[Soot-list] dollar sing prefix to variables. Do you need it or not?

[Eric Bodden]

Paris, this makes no difference.

$ usually means that the variable represents a stack location, i.e.,
not a local variable from the source code. But this is just a
convention.

Eric

--
Dr. Eric Bodden
Software Technology Group, Technische Universität Darmstadt, Germany
Tel: +49 6151 16-5478    Fax: +49 6151 16-5410
Mailing Address: S2|02 A209, Hochschulstraße 10, 64289 Darmstadt



On 25 June 2010 11:23, Paris Yiapanis <yiapanip at cs.man.ac.uk> wrote:
> Hi all,
>
> I am not sure what the dollar sign in front of variables means.
> For me it looks like the locals with the dollar sign are like references to
> fields and the ones without it are like method local variables.
> However when I try to produce Jimple in general, even if I am pointing to
> fields, all the local variables I generate do not have the dollar sign.
> Does that make any difference?
>
> or for instance if $r6 and $r5 are instance field arrays an assignment (of
> $r6 to $r5) looks like that:
>
> $i1 = $r6[i0];
> $r5[i0] = $i1;
>
> whereas an assignment of local arrays does not have the dollar signs?
>
> So, is there any difference if the dollar sign is there or not? or could you
> have all variables without the dollar sign and just depend on their
> definition for whatever type they will be assigned?
>
> Thank you in advance,
>
> Paris
>
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