+ added support for collection items and member references to TO data...

context DataReference

  -- 'DataUse' restrictions within 'DataReference'

  inv DataReferenceContents ('Only \'StaticDataUse\' may be used directly or indirectly in \'ParameterBinding\'s of the \'StaticDataUse\' within a \'DataReference\'.' + self.toString()):

    self.content.oclIsTypeOf(StaticDataUse)

          and self.content.argument->forAll(a | a.dataUse.oclIsKindOf(StaticDataUse))

  inv DataReferenceContents ('Only effectively static \'DataUse\'s may be used directly or indirectly in \'ParameterBinding\'s of the \'DataUse\' within a \'DataReference\'.' + self.toString()):

    self.content.isEffectivelyStatic()

          and self.content.argument->forAll(a | a.dataUse.isEffectivelyStatic())

          and self.content.argument->closure(a | 

          a.dataUse.argument)->forAll(a|a.dataUse.oclIsKindOf(StaticDataUse))

  -- No 'reduction' within 'DataReference'

  inv DataReferenceReduction ('The \'reduction\' property of \'StaticDataUse\' inherited from \'DataUse\' shall not be used within a \'DataReference\'.' + self.toString()):

    self.content.reduction->isEmpty()

          a.dataUse.argument)->forAll(a|a.dataUse.isEffectivelyStatic())

TODataElementUse returns tdl::DataElementUse:

    dataElement=[tdl::NamedElement|TOIdentifier]

    //UnassignedFragmentNamedElement?

	TOParameterBindingFragment?

	(TOParameterBindingFragment | TOCollectionItemFragment | TOMemberReferenceFragment)? 

	//ReductionFragment?

	//TODO: for some reason the fragment breaks serialisation..

	//(reduction+=MemberReference)*

;

fragment TOParameterBindingFragment returns tdl::DataUse:

    'containing' BEGIN (argument+=TOParameterBinding ( ',' argument+=TOParameterBinding)*)? END

    'containing' BEGIN argument+=TOParameterBinding ( ',' argument+=TOParameterBinding)* END

;

fragment TOCollectionItemFragment returns tdl::DataElementUse:

    'containing' BEGIN item+=TODataElementUse (',' item+=TODataElementUse)* END

;

fragment TOMemberReferenceFragment returns tdl::DataUse:

    (reduction+=TOMemberReference)+

;

TOMemberReference returns tdl::MemberReference:

    ('.' member=[tdl::Member|TightName])

    |

    ('.' 'get' LParen collectionIndex=TODataUse RParen)

;

TOParameterBinding returns tdl::ParameterBinding: