Re: [aspectj-users] Parameter construction pointcut?

["Eric Bodden" <eric.bodden@xxxxxxxxxxxxxx>]

what if any of the methods have side-effects?

Eric

On 10/08/07, Caplan, Josh <jcaplan@xxxxxxxxxx> wrote:
> I don't see why there couldn't be a precall join-point which preceded all argument evaluation.
>
> f( g( h(), i( j() ) ), k() )
>
> would match, in order,
>
> precall( * f( .. ) )
> precall( * g( .. ) )
> precall( * h( .. ) )
> call( * h( .. ) )
>         execution( * h( .. ) )
> precall( * i( .. ) )
> precall( * j( .. ) )
> call( * j( .. ) )
>         execution( * j( .. ) )
> call( * i( .. ) )
>         execution( * i( .. ) )
> call( * g( .. ) )
>         execution( * g( .. ) )
> precall( * k( .. ) )
> call( * k( .. ) )
>         execution( * k( .. ) )
> call( * f( .. ) )
>         execution( * f( .. ) )
>
> Josh
>
> -----Original Message-----
> From: aspectj-users-bounces@xxxxxxxxxxx [mailto:aspectj-users-bounces@xxxxxxxxxxx] On Behalf Of Eric Bodden
> Sent: Friday, August 10, 2007 11:06 AM
> To: aspectj-users@xxxxxxxxxxx
> Subject: Re: [aspectj-users] Parameter construction pointcut?
>
> On 10/08/07, Seva Popov <seva_popov@xxxxxxxxxxx> wrote:
>
> This has come up before...
>
> > Please, confirm my assumptions or suggest me any solutions besides
> > fixing the code itself.
>
> Your assumption is correct.
>
> > P.S. I understand that AspectJ operates on the bytecode but not on the
> > source code. But is it theoretically possible to augment the AspectJ
> > with a parameter construction pointcut? Just curious.
>
> That is impossible because it is undecidable in general. Where does
> parameter construction start in general? Not even a human being could
> answer that question.
>
> W.r.t. your problem: I doubt that parameter construction is a
> bottleneck in your code if all the construction is as easy as in the
> case you showed. Maybe a profiler would give you more insight.
>
> Eric
>
> --
> Eric Bodden
> Sable Research Group
> McGill University, Montréal, Canada
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-- 
Eric Bodden
Sable Research Group
McGill University, Montréal, Canada