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/*******************************************************************************
* Copyright (c) 2016, 2017 Willink Transformations and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* E.D.Willink - Initial API and implementation
*******************************************************************************/
package org.eclipse.qvtd.compiler.internal.qvts2qvti;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.ocl.pivot.Import;
import org.eclipse.ocl.pivot.Iteration;
import org.eclipse.ocl.pivot.LoopExp;
import org.eclipse.ocl.pivot.Model;
import org.eclipse.ocl.pivot.NamedElement;
import org.eclipse.ocl.pivot.Namespace;
import org.eclipse.ocl.pivot.Operation;
import org.eclipse.ocl.pivot.OperationCallExp;
import org.eclipse.ocl.pivot.OppositePropertyCallExp;
import org.eclipse.ocl.pivot.Property;
import org.eclipse.ocl.pivot.PropertyCallExp;
import org.eclipse.ocl.pivot.utilities.ClassUtil;
import org.eclipse.ocl.pivot.utilities.NameUtil;
import org.eclipse.ocl.pivot.utilities.PivotUtil;
import org.eclipse.ocl.pivot.utilities.TreeIterable;
import org.eclipse.qvtd.compiler.ProblemHandler;
import org.eclipse.qvtd.compiler.internal.qvtm2qvts.RegionUtil;
import org.eclipse.qvtd.compiler.internal.qvtm2qvts.ScheduleManager;
import org.eclipse.qvtd.pivot.qvtbase.Transformation;
import org.eclipse.qvtd.pivot.qvtbase.utilities.QVTbaseEnvironmentFactory;
import org.eclipse.qvtd.pivot.qvtimperative.ImperativeModel;
import org.eclipse.qvtd.pivot.qvtimperative.ImperativeTypedModel;
import org.eclipse.qvtd.pivot.qvtimperative.QVTimperativePackage;
import org.eclipse.qvtd.pivot.qvtimperative.utilities.QVTimperativeHelper;
import org.eclipse.qvtd.pivot.qvtschedule.ScheduledRegion;
import org.eclipse.qvtd.pivot.qvtschedule.utilities.SymbolNameReservation;
/**
* QVTs2QVTi supervises the serialization of a QVTs schedule as a QVTi transformation.
*/
public class QVTs2QVTi extends QVTimperativeHelper
{
protected final @NonNull ProblemHandler problemHandler;
public QVTs2QVTi(@NonNull ProblemHandler problemHandler, @NonNull QVTbaseEnvironmentFactory environmentFactory) {
super(environmentFactory);
this.problemHandler = problemHandler;
}
protected void resolveImports(@NonNull Model model) {
Set<@NonNull Namespace> importedNamespaces = new HashSet<@NonNull Namespace>();
for (EObject eObject : new TreeIterable(model, false)) {
if (eObject instanceof ImperativeTypedModel) {
for (Namespace importedNamespace : ClassUtil.nullFree(((ImperativeTypedModel)eObject).getUsedPackage())) {
if (!importedNamespaces.contains(importedNamespace)) {
importedNamespaces.add(importedNamespace);
}
}
}
else if (eObject instanceof OperationCallExp) {
Operation asOperation = ((OperationCallExp)eObject).getReferredOperation();
if (asOperation != null) {
org.eclipse.ocl.pivot.Class asClass = asOperation.getOwningClass();
if (asClass != null) {
org.eclipse.ocl.pivot.Package asPackage = asClass.getOwningPackage();
if (asPackage != null) {
importedNamespaces.add(asPackage);
}
}
}
}
else if (eObject instanceof LoopExp) {
Iteration asIteration = ((LoopExp)eObject).getReferredIteration();
if (asIteration != null) {
org.eclipse.ocl.pivot.Class asClass = asIteration.getOwningClass();
if (asClass != null) {
org.eclipse.ocl.pivot.Package asPackage = asClass.getOwningPackage();
if (asPackage != null) {
importedNamespaces.add(asPackage);
}
}
}
}
else if (eObject instanceof PropertyCallExp) {
Property asProperty = ((PropertyCallExp)eObject).getReferredProperty();
if (asProperty != null) {
org.eclipse.ocl.pivot.Class asClass = asProperty.getOwningClass();
if (asClass != null) {
org.eclipse.ocl.pivot.Package asPackage = asClass.getOwningPackage();
if (asPackage != null) {
importedNamespaces.add(asPackage);
}
}
}
}
else if (eObject instanceof OppositePropertyCallExp) {
Property asProperty = ((OppositePropertyCallExp)eObject).getReferredProperty();
if (asProperty != null) {
org.eclipse.ocl.pivot.Class asClass = asProperty.getOwningClass();
if (asClass != null) {
org.eclipse.ocl.pivot.Package asPackage = asClass.getOwningPackage();
if (asPackage != null) {
importedNamespaces.add(asPackage);
}
}
}
}
}
List<@NonNull Namespace> sortedImportedNamespaces = new ArrayList<@NonNull Namespace>(importedNamespaces);
// for (@NonNull TypedModel typedModel : ClassUtil.nullFree(qvtiTransformation.getModelParameter())) {
// for (Namespace importedNamespace : ClassUtil.nullFree(typedModel.getUsedPackage())) {
// if (!importedNamespaces.contains(importedNamespace)) {
// importedNamespaces.add(importedNamespace);
// }
// }
// }
Collections.sort(sortedImportedNamespaces, NameUtil.NAMEABLE_COMPARATOR);
List<Import> ownedImports = model.getOwnedImports();
for (@NonNull Namespace importedNamespace : sortedImportedNamespaces) {
ownedImports.add(createImport(null, importedNamespace));
}
}
protected void resolveTransformation(@NonNull Model model, @NonNull ScheduledRegion scheduledRegion) {
ScheduleManager scheduleManager = RegionUtil.getScheduleManager(scheduledRegion);
SymbolNameReservation symbolNameReservation = scheduleManager.getScheduleModel().getSymbolNameAdapter();
Transformation transformation = scheduleManager.getTransformation();
QVTs2QVTiVisitor visitor = new QVTs2QVTiVisitor(problemHandler, this, transformation, symbolNameReservation);
Transformation qvtiTransformation = (Transformation)scheduledRegion.accept(visitor);
NamedElement qvtiChild = qvtiTransformation;
for (org.eclipse.ocl.pivot.Package qvtmPackage = transformation.getOwningPackage(); qvtmPackage != null; qvtmPackage = qvtmPackage.getOwningPackage()) {
org.eclipse.ocl.pivot.@NonNull Package qvtiPackage = createPackage(ClassUtil.nonNull(qvtmPackage.getName()), qvtmPackage.getNsPrefix(), qvtmPackage.getURI());
if (qvtiChild instanceof Transformation) {
qvtiPackage.getOwnedClasses().add((Transformation)qvtiChild);
}
else {
qvtiPackage.getOwnedPackages().add((org.eclipse.ocl.pivot.Package)qvtiChild);
}
qvtiChild = qvtiPackage;
}
model.getOwnedPackages().add((org.eclipse.ocl.pivot.Package)qvtiChild);
}
public @NonNull Model transform(@NonNull ScheduledRegion scheduledRegion) {
Model model = PivotUtil.createModel(ImperativeModel.class, QVTimperativePackage.Literals.IMPERATIVE_MODEL, null);
resolveTransformation(model, scheduledRegion);
resolveImports(model);
return model;
}
}
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