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SYS:PRINT-SELF for CLOS.
Date: Fri, 16 Mar 90 09:43 PST
From: RDP@ALAN.kahuna.decnet.lasc-research.lockheed.com (Robert D.
I have just performed a reasonably major Flavors to CLOS conversion
under Genera 8.0 Beta using the Conversion Tools. I was very pleased
with how well it went (took about two days) and the Conversion Tools
worked like a charm.
The application is almost running again but I have one problem to deal
with. Under Flavors I have defined many methods for SYS:PRINT-SELF. If
I try to simply convert them to CLOS methods, I get the following
1 Error: SYS:PRINT-SELF was previously defined as a function, but is now being used as a generic function.
0 Arg 0 (CLOS-INTERNALS::FUNCTION-NAME): SYS:PRINT-SELF
Arg 1: NIL
s-A, : Remove the previous definition.
s-B: Skip compiling form (CLOS-INTERNALS::DEFMETHOD-INTERNAL 'SYS:PRINT-SELF ...)
s-C: Skip compiling form (CLOS:DEFMETHOD SYS:PRINT-SELF ...)
s-D, : Editor Top Level
s-E: Restart process Zmacs Windows
I think what the error actually means is that SYS:PRINT-SELF was
previously defined as a Flavor generic function and now I'm trying to
redefine it as a CLOS generic function. Naturally, I don't want to
"Remove the previous definition." But it's not particularly clear to me
what I really should do.
Surely there must be an straightforward way to deal with this?
I think the corresponding CLOS generic function is really CLOS:PRINT-OBJECT.
Try using that name instead of SYS:PRINT-SELF.
-- Chuck Fry
Symbolics Software Support