ILE RPG Programmer's Guide
You use a watch condition to monitor if the
current value of an expression or a variable changes while your program
runs. Setting watch conditions is similar to setting conditional breakpoints,
with one important difference:
- Watch conditions stop the program as soon as the value of a watched
expression or variable changes from its current value.
- Conditional job breakpoints stop the program only if
a variable changes to the value specified in the condition.
The watches an expression or a variable through the contents of
a storage address, computed at the time the
watch condition is set. When the content at the storage address
is changed from the value it had when the watch condition was set
or when the last watch condition occurred, the program stops.
Note:
After a watch condition has been registered, the new contents
at the watched storage location are saved as the new current value
of the corresponding expression or variable. The next watch condition
will be registered if the new contents at the watched storage location
change subsequently.
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