getlocal from a callhook
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- Subject: getlocal from a callhook
- From: David Jones <drj@...>
- Date: 2002年4月23日 09:56:01 +0000
I'm trying to write a sort of trace tool in lua. I'm using lua 4.0.
Should I be able to use getlocal(2, i) from within a callhook?
I'm using the dblib function setcallhook to set my callhook, which is
written in lua.
What I see is that getlocal(2, i) always returns nil (when called from
my callhook).
I can tell my callhook function is more or less ok because I can call it
directly from some function and it correctly gets the local variable
information, but when it is called as a callhook it can't get the local
variable information.
Is this just a restriction of callhook and getlocal that I wasn't aware
of?
Cheers,
drj