6.2.27 PERFORM Statement
The PERFORM statement transfers control explicitly to one or more procedures and implicitly returns control to the next executable statement after execution of the specified procedure(s) is completed.
The PERFORM statement can be:
- An out-of-line PERFORM statement
-
Procedure-name-1 is specified.
- An in-line PERFORM statement
-
Procedure-name-1 is omitted.
An in-line PERFORM must be delimited by the END-PERFORM phrase.
The in-line and out-of-line formats cannot be combined. For example, if procedure-name-1 is specified, the imperative-statement and the END-PERFORM phrase must not be specified.
- Basic PERFORM
- TIMES phrase PERFORM
- UNTIL phrase PERFORM
- VARYING phrase PERFORM
Subtopics:
- 6.2.27.1 Basic PERFORM Statement
- 6.2.27.2 END-PERFORM
- 6.2.27.3 PERFORM with TIMES Phrase
- 6.2.27.4 PERFORM with UNTIL Phrase
- 6.2.27.5 PERFORM with VARYING Phrase
- 6.2.27.6 Varying Identifiers
- 6.2.27.7 Varying Two Identifiers
- 6.2.27.8 Varying Three Identifiers
- 6.2.27.9 Varying More Than Three Identifiers
- 6.2.27.10 Varying Phrase Rules
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