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