please include function componentPopupMenu.

static void componentPopupMenu_top(final JComponent component, final VF1<JPopupMenu> menuMaker) {
  swing {
    componentPopupMenu_Maker maker = componentPopupMenu_map.get(component);
    if (maker == null) {
      componentPopupMenu_map.put(component, maker = new componentPopupMenu_Maker);
      component.addMouseListener(new componentPopupMenu_Adapter(maker));
    }
    maker.menuMakers.add(0, menuMaker);
  }
}