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Pb with java reverse [message #641176]

Wed, 24 November 2010 13:35

Romain Bernard

Messages: 27
Registered: July 2009

Junior Member

Hi Modisco team,

First, thank you for Modisco, it is a great project...

I am using the java reverse, and I have a little pb :
I want to reverse the Orekit library (http://www.orekit.org/). I created a Java project with Orekit java sources, and the required library commons-math as a jar.

When reversing, I get a strange ClassDeclaration instance with name "org.apache.commons.math.util.OpenIntToFieldHashMap<T>.Iterator ", although the Iterator ClassDeclaration instance was successfully instantiated...

I suppose it is a litlle bug... ?

Thanks for your help...
Regards
Romain

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Re: Pb with java reverse [message #641239 is a reply to message #641176]

Wed, 24 November 2010 15:45

Gabriel BARBIER

Messages: 106
Registered: July 2009

Senior Member

Hello Romain,

I guess that you have found at least an unexpected result.

Generics are usually considered as a hierarchy of classes, and maybe our reverse doesn't match the fact that the iterator, used in association with the hash map (OpenIntToFieldHashMap), is not a real class but just an instantiation of the generic interface java.uitl.Iterator ... To summarize, the reverse reflects the state of compilation and not the state of sources.

If you consider that actual behavior is a bug or doesn't fit your needs, feel free to submit it in bugzilla: https://bugs.eclipse.org/bugs/enter_bug.cgi?product=MDT.MoDi sco&component=Main

And of course, we will do our best to correct this.

Regards
Gabriel

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Re: Pb with java reverse [message #641251 is a reply to message #641239]

Wed, 24 November 2010 16:11

Romain Bernard

Messages: 27
Registered: July 2009

Junior Member

Gabriel, thank you for your reactivity.

The workaround for me was to include commons-math sources instead of the jar...

Romain

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Re: Pb with java reverse [message #641260 is a reply to message #641239]

Wed, 24 November 2010 16:33

Romain Bernard

Messages: 27
Registered: July 2009

Junior Member

Although I found a workaround, I will submit a bug in bugzilla...

Quote:

Generics are usually considered as a hierarchy of classes, and maybe our reverse doesn't match the fact that the iterator, used in association with the hash map (OpenIntToFieldHashMap), is not a real class but just an instantiation of the generic interface java.uitl.Iterator

Actually, it is not the case... The Iterator class is a basic inner class of OpenIntToFieldHashMap, and has nothing to do with java.util.Iterator.

The pb occur only on the method OpenIntToFieldHashMap.iterator(), which returns this strange ClassDeclaration instance, with this strange and long name "org.apache.commons.math.util.OpenIntToFieldHashMap<T>.Iterator "...

Another point : in the same package, there is a class similar to OpenIntToFieldHashMap, with the same inner class Iterator (OpenIntToDoubleHashMap). And the pb DOES NOT occur for this similar class... So I guess it is not only a difference between state of source or compilation...

Regards
Romain

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