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Cross-reference to duplicated classes [message #629446]

Tue, 28 September 2010 10:26

nataly

Messages: 5
Registered: July 2010

Junior Member

Hello all!

In my dsl I have cross-reference to the parent class, like this:

Declaration : 'class' name=CLASS_NAME (':' superType=[Declaration|CLASS_NAME])?

for example class A : B

In my target project class B is declared several times in different files. So I get the error "Couldn't resolve reference to Declaration" (reference to the class B).

I want this link to reference any one of duplicated classed (it doesn't matter what specifically) and show warning instead of error.

How it can be done? User guide has very little information about customizing hyperlinks.

Thank you in advance for any help.

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Re: Cross-reference to duplicated classes [message #629470 is a reply to message #629446]

Tue, 28 September 2010 12:23

Meinte Boersma

Messages: 434
Registered: July 2009
Location: Leiden, Netherlands

Senior Member

You might try and do this through scoping, by picking exactly one of the B classes and returning that as the only item in scope -I think the defaults require to have distinct names (EObjectDescription#name in fact) in the scope. Then, you validate the Declaration by checking whether the linked class has a duplicate name.

Xtext blogs: executable models...again? | workshop material | custom scoping with Xtend

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