debugging java implementation of Fame ...

> Hi all,
>
> I need some help with the Java implementation of Fame.
>
> I am trying to implement separate parsing in VerveineJ so that one can
> deal with larger project by parsing them piece by piece.
> This implies loading in verveine the MSE already created to be able to
> add new entities to it.
>
> And The import method of Repository does not work for big MSE files
> (that were generated by the export method of Repository BTW) :-(
>
> It crashes with a StackOverflow:
> Exception in thread "main" java.lang.StackOverflowError
> at java.util.HashMap.put(HashMap.java:389)
> at java.util.HashMap.putAll(HashMap.java:541)
> at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:192)
> at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
> at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
> at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
> at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
> at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
> at ch.akuhn.fame.fm3.MetaDescription.allAttributes(MetaDescription.java:139)
> at ch.akuhn.fame.Repository.add(Repository.java:121)
> at ch.akuhn.fame.Repository.add(Repository.java:131)
> at ch.akuhn.fame.Repository.add(Repository.java:131)
> + zillions of this same line, Repository.add calling itself
> recursively at line 131
>
> I looked a bit into it and think that the problem may come from line
> 131 into the Repository.add() method :-)
>
>
>    public void add(Object element) {
>        assert element != null;
>        if (elements.add(element)) {
>            MetaDescription meta = metamodel.getDescription(element.getClass());
>            assert meta != null : element.getClass();
>            for (PropertyDescription property : meta.allAttributes())
> {   <--- line 121
>                if (!property.isPrimitive()) {
>                    boolean isRoot = property.getType().isRoot();
>                    for (Object value : property.readAll(element)) {
>                        assert value != null : property.getFullname();
>                        if (!(isRoot &&
>                                (value instanceof String ||
>                                value instanceof Boolean ||
>                                value instanceof Number))) {
>                            try {
>                                this.add(value);
>                              <--- line 131
>                            } catch (ClassNotMetadescribedException e) {
>                                throw new
> ElementInPropertyNotMetadescribed(property);
>                            }
>                        }
>                    }
>                }
>            }
>        }
>    }
>
>
> My suspicion is that this recursive call is actually walking through
> the entire graph of FamixEntities because every entity is related to
> some other entity ...
>
> 1- Anybody want to comment on this suspicion?
> 2- Any idea how to correct it?
>
>
> nicolas
>
> --
> Nicolas Anquetil        Univ. Lille1 / INRIA-equipe RMod
>
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev

> nicolas
>
> Do you use the FAME version of adrian in Java or you recoded your own?
>
> Stef
>
> On Dec 13, 2010, at 10:53 PM, [hidden email] wrote:
>
>> Hi all,
>>
>> I need some help with the Java implementation of Fame.
>>
>> I am trying to implement separate parsing in VerveineJ so that one can
>> deal with larger project by parsing them piece by piece.
>> This implies loading in verveine the MSE already created to be able to
>> add new entities to it.
>>
>> And The import method of Repository does not work for big MSE files
>> (that were generated by the export method of Repository BTW) :-(
>>
>> It crashes with a StackOverflow:
>> Exception in thread "main" java.lang.StackOverflowError
>>       at java.util.HashMap.put(HashMap.java:389)
>>       at java.util.HashMap.putAll(HashMap.java:541)
>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:192)
>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
>>       at ch.akuhn.fame.fm3.MetaDescription.allAttributes(MetaDescription.java:139)
>>       at ch.akuhn.fame.Repository.add(Repository.java:121)
>>       at ch.akuhn.fame.Repository.add(Repository.java:131)
>>       at ch.akuhn.fame.Repository.add(Repository.java:131)
>> + zillions of this same line, Repository.add calling itself
>> recursively at line 131
>>
>> I looked a bit into it and think that the problem may come from line
>> 131 into the Repository.add() method :-)
>>
>>
>>    public void add(Object element) {
>>        assert element != null;
>>        if (elements.add(element)) {
>>            MetaDescription meta = metamodel.getDescription(element.getClass());
>>            assert meta != null : element.getClass();
>>            for (PropertyDescription property : meta.allAttributes())
>> {   <--- line 121
>>                if (!property.isPrimitive()) {
>>                    boolean isRoot = property.getType().isRoot();
>>                    for (Object value : property.readAll(element)) {
>>                        assert value != null : property.getFullname();
>>                        if (!(isRoot &&
>>                                (value instanceof String ||
>>                                value instanceof Boolean ||
>>                                value instanceof Number))) {
>>                            try {
>>                                this.add(value);
>>                              <--- line 131
>>                            } catch (ClassNotMetadescribedException e) {
>>                                throw new
>> ElementInPropertyNotMetadescribed(property);
>>                            }
>>                        }
>>                    }
>>                }
>>            }
>>        }
>>    }
>>
>>
>> My suspicion is that this recursive call is actually walking through
>> the entire graph of FamixEntities because every entity is related to
>> some other entity ...
>>
>> 1- Anybody want to comment on this suspicion?
>> 2- Any idea how to correct it?
>>
>>
>> nicolas
>>
>> --
>> Nicolas Anquetil        Univ. Lille1 / INRIA-equipe RMod
>>
>> _______________________________________________
>> Moose-dev mailing list
>> [hidden email]
>> https://www.iam.unibe.ch/mailman/listinfo/moose-dev
>
>
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev
>

>
> So yes it is Adrian's version, although I don't remember where or how I got it.
> Somebody (Simon?) must have given it to me.
>
> nicolas
>
> On Tue, Dec 14, 2010 at 11:54 AM, Stéphane Ducasse
> <[hidden email]> wrote:
>> nicolas
>>
>> Do you use the FAME version of adrian in Java or you recoded your own?
>>
>> Stef
>>
>> On Dec 13, 2010, at 10:53 PM, [hidden email] wrote:
>>
>>> Hi all,
>>>
>>> I need some help with the Java implementation of Fame.
>>>
>>> I am trying to implement separate parsing in VerveineJ so that one can
>>> deal with larger project by parsing them piece by piece.
>>> This implies loading in verveine the MSE already created to be able to
>>> add new entities to it.
>>>
>>> And The import method of Repository does not work for big MSE files
>>> (that were generated by the export method of Repository BTW) :-(
>>>
>>> It crashes with a StackOverflow:
>>> Exception in thread "main" java.lang.StackOverflowError
>>>       at java.util.HashMap.put(HashMap.java:389)
>>>       at java.util.HashMap.putAll(HashMap.java:541)
>>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:192)
>>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
>>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
>>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
>>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
>>>       at ch.akuhn.fame.fm3.MetaDescription.collectAllAttributes(MetaDescription.java:191)
>>>       at ch.akuhn.fame.fm3.MetaDescription.allAttributes(MetaDescription.java:139)
>>>       at ch.akuhn.fame.Repository.add(Repository.java:121)
>>>       at ch.akuhn.fame.Repository.add(Repository.java:131)
>>>       at ch.akuhn.fame.Repository.add(Repository.java:131)
>>> + zillions of this same line, Repository.add calling itself
>>> recursively at line 131
>>>
>>> I looked a bit into it and think that the problem may come from line
>>> 131 into the Repository.add() method :-)
>>>
>>>
>>>    public void add(Object element) {
>>>        assert element != null;
>>>        if (elements.add(element)) {
>>>            MetaDescription meta = metamodel.getDescription(element.getClass());
>>>            assert meta != null : element.getClass();
>>>            for (PropertyDescription property : meta.allAttributes())
>>> {   <--- line 121
>>>                if (!property.isPrimitive()) {
>>>                    boolean isRoot = property.getType().isRoot();
>>>                    for (Object value : property.readAll(element)) {
>>>                        assert value != null : property.getFullname();
>>>                        if (!(isRoot &&
>>>                                (value instanceof String ||
>>>                                value instanceof Boolean ||
>>>                                value instanceof Number))) {
>>>                            try {
>>>                                this.add(value);
>>>                              <--- line 131
>>>                            } catch (ClassNotMetadescribedException e) {
>>>                                throw new
>>> ElementInPropertyNotMetadescribed(property);
>>>                            }
>>>                        }
>>>                    }
>>>                }
>>>            }
>>>        }
>>>    }
>>>
>>>
>>> My suspicion is that this recursive call is actually walking through
>>> the entire graph of FamixEntities because every entity is related to
>>> some other entity ...
>>>
>>> 1- Anybody want to comment on this suspicion?
>>> 2- Any idea how to correct it?
>>>
>>>
>>> nicolas
>>>
>>> --
>>> Nicolas Anquetil        Univ. Lille1 / INRIA-equipe RMod
>>>
>>> _______________________________________________
>>> Moose-dev mailing list
>>> [hidden email]
>>> https://www.iam.unibe.ch/mailman/listinfo/moose-dev
>>
>>
>> _______________________________________________
>> Moose-dev mailing list
>> [hidden email]
>> https://www.iam.unibe.ch/mailman/listinfo/moose-dev
>>
>
>
>
> --
> Nicolas Anquetil        Univ. Lille1 / INRIA-equipe RMod
>
> _______________________________________________
> Moose-dev mailing list
> [hidden email]
> https://www.iam.unibe.ch/mailman/listinfo/moose-dev