Rational Developer for System z
PL/I for Windows, Version 8.0, Programming Guide

XREF

The XREF option provides a cross-reference table of names used in the program together with the numbers of the statements in which they are declared or referenced in the compiler listing.

Read syntax diagramSkip visual syntax diagram   .-NOXREF--------------------.
>>-+-XREF--+-----------------+-+-------------------------------><
           |    .-FULL--.    |
           '-(--+-SHORT-+--)-'
 

ABBREVIATIONS: X, NX

NOXREF
Indicates that the compiler should not produce this information as part of the listing.
XREF
Specifies that the compiler should produce a cross-reference list.

In addition to the cross-reference list, the compiler produces a listing of unreferenced identifiers. In this list, variables do not appear if they are named constants or static nonassignable variables. If any field in a union or structure is referenced, the name of the union or structure does not appear. Level 1 names for unions or structures appear only if none of the members are referenced.

For an example and description of the content of the cross-reference table, see Using the compiler listing. If both XREF and ATTRIBUTES are specified, the two listings are combined.


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