Folgende Syntax wird für das INVOKE Statement erkannt:
>>-INVOKE--+-identifier-1-+--+-literal-1----+------------------->
+-class-name-1-+ +-identifier-2-+
+-SELF---------+ '-NEW----------'
'-SUPER--------'
>--+---------------------------------------------------------------+-->
| .----------------------------------------------------. |
| | .---------------------------------. | |
| V V | | |
'-USING----+----+--VALUE----+-+-----------+--identifier-3-+-+-+-'
'-BY-' | '-LENGTH OF-' |
'-literal-2-------------------'
>--+-------------------------+---------------------------------->
'-RETURNING--identifier-4-'
>--+-------------------------------------------+---------------->
'-+----+--EXCEPTION--imperative-statement-1-'
'-ON-'
>--+------------------------------------------------+----------->
'-NOT--+----+--EXCEPTION--imperative-statement-2-'
'-ON-'
>--+------------+----------------------------------------------><
'-END-INVOKE-'