EXIT Statement

13.29 EXIT Statement

The EXIT statement exits the current iteration of a loop, either conditionally or unconditionally, and transfers control to the end of either the current loop or an enclosing labeled loop.

Restriction on EXIT Statement

An EXIT statement must be inside a LOOP statement.

Topics

Syntax

exit_statement ::=

Description of the illustration exit_statement.eps

(boolean_expression ::=)

Semantics

exit_statement

label

Name that identifies either the current loop or an enclosing loop.

Without label, the EXIT statement transfers control to the end of the current loop. With label, the EXIT statement transfers control to the end of the loop that label identifies.

WHEN boolean_expression

Without this clause, the EXIT statement exits the current iteration of the loop unconditionally. With this clause, the EXIT statement exits the current iteration of the loop if and only if the value of boolean_expression is TRUE.

Examples

Example 4-9, "Basic LOOP Statement with EXIT Statement"
Example 4-10, "Basic LOOP Statement with EXIT WHEN Statement"
Example 4-11, "Nested, Labeled Basic LOOP Statements with EXIT WHEN Statements"
Example 4-25, "EXIT WHEN Statement in FOR LOOP Statement"
Example 4-26, "EXIT WHEN Statement in Inner FOR LOOP Statement"