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Generator problems when using cross references in xtext [message #1211699]

Tue, 26 November 2013 15:22

Arshad Adavani

Messages: 163
Registered: July 2013
Location: Bangalore

Senior Member

Hello all,
I have 2 grammars say Grammar1 and Grammar2.

My Grammar2 is referencing some objects (Not all) in Grammar1.

Now a scenario,
Say DSL of my Grammar1 has some error, no doubt its generator will not be called that's fine.

But, DSL of my Grammar2 doesn't have even a single error and hence generator will be called, but as it is referencing to DSL of Grammar1, the generator of Grammar1 results in some errors.

So what I basically need is, if the cross referenced DSL doesn't have any error then proceed with generation or abort it.

How can I achieve it?

Thanks in advance Smile

Arshad

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Re: Generator problems when using cross references in xtext [message #1213322 is a reply to message #1211699]

Wed, 27 November 2013 07:33

Sven Efftinge

Messages: 1823
Registered: July 2009

Senior Member

You should validate your Grammar2 language to have everything the generator needs. So if you are referencing elements from Grammar1 and need to retrieve some information from them during code generation. You should add a validation rule that checks whether this information is available and if not tell the user by adding an issue.

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