code: def visited(self):
          
          try:
              binfo = self.binfo
          except AttributeError:
              # Apparently this node doesn't need build info, so
              # don't bother calculating or storing it.
              pass
          else:
              self.ninfo.update(self)
              SCons.Node.store_info_map[self.store_info](self)
docs: Called just after this node has been visited (with or
          without a build).