code: def _match_member(self, i, column):
          
          self.col_match = self.RE_MEMBERS.match(self._source[i])
          if self.col_match is not None:
              if column < self._source[i].index(":"):
                  self.el_call = "name"
              else:
                  self.el_call = "assign"
              
              return True
          else:
              return False
docs: Looks at line 'i' to see if the line matches a module member def.