grammar org.xtext.example.mydsl.MyDsl with org.eclipse.xtext.common.Terminals

generate myDsl "http://www.xtext.org/example/mydsl/MyDsl"

Module:
	(imports+=Import)*
	"Module" name=ID "{"		
		(enitities+=Entity)*
	'}'
	;
	
Entity:
	'entity' name=ID '{'
		(references+=Reference)*
	'}';


Reference:
	to=[Entity] name=ID ';'
;
	
	
Import:
	'import' importedNamespace=QualifiedNameWithWildCard;
	
QualifiedNameWithWildCard :
	QualifiedName  ('.' '*')?;
	
	
QualifiedName:
  ValidID (=>'.' ValidID)*;
 
ValidID:
	ID
;

Module x {
	entity X1 { }
	
	entity X2 {
		  X1 x1;
	}
}

import x.*

Module y {
	entity Y {
		X1 a; 
	}
}