|Graph theory and data flow analysis w\java email@example.com (David Boissy \[TPX\]) (2000-11-14)|
|Re: Graph theory and data flow analysis w\java firstname.lastname@example.org (Ben War) (2000-11-16)|
|Re: Graph theory and data flow analysis w\java Sid-Ahmed-Ali.TOUATI@inria.fr (Sid Ahmed Ali TOUATI) (2000-11-16)|
|From:||Sid Ahmed Ali TOUATI <Sid-Ahmed-Ali.TOUATI@inria.fr>|
|Date:||16 Nov 2000 15:01:03 -0500|
|Posted-Date:||16 Nov 2000 15:01:03 EST|
"David Boissy [TPX]" wrote:
> I wanted to do some simple data-flow analysis in java and I'm looking
> for a good graph theory tool to use. I'd like it to use an adjacency
> list and not a matrix because the graphs are big.
> Also, I would like to perform live variable analysis on this graph
> which I assume would require backwards data-flow analysis. The dragon
> book covers the intraprocedural case. Can anybody provide me any book
> recommendations or links for the interprocedural case? The Muchnick
> book touches on this, but doesn't give any real detail.
You cannot do easily data flow analysis with java like with C or fortran.
The reason why is that the affectation "=" in java is not a copy but an
aliasing operator. There is a great amount of theoretical problems to
solve before doing any data flow analysis : the main problem is to prove
statically that there is no alias between objects, i.e. fto prove for
instance that a given array has disjoint elements.
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