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/*******************************************************************************
* Copyright (c) 2012, 2016 E.D. Willink 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.qvtimperative.utilities;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.NamedElement;
import org.eclipse.ocl.pivot.Variable;
import org.eclipse.ocl.pivot.utilities.ToStringVisitor;
import org.eclipse.qvtd.pivot.qvtbase.utilities.QVTbaseToStringVisitor;
import org.eclipse.qvtd.pivot.qvtimperative.AddStatement;
import org.eclipse.qvtd.pivot.qvtimperative.Assignment;
import org.eclipse.qvtd.pivot.qvtimperative.BottomPattern;
import org.eclipse.qvtd.pivot.qvtimperative.BottomStatement;
import org.eclipse.qvtd.pivot.qvtimperative.ConnectionVariable;
import org.eclipse.qvtd.pivot.qvtimperative.ImperativeDomain;
import org.eclipse.qvtd.pivot.qvtimperative.ImperativePattern;
import org.eclipse.qvtd.pivot.qvtimperative.GuardPattern;
import org.eclipse.qvtd.pivot.qvtimperative.ImperativeModel;
import org.eclipse.qvtd.pivot.qvtimperative.Mapping;
import org.eclipse.qvtd.pivot.qvtimperative.MappingCall;
import org.eclipse.qvtd.pivot.qvtimperative.MappingCallBinding;
import org.eclipse.qvtd.pivot.qvtimperative.MappingLoop;
import org.eclipse.qvtd.pivot.qvtimperative.MappingStatement;
import org.eclipse.qvtd.pivot.qvtimperative.NewStatement;
import org.eclipse.qvtd.pivot.qvtimperative.QVTimperativePackage;
import org.eclipse.qvtd.pivot.qvtimperative.SetStatement;
import org.eclipse.qvtd.pivot.qvtimperative.Statement;
import org.eclipse.qvtd.pivot.qvtimperative.VariableAssignment;
import org.eclipse.qvtd.pivot.qvtimperative.VariablePredicate;
import org.eclipse.qvtd.pivot.qvtimperative.util.QVTimperativeVisitor;
/**
* Converts an OCL expression to a string for debugging. This is not intended to
* be used by client applications as an AST-to-text transformation.
*/
public class QVTimperativeToStringVisitor extends QVTbaseToStringVisitor implements QVTimperativeVisitor<String>
{
protected static class QVTimperativeToStringFactory implements QVTbaseToStringVisitor.Factory
{
protected QVTimperativeToStringFactory() {
ToStringVisitor.addFactory(this);
QVTbaseToStringVisitor.FACTORY.getClass();
}
@Override
public @NonNull ToStringVisitor createToStringVisitor(@NonNull StringBuilder s) {
return new QVTimperativeToStringVisitor(s);
}
@Override
public @NonNull EPackage getEPackage() {
QVTimperativePackage eInstance = QVTimperativePackage.eINSTANCE;
assert eInstance != null;
return eInstance;
}
}
public static ToStringVisitor.@NonNull Factory FACTORY = new QVTimperativeToStringFactory();
public QVTimperativeToStringVisitor(@NonNull StringBuilder s) {
super(s);
}
@Override
public @Nullable String visitAddStatement(@NonNull AddStatement asAddStatement) {
append("add ");
appendName(asAddStatement.getTargetVariable());
append(" += ");
safeVisit(asAddStatement.getValue());
return null;
}
@Override
public String visitAssignment(@NonNull Assignment object) {
append("Assignment ");
// appendName(object);
return null;
}
@Override
public String visitBottomPattern(@NonNull BottomPattern object) {
appendQualifiedName((NamedElement)object.getArea());
append("$Bottom");
return null;
}
@Override
public String visitBottomStatement(@NonNull BottomStatement object) {
return visitStatement(object);
}
@Override
public @Nullable String visitConnectionVariable(@NonNull ConnectionVariable object) {
return visitVariable(object);
}
@Override
public String visitGuardPattern(@NonNull GuardPattern object) {
appendQualifiedName((NamedElement)object.getArea());
append("$Guard");
return null;
}
@Override
public String visitImperativeDomain(@NonNull ImperativeDomain object) {
appendQualifiedName(object);
return null;
}
@Override
public @Nullable String visitImperativeModel(@NonNull ImperativeModel object) {
return visitModel(object);
}
@Override
public String visitImperativePattern(@NonNull ImperativePattern object) {
append("ImperativePattern ");
// appendName(object);
return null;
}
@Override
public @Nullable String visitMapping(@NonNull Mapping object) {
appendQualifiedName(object);
return null;
}
@Override
public @Nullable String visitMappingCall(@NonNull MappingCall object) {
appendQualifiedName(object.getReferredMapping());
append(" {");
boolean isFirst = true;
for (MappingCallBinding binding : object.getBinding()) {
if (!isFirst) {
append(", ");
}
appendName(binding.getBoundVariable());
append(binding.isIsPolled() ? " ?= " : " := ");
safeVisit(binding.getValue());
isFirst = false;
}
append("}");
return null;
}
@Override
public @Nullable String visitMappingCallBinding(@NonNull MappingCallBinding object) {
appendName(object.getBoundVariable());
append(object.isIsPolled() ? " ?= " : " := ");
safeVisit(object.getValue());
return null;
}
@Override
public @Nullable String visitMappingLoop(@NonNull MappingLoop object) {
boolean isFirst = true;
for (Variable iterator : object.getOwnedIterators()) {
if (!isFirst) {
append(", ");
}
appendName(iterator);
isFirst = false;
}
append(" := ");
safeVisit(object.getOwnedSource());
return null;
}
@Override
public @Nullable String visitMappingStatement(@NonNull MappingStatement object) {
return visitStatement(object);
}
@Override
public String visitNewStatement(@NonNull NewStatement newStatement) {
append("new@");
appendName(newStatement.getReferredTypedModel());
append(" ");
visitVariable(newStatement);
return null;
}
@Override
public String visitSetStatement(@NonNull SetStatement asSetStatement) {
append("set ");
safeVisit(asSetStatement.getSlotExpression());
append(".");
appendName(QVTimperativeUtil.getTargetProperty(asSetStatement));
append(" := ");
safeVisit(asSetStatement.getValue());
return null;
}
@Override
public @Nullable String visitStatement(@NonNull Statement object) {
return null;
}
@Override
public String visitVariableAssignment(@NonNull VariableAssignment variableAssignment) {
appendName(variableAssignment.getTargetVariable());
append(" := ");
safeVisit(variableAssignment.getValue());
return null;
}
@Override
public @Nullable String visitVariablePredicate(@NonNull VariablePredicate variablePredicate) {
appendName(variablePredicate.getTargetVariable());
append(" := ");
safeVisit(variablePredicate.getConditionExpression());
return null;
}
}
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