| /******************************************************************************* |
| * Copyright (c) 2015, 2018 Willink Transformations and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * E.D.Willink - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.qvtd.pivot.qvtrelation.attributes; |
| |
| import java.util.List; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.ocl.pivot.internal.scoping.AbstractAttribution; |
| import org.eclipse.ocl.pivot.internal.scoping.EnvironmentView; |
| import org.eclipse.ocl.pivot.internal.scoping.ScopeView; |
| import org.eclipse.qvtd.pivot.qvtbase.Domain; |
| import org.eclipse.qvtd.pivot.qvtrelation.DomainPattern; |
| import org.eclipse.qvtd.pivot.qvtrelation.Relation; |
| import org.eclipse.qvtd.pivot.qvtrelation.RelationCallExp; |
| import org.eclipse.qvtd.pivot.qvtrelation.RelationDomain; |
| |
| public class RelationCallExpAttribution extends AbstractAttribution |
| { |
| public static final RelationCallExpAttribution INSTANCE = new RelationCallExpAttribution(); |
| |
| @Override |
| public ScopeView computeLookup(@NonNull EObject target, @NonNull EnvironmentView environmentView, @NonNull ScopeView scopeView) { |
| RelationCallExp targetElement = (RelationCallExp)target; |
| EObject child = scopeView.getChild(); |
| int index = targetElement.getArgument().indexOf(child); |
| if (index >= 0) { |
| for (EObject eObject = targetElement; eObject != null; eObject = eObject.eContainer()) { |
| if (eObject instanceof Relation) { |
| List<Domain> domains = ((Relation)eObject).getDomain(); |
| if (index < domains.size()) { |
| RelationDomain relationDomain = (RelationDomain)domains.get(index); |
| if (relationDomain != null) { |
| for (DomainPattern pattern : relationDomain.getPattern()) { |
| if (pattern != null) { |
| environmentView.addNamedElements(pattern.getBindsTo()); |
| } |
| } |
| if (environmentView.hasFinalResult()) { |
| return null; |
| } |
| } |
| } |
| break; |
| } |
| } |
| } |
| return scopeView.getParent(); |
| } |
| } |