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Cross Referencing with a different attribute of a rule [message #1032430]

Wed, 03 April 2013 01:43

Roza Ghamari

Messages: 82
Registered: January 2013

Member

Hi all,

In my DSL, I need to cross reference a rule using a different variable than it's name. For example my rule is like:

rule1:
name = ID "and" name2 = ID
;

rule2:
"ref" [rule1|name2]
;

This always gives errors and cannot be compiled.

I also tried adding a rule for name2 like

Name2String return ecore::EString:
ID
;

The error is going away when I change the rule2 to "ref" [rule1|Name2String] but it still uses the default name attribute in rule1 to reference it.

Is there any way to solve this problem in xtext?

Thanks very much!

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Re: Cross Referencing with a different attribute of a rule [message #1032528 is a reply to message #1032430]

Wed, 03 April 2013 05:22

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

Hi you have to customize the iqualifiednameprovider
http://christiandietrich.wordpress.com/2011/07/16/iqualifiednameproviders-in-xtext-2-0/
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[Updated on: Wed, 03 April 2013 05:48]

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