Method setDebugger

src/main/java/net/starlark/java/eval/Debug.java:97–102

Installs a global hook that causes subsequently executed Starlark threads to notify the debugger of important events. Closes any previously set debugger. Call setDebugger(null) to disable debugging.

(Debugger dbg)

   * setDebugger(null)} to disable debugging.
   */
  public static void setDebugger(Debugger dbg) {
    Debugger prev = debugger.getAndSet(dbg);
    if (prev != null) {
      prev.close();
    }
  }

  /**
   * Returns a copy of the current stack of call frames, outermost call first.