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/*******************************************************************************
* Copyright (c) 2015 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.pivot.qvtcore.utilities;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.utilities.EnvironmentFactory;
import org.eclipse.qvtd.pivot.qvtbase.Rule;
import org.eclipse.qvtd.pivot.qvtcore.CoreModel;
import org.eclipse.qvtd.pivot.qvtcore.Mapping;
import org.eclipse.qvtd.pivot.qvtcore.util.QVTcoreVisitor;
import org.eclipse.qvtd.pivot.qvtcorebase.analysis.DomainUsage;
import org.eclipse.qvtd.pivot.qvtcorebase.analysis.RootDomainUsageAnalysis;
/**
* A QVTcoreDomainUsageAnalysis identifies a constrained domain result from the DomainUsageAnalysis of an OCL AST node.
*/
public class QVTcoreDomainUsageAnalysis extends RootDomainUsageAnalysis implements QVTcoreVisitor<DomainUsage>
{
public QVTcoreDomainUsageAnalysis(@NonNull EnvironmentFactory environmentFactory) {
super(environmentFactory);
}
@Override
protected void setBoundVariablesUsages(@NonNull Rule rule) {
super.setBoundVariablesUsages(rule);
if (rule instanceof Mapping) {
for (Mapping local : ((Mapping)rule).getLocal()) {
if (local != null) {
setBoundVariablesUsages(local);
}
}
}
}
@Override
public @Nullable DomainUsage visitCoreModel(@NonNull CoreModel object) {
return visitBaseModel(object);
}
@Override
public @Nullable DomainUsage visitMapping(@NonNull Mapping object) {
DomainUsage usage = getRootAnalysis().getNoneUsage();
setUsage(object, usage);
visitRule(object);
visit(object.getGuardPattern());
visit(object.getBottomPattern());
for (Mapping local : object.getLocal()) {
visit(local);
}
return usage;
}
}
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