parameters: (self, index)
return_statement: return extent
docstring: The extent of the full element.
  
          E.g., the length of a function call or keyword.
docstring_summary: The extent of the full element.
docstring_tokens: The extent of the full element .
function: def _get_extent(self, index):
          """The extent of the full element.
  
          E.g., the length of a function call or keyword.
  
          """
          extent = 0
          prev_item = get_item(self._items, index - 1)
          seen_dot = prev_item and unicode(prev_item) == '.'
          while index < len(self._items):
              item = get_item(self._items, index)
              index += 1
  
              if isinstance(item, (ListComprehension, IfExpression)):
                  break
  
              if isinstance(item, Container):
                  if prev_item and prev_item.is_name:
                      if seen_dot:
                          extent += 1
                      else:
                          extent += item.size
  
                      prev_item = item
                      continue
              elif (unicode(item) not in ['.', '=', ':', 'not'] and
                    not item.is_name and not item.is_string):
                  break
  
              if unicode(item) == '.':
                  seen_dot = True
  
              extent += item.size
              prev_item = item
  
          return extent
function_tokens: def _get_extent ( self , index ) : extent = 0 prev_item = get_item ( self . _items , index - 1 ) seen_dot = prev_item and unicode ( prev_item ) == '.' while index < len ( self . _items ) : item = get_item ( self . _items , index ) index += 1 if isinstance ( item , ( ListComprehension , IfExpression ) ) : break if isinstance ( item , Container ) : if prev_item and prev_item . is_name : if seen_dot : extent += 1 else : extent += item . size prev_item = item continue elif ( unicode ( item ) not in [ '.' , '=' , ':' , 'not' ] and not item . is_name and not item . is_string ) : break if unicode ( item ) == '.' : seen_dot = True extent += item . size prev_item = item return extent