f)));
          } catch (Throwable e) {
            var.set(eitherB(e));
          }
        } catch (Exception __e) {
          throw rethrow(__e);
        }
      }

      public String toString() {
        return "try {\r\n      var.set(eitherA(callF(f)));\r\n    } catch (Throwable e) {\r\n      ...";
      }
    });
    return returnOrThrow_either(waitForVarToBeNotNull(var));
  }

  static public int indexOfNonDigit(String s) {
    int n = l(s);
    for (int i = 0; i < n; i++) if (!isDigit(s.charAt(i)))
      return i;
    return -1;
  }

  static public String loadPageWithParams(String url, Object... params) {
    return loadPage(appendQueryToURL(url, params));
  }

  static public String loadPageWithParams(String url, Map params) {
    return loadPage(appendQueryToURL(url, params));
  }

  static public String butterBotURL(String botID) {
    return "https://botcompany.de/" + psI(botID) + "/raw";
  }

  static public String addSlashPrefix(String s) {
    return addPrefix("/", s);
  }

  static public JList onDoubleClick(final JList list, final Object runnable) {
    {
      swing(() -> {
        list.addMouseListener(new MouseAdapter() {

          public void mouseClicked(MouseEvent evt) {
            if (evt.getClickCount() == 2) {
              int idx = list.locationToIndex(evt.getPoint());
              Object item = list.getModel().getElementAt(idx);
              list.setSelectedIndex(idx);
              callF(runnable, item);
            }
          }
        });
      });
    }
    return list;
  }

  static public JTable onDoubleClick(final JTable table, final Object runnable) {
    {
      swing(() -> {
        table.addMouseListener(new MouseAdapter() {

          public void mouseClicked(MouseEvent evt) {
            if (evt.getClickCount() == 2) {
              int idx = table.rowAtPoint(evt.getPoint());
              table.setRowSelectionInterval(idx, idx);
              callF(runnable, idx);
            }
          }
        });
      });
    }
    return table;
  }

  static public void onDoubleClick(final JComponent c, final Object runnable) {
    {
      swing(() -> {
        c.addMouseListener(new MouseAdapter() {

          public void mouseClicked(MouseEvent evt) {
            if (evt.getButton() == 1 && evt.getClickCount() == 2)
              callF(runnable, evt.getPoint());
          }
        });
      });
    }
  }

  static public void listDependButtons(final JList list, final List<? extends Component> buttons) {
    swing(() -> {
      for (Component c : buttons) if (c instanceof JButton) {
        final JButton b = (JButton) c;
        list.addListSelectionListener(new ListSelectionListener() {

          public void valueChanged(ListSelectionEvent e) {
            b.setEnabled(list.getSelectedIndex() >= 0);
          }
        });
        b.setEnabled(list.getSelectedIndex() >= 0);
      }
    });
  }

  static public List<String> dropAllTags(List<String> tok) {
    List<String> list = new ArrayList();
    for (int i = 0; i < l(tok); i++) {
      String t = tok.get(i);
      if (odd(i) && t.startsWith("<")) {
        list.set(list.size() - 1, list.get(list.size() - 1) + tok.get(i + 1));
        ++i;
      } else
        list.add(t);
    }
    return list;
  }

  static public String dropAllTags(String html) {
    if (!contains(html, '<'))
      return html;
    return join(dropAllTags(htmlcoarsetok(html)));
  }

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

  static public <A> A assertEquals(Object x, A y) {
    return assertEquals("", x, y);
  }

  static public <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;
  }

  static public Producer<String> javaTokC_iterator(String s) {
    return new Producer<String>() {

      final public int l = strL(s);

      public int i = 0;

      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 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;
        String t = quickSubstring(s, i, j);
        i = j;
        return t;
      }
    };
  }

  static public File makeTempDir() {
    return (File) call(getJavaX(), "TempDirMaker_make");
  }

  static public File linux_fileInRamDisk(String name) {
    if (!isLinux())
      return null;
    File dir = newFile("/dev/shm");
    if (dir.isDirectory())
      return newFile(dir, name);
    return null;
  }

  static public String aGlobalID() {
    return randomID(globalIDLength());
  }

  static public String aGlobalID(Random random) {
    return randomID(random, globalIDLength());
  }

  static public boolean isMarkedAsSrcLib(String snippetID) {
    if (snippetID == null)
      return false;
    IResourceLoader rl = vm_getResourceLoader();
    if (rl != null)
      return isJavaxCompilableSnippetType(rl.getSnippetType(snippetID));
    return fileExists(javaxCodeDir("srclibs/" + psI(snippetID)));
  }

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

  static public Object hotwire_onCompile;

  static public boolean hotwire_serially = false;

  static public Lock hotwire_overInternalBot_lock = lock();

  static public boolean hotwire_compileOnServer = false;

  static public Class<?> hotwire_overInternalBot(String progID) {
    return hotwire_overInternalBot(progID, "main");
  }

  static public Class<?> hotwire_overInternalBot(String progID, String mainClass) {
    return hotwire_overInternalBot(progID, __ -> mainClass);
  }

  static public Class<?> hotwire_overInternalBot(String progID, IF1<ClassLoader, String> calculateMainClass) {
    try {
      Pair<File, String> p;
      try {
        p = hotwire_compile(progID);
      } catch (Throwable e) {
        throw rethrow("Error hotwiring " + progID, e);
      }
      File jar = p.a;
      assertTrue(jar.getAbsolutePath(), jar.isFile());
      List<File> files = hotwire_collectJars(jar);
      JavaXClassLoader classLoader = hotwire_makeClassLoader(files);
      classLoader.progID = progID;
      String mainClass = calculateMainClass == null ? "main" : calculateMainClass.get(classLoader);
      return hotwire_finish(classLoader, progID, p.b, mainClass);
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Pair<File, String> hotwire_compile(String progID) {
    Pair<File, String> p = hotwire_compileOnServer && !isLocalSnippetID(progID) ? compileSnippetThroughServer(progID) : CompilerBot.compileSnippet2(progID);
    Lock __0 = hotwire_serially ? hotwire_overInternalBot_lock : null;
    lock(__0);
    try {
      callF(hotwire_onCompile, p);
      return p;
    } finally {
      unlock(__0);
    }
  }

  static public void markAsSrcLib(String snippetID) {
    saveTextFile(javaxCodeDir("srclibs/" + psI(snippetID)), "");
  }

  static public String addSuffix(String s, String suffix) {
    return s == null || s.endsWith(suffix) ? s : s + suffix;
  }

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

  static public List<File> filesWithExtension(String ext, List<File> files) {
    return filesEndingWith(files, addPrefixIfNotEmpty2(".", ext));
  }

  static public List<File> findAllFiles_noDirs(List dirs) {
    return findAllFiles_noDirs(asObjectArray(dirs));
  }

  static public List<File> findAllFiles_noDirs(Object... dirs) {
    List<File> l = new ArrayList();
    for (Object dir : dirs) {
      ping();
      if (dir instanceof String && ((String) dir).endsWith("/.")) {
        for (File f : listFiles(dropSuffix("/.", ((String) dir)))) {
          ping();
          if (f.isFile())
            l.add(f);
        }
      } else
        findAllFiles_noDirs_impl(toFile(dir), l);
    }
    return l;
  }

  static public void findAllFiles_noDirs_impl(File dir, List<File> l) {
    for (File f : listFiles(dir)) {
      ping();
      if (f.isDirectory())
        findAllFiles_noDirs_impl(f, l);
      else
        l.add(f);
    }
  }

  static public <A> A printIndent(A o) {
    print(indentx(str(o)));
    return o;
  }

  static public <A> A printIndent(String indent, A o) {
    print(indentx(indent, str(o)));
    return o;
  }

  static public void printIndent(int indent, Object o) {
    print(indentx(indent, str(o)));
  }

  static public List<File> sortFilesByName(List<File> l) {
    sort(l, (a, b) -> stdcompare(a.getName(), b.getName()));
    return l;
  }

  static public int deleteAllFilesInDirectory_minPathLength = 10;

  static public void deleteAllFilesInDirectory(File dir) {
    deleteAllFilesInDirectory(dir, false, false);
  }

  static public 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();
      }
    }
  }

  static public Object callJavaX(String method, Object... args) {
    return callOpt(getJavaX(), method, args);
  }

  static public Object callOpt_withVarargs(Object o, String method, Object... args) {
    try {
      if (o == null)
        return null;
      if (o instanceof Class) {
        Class c = (Class) o;
        _MethodCache cache = callOpt_getCache(c);
        Method me = cache.findMethod(method, args);
        if (me == null) {
          return null;
        }
        if ((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(method, args);
        if (me != null)
          return invokeMethod(me, o, args);
        List<Method> methods = cache.cache.get(method);
        if (methods != null)
          methodSearch: for (Method m : methods) {
            {
              if (!(m.isVarArgs()))
                continue;
            }
            Object[] newArgs = massageArgsForVarArgsCall(m, args);
            if (newArgs != null)
              return invokeMethod(m, o, newArgs);
          }
        return null;
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public Rect boundsAsRect(Component c) {
    return boundsRect(c);
  }

  static public <A> int indexOfMax(List<A> l, IF1<A, Comparable> f) {
    Best_comparable<Integer> best = new Best_comparable();
    for (int i = 0; i < l(l); i++) best.put(i, f.get(l.get(i)));
    return or(best.get(), -1);
  }

  static public List<Rect> allScreenBounds() {
    return map(__60 -> screenBounds(__60), screenDevices());
  }

  static public int area(Rect r) {
    return rectArea(r);
  }

  static public double area(DoubleRect r) {
    return r == null ? 0 : r.w * r.h;
  }

  static public Rect intersectRects(Rect a, Rect b) {
    int x = max(a.x, b.x), y = max(a.y, b.y);
    int x2 = min(a.x + a.w, b.x + b.w), y2 = min(a.y + a.h, b.y + b.h);
    return new Rect(x, y, x2 - x, y2 - y);
  }

  static public Rect intersectRects(Rect a, int x1, int y1, int w, int h) {
    if (a == null || a.x >= x1 && a.y >= y1 && a.x2() < x1 + w && a.y2() < y1 + h)
      return a;
    return rectFromPoints(max(a.x, x1), max(a.y, y1), min(a.x2(), x1 + w), min(a.y2(), y1 + h));
  }

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

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

  static public byte[] intToBytes(int i) {
    return new byte[] { (byte) (i >>> 24), (byte) (i >>> 16), (byte) (i >>> 8), (byte) i };
  }

  static public String utf8streamToString(InputStream in) {
    return readerToString(utf8bufferedReader(in));
  }

  static public int tok_findEndOfBlock(List<String> tok, int i) {
    if (tok instanceof IContentsIndexedList2)
      return tok_findEndOfBlock_IContentsIndexedList2_v2(((IContentsIndexedList2) tok), i);
    int j = i + 2, level = 1, n = l(tok);
    while (j < n) {
      String t = tok.get(j);
      if ("{".equals(t))
        ++level;
      else if ("}".equals(t))
        --level;
      if (level == 0)
        return j + 1;
      j += 2;
    }
    return n;
  }

  static public List<String> getJavaModifiers_list = litlist("static", "abstract", "public", "private", "protected", "final", "native", "volatile", "synchronized", "transient", "default");

  static public List<String> getJavaModifiers() {
    return getJavaModifiers_list;
  }

  static public boolean isInQ(Q q) {
    return q != null && isCurrentThread(q.rst.thread);
  }

  static public <A, B> Either<A, B> eitherA(A a) {
    return new Either(1, a);
  }

  static public <A, B> Either<A, B> eitherB(B b) {
    return new Either(2, b);
  }

  static public <A> A returnOrThrow_either(Either<A, Throwable> e) {
    if (isEitherB(e))
      throw rethrow(e.b());
    return eitherAOpt(e);
  }

  static public <A> A waitForVarToBeNotNull(Var<A> v) {
    try {
      synchronized (v) {
        while (!v.has()) v.wait();
        return v.get();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public boolean isDigit(char c) {
    return Character.isDigit(c);
  }

  static public List<String> htmlcoarsetok(String s) {
    List<String> tok = new ArrayList();
    int l = s == null ? 0 : s.length();
    int i = 0;
    while (i < l) {
      int j = i;
      char c;
      while (j < l) {
        if (s.charAt(j) != '<')
          ++j;
        else if (s.substring(j, Math.min(j + 4, l)).equals("<!--")) {
          j = j + 3;
          do ++j; while (j < l && !s.substring(j, Math.min(j + 3, l)).equals("-->"));
          j = Math.min(j + 3, l);
        } else {
          char d = charAt(s, j + 1);
          if (d == '/' || isLetter(d))
            break;
          else
            ++j;
        }
      }
      tok.add(s.substring(i, j));
      i = j;
      if (i >= l)
        break;
      c = s.charAt(i);
      if (c == '<') {
        ++j;
        while (j < l && s.charAt(j) != '>') ++j;
        if (j < l)
          ++j;
      }
      tok.add(s.substring(i, j));
      i = j;
    }
    if ((tok.size() & 1) == 0)
      tok.add("");
    return tok;
  }

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

  static public void assertVerbose(boolean b) {
    assertVerbose_value.set(b);
  }

  static public boolean assertVerbose() {
    return isTrue(assertVerbose_value.get());
  }

  static public <A> A assertEqualsVerbose(Object x, A y) {
    assertEqualsVerbose((String) null, x, y);
    return y;
  }

  static public <A> A assertEqualsVerbose(String msg, Object x, A y) {
    if (!eq(x, y)) {
      throw fail((nempty(msg) ? msg + ": " : "") + "expected: " + x + ", got: " + y);
    } else
      print("OK" + (empty(msg) ? "" : " " + msg) + ": " + (x));
    return y;
  }

  static public Cache<Boolean> isLinux_cache = new Cache<>(() -> isLinux_load());

  static public boolean isLinux() {
    return isLinux_cache.get();
  }

  static public Boolean isLinux_load() {
    return !isWindows() && !isMac() && !isAndroid();
  }

  static public int randomID_defaultLength = 12;

  static public String randomID(int length) {
    return makeRandomID(length);
  }

  static public String randomID(Random r, int length) {
    return makeRandomID(r, length);
  }

  static public String randomID() {
    return randomID(randomID_defaultLength);
  }

  static public String randomID(Random r) {
    return randomID(r, randomID_defaultLength);
  }

  static public int globalIDLength() {
    return 16;
  }

  static public boolean isJavaxCompilableSnippetType(int type) {
    return isJavaxCompilableSnippetTypeExceptInclude(type) || type == javaxIncludeSnippetType();
  }

  static public 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;
  }

  static public 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);
  }

  static public 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;
      boolean dontLoad = false;
      IResourceLoader rl = vm_getResourceLoader();
      if (rl != null) {
        dontLoad = true;
        File jar2 = rl.getSnippetJar(progID, transpiledSrc);
        if (jar2 != null)
          return pair(jar2, transpiledSrc);
      }
      if (!dontLoad) {
        try {
          jarData = loadBinaryPage("https://botcompany.de/jar/" + psI(progID) + "?md5=" + md5(transpiledSrc));
        } catch (Throwable __e) {
          printStackTrace(__e);
        }
      }
      if (!isJAR(jarData)) {
        if (jarData != null) {
          print(bytesToHex(takeFirstOfByteArray(8, jarData)));
          print("fallback to CompilerBot: " + fromUtf8(takeFirstOfByteArray(80, jarData)));
        }
        return CompilerBot.compileSnippet2(progID);
      }
      saveBinaryFile(jar, jarData);
    }
    return pair(jar, transpiledSrc);
  }

  static public List<File> filesEndingWith(File dir, String suffix) {
    return listFilesWithSuffix(dir, suffix);
  }

  static public 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;
  }

  static public List<File> filesEndingWith(String suffix, File dir) {
    return filesEndingWith(dir, suffix);
  }

  static public 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);
  }

  static public String indentx(String s) {
    return indentx(indent_default, s);
  }

  static public String indentx(int n, String s) {
    return dropSuffix(repeat(' ', n), indent(n, s));
  }

  static public String indentx(String indent, String s) {
    return dropSuffix(indent, indent(indent, s));
  }

  static public int stdcompare(Number a, Number b) {
    return cmp(a, b);
  }

  static public int stdcompare(String a, String b) {
    return cmp(a, b);
  }

  static public int stdcompare(long a, long b) {
    return a < b ? -1 : a > b ? 1 : 0;
  }

  static public int stdcompare(Object a, Object b) {
    return cmp(a, b);
  }

  static public File getCanonicalFile(File f) {
    try {
      return f == null ? null : f.getCanonicalFile();
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public boolean isSymLink(File f) {
    return f != null && Files.isSymbolicLink(toPath(f));
  }

  static public Rect boundsRect(Component c) {
    return toRect(getBounds(c));
  }

  static public int rectArea(Rect r) {
    return r == null ? 0 : r.w * r.h;
  }

  static public Rect rectFromPoints(int x1, int y1, int x2, int y2) {
    return pointsRect(x1, y1, x2, y2);
  }

  static public Rect rectFromPoints(Pt a, Pt b) {
    return pointsRect(a.x, a.y, b.x, b.y);
  }

  static public String readerToString(Reader r) {
    try {
      if (r == null)
        return null;
      try {
        StringBuilder buf = new StringBuilder();
        int n = 0;
        while (true) {
          int ch = r.read();
          if (ch < 0)
            break;
          buf.append((char) ch);
          ++n;
        }
        return buf.toString();
      } finally {
        r.close();
      }
    } catch (Exception __e) {
      throw rethrow(__e);
    }
  }

  static public int tok_findEndOfBlock_IContentsIndexedList2_v2(IContentsIndexedList2<String> tok, int i) {
    int n = l(tok);
    HasIndex start = new HasIndex(i);
    TreeSet<HasIndex> openers = tok.indicesOf_treeSetOfHasIndex("{");
    Iterator<HasIndex> iOpener = openers == null ? null : openers.tailSet(start, false).iterator();
    TreeSet<HasIndex> closers = tok.indicesOf_treeSetOfHasIndex("}");
    Iterator<HasIndex> iCloser = closers == null ? null : closers.tailSet(start, false).iterator();
    int level = 1;
    HasIndex nextOpener = iOpener != null && iOpener.hasNext() ? iOpener.next() : null;
    HasIndex nextCloser = iCloser != null && iCloser.hasNext() ? iCloser.next() : null;
    while (true) {
      if (nextCloser == null)
        return n;
      if (nextOpener != null && nextOpener.idx < nextCloser.idx) {
        ++level;
        nextOpener = iOpener.hasNext() ? iOpener.next() : null;
      } else {
        if (--level == 0)
          return nextCloser.idx + 1;
        nextCloser = iCloser.hasNext() ? iCloser.next() : null;
      }
    }
  }

  static public boolean isCurrentThread(Thread t) {
    return t != null && t == currentThread();
  }

  static public <A, B> boolean isEitherB(Either<A, B> e) {
    return eitherIsB(e);
  }

  static public <A, B> A eitherAOpt(Either<A, B> e) {
    return e != null && e.isA() ? e.a() : null;
  }

  static public boolean isLetter(char c) {
    return Character.isLetter(c);
  }

  static public String appendColonIfNempty(String s) {
    return empty(s) ? "" : s + ": ";
  }

  static public boolean isMac() {
    return System.getProperty("os.name").toLowerCase().contains("mac");
  }

  static public boolean isJavaxCompilableSnippetTypeExceptInclude(int type) {
    return isJavaxApplicationSnippetType(type) || isJavaxModuleSnippetType(type) || type == snippetType_dynModule();
  }

  static public int javaxIncludeSnippetType() {
    return 42;
  }

  static public List<String> hotwire_libraryIDsFromJar_deleteJarOnFail(File jar) {
    try {
      return hotwire_libraryIDsFromJar(jar);
    } catch (Throwable _e) {
      jar.delete();
      throw rethrow(_e);
    }
  }

  static public Set<String> hotwire_classesToShare = synchroSet();

  static public Set<String> hotwire_classesToShare() {
    return hotwire_classesToShare;
  }

  static public byte[] isJAR_magic = bytesFromHex("504B0304");

  static public boolean isJAR(byte[] data) {
    return byteArrayStartsWith(data, isJAR_magic);
  }

  static public boolean isJAR(File f) {
    return isJAR(loadBeginningOfBinaryFile(f, l(isJAR_magic)));
  }

  static public 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;
  }

  static public List<File> listFilesWithSuffix(String suffix, File dir) {
    return listFilesWithSuffix(dir, suffix);
  }

  static public int indent_default = 2;

  static public String indent(int indent) {
    return repeat(' ', indent);
  }

  static public String indent(int indent, String s) {
    return indent(repeat(' ', indent), s);
  }

  static public String indent(String indent, String s) {
    return indent + replace(unnull(s), "\n", "\n" + indent);
  }

  static public String indent(String s) {
    return indent(indent_default, s);
  }

  static public List<String> indent(String indent, List<String> lines) {
    List<String> l = new ArrayList();
    if (lines != null)
      for (String s : lines) l.add(indent + s);
    return l;
  }

  static public Path toPath(File f) {
    return f == null ? null : f.toPath();
  }

  static public Rectangle getBounds(final Component c) {
    return c == null ? null : swing(new F0<Rectangle>() {

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

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

  static public Rect pointsRect(int x1, int y1, int x2, int y2) {
    return new Rect(x1, y1, x2 - x1, y2 - y1);
  }

  static public <A, B> boolean eitherIsB(Either<A, B> e) {
    return e != null && e.isB();
  }

  static public boolean isJavaxApplicationSnippetType(int type) {
    return type == snippetType_javaxSource() || type == snippetType_JavaXDesktop();
  }

  static public boolean isJavaxModuleSnippetType(int type) {
    return type == snippetType_javaxModule() || type == snippetType_javaxDesktopModule();
  }

  static public int snippetType_dynModule() {
    return 57;
  }

  static public List<String> hotwire_libraryIDsFromJar(File jar) {
    String dehlibs = unnull(loadTextFileFromZip(jar, "libraries"));
    return regexpExtractAll("\\d+", dehlibs);
  }

  static public int snippetType_javaxSource() {
    return 34;
  }

  static public int snippetType_javaxModule() {
    return 54;
  }

  static public int snippetType_javaxDesktopModule() {
    return 58;
  }

  static public 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;
  }

  static public interface IContentsIndexedList2<A> extends List<A> {

    public TreeSet<HasIndex> indicesOf_treeSetOfHasIndex(A o);
  }

  static public 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;
    }
  }

  static public class Best_comparable<A> {

    public A best;

    public Comparable score;

    public boolean verboseNewBest, replaceIfSameScore;

    transient public Object onChange;

    transient public Object stringifier;

    synchronized public boolean isNewBest(Comparable score) {
      return this.score == null || (replaceIfSameScore ? cmp(score, this.score) >= 0 : cmp(score, this.score) > 0);
    }

    synchronized public Comparable bestScore() {
      return score;
    }

    public Comparable score() {
      return bestScore();
    }

    public Comparable getScore() {
      return bestScore();
    }

    synchronized public float floatScoreOr(float defaultValue) {
      return best == null ? defaultValue : (float) score;
    }

    public boolean put(Pair<? extends A, Comparable> p) {
      return p != null && put(p.a, p.b);
    }

    public boolean put(Best<? extends A> b) {
      return b != null && put(b.get(), b.score);
    }

    public boolean put(A a, Comparable score) {
      ping();
      boolean change = false;
      if (a != null)
        synchronized (this) {
          if (isNewBest(score)) {
            best = a;
            this.score = score;
            change = true;
          }
        }
      if (change) {
        if (verboseNewBest)
          print("New best! " + this);
        pcallF(onChange);
      }
      return change;
    }

    synchronized public A get() {
      return best;
    }

    synchronized public boolean has() {
      return best != null;
    }

    synchronized public Pair<A, Comparable> pair() {
      return main.pair(best, bestScore());
    }

    synchronized public A getIfScoreAbove(Comparable x) {
      return cmp(x, score()) >= 0 ? best : null;
    }

    public String toString() {
      return !has() ? "-" : "Score " + score + ": " + callStringifier(stringifier, best);
    }

    public boolean putAndPrintIfNewBest(A a, Comparable score) {
      if (!put(a, score))
        return false;
      {
        print(this);
        return true;
      }
    }

    synchronized public void clear() {
      best = null;
      score = 0;
    }
  }

  static public class Either<A, B> {

    public byte which;

    public Object value;

    public Either() {
    }

    public Either(int which, Object value) {
      this.which = (byte) which;
      this.value = value;
    }

    public boolean isA() {
      return which == 1;
    }

    public boolean isB() {
      return which == 2;
    }

    public A a() {
      if (which != 1)
        _failMe();
      return (A) value;
    }

    public B b() {
      if (which != 2)
        _failMe();
      return (B) value;
    }

    public A aOpt() {
      return which != 1 ? null : (A) value;
    }

    public B bOpt() {
      return which != 2 ? null : (B) value;
    }

    public void _failMe() {
      throw fail("Either object is of wrong type: " + shortClassName(value));
    }

    public String toString() {
      return "Either" + (isA() ? "A" : "B") + "(" + value + ")";
    }
  }

  static public class CompactLinkedHashSet<A> extends AbstractSet<A> {

    public UnsynchronizedCompactHashSet<Entry<A>> entries = new UnsynchronizedCompactHashSet();

    public Entry<A> head, tail;

    static public class Entry<A> {

      public A value;

      public Entry<A> prev, next;

      public int hashCode() {
        return _hashCode(value);
      }

      public boolean equals(Object o) {
        return o == this || eq(value, o);
      }
    }

    public boolean add(A a) {
      if (entries.contains(a))
        return false;
      Entry<A> n = new Entry();
      n.value = a;
      n.prev = tail;
      if (tail != null)
        tail.next = n;
      tail = n;
      if (head == null)
        head = n;
      entries.add(n);
      return true;
    }

    public boolean remove(Object a) {
      return remove(entries.find(a));
    }

    public boolean remove(Entry<A> node) {
      if (node == null)
        return false;
      if (node.next != null)
        node.next.prev = node.prev;
      else
        tail = node.prev;
      if (node.prev != null)
        node.prev.next = node.next;
      else
        head = node.next;
      entries.remove(node);
      return true;
    }

    public int size() {
      return entries.size();
    }

    public IterableIterator<A> iterator() {
      return new IterableIterator<A>() {

        public Entry<A> entry = head, prev = null;

        public boolean hasNext() {
          return entry != null;
        }

        public A next() {
          A a = entry.value;
          prev = entry;
          entry = entry.next;
          return a;
        }

        public void remove() {
          if (prev == null)
            throw new IllegalStateException();
          CompactLinkedHashSet.this.remove(prev);
          prev = null;
        }
      };
    }

    public void clear() {
      entries.clear();
      head = tail = null;
    }

    public boolean contains(Object a) {
      return entries.contains(a);
    }

    public A find(Object o) {
      Entry<A> e = entries.find(o);
      return e == null ? null : e.value;
    }

    public A prevElement(A a) {
      Entry<A> e = entries.find(a);
      if (e == null || e.prev == null)
        return null;
      return e.prev.value;
    }

    public A nextElement(A a) {
      Entry<A> e = entries.find(a);
      if (e == null || e.next == null)
        return null;
      return e.next.value;
    }

    public A first() {
      return head == null ? null : head.value;
    }

    public A last() {
      return tail == null ? null : tail.value;
    }

    public boolean removeIfSame(Object o) {
      A value = find(o);
      if (value == o) {
        remove(value);
        return true;
      }
      return false;
    }
  }

  static public class NumPadFixingInputMap extends InputMap {

    public void put(KeyStroke keyStroke, Object actionMapKey) {
      super.put(keyStroke, actionMapKey);
      Integer code = rsyntaxTextArea_fixNumPad_map.get(keyStroke.getKeyCode());
      if (code != null)
        put(KeyStroke.getKeyStroke(code, keyStroke.getModifiers()), actionMapKey);
    }

    public void replaceOn(JComponent c) {
      InputMap im = c.getInputMap();
      setParent(im.getParent());
      for (KeyStroke key : im.keys()) put(key, im.get(key));
      c.setInputMap(JComponent.WHEN_FOCUSED, this);
    }
  }

  static public class HasIndex implements Comparable<HasIndex> {

    public int idx;

    public HasIndex() {
    }

    public HasIndex(int idx) {
      this.idx = idx;
    }

    public int compareTo(HasIndex h) {
      return idx - h.idx;
    }

    final public int get() {
      return idx;
    }
  }

  static public class DoubleRect {

    public double x, y, w, h;

    public DoubleRect() {
    }

    public DoubleRect(Rectangle r) {
      x = r.x;
      y = r.y;
      w = r.width;
      h = r.height;
    }

    public DoubleRect(double x, double y, double w, double h) {
      this.h = h;
      this.w = w;
      this.y = y;
      this.x = x;
    }

    public boolean eq(Object o) {
      if (!(o instanceof DoubleRect))
        return false;
      if (o == this)
        return true;
      DoubleRect r = (DoubleRect) o;
      return x == r.x && y == r.y && w == r.w && h == r.h;
    }

    public String toString() {
      return x + "," + y + " / " + w + "," + h;
    }

    public double x1() {
      return x;
    }

    public double y1() {
      return y;
    }

    public double x2() {
      return x + w;
    }

    public double y2() {
      return y + h;
    }

    public boolean contains(Pt p) {
      return contains(p.x, p.y);
    }

    public boolean contains(double _x, double _y) {
      return _x >= x && _y >= y && _x < x + w && _y < y + h;
    }

    public boolean empty() {
      return w <= 0 || h <= 0;
    }
  }

  static public class Cache<A> {

    public Object maker;

    public A value;

    public long loaded;

    static public boolean debug = false;

    public long changeCount;

    public Lock lock = lock();

    public Cache() {
    }

    public Cache(Object maker) {
      this.maker = maker;
    }

    public Cache(IF0<A> maker) {
      this.maker = maker;
    }

    public A get() {
      if (hasLock(lock))
        return value;
      Lock __0 = lock;
      lock(__0);
      try {
        if (loaded == 0) {
          value = make();
          changeCount++;
          loaded = sysNow();
        }
        return value;
      } finally {
        unlock(__0);
      }
    }

    public void clear() {
      Lock __1 = lock;
      lock(__1);
      try {
        if (debug && loaded != 0)
          print("Clearing cache");
        value = null;
        changeCount++;
        loaded = 0;
      } finally {
        unlock(__1);
      }
    }

    public void clear(double seconds) {
      Lock __2 = lock;
      lock(__2);
      try {
        if (seconds != 0 && loaded != 0 && sysNow() >= loaded + seconds * 1000)
          clear();
      } finally {
        unlock(__2);
      }
    }

    public void set(A a) {
      Lock __3 = lock;
      lock(__3);
      try {
        value = a;
        ++changeCount;
        loaded = sysNow();
      } finally {
        unlock(__3);
      }
    }

    public A make() {
      return (A) callF(maker);
    }
  }

  static public class UnsynchronizedCompactHashSet<A> extends java.util.AbstractSet<A> {

    final static public int INITIAL_SIZE = 3;

    public final static double LOAD_FACTOR = 0.75;

    final static public Object nullObject = new Object();

    final static public Object deletedObject = new Object();

    public int elements;

    public int freecells;

    public A[] objects;

    public int modCount;

    public UnsynchronizedCompactHashSet() {
      this(INITIAL_SIZE);
    }

    public UnsynchronizedCompactHashSet(int size) {
      objects = (A[]) new Object[(size == 0 ? 1 : size)];
      elements = 0;
      freecells = objects.length;
      modCount = 0;
    }

    public UnsynchronizedCompactHashSet(Collection<A> c) {
      this(c.size());
      addAll(c);
    }

    @Override
    public Iterator<A> iterator() {
      return new CompactHashIterator<A>();
    }

    @Override
    public int size() {
      return elements;
    }

    @Override
    public boolean isEmpty() {
      return elements == 0;
    }

    @Override
    public boolean contains(Object o) {
      return find(o) != null;
    }

    public A find(Object o) {
      if (o == null)
        o = nullObject;
      int hash = o.hashCode();
      int index = (hash & 0x7FFFFFFF) % objects.length;
      int offset = 1;
      while (objects[index] != null && !(objects[index].hashCode() == hash && objects[index].equals(o))) {
        index = ((index + offset) & 0x7FFFFFFF) % objects.length;
        offset = offset * 2 + 1;
        if (offset == -1)
          offset = 2;
      }
      return objects[index];
    }

    public boolean removeIfSame(Object o) {
      A value = find(o);
      if (value == o) {
        remove(value);
        return true;
      }
      return false;
    }

    @Override
    public boolean add(Object o) {
      if (o == null)
        o = nullObject;
      int hash = o.hashCode();
      int index = (hash & 0x7FFFFFFF) % objects.length;
      int offset = 1;
      int deletedix = -1;
      while (objects[index] != null && !(objects[index].hashCode() == hash && objects[index].equals(o))) {
        if (objects[index] == deletedObject)
          deletedix = index;
        index = ((index + offset) & 0x7FFFFFFF) % objects.length;
        offset = offset * 2 + 1;
        if (offset == -1)
          offset = 2;
      }
      if (objects[index] == null) {
        if (deletedix != -1)
          index = deletedix;
        else
          freecells--;
        modCount++;
        elements++;
        objects[index] = (A) o;
        if (1 - (freecells / (double) objects.length) > LOAD_FACTOR)
          rehash();
        return true;
      } else
        return false;
    }

    @Override
    public boolean remove(Object o) {
      if (o == null)
        o = nullObject;
      int hash = o.hashCode();
      int index = (hash & 0x7FFFFFFF) % objects.length;
      int offset = 1;
      while (objects[index] != null && !(objects[index].hashCode() == hash && objects[index].equals(o))) {
        index = ((index + offset) & 0x7FFFFFFF) % objects.length;
        offset = offset * 2 + 1;
        if (offset == -1)
          offset = 2;
      }
      if (objects[index] != null) {
        objects[index] = (A) deletedObject;
        modCount++;
        elements--;
        return true;
      } else
        return false;
    }

    @Override
    public void clear() {
      elements = 0;
      for (int ix = 0; ix < objects.length; ix++) objects[ix] = null;
      freecells = objects.length;
      modCount++;
    }

    @Override
    public Object[] toArray() {
      Object[] result = new Object[elements];
      Object[] objects = this.objects;
      int pos = 0;
      for (int i = 0; i < objects.length; i++) if (objects[i] != null && objects[i] != deletedObject) {
        if (objects[i] == nullObject)
          result[pos++] = null;
        else
          result[pos++] = objects[i];
      }
      return result;
    }

    @Override
    public <T> T[] toArray(T[] a) {
      int size = elements;
      if (a.length < size)
        a = (T[]) java.lang.reflect.Array.newInstance(a.getClass().getComponentType(), size);
      A[] objects = this.objects;
      int pos = 0;
      for (int i = 0; i < objects.length; i++) if (objects[i] != null && objects[i] != deletedObject) {
        if (objects[i] == nullObject)
          a[pos++] = null;
        else
          a[pos++] = (T) objects[i];
      }
      return a;
    }

    public void rehash() {
      int garbagecells = objects.length - (elements + freecells);
      if (garbagecells / (double) objects.length > 0.05)
        rehash(objects.length);
      else
        rehash(objects.length * 2 + 1);
    }

    public void rehash(int newCapacity) {
      int oldCapacity = objects.length;
      @SuppressWarnings("unchecked")
      A[] newObjects = (A[]) new Object[newCapacity];
      for (int ix = 0; ix < oldCapacity; ix++) {
        Object o = objects[ix];
        if (o == null || o == deletedObject)
          continue;
        int hash = o.hashCode();
        int index = (hash & 0x7FFFFFFF) % newCapacity;
        int offset = 1;
        while (newObjects[index] != null) {
          index = ((index + offset) & 0x7FFFFFFF) % newCapacity;
          offset = offset * 2 + 1;
          if (offset == -1)
            offset = 2;
        }
        newObjects[index] = (A) o;
      }
      objects = newObjects;
      freecells = objects.length - elements;
    }

    public class CompactHashIterator<T> implements Iterator<T> {

      public int index;

      public int lastReturned = -1;

      public int expectedModCount;

      @SuppressWarnings("empty-statement")
      public CompactHashIterator() {
        for (index = 0; index < objects.length && (objects[index] == null || objects[index] == deletedObject); index++) ;
        expectedModCount = modCount;
      }

      @Override
      public boolean hasNext() {
        return index < objects.length;
      }

      @SuppressWarnings("empty-statement")
      @Override
      public T next() {
        int length = objects.length;
        if (index >= length) {
          lastReturned = -2;
          throw new NoSuchElementException();
        }
        lastReturned = index;
        for (index += 1; index < length && (objects[index] == null || objects[index] == deletedObject); index++) ;
        if (objects[lastReturned] == nullObject)
          return null;
        else
          return (T) objects[lastReturned];
      }

      @Override
      public void remove() {
        if (modCount != expectedModCount)
          throw new ConcurrentModificationException();
        if (lastReturned == -1 || lastReturned == -2)
          throw new IllegalStateException();
        if (objects[lastReturned] != null && objects[lastReturned] != deletedObject) {
          objects[lastReturned] = (A) deletedObject;
          elements--;
          modCount++;
          expectedModCount = modCount;
        }
      }
    }

    public int capacity() {
      return objects.length;
    }

    public boolean shrinkToFactor(double factor) {
      if (factor > LOAD_FACTOR)
        throw fail("Shrink factor must be equal to or smaller than load factor: " + factor + " / " + LOAD_FACTOR);
      int newCapacity = max(INITIAL_SIZE, iround(size() / factor));
      if (newCapacity >= capacity())
        return false;
      rehash(newCapacity);
      return true;
    }
  }

  static public class Best<A> {

    public A best;

    public double score;

    public boolean verboseNewBest, replaceIfSameScore;

    transient public Object onChange;

    transient public Object stringifier;

    synchronized public boolean isNewBest(double score) {
      return best == null || !isNaN(score) && (replaceIfSameScore ? score >= this.score : score > this.score);
    }

    synchronized public double bestScore() {
      return best == null ? minusInfinity() : score;
    }

    public double score() {
      return bestScore();
    }

    public double getScore() {
      return bestScore();
    }

    synchronized public float floatScoreOr(float defaultValue) {
      return best == null ? defaultValue : (float) score;
    }

    public boolean put(Pair<? extends A, Double> p) {
      return p != null && put(p.a, p.b);
    }

    public boolean put(Best<? extends A> b) {
      return b != null && put(b.get(), b.score);
    }

    public boolean put(A a, double score) {
      ping();
      boolean change = false;
      if (a != null)
        synchronized (this) {
          if (isNewBest(score)) {
            best = a;
            this.score = score;
            change = true;
          }
        }
      if (change) {
        if (verboseNewBest)
          print("New best! " + this);
        pcallF(onChange);
      }
      return change;
    }

    synchronized public A get() {
      return best;
    }

    synchronized public boolean has() {
      return best != null;
    }

    synchronized public Pair<A, Double> pair() {
      return main.pair(best, bestScore());
    }

    synchronized public Scored<A> scored() {
      return best == null ? null : new Scored<A>(best, bestScore());
    }

    synchronized public A getIfScoreAbove(double x) {
      return score() >= x ? best : null;
    }

    public String toString() {
      return "Score " + formatDouble_significant2(score, 4) + ": " + callStringifier(stringifier, best);
    }

    public boolean putAndPrintIfNewBest(A a, double score) {
      if (!put(a, score))
        return false;
      {
        print(this);
        return true;
      }
    }

    synchronized public void clear() {
      best = null;
      score = 0;
    }
  }

  static public class Scored<A> extends Var<A> {

    public float score;

    public Scored() {
    }

    public Scored(A a, float score) {
      super(a);
      this.score = score;
    }

    public Scored(A a, double score) {
      super(a);
      this.score = (float) score;
    }

    public float score() {
      return score;
    }

    public String toString() {
      return toIntPercent(score) + "%: " + str(get());
    }
  }

  static public float score(Scored s) {
    return s == null ? 0 : s.score();
  }

  static public <A> float getScore(Scored<A> s) {
    return s == null ? 0 : s.score;
  }

  static public boolean has(String a, String b, String c) {
    return false;
  }

  static public boolean has(T3<String, String, String> t) {
    return false;
  }

  static public String callStringifier(Object stringifier, Object o) {
    return stringifier != null ? str(callF(stringifier, o)) : str(o);
  }

  static public String b(Object contents, Object... params) {
    return tag("b", contents, params);
  }

  static public <A, B> boolean isA(Either<A, B> e) {
    return eitherIsA(e);
  }

  static public String find(String pattern, String text) {
    Matcher matcher = Pattern.compile(pattern).matcher(text);
    if (matcher.find())
      return matcher.group(1);
    return null;
  }

  static public <A> A find(Collection<A> c, Object... data) {
    for (A x : c) if (checkFields(x, data))
      return x;
    return null;
  }

  static public boolean hasLock(Lock lock) {
    return ((ReentrantLock) lock).isHeldByCurrentThread();
  }

  static public boolean isNaN(double d) {
    return Double.isNaN(d);
  }

  static public boolean isNaN(float f) {
    return Float.isNaN(f);
  }

  static public double minusInfinity() {
    return negativeInfinity();
  }

  static public <A> Scored<A> scored(A a, float score) {
    return new Scored(a, score);
  }

  static public <A> Scored<A> scored(A a, double score) {
    return new Scored(a, (float) score);
  }

  static public <A> Scored<A> scored(A a, Scored scored) {
    return new Scored(a, getScore(scored));
  }

  static public <A> Scored<A> scored(double score, A a) {
    return scored(a, score);
  }

  static public String formatDouble_significant2(double d, int digits) {
    try {
      digits -= max(0, Math.floor(Math.log10(abs(d)) + 1));
      return formatDouble(d, digits);
    } catch (Throwable _e) {
      print("Had number: " + d + ", digits: " + digits);
      throw rethrow(_e);
    }
  }

  static public int toIntPercent(double ratio) {
    return roundToInt(ratio * 100);
  }

  static public int toIntPercent(float ratio) {
    return toIntPercent((double) ratio);
  }

  static public String tag(String tag) {
    return htag(tag);
  }

  static public String tag(String tag, Object contents, Object... params) {
    return htag(tag, str(contents), params);
  }

  static public String tag(String tag, StringBuilder contents, Object... params) {
    return htag(tag, contents, params);
  }

  static public String tag(String tag, StringBuffer contents, Object... params) {
    return htag(tag, contents, params);
  }

  static public <A, B> boolean eitherIsA(Either<A, B> e) {
    return e != null && e.isA();
  }

  static public boolean checkFields(Object x, Object... data) {
    for (int i = 0; i < l(data); i += 2) if (neq(getOpt(x, (String) data[i]), data[i + 1]))
      return false;
    return true;
  }

  static public double negativeInfinity() {
    return Double.NEGATIVE_INFINITY;
  }

  static public float abs(float f) {
    return Math.abs(f);
  }

  static public int abs(int i) {
    return Math.abs(i);
  }

  static public double abs(double d) {
    return Math.abs(d);
  }

  static public int roundToInt(double d) {
    return (int) Math.round(d);
  }

  static public String htag(String tag) {
    return htag(tag, "");
  }

  static public String htag(String tag, Object contents, Object... params) {
    String openingTag = hopeningTag(tag, params);
    String s = str(contents);
    if (empty(s) && neqic(tag, "script"))
      return dropLast(openingTag) + "/>";
    return openingTag + s + "</" + tag + ">";
  }

  static public String hopeningTag(String tag, Map params) {
    return hopeningTag(tag, mapToParams(params));
  }

  static public String hopeningTag(String tag, Object... params) {
    StringBuilder buf = new StringBuilder();
    buf.append("<" + tag);
    params = unrollParams(params);
    for (int i = 0; i < l(params); i += 2) {
      String name = (String) get(params, i);
      Object val = get(params, i + 1);
      if (nempty(name) && val != null) {
        if (eqOneOf(val, html_valueLessParam(), true))
          buf.append(" " + name);
        else {
          String s = str(val);
          if (!empty(s))
            buf.append(" " + name + "=" + htmlQuote(s));
        }
      }
    }
    buf.append(">");
    return str(buf);
  }

  static public boolean neqic(String a, String b) {
    return !eqic(a, b);
  }

  static public boolean neqic(char a, char b) {
    return !eqic(a, b);
  }

  static public Object[] unrollParams(Object[] params) {
    if (l(params) == 1 && params[0] instanceof Map)
      return mapToParams((Map) params[0]);
    return params;
  }

  static public Object html_valueLessParam_cache;

  static public Object html_valueLessParam() {
    if (html_valueLessParam_cache == null)
      html_valueLessParam_cache = html_valueLessParam_load();
    return html_valueLessParam_cache;
  }

  static public Object html_valueLessParam_load() {
    return new Object();
  }

  static public String htmlQuote(String s) {
    return "\"" + htmlencode_forParams(s) + "\"";
  }

  static public ThreadLocal<Boolean> htmlencode_forParams_useV2 = new ThreadLocal();

  static public String htmlencode_forParams(String s) {
    if (s == null)
      return "";
    if (isTrue(htmlencode_forParams_useV2.get()))
      return htmlencode_forParams_v2(s);
    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 == '>') {
        out.append("&#");
        out.append((int) c);
        out.append(';');
      } else
        out.append(c);
    }
    return out.toString();
  }

  static public String htmlencode_forParams_v2(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("&#");
        out.append((int) c);
        out.append(';');
      } else
        out.append(c);
    }
    return out.toString();
  }

  static public 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) + ")";
    }
  }

  static public String quoteBorderless(Object o) {
    if (o == null)
      return "null";
    return quoteBorderless(str(o));
  }

  static public 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();
  }

  static public 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);
    }
  }
}