Context:
	(documentation=ML_DOC_COMMENT)? 
	'context' name=CTXT_FQN ('extends' parentContext=[Context|CTXT_FQN] )? ('countryCode' countryCode=STRING )? '{' 
	('data-dictionary' '{'
	attributes+=(Attribute)*
	'}')?
	('entity-catalog' '{'
	entities+=Entity*
	'}')?
	('list-values' '{'
	listValues+=ListValue*
	'}')?
	'}';

Attribute:
	AttributeSimpleType | AttributeEntityType 
;

AttributeEntityType:
	(documentation=ML_DOC_COMMENT)? 
	name=ID (type=[Entity|GENERAL_FQN]|type=[Entity|ID]) funcName=STRING (desc=STRING)? (labels = Labels)? (deprecated?='deprecated')? ';';

Entity:
	(documentation=ML_DOC_COMMENT)? 
	type=('business' | 'static' | 'system' | 'lookup')? name=ID funcName=STRING (desc=STRING)? (labels = Labels)? ('extends' parentEntity=[Entity|GENERAL_FQN])? (deprecated?='deprecated')? '{'
	features+=(Feature)*
	('data' '{'
	data+=DataValue ( "," data+=DataValue)* 
	'}'
	)?
	'}';

Feature:
	(documentation=ML_DOC_COMMENT)? 
	(type=FeatureAttributeType | type=FeatureEntityType)
	;

FeatureAttributeType:
	(type=[AttributeSimpleType|ID]|type=[AttributeSimpleType|GENERAL_FQN]) ('constrained' (lookup=[ListValue|ID]|lookup=[ListValue|GENERAL_FQN]) | 'references' refType=[Entity])?;

	
ListValue:
	(documentation=ML_DOC_COMMENT)?
	name=ID funcName=STRING (desc=STRING)? (deprecated?='deprecated')? type=(ListValueInt | ListValueString | ListValueFloat) 
;

terminal VERSION:
    INT '.' INT '.' INT ;

terminal CTXT_FQN:
    ID '-' VERSION ;

terminal GENERAL_FQN:
	CTXT_FQN'.'ID;

if (reference == ePackage.entity_ParentEntity && context instanceof Entity){
    val entity=context as Entity;
    return scopeForParentEntity(entity,context,reference)
}	
if(reference == ePackage.attributeEntityType_Type && context instanceof Context){
    return scopeForAttributeParentEntity(context,reference)
}
if( (reference == ePackage.featureAttributeType_Type || reference == ePackage.featureEntityType_Attribute) && context instanceof Entity){
    return scopeForFeature(context,reference)
}
if (reference == ePackage.featureAttributeType_Lookup && context instanceof FeatureAttributeType){
    return scopeForLookup(context,reference)
}

def protected IScope scopeForParentEntity(Entity entity,EObject context, EReference reference){
	val container=entity.eContainer as Context;
	val List<Entity> entities=newArrayList;
	setEntities(container, entities);
	return Scopes::scopeFor(entities.filter[e | e.type.nullOrEmpty || e.type.equals("business")], [QualifiedName.create((it.eContainer as Context).name.split("\\.")).append(it.name)],IScope.NULLSCOPE);
}

def protected IScope scopeForAttributeParentEntity(EObject context, EReference reference){
	val List<Entity> entities=newArrayList;
	val container = context as Context
	setEntities(container, entities);
	return Scopes::scopeFor(entities, [QualifiedName.create((it.eContainer as Context).name.split("\\.")).append(it.name)],IScope.NULLSCOPE)
}

def protected void setEntities(Context context, List<Entity> entities){
	entities.addAll(context.entities);
	if(context.parentContext !== null && !context.getName.equals(context.parentContext.getName)){
		setEntities(context.parentContext,entities);
}
}
	
def protected IScope scopeForFeature(EObject context, EReference reference){
	val List<Attribute> attributes=newArrayList;
	val container = context.eContainer as Context
	setFeatures(container, attributes);
	return Scopes::scopeFor(attributes, [QualifiedName.create((it.eContainer as Context).name.split("\\.")).append(it.name)],IScope.NULLSCOPE);
}
	
def protected void setFeatures(Context context, List<Attribute> attributes){
	attributes.addAll(context.attributes);
	if(context.parentContext !== null && !context.getName.equals(context.parentContext.getName)){
		setFeatures(context.parentContext,attributes);
	}
}
	
def protected IScope scopeForLookup(EObject context, EReference reference){
	val List<ListValue> listsOfValues=newArrayList;
	val container = context.eContainer.eContainer.eContainer as Context
	setListsOfValues(container, listsOfValues);
	return Scopes::scopeFor(listsOfValues, [QualifiedName.create((it.eContainer as Context).name.split("\\.")).append(it.name)],IScope.NULLSCOPE);
}
	
def protected void setListsOfValues(Context context, List<ListValue> listsOfValues){
	listsOfValues.addAll(context.listValues);
	if(context.parentContext !== null && !context.getName.equals(context.parentContext.getName)){
		setListsOfValues(context.parentContext,listsOfValues);
	}
}