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/*******************************************************************************
* Copyright (c) 2012, 2016 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.qvtimperative.utilities;
import java.util.List;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.Variable;
import org.eclipse.ocl.pivot.internal.prettyprint.PrettyPrinter;
import org.eclipse.qvtd.pivot.qvtbase.Domain;
import org.eclipse.qvtd.pivot.qvtbase.Predicate;
import org.eclipse.qvtd.pivot.qvtbase.utilities.QVTbasePrettyPrintVisitor;
import org.eclipse.qvtd.pivot.qvtimperative.AddStatement;
import org.eclipse.qvtd.pivot.qvtimperative.Area;
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.GuardPattern;
import org.eclipse.qvtd.pivot.qvtimperative.ImperativeDomain;
import org.eclipse.qvtd.pivot.qvtimperative.ImperativeModel;
import org.eclipse.qvtd.pivot.qvtimperative.ImperativePattern;
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.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;
public class QVTimperativePrettyPrintVisitor extends QVTbasePrettyPrintVisitor implements QVTimperativeVisitor<Object>
{
public QVTimperativePrettyPrintVisitor(@NonNull PrettyPrinter context) {
super(context);
}
protected void doArea(@NonNull Area pArea) {
context.append(" (");
safeVisit(pArea.getGuardPattern());
context.append(")\n{");
safeVisit(pArea.getBottomPattern());
context.append("}\n");
}
@Override
public Object visitAddStatement(@NonNull AddStatement asAddStatement) {
context.append("add ");
context.appendName(asAddStatement.getTargetVariable());
context.append(" += ");
safeVisit(asAddStatement.getValue());
context.append(";\n");
return null;
}
@Override
public Object visitAssignment(@NonNull Assignment object) {
return null;
}
@Override
public Object visitBottomPattern(@NonNull BottomPattern pBottomPattern) {
for (Variable pVariable : pBottomPattern.getVariable()) {
safeVisit(pVariable);
}
context.append(" |");
List<Predicate> predicates = pBottomPattern.getPredicate();
if (predicates.size() > 0) {
context.append("\n");
for (Predicate pPredicate : predicates) {
safeVisit(pPredicate);
}
}
List<Assignment> assignments = pBottomPattern.getAssignment();
if (assignments.size() > 0) {
context.append("\n");
for (Assignment pAssignment : assignments) {
safeVisit(pAssignment);
}
}
return null;
}
@Override
public Object visitBottomStatement(@NonNull BottomStatement object) {
return visitStatement(object);
}
@Override
public Object visitConnectionVariable(@NonNull ConnectionVariable object) {
return visitVariable(object);
}
@Override
public Object visitGuardPattern(@NonNull GuardPattern pGuardPattern) {
for (Variable pVariable : pGuardPattern.getVariable()) {
safeVisit(pVariable);
}
context.append(" |");
List<Predicate> predicates = pGuardPattern.getPredicate();
if (predicates.size() > 0) {
context.append("\n");
for (Predicate pPredicate : predicates) {
safeVisit(pPredicate);
}
}
return null;
}
@Override
public Object visitImperativeDomain(@NonNull ImperativeDomain object) {
// TODO Auto-generated method stub
return null;
}
@Override
public Object visitImperativeModel(@NonNull ImperativeModel object) {
return visitModel(object);
}
@Override
public Object visitImperativePattern(@NonNull ImperativePattern object) {
return visitPattern(object);
}
@Override
public Object visitMapping(@NonNull Mapping pMapping) {
context.append("map ");
context.appendName(pMapping);
context.append(" in ");
context.appendName(pMapping.getTransformation());
context.append(" {");
context.push("", "");
for (Domain pDomain : pMapping.getDomain()) {
if (pDomain instanceof ImperativeDomain) {
context.appendName(pDomain);
doArea((ImperativeDomain)pDomain);
}
}
context.append("where");
doArea(pMapping);
context.append("}");
for (Statement pStatement : pMapping.getOwnedStatements()) {
safeVisit(pStatement);
}
context.pop();
return null;
}
@Override
public Object visitMappingCall(@NonNull MappingCall pMappingCall) {
if (pMappingCall.isIsInfinite()) {
context.append("infinite ");
}
context.append("call ");
context.appendName(pMappingCall.getReferredMapping());
context.append(" {\n");
context.push("", "");
for (MappingCallBinding mappingCallBinding : pMappingCall.getBinding()) {
safeVisit(mappingCallBinding);
}
context.append("}");
context.pop();
return null;
}
@Override
public Object visitMappingCallBinding(@NonNull MappingCallBinding pMappingCallBinding) {
context.appendName(pMappingCallBinding.getBoundVariable());
context.append(pMappingCallBinding.isIsPolled() ? " ?= " : " := ");
safeVisit(pMappingCallBinding.getValue());
context.append(";\n");
return null;
}
@Override
public Object visitMappingLoop(@NonNull MappingLoop pMappingLoop) {
context.append("for ");
context.appendElement(pMappingLoop.getOwnedIterators().get(0));
context.append(" in ");
context.appendElement(pMappingLoop.getOwnedSource());
context.append(" {");
context.push("", "");
for (MappingStatement pMappingStatement : pMappingLoop.getOwnedMappingStatements()) {
safeVisit(pMappingStatement);
}
context.append("}");
context.pop();
return null;
}
@Override
public Object visitMappingStatement(@NonNull MappingStatement object) {
return visitStatement(object);
}
@Override
public Object visitNewStatement(@NonNull NewStatement pNewStatement) {
context.append("new@");
context.appendName(pNewStatement.getReferredTypedModel());
context.append(" ");
visitVariable(pNewStatement);
return null;
}
@Override
public Object visitPredicate(@NonNull Predicate pPredicate) {
safeVisit(pPredicate.getConditionExpression());
return null;
}
@Override
public Object visitSetStatement(@NonNull SetStatement asSetStatement) {
context.append("set ");
safeVisit(asSetStatement.getSlotExpression());
context.append(".");
context.appendName(QVTimperativeUtil.getTargetProperty(asSetStatement));
context.append(" := ");
safeVisit(asSetStatement.getValue());
context.append(";\n");
return null;
}
@Override
public Object visitStatement(@NonNull Statement object) {
return visiting(object);
}
@Override
public Object visitVariable(@NonNull Variable pVariable) {
if (pVariable.eContainer() instanceof MappingLoop) {
context.appendName(pVariable);
context.append(" : ");
context.appendElement(pVariable.getType());
}
else {
super.visitVariable(pVariable);
context.append(";\n");
}
return null;
}
@Override
public Object visitVariableAssignment(@NonNull VariableAssignment pVariableAssignment) {
context.appendName(pVariableAssignment.getTargetVariable());
context.append(" := ");
safeVisit(pVariableAssignment.getValue());
context.append(";\n");
return null;
}
@Override
public @Nullable Object visitVariablePredicate(@NonNull VariablePredicate object) {
// TODO Auto-generated method stub
return null;
}
}
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