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/*******************************************************************************
* Copyright (c) 2014, 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 (inspired by Horacio Hoyos' prototype)
******************************************************************************/
package org.eclipse.qvtd.compiler.internal.qvtr2qvtc;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.Element;
import org.eclipse.ocl.pivot.Operation;
import org.eclipse.ocl.pivot.Variable;
import org.eclipse.ocl.pivot.utilities.ClassUtil;
import org.eclipse.qvtd.compiler.CompilerChainException;
import org.eclipse.qvtd.compiler.internal.qvtr2qvtc.QVTr2QVTc.RelationComparator;
import org.eclipse.qvtd.compiler.internal.qvtr2qvtc.analysis.RelationAnalysis;
import org.eclipse.qvtd.compiler.internal.qvtr2qvtc.analysis.TransformationAnalysis;
import org.eclipse.qvtd.compiler.internal.qvtr2qvtc.trace.RelationalTransformation2TracePackage;
import org.eclipse.qvtd.compiler.internal.utilities.CompilerUtil;
import org.eclipse.qvtd.pivot.qvtbase.QVTbaseFactory;
import org.eclipse.qvtd.pivot.qvtbase.Transformation;
import org.eclipse.qvtd.pivot.qvtbase.TypedModel;
import org.eclipse.qvtd.pivot.qvtbase.utilities.QVTbaseUtil;
import org.eclipse.qvtd.pivot.qvtcore.utilities.QVTcoreHelper;
import org.eclipse.qvtd.pivot.qvtrelation.Relation;
import org.eclipse.qvtd.pivot.qvtrelation.RelationalTransformation;
import org.eclipse.qvtd.pivot.qvtrelation.utilities.QVTrelationUtil;
import com.google.common.collect.Lists;
public class RelationalTransformation2CoreTransformation extends QVTcoreHelper
{
protected final @NonNull QVTr2QVTc qvtr2qvtc;
protected final @NonNull TransformationAnalysis transformationAnalysis;
protected final @NonNull RelationalTransformation2TracePackage relationalTransformation2tracePackage;
private @Nullable Transformation coreTransformation = null;
/**
* The per-relation conversions.
*/
private @NonNull Map<@NonNull RelationAnalysis, @NonNull Relation2Mappings> relationAnalysis2relation2mapping = new HashMap<>();
public RelationalTransformation2CoreTransformation(@NonNull QVTr2QVTc qvtr2qvtc, @NonNull TransformationAnalysis transformationAnalysis) {
super(qvtr2qvtc.getEnvironmentFactory());
this.qvtr2qvtc = qvtr2qvtc;
this.transformationAnalysis = transformationAnalysis;
this.relationalTransformation2tracePackage = qvtr2qvtc.getRelationalTransformation2TracePackage(transformationAnalysis);
}
public void addRelation2Mappings(@NonNull Relation2Mappings relation2mappings) {
RelationAnalysis relationAnalysis = relation2mappings.getRelationAnalysis();
relationAnalysis2relation2mapping.put(relationAnalysis, relation2mappings);
}
private @NonNull TypedModel createTypedModel(@NonNull Transformation coreTransformation, @Nullable String name, @NonNull List<org.eclipse.ocl.pivot.@NonNull Package> usedPackages) {
TypedModel coreTypedModel = QVTbaseFactory.eINSTANCE.createTypedModel();
coreTypedModel.setName(name);
coreTypedModel.getUsedPackage().addAll(usedPackages);
coreTransformation.getModelParameter().add(coreTypedModel);
return coreTypedModel;
}
public @NonNull Transformation getCoreTransformation() {
return ClassUtil.nonNullState(coreTransformation);
}
public @NonNull Relation2Mappings getRelation2Mappings(@NonNull RelationAnalysis relationAnalysis) {
return ClassUtil.nonNullState(relationAnalysis2relation2mapping.get(relationAnalysis));
}
public @NonNull RelationalTransformation2TracePackage getRelationalTransformation2TracePackage() {
return relationalTransformation2tracePackage;
}
public @NonNull Transformation transform() {
Transformation coreTransformation2 = this.coreTransformation;
assert coreTransformation2 == null;
RelationalTransformation relationalTransformation = transformationAnalysis.getTransformation();
QVTr2QVTc qvtr2qvtc = transformationAnalysis.getQVTr2QVTc();
//
// Create the core Transformation
//
this.coreTransformation = coreTransformation2 = createTransformation(QVTrelationUtil.getName(relationalTransformation));
qvtr2qvtc.putGlobalTrace(coreTransformation2, relationalTransformation);
//
// Create the null-named middle TypedModel
//
org.eclipse.ocl.pivot.@NonNull Package corePackage = relationalTransformation2tracePackage.getTracePackage();
createTypedModel(coreTransformation2, null, Collections.singletonList(corePackage));
//
// Create a non-middle TypedModel per model parameter
//
for (@NonNull TypedModel relationTypedModel : ClassUtil.nullFree(relationalTransformation.getModelParameter())) {
if (!QVTbaseUtil.isTrace(relationTypedModel)) {
TypedModel coreTypedModel = createTypedModel(coreTransformation2, relationTypedModel.getName(), ClassUtil.nullFree(relationTypedModel.getUsedPackage()));
qvtr2qvtc.putTypedModel(relationTypedModel, coreTypedModel);
}
}
for (@NonNull TypedModel relationTypedModel : ClassUtil.nullFree(relationalTransformation.getModelParameter())) {
if (relationTypedModel.getDependsOn().size() > 0) {
TypedModel coreTypedModel = qvtr2qvtc.getCoreTypedModel(relationTypedModel);
for (@NonNull TypedModel relationDependsOn : QVTrelationUtil.getDependsOns(relationTypedModel)) {
coreTypedModel.getDependsOn().add(qvtr2qvtc.getCoreTypedModel(relationDependsOn));
}
}
}
return coreTransformation2;
}
/**
* Transform the contents of a single rTransformation to populate the already created cTransformation.
*/
public void transformContents() throws CompilerChainException {
RelationalTransformation rTransformation = transformationAnalysis.getTransformation();
Transformation cTransformation = getCoreTransformation();
List<@NonNull Relation> rRelations = Lists.newArrayList(QVTrelationUtil.getOwnedRelations(rTransformation));
Collections.sort(rRelations, new RelationComparator());
Variable cThis = QVTbaseUtil.getContextVariable(standardLibrary, cTransformation);
Variable rThis = QVTbaseUtil.getContextVariable(standardLibrary, rTransformation);
// putGlobalTrace(cThis, rThis);
qvtr2qvtc.addTrace(rThis, cThis);
// UniqueArrayList<@NonNull TypedModel> rEnforceableTypedModels = new UniqueArrayList<>(); // FIXME not used
// for (@NonNull Relation rRelation : rRelations) {
// for (@NonNull RelationDomain rDomain : QVTrelationUtil.getOwnedDomains(rRelation)) {
// if (rDomain.isIsEnforceable()) {
// rEnforceableTypedModels.add(QVTrelationUtil.getTypedModel(rDomain));
// }
// }
// }
transformQueries();
TransformationAnalysis rTransformationAnalysis = qvtr2qvtc.getTransformationAnalysis(rTransformation);
for (@NonNull Relation rRelation : rRelations) {
RelationAnalysis relationAnalysis = rTransformationAnalysis.getRelationAnalysis(rRelation);
Relation2Mappings relation2mappings;
/*if (rRelation.isIsAbstract()) {
QVTr2QVTc.SYNTHESIS.println("abstract " + rRelation);
relation2mappings = new Relation2AbstractMappings(this, relationAnalysis);
}
else*/ if (rRelation.isIsTopLevel()) {
QVTr2QVTc.SYNTHESIS.println("topLevel " + rRelation);
relation2mappings = new TopRelation2Mappings(this, relationAnalysis);
}
else {
relation2mappings = new NonTopRelation2Mappings(this, relationAnalysis);
}
relation2mappings.analyze();
relationAnalysis2relation2mapping.put(relationAnalysis, relation2mappings);
}
for (@NonNull Relation2Mappings relation2mapping : relationAnalysis2relation2mapping.values()) {
relation2mapping.synthesize();
}
CompilerUtil.normalizeNameables(QVTbaseUtil.Internal.getOwnedOperationsList(cTransformation));
CompilerUtil.normalizeNameables(QVTbaseUtil.getRule(cTransformation));
}
protected void transformQueries() {
RelationalTransformation rTransformation = transformationAnalysis.getTransformation();
List<@NonNull Operation> cOperations = new ArrayList<>();
for (@NonNull Operation rOperation : QVTbaseUtil.getOwnedOperations(rTransformation)) {
Element cOperation = qvtr2qvtc.createCopy(rOperation);
if (cOperation instanceof Operation) {
cOperations.add((Operation) cOperation);
qvtr2qvtc.putGlobalTrace(cOperation, rOperation);
}
}
Transformation cTransformation = getCoreTransformation();
cTransformation.getOwnedOperations().addAll(cOperations);
for (@NonNull Operation cOperation : cOperations) {
qvtr2qvtc.updateCopy(cOperation);
}
}
}
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