[Soot-list] Error the CallGraph: Edges not present

[Dhriti Khanna]

Hello,
My issue is resolved.
Thank you.

On Sun, Dec 15, 2019 at 4:12 PM Dhriti Khanna <dhritik at iiitd.ac.in> wrote:

> Hello,
> For method A, I want to find all the methods that A might invoke in a Java
> class. I am implementing this as follows:
>
>   List<String> argsList = new ArrayList<String>(Arrays.asList(_cut));
>   argsList.addAll(Arrays.asList(new String[]{
>           "-w",
>           "-main-class",
>           _cut
>   }));
>
>   Options.v().set_no_bodies_for_excluded(true);
>   Options.v().set_output_format(Options.output_format_jimple);
>
> Options.v().set_output_dir("/home/dhriti/Dropbox/new-workspace/EscapeAnalysis/sootOutput");
>   Options.v().setPhaseOption("cg.spark", "on");
>   Options.v().set_whole_program(true);
>   Options.v().set_prepend_classpath(true);
>   Options.v().set_allow_phantom_refs(true);
>   Scene.v().addBasicClass("sun.misc.ClassFileTransformer",
> SootClass.HIERARCHY);
>   Scene.v().addBasicClass("java.io.ObjectStreamClass$MemberSignature",
> SootClass.HIERARCHY);
>   SootClass sootClass = Scene.v().forceResolve(_cut, SootClass.BODIES);
>   sootClass.setApplicationClass();
>   Scene.v().loadNecessaryClasses();
>   PackManager.v().getPack("wjtp").add(new Transform("wjtp.myTrans", new
> SceneTransformer() {
>
>     @Override
>     protected void internalTransform(String arg0, Map arg1) {
>     Iterator<SootMethod> sootMethodsIt = sootClass.getMethods().iterator();
>     while(sootMethodsIt.hasNext()) {
>
>         SootMethod caller = sootMethodsIt.next();
>         if(caller.isPublic() &&
> caller.getDeclaringClass().getName().equals(_cut)) {
>             List<SootMethod> entryPoints = new ArrayList<SootMethod>();
>             entryPoints.add(caller);
>             Scene.v().setEntryPoints(entryPoints);
>
>             CallGraph cg = Scene.v().getCallGraph();
>             Iterator<Edge> edges = cg.edgesOutOf(caller);
>             ArrayList<SootMethod> targets = new ArrayList<SootMethod>();
>             while(edges.hasNext()) {
>                 Edge edge = edges.next();
>                 SootMethod target = edge.getTgt().method();
>                 if(target.getDeclaringClass().getName().equals(_cut)) {
>                     targets.add(target);
>                 }
>             }
>             targetMethods_For_Method.put(caller, targets); // List of
> targets can be empty
>         }
>     }
>     }
>   }));
>
> String[] argsArray = (String[]) argsList.toArray(new
> String[argsList.size()]);
> soot.Main.main(argsArray);
>
> However, I am not getting the required output unless I call anyone method
> of the class from the main method. If I do this, then the output is fine.
> Otherwise, if I leave the main method empty, the target list for each
> method is empty. Why is this happening even when I set the entry point to
> be a non-main method (as highlighted in the color yellow above)?
>
> Note: This is an issue with Soot-2.5.0
>
> --
> Regards
> Dhriti Khanna
> PhD Scholar
> IIIT Delhi
>


-- 
Regards
Dhriti Khanna
PhD Scholar
IIIT Delhi
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