docs: def build_event_handler(self, runnable, regime, event_handler):
          """
          Build event handler code.
  
          @param event_handler: Event handler object
          @type event_handler: lems.model.dynamics.EventHandler
  
          @return: Generated event handler code.
          @rtype: list(string)
          """
  
          if isinstance(event_handler, OnCondition):
              return self.build_on_condition(runnable, regime, event_handler)
          elif isinstance(event_handler, OnEvent):
              return self.build_on_event(runnable, regime, event_handler)
          elif isinstance(event_handler, OnStart):
              return self.build_on_start(runnable, regime, event_handler)
          elif isinstance(event_handler, OnEntry):
              return self.build_on_entry(runnable, regime, event_handler)
          else:
              return []