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[ATL] Two virtual machines, two transformations results [message #496297]

Mon, 09 November 2009 10:58

Eclipse User

I am trying to reuse my ATL transformation files that worked some weeks ago in Ganymede and ATL 2.2.
Now it seems that they are not anymore useful.
If I launch my transformation using the "Regular VM" it works as before, but if I use the "EMF-specific..VM." the result of the transformation is different, and there is no error message associated....
A good thing of the Regular VM is that I can debug whereas in the other VM this is apparently not possible (at least not for me).
Is there some solution to this problem of VM incompatibility?

Thanks,

J.

Re: [ATL] Two virtual machines, two transformations results [message #496321 is a reply to message #496297]

Mon, 09 November 2009 12:18

Eclipse User

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Hello,

ATL 3.1 will provide a debugger for both VMs, you can download it here
http://www.eclipse.org/modeling/m2m/downloads/index.php?proj ect=atl#S200911090453
and test it, e.g. to localize your issue.

Could you report a bug if you find or locate the issue ? Thanks in advance.

Best regards,

William

Julio a écrit :
> I am trying to reuse my ATL transformation files that worked some weeks
> ago in Ganymede and ATL 2.2.
> Now it seems that they are not anymore useful.
> If I launch my transformation using the "Regular VM" it works as before,
> but if I use the "EMF-specific..VM." the result of the transformation
> is different, and there is no error message associated....
> A good thing of the Regular VM is that I can debug whereas in the other
> VM this is apparently not possible (at least not for me).
> Is there some solution to this problem of VM incompatibility?
>
> Thanks,
>
> J.
>

--
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Pour plus de dates et pour le détail de cette formation:
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ATL - Paris - 2009 December from 2th to 3th
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Re: [ATL] Two virtual machines, two transformations results [message #496489 is a reply to message #496321]

Tue, 10 November 2009 05:14

Eclipse User

I've tried ATL 3.1.0 (Stable version).
It appears that the debugger won't stop anywhere, it always executes until termination (despite several breakpoints).
The problem of different executions persists.
Apparently the source of the problem is that the string manipulation in the "EMF-specific VM" has changed, but I cannot tell how.
Here is a sample helper that should return an Integer if the input string is one integer, otherwise it should return OclUndefined.
Try it (e.g. with ' -130 ', or ' 2 5 ')

helper context String def: Trim2Integer():
Integer = let s:String = self.trim() in
let ss:Sequence(String) = s->toSequence() in
let ints:Sequence(String) = '0123456789'->toSequence() in
if ss.first() = '-' then
let sp:Sequence(String) = ss->excluding('-') in
if ints->includesAll(sp)
then 0-(sp->iterate(i;acc:String=''| acc+i).toInteger())
else OclUndefined endif
else
if ints->includesAll(ss)
then s.toInteger()else OclUndefined endif
endif;

J.

Re: [ATL] Two virtual machines, two transformations results [message #496623 is a reply to message #496489]

Tue, 10 November 2009 12:10

Eclipse User

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Hello,

Could you please report a bug about that ? Thanks in advance.

Julio a écrit :
> I've tried ATL 3.1.0 (Stable version).
> It appears that the debugger won't stop anywhere, it always executes
> until termination (despite several breakpoints).

Strange. Did you open the debug perspective ?

Best regards,

William

> The problem of different executions persists.
> Apparently the source of the problem is that the string manipulation in
> the "EMF-specific VM" has changed, but I cannot tell how.
> Here is a sample helper that should return an Integer if the input
> string is one integer, otherwise it should return OclUndefined. Try it
> (e.g. with ' -130 ', or ' 2 5 ')
>
> helper context String def: Trim2Integer():
> Integer = let s:String = self.trim() in
> let ss:Sequence(String) = s->toSequence() in
> let ints:Sequence(String) = '0123456789'->toSequence() in
> if ss.first() = '-' then
> let sp:Sequence(String) = ss->excluding('-') in
> if ints->includesAll(sp) then
> 0-(sp->iterate(i;acc:String=''| acc+i).toInteger())
> else OclUndefined endif
> else
> if ints->includesAll(ss) then
> s.toInteger()else OclUndefined endif
> endif;
>
> J.

--
Ne manquez pas notre prochaine formation ATL inter entreprises:
ATL - Paris - du 2 au 3 Décembre 2009
Pour plus de dates et pour le détail de cette formation:
http://www.obeo.fr/pages/formations/fr

Don't forget our next ATL training:
ATL - Paris - 2009 December from 2th to 3th
More dates and training program on:
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Re: [ATL] Two virtual machines, two transformations results [message #497150 is a reply to message #496623]

Thu, 12 November 2009 11:53

Eclipse User

Hi William,

About your question of opening the Debug perspective.
Yes, I did.
Can you do it otherwise?

J.

p.s. Can you test strings for equality, in ATL, using the '=' symbol?
I could not find this symbol in ATL documentation, but I use it myself.
Perhaps this causes problems...

Re: [ATL] Two virtual machines, two transformations results [message #497980 is a reply to message #497150]

Fri, 13 November 2009 10:14

Eclipse User

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Hello,

The = operator is described here:
http://wiki.eclipse.org/ATL/User_Guide#OclAny_operations
As it is available for any type (Strings included).

Anyway, the problem you have is due to an incorrect implementation of
the includesAll() method. Could you report a bug about that (
https://bugs.eclipse.org/bugs/enter_bug.cgi?product=M2M ), e.g.
"includesAll() does not work in EMFVM" ?

Thanks in advance,

William

Julio a écrit :
> Hi William,
>
> About your question of opening the Debug perspective.
> Yes, I did.
> Can you do it otherwise?
>
> J.
>
> p.s. Can you test strings for equality, in ATL, using the '=' symbol?
> I could not find this symbol in ATL documentation, but I use it myself.
> Perhaps this causes problems...

--
Ne manquez pas notre prochaine formation ATL inter entreprises:
ATL - Paris - du 2 au 3 Décembre 2009
Pour plus de dates et pour le détail de cette formation:
http://www.obeo.fr/pages/formations/fr

Don't forget our next ATL training:
ATL - Paris - 2009 December from 2th to 3th
More dates and training program on:
http://www.obeo.fr/pages/formations/fr

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name="william_piers.vcf"
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