code: def target(self):
          
          if self.pointsto is not None:
              #It is in the format of module.executable.
              xinst = self.module.parent.get_executable(self.pointsto.lower())
              return xinst
          else:
              #The executable it points to is the same as its name.
              fullname = "{}.{}".format(self.module.name, self.name)
              return self.module.parent.get_executable(fullname.lower())
docs: Returns the code element that is the actual executable that this type
          executable points to.