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Hyperlinks - more than one possible hyperlink destinations? [message #811080]

Thu, 01 March 2012 22:57

Mikka Missing name

Messages: 2
Registered: November 2011

Junior Member

Hi everybody,

I'm trying to provide hyperlinks for the most of the language elements of my xtext project. But now I stuck with hyperlinks that may have more than one possible destination:

Type1: 
    name=ID value=Value;

Type2:
    name=ID value=Value;

Type3:
    value=[Type1] | value=[Type2];

As you can see, Type3 consists of an instance of Type1 OR Type2 and should link to them (by using the square bracket syntax). When I try to generate the workflow/classes (via the 'Generate<Language>.mwe2' file) a FileNotFoundException is thrown because 'Internal<Language>Lexer.java' was not generated.

I tried it with following constructs:

Type3:
    value=[Type1] | value=[Type2];

Type3:
    value=([Type1] | [Type2]);

Type3:
    type1=[Type1] | type2=[Type2];

Is there a possibility to use hyperlinks for those constructs?

Kind regards,
Mikka

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Re: Hyperlinks - more than one possible hyperlink destinations? [message #811299 is a reply to message #811080]

Fri, 02 March 2012 06:51

Christian Dietrich

Messages: 13425
Registered: July 2009

Senior Member

Hi you have to introduce a common super type

Type1OrType2: Type1 | Type2;

And reference this common supertype

Type3: ref=[Type1OrType2]

Need professional support for Xtext, Xpand, EMF?
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