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Re: problems with forward invocation (gcc bug?)
From: |
Helge Hess |
Subject: |
Re: problems with forward invocation (gcc bug?) |
Date: |
Wed, 01 Aug 2001 16:14:31 +0200 |
Wim Oudshoorn wrote:
> Well, I see a problem ;-) Ok, the problem is the following, as pointed
> out by Richard Frith-Macdonald.
>
> A. In forwarding code you NEED the return type in order to
> retrieve the receiver from stack.
> B. You need the receiver to correctly determine the return
> type.
Ok, missed that we don't have the receiver without decoding the stack
which needs the receiver ;-). Problem understood: Chicken & Egg.
> Best would be if the compiler generates a typed selector
> for all method invocations, where the type describes
> the stack layout used in the call. But things work
> pretty well without that :-)
Agreed.
Greetings
Helge
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