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/*******************************************************************************
* Copyright (c) 2016, 2019 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.compiler.internal.qvts2qvti;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
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.Namespace;
import org.eclipse.ocl.pivot.Operation;
import org.eclipse.ocl.pivot.OperationCallExp;
import org.eclipse.ocl.pivot.OppositePropertyCallExp;
import org.eclipse.ocl.pivot.Package;
import org.eclipse.ocl.pivot.Property;
import org.eclipse.ocl.pivot.PropertyCallExp;
import org.eclipse.ocl.pivot.internal.manager.Orphanage;
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.qvtb2qvts.ScheduleManager;
import org.eclipse.qvtd.compiler.internal.qvtb2qvts.trace.Transformation2TracePackage;
import org.eclipse.qvtd.pivot.qvtbase.Transformation;
import org.eclipse.qvtd.pivot.qvtbase.TypedModel;
import org.eclipse.qvtd.pivot.qvtbase.utilities.QVTbaseEnvironmentFactory;
import org.eclipse.qvtd.pivot.qvtbase.utilities.QVTbaseUtil;
import org.eclipse.qvtd.pivot.qvtimperative.ImperativeModel;
import org.eclipse.qvtd.pivot.qvtimperative.ImperativeTransformation;
import org.eclipse.qvtd.pivot.qvtimperative.utilities.QVTimperativeHelper;
import org.eclipse.qvtd.pivot.qvtimperative.utilities.QVTimperativeUtil;
import org.eclipse.qvtd.pivot.qvtschedule.RootRegion;
import org.eclipse.qvtd.pivot.qvtschedule.utilities.QVTscheduleUtil;
import org.eclipse.qvtd.pivot.qvtschedule.utilities.SymbolNameBuilder;
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 ScheduleManager scheduleManager;
protected final @NonNull ProblemHandler problemHandler;
public QVTs2QVTi(@NonNull ScheduleManager scheduleManager, @NonNull ProblemHandler problemHandler, @NonNull QVTbaseEnvironmentFactory environmentFactory) {
super(environmentFactory);
this.scheduleManager = scheduleManager;
this.problemHandler = problemHandler;
assert scheduleManager.getEnvironmentFactory() == environmentFactory;
}
protected @NonNull Package getPackage(@NonNull ImperativeModel iModel, org.eclipse.ocl.pivot.@NonNull Package asPackage) {
List<org.eclipse.ocl.pivot.@NonNull Package> iPackages;
org.eclipse.ocl.pivot.Package asParentPackage = asPackage.getOwningPackage();
if (asParentPackage != null) {
org.eclipse.ocl.pivot.@NonNull Package iParentPackage = getPackage(iModel, asParentPackage);
iPackages = QVTimperativeUtil.Internal.getOwnedPackagesList(iParentPackage);
}
else {
iPackages = QVTimperativeUtil.Internal.getOwnedPackagesList(iModel);
}
String name = PivotUtil.getName(asPackage);
org.eclipse.ocl.pivot.Package iPackage = NameUtil.getNameable(iPackages, name);
if (iPackage == null) {
iPackage = createPackage(name, asPackage.getNsPrefix(), asPackage.getURI());
iPackages.add(iPackage);
}
return iPackage;
}
public @NonNull ProblemHandler getProblemHandler() {
return problemHandler;
}
public @NonNull ScheduleManager getScheduleManager() {
return scheduleManager;
}
protected @NonNull ImperativeTransformation getTransformation(@NonNull ImperativeModel iModel, @NonNull Transformation asTransformation) {
org.eclipse.ocl.pivot.Package asParentPackage = ClassUtil.nonNullState(asTransformation.getOwningPackage());
org.eclipse.ocl.pivot.@NonNull Package iParentPackage = getPackage(iModel, asParentPackage);
List<org.eclipse.ocl.pivot.@NonNull Class> iClasses = QVTimperativeUtil.Internal.getOwnedClassesList(iParentPackage);
String name = PivotUtil.getName(asTransformation);
org.eclipse.ocl.pivot.Class iTransformation = NameUtil.getNameable(iClasses, name);
if ((iTransformation == null) || !(iTransformation instanceof ImperativeTransformation)) {
iTransformation = createTransformation(name);
iClasses.add(iTransformation);
Transformation2TracePackage transformation2TracePackage = scheduleManager.getTransformation2TracePackage(asTransformation);
org.eclipse.ocl.pivot.Class transformationTraceClass = transformation2TracePackage.getTransformationTraceClass();
((ImperativeTransformation)iTransformation).setContextType(transformationTraceClass);
for (@NonNull TypedModel qvtmTypedModel : QVTbaseUtil.getModelParameters(asTransformation)) {
TypedModel qvtiTypedModel = createTypedModel(PivotUtil.getName(qvtmTypedModel));
qvtiTypedModel.getUsedPackage().addAll(qvtmTypedModel.getUsedPackage());
qvtiTypedModel.setIsPrimitive(qvtmTypedModel.isIsPrimitive());
qvtiTypedModel.setIsThis(qvtmTypedModel.isIsThis());
qvtiTypedModel.setIsTrace(qvtmTypedModel.isIsTrace());
}
}
return (ImperativeTransformation) iTransformation;
}
protected @NonNull TypedModel getTypedModel(@NonNull ImperativeTransformation iTransformation, @NonNull TypedModel asTypedModel) {
TypedModel iTypedModel = NameUtil.getNameable(QVTimperativeUtil.getModelParameters(iTransformation), PivotUtil.getName(asTypedModel));
if (iTypedModel == null) {
iTypedModel = createTypedModel(PivotUtil.getName(asTypedModel));
iTypedModel.getUsedPackage().addAll(asTypedModel.getUsedPackage());
iTypedModel.setIsPrimitive(asTypedModel.isIsPrimitive());
iTypedModel.setIsThis(asTypedModel.isIsThis());
iTypedModel.setIsTrace(asTypedModel.isIsTrace());
iTransformation.getModelParameter().add(iTypedModel);
}
return iTypedModel;
}
protected @NonNull Map<@NonNull TypedModel, @NonNull TypedModel> getTypedModels(@NonNull ImperativeTransformation iTransformation, @NonNull Transformation asTransformation) {
@NonNull Map<@NonNull TypedModel, @NonNull TypedModel> asTypedModel2qvtiTypedModel = new HashMap<>();
for (@NonNull TypedModel asTypedModel : QVTbaseUtil.getModelParameters(asTransformation)) {
TypedModel iTypedModel = getTypedModel(iTransformation, asTypedModel);
asTypedModel2qvtiTypedModel.put(asTypedModel, iTypedModel);
}
return asTypedModel2qvtiTypedModel;
}
public void resolveImports(@NonNull ImperativeModel model) {
Set<@NonNull Namespace> importedNamespaces = new HashSet<@NonNull Namespace>();
for (EObject eObject : new TreeIterable(model, false)) {
if (eObject instanceof TypedModel) {
for (Namespace importedNamespace : ClassUtil.nullFree(((TypedModel)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) {
if (!(importedNamespace instanceof org.eclipse.ocl.pivot.Package) || !Orphanage.isTypeOrphanage((org.eclipse.ocl.pivot.Package)importedNamespace)) {
SymbolNameBuilder s = new SymbolNameBuilder();
s.appendString("mm_");
// for (@NonNull String partialName : partialNames) {
// s.appendString("_");
// s.appendName(partialName);
// }
s.appendName(importedNamespace.getName());
s.appendName("MM");
String name = model.reserveSymbolName(s, importedNamespace);
ownedImports.add(createImport(name, importedNamespace)); // FIXME BUG 530025 bad aliases
}
}
}
public @NonNull Model transform(@NonNull ImperativeModel model, @NonNull RootRegion rootRegion) {
SymbolNameReservation symbolNameReservation = scheduleManager.getScheduleModel().getSymbolNameAdapter();
Transformation asTransformation = QVTscheduleUtil.getReferredTransformation(rootRegion);
ImperativeTransformation iTransformation = getTransformation(model, asTransformation);
Map<@NonNull TypedModel, @NonNull TypedModel> asTypedModel2qvtiTypedModel = getTypedModels(iTransformation, asTransformation);
QVTs2QVTiVisitor visitor = new QVTs2QVTiVisitor(this, symbolNameReservation, asTypedModel2qvtiTypedModel);
rootRegion.accept(visitor);
return model;
}
}
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