58 lines
1.8 KiB
Java
58 lines
1.8 KiB
Java
/*******************************************************************************
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* Copyright (c) 2011 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.cast.js.ipa.callgraph.correlations;
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import java.util.Set;
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import com.ibm.wala.cast.ir.ssa.AbstractReflectiveGet;
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import com.ibm.wala.cast.ir.ssa.AbstractReflectivePut;
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import com.ibm.wala.cast.tree.CAstSourcePositionMap.Position;
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/**
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* The most basic form of correlation: an intra-procedurally correlated pair of a dynamic property read
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* and a dynamic property write.
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*
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* @author mschaefer
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*
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*/
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public class ReadWriteCorrelation extends Correlation {
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private final AbstractReflectiveGet get;
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private final AbstractReflectivePut put;
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public ReadWriteCorrelation(AbstractReflectiveGet get, AbstractReflectivePut put,
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String indexName, Set<String> flownThroughLocals) {
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super(indexName, flownThroughLocals);
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this.get = get;
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this.put = put;
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}
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@Override
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public Position getStartPosition(SSASourcePositionMap positions) {
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return positions.getPosition(get);
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}
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@Override
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public Position getEndPosition(SSASourcePositionMap positions) {
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return positions.getPosition(put);
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}
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@Override
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public String pp(SSASourcePositionMap positions) {
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return get + "@" + positions.getPosition(get) + " [" + getIndexName() + "]-> " + put + "@" + positions.getPosition(put);
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}
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@Override
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public <T> T accept(CorrelationVisitor<T> visitor) {
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return visitor.visitReadWriteCorrelation(this);
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}
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}
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