/*******************************************************************************
* Copyright (c) 2011 IBM Corporation.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.cast.js.ipa.callgraph.correlations;
import com.ibm.wala.cast.loader.AstMethod;
import com.ibm.wala.cast.tree.CAstSourcePositionMap.Position;
import com.ibm.wala.ssa.SSAInstruction;
import com.ibm.wala.util.intset.OrdinalSetMapping;
/**
* Utility class used by {@link CorrelationSummary} to map SSA instructions to source positions.
*
* @author mschaefer
*
*/
public class SSASourcePositionMap {
private final AstMethod method;
private final OrdinalSetMapping<SSAInstruction> instrIndices;
public SSASourcePositionMap(AstMethod method, OrdinalSetMapping<SSAInstruction> instrIndices) {
this.method = method;
this.instrIndices = instrIndices;
}
public Position getPosition(SSAInstruction inst) {
return method.getSourcePosition(instrIndices.getMappedIndex(inst));
}
}