3 Feb
2009
3 Feb
'09
9:54 p.m.
On Feb 3, 2009, at 8:32 PM, Tudor Girba wrote:
Hi,
I disagree for the version name to be in the name of the package.
The version should be marked outside of the actual data.
I would suggest to create a header with this kind of meta data.
Regarding iPlasma, I believe it would take slightly long until the
exporter gets in the release of iPlasma. This is because iPlasma is
not open source.
Doru just a question. What would happen if you are not working on
reengineering in the future?
Will be they willing to still let us use iplasma to export FAMIX?
But, in the meantime, I would actually suggest to create a script to
translate the existing FAMIX 2.1 Meta/MSE into the new FAMIX 3.0
Fame/MSE using Regexp or something like that.
Cheers,
Doru
On Feb 3, 2009, at 6:33 PM, Simon Denier wrote:
On 3 févr. 09, at 18:05, Tudor Girba wrote:
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Hi Simon,
iPlasma exports for Moose/Meta/FAMIX 2.1, and the file is
incompatible with Moose/Fame/FAMIX 3.0 because of two reasons:
1. because the MSE syntax changed slightly
2. because FAMIX changed
The syntax of MSE is stable now. When we will get a stable version
of FAMIX, I will work to create another exporter from iPlasma.
I'm cool with that, but do you have a date in mind?
Still I think it will be good to use the FAMIX2/FAMIX3 convention
suggested below to distinguish between both model in MSE, simply to
avoid name mismatch. It will be a minor fix and for older importer,
a batch replacement of FAMIXx by FAMIX is not very difficult.
PS: my personal opinion is that the Famix3 implementation in
SqMoose is now usable, although some tests are still red (more
related to Moose than to Famix) and there should still be some bugs
in some place.
(disclaimer :) currently the Smalltalk importer does not infer
previous/next attributes in Famix Association)
So it's not an official announcement, but we will begin to use it
for our own work.
Cheers,
Doru
On Feb 3, 2009, at 5:59 PM, Simon Denier wrote:
--
Simon
Hi everybody
I'm trying to use iPlasma to parse Java source files, export the
model as MSE, then import them in SqMoose using Fame.
I ran into a couple of problems when doing this, specificall the
MSE format built with iPlasma is not well parsed by Fame.
Here is a sample generated by iPlasma:
Beginning of MSE file:
(Moose.Model (entity
A) According to the MSE spec, the file cant begin directly with a
name like that, should be ((Moose.Model (entity (....))
Besides, I dont see the point of this header, it works fine
without it.
(FAMIX.Namespace
(id: 6)
(name 'java::lang')
)
B) Fame infers accessor 'smalltalk-style', ie it will call #name:
to set the name of the Namespace entity in the example above.
It works in Famix3 but not in Famix2, where the setter is
declared as #setName: . It's alright with the inference rule of
Meta (as I far as I remember) but not with the new one. We
should add those accessors in Famix2 for seamless access.
(FAMIX.Class
(id: 3)
(name 'Object')
(belongsTo (idref: 6))
(isAbstract false)
(isInterface false)
C) Fame does not recognize the idref: syntax, only the ref:
syntax. The MSE spec is inconsistent about that: the grammar only
defines the ref: syntax as Fame does, but the doc talks about
both an IDREF command and a 'REF command for metamodels only'.
D) Finally, the biggest hurdle is that we dont know directly with
which version of Famix the file was created. For example, the
FAMIX package in SqMoose matches Famix3, and Famix2 is defined in
a FAMIX2 package. This leads to a mismatch when trying to load
the above file which was generated with Famix2 (unless batch
editing all FAMIX -> FAMIX2)
My suggestion is that each Famix metamodel should explicitely
declare its version in its Fame package name, either Famix2 or
Famix3, like that:
FAMIXClass class>>annotation
<MSEClass: #Class super: 'FAMIX3.Type'>
<package: #FAMIX3>
^self
Does it sound ok?
--
Simon
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