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FreeM Extension
Sets a watchpoint on a global, local, or SSVN node.
Syntax
In its argumentless form, WATCH toggles watchpoints on and off, provided the optional postcondition is true or omitted.
WATCH[:postcondition]
In its inclusive form, WATCH adds, removes, or examines watchpoints, provided the optional postcondition is true or omitted.
A + adds a new watchpoint to the following variable.
A - removes an existing watchpoint for the following variable.
A ? examines the status of a watchpoint for the following variable.
WATCH[:postcondition] [+|-|?]var1...,[+|-|?]varN
The following example demonstrates turning watchpoint processing on and adding a watchpoint for global variable ^jpw(1). It then changes the value of ^jpw(1).
USER> WATCH
Watchpoints enabled.
USER> WATCH +^JPW(1)
Added '^JPW("1")' to the watchlist.
USER> SET ^JPW(1)="new value"
>> WATCHPOINT: ^JPW("1") => 'new value' (changed 1 times)
The following example will remove that watchpoint:
USER> WATCH -^JPW(1)
Removed '^JPW("1")' from the watchlist.
USER> WATCH ?^JPW(1)
'^JPW("1")' is not being watched.
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