You can go even further and create an 'AST' for your language and display it in the navigation bar and outline views.
你甚至可以为你的语言创建一个‘AST’，并在导航条与大纲视图上显示它。
2
The outline is within a collapsible left panel, and the main area includes a lighter menu widget for the action bar as well as a lighter virtual list widget.
Drag the Object Finder control over the Place an Order dialog, moving it to the title bar so that the entire dialog is surrounded by a red outline, then release the mouse button.
将Object Finder控件拖到Place an Order对话框上，将其挪到标题栏上，以使整个对话框四周包围着一个红色方框，然后释放鼠标按钮。