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extending OCL MDT with "just" a temporal operator always [message #936997]

Mon, 08 October 2012 14:58

Fy Za

Messages: 245
Registered: March 2010

Senior Member

Hi all,
As defined in the title, I try to add "just" a temporal operator "always"
in the MDT/OCL.
I add it in the EssentialOCL xtext grammar

EssentialOCLPrefixOperator:
	'-' | 'not'
	| 'always';

but when I try to write some constraints,
I has this error "Unresolved Operation 'Boolean::always()'"

I find that I should extend oclstdlib, pivot, etc.
but I don't know the order of changes.
what are the several steps?

Best regards,
Fy Za

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