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[TCS] Optional keywords in TCS vs. boolean attributes in metamodel... [message #602821]

Tue, 31 July 2007 14:28

Eclipse User

Originally posted by: escalise.gmail.com

Hello all!

I'm using TCS to generate a model of data to be used by a chain of ATL
transformations.

I have a boolean attribute in a class of the metamodel. In the DSL, this
attribute is associated with an optional keyword.

Metamodel excerpt:

class MyClass {
...
attribute booleanFlag : Boolean ;
...
}

TCS excerpt:

template MyClass
: ...
(booleanFlag ? "optionalKeyword") "otherkword" ":" otherAttr ","
...
;

The problem is in the output model. The attribute booleanFlag does not
appear in the model (it must be "false") when the "optionalKeyword" was
not found in the DSL text. I could expect this behavior if the attribute
is optional, but that's not the case.

Any idea?

Thanks in advance

Eugenio Scalise

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