SET FLOW
Controls the call tracing of procedures.
Syntax
SET [LOCAL] FLOW ON|OFF
Parameters
| LOCAL | The command is to take effect only within the current procedure. |
Comments
Call tracing messages show shifts in execution control from one procedure to another. The SET FLOW command controls call tracing.
FLOW is OFF by default.
When FLOW is ON, the call tracing feature issues messages when the software enters or exits a procedure.
When entering procedurename, the message takes the form:
[nn ]–> procedurename
When exiting procedurename, the message takes the form:
[nn ]<– procedurename
where nn indicates the level of nesting represented by procedurename.
When procedurename is entered from a compiled procedure, the message is modified to read:
[nn ]–> procedurename
SET FLOW is not affected by the SET RESET and SET RESTORE commands.
Example
procedure DoCusts
set local flow on
The preceding command traces procedure calls only when those calls are made from procedure DoCusts.
set flow on
The preceding command causes the software to trace all procedure calls until otherwise notified.
See Also
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