Specifies the behavior of return jumps from nested PERFORM statements.
Syntax:
>>-.---.--PERFORM-TYPE--"dialect"----------><
+-/-+
Parameters:
-
dialect
- One of:
- MF
- Only the exit point of the innermost PERFORM currently being executed is recognized and its return jump taken.
- RM
- The exit point of any PERFORM statement currently being executed is recognized if reached; the return jump taken is the first
reached. PERFORM statements with the same exit point cannot be nested; if they are they do not return correctly. The end of
a section is regarded as a separate point from the end of its last paragraph.
- COBOL370, ENTCOBOL, OS390, OSVS, VSC2
- The exit point of any PERFORM statement currently being executed is recognized if reached; the return jump taken is the first
reached. PERFORM statements with the same exit point can be nested to a depth of two (one inner and one outer). If they are
nested deeper, they do not return correctly. The end of a section is regarded as a separate point from the end of its last
paragraph.
- PERFORM-TYPE"COBOL370" provides compatibility with the mainframe behavior of COBOL/370.
- PERFORM-TYPE"ENTCOBOL" provides compatibility with the mainframe behavior of Enterprise COBOL.
- PERFORM-TYPE"OS390" provides compatibility with the mainframe behavior of OS/390 COBOL.
- PERFORM-TYPE"OSVS" provides compatibility with the mainframe behavior of OS/VS COBOL and DOS/VS COBOL.
- PERFORM-TYPE"VSC2" provides compatibility with the mainframe behavior of VS COBOL II.
Properties:
| Default:
|
PERFORM-TYPE"MF" (All mainframe dialects)
|
| Phase:
|
Syntax check
|
| $SET:
|
Initial
|
Dependencies:
DIALECT"RM" sets PERFORM-TYPE"RM" immediately.