| /******************************************************************************* |
| * Copyright (c) 2009, 2018 SAP AG 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: |
| * SAP AG - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.ocl.examples.impactanalyzer.instanceScope; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.Stack; |
| |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EClassifier; |
| import org.eclipse.emf.ecore.EParameter; |
| import org.eclipse.ocl.ecore.IterateExp; |
| import org.eclipse.ocl.ecore.OCLExpression; |
| import org.eclipse.ocl.ecore.Variable; |
| import org.eclipse.ocl.examples.impactanalyzer.impl.OperationBodyToCallMapper; |
| import org.eclipse.ocl.examples.impactanalyzer.util.OCLFactory; |
| |
| |
| public class IterateExpTracer extends AbstractTracer<IterateExp> { |
| public IterateExpTracer(IterateExp expression, Stack<String> tuplePartNames, OCLFactory oclFactory) { |
| super(expression, tuplePartNames, oclFactory); |
| } |
| |
| @Override |
| public NavigationStep traceback(EClass context, PathCache pathCache, OperationBodyToCallMapper operationBodyToCallMapper) { |
| NavigationStep result = pathCache.getOrCreateNavigationPath((OCLExpression) getExpression().getBody(), context, |
| operationBodyToCallMapper, getTupleLiteralPartNamesToLookFor(), oclFactory); |
| applyScopesOnNavigationStep(result, operationBodyToCallMapper); |
| return result; |
| } |
| |
| @Override |
| protected Set<Variable> calculateEnteringScope(OperationBodyToCallMapper operationBodyToCallMapper) { |
| // IterateExpressions are traced back by tracing back their body, which opens a new scope where result |
| // variable and iterator variables are in scope |
| Set<Variable> result = new HashSet<Variable>(); |
| for (org.eclipse.ocl.expressions.Variable<EClassifier, EParameter> v : getExpression().getIterator()) { |
| result.add((Variable) v); |
| } |
| result.add((Variable) getExpression().getResult()); |
| return result; |
| } |
| } |