Ok then it seems that Dude implementation targets a specific approach
whereby only 2 fragments are compared against each other. What I am trying
to represent in Moose are CloneClasses (code fragments) that are copied at
least 6 times (computed with an external tool).
One possible way is to use DudeCodeFragment class to represent a clone
class and each member/occurence of the code is represented with
DudeDuplication. But in that case, DudeDuplication lacks the notion of an
entity that contains a duplicated code.
Is this the right way or should I look somewhere else?
thanx
Usman
On Mon, May 7, 2012 at 6:17 PM, Richard Wettel <richard.wettel(a)usi.ch>wrote;wrote:
referenceCode and duplicateCode are the two pieces
that are similar. From
the perspective of the algorithm, the referenceCode is the fragment of code
that gets compared with all the other fragments, while duplicateCode is the
one that matches referenceCode. There is no other (semantic) difference
between them.
The signature of a duplication chain describes the sequence of exact
chunks and non-matching gaps. For example:
E4.D1.E3
means:
- an exact chunk of 4 lines (4E)
- followed by 1 deleted line (1D) which means the line exists in the
referenceCode but not in the duplicateCode
- finally a exact chunk of 3 (3E)
If this is confusing, you can read more about it in my bachelor thesis or
in the icsm2005 paper from:
http://www.inf.usi.ch/phd/wettel/publications.html
I am talking about dude here, but I guess smalldude did not change its
semantics.
Cheers
Ricky
On May 7, 2012, at 17:02, Usman Bhatti <usman.bhatti(a)gmail.com> wrote:
Some questions on dude. I am using an external
tool for computing
duplications and trying to instantiate appropriate entities in
moose:
1. What is referenceCode and duplicateCode in the context of SmallDude
and what is
the difference between the two?
2. What is a signature?
tx
Usman
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