xtext - Which entity does a cross-reference refer? -


if have following input 

test = 3; //first test = test + 3; //second

parsed grammar looks (for example)

declaration:     name=id "=" declarationcontent ;      declarationcontent:         number=int ("+" declarationcontent)?         | reference=[declaration] ("+" declarationcontent)?     ;

to declaration reference refer (looking @ second declaration in example)? or in other words reference "test" (second declaration) refer first declaration ("test = 3;") or directly ("test = test+ 3") , therefor cycle in hierarchy.

greeting krzmbrzl

xtext link cross reference [declaration] first elemenent identified given id. in example hello + 3, cross reference behind hello resolved declaration hello in line 1. if have more 1 element same (qualified) name within same scope (container of visibility) xtext throw exception. should

  1. implement own scopeprovider (use generated stub in your.dsl.scoping.yourdslscopeprovider) resolve problem or

  2. use composed check automatically validate names.

    fragment = validation.javavalidatorfragment auto-inject {     composedcheck = "org.eclipse.xtext.validation.namesareuniquevalidator" }

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