Subject: RE: homework 4 problem
From: Pengcheng Wu (wupc@ccs.neu.edu)
Date: Sat Feb 15 2003 - 10:29:14 EST
Yes, you are right. It is a sort of 'bug' in DJ. When traversing a
repetition edge in DJ, you should always add a constraint to your
traversal strategy, which is "bypassing -> *,tail,*". Otherwise, the last
element will be always traversed twice. See also the message I sent on Feb
9:
http://www.ccs.neu.edu/home/lieber/com1205/w03/archive/0123.html
--Pengcheng Wu
On Fri, 14 Feb 2003, Karl Lieberherr wrote:
> Pengcheng:
>
> please can you check.
>
> -- Karl
> -----Original Message-----
> From: Marcin Biernat [mailto:galicco@hotmail.com]
> Sent: Friday, February 14, 2003 6:22 PM
> To: lieber@ccs.neu.edu
> Subject: homework 4 problem
>
>
>
>
>
>
> Hi, I have strong belief that there is a bug either in demeter or in files
> that you gave us for this homework. The attached file is my command.beh and
> if you look at "du ." command it will print the last path and file twice,
> (ie. ./b twice) because the traverse function visits the object twice at the
> end. If you do "du ." ia directory "a" then it will not print the last path
> and CompoundFile twice, since the last element in PList is SimpleFile and wi
> don't print SimpleFiles. So that is why I think it visits the last object at
> the ent twice, so it must be a bug some where in DemeterJ : : (maybe
> traverse())
>
> Please let me know if I'm right or what is wrong with my code.
>
> --Marcin
>
>
>
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