/*******************************************************************************
* Copyright (c) 2013 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.demandpa.alg.refinepolicy;
import com.ibm.wala.classLoader.IField;
import com.ibm.wala.demandpa.alg.statemachine.StateMachine.State;
import com.ibm.wala.demandpa.flowgraph.IFlowLabel;
import com.ibm.wala.demandpa.util.ArrayContents;
import com.ibm.wala.ipa.callgraph.propagation.PointerKey;
/**
* Only refines for the array contents pseudo-field.
*
* @author manu
*
*/
public class OnlyArraysPolicy implements FieldRefinePolicy {
/*
* @see com.ibm.wala.demandpa.alg.refinepolicy.FieldRefinePolicy#shouldRefine(com.ibm.wala.classLoader.IField, com.ibm.wala.ipa.callgraph.propagation.PointerKey, com.ibm.wala.ipa.callgraph.propagation.PointerKey, com.ibm.wala.demandpa.flowgraph.IFlowLabel, com.ibm.wala.demandpa.alg.statemachine.StateMachine.State)
*/
@Override
public boolean shouldRefine(IField field, PointerKey basePtr, PointerKey val, IFlowLabel label, State state) {
return field == ArrayContents.v();
}
/*
* @see com.ibm.wala.demandpa.alg.refinepolicy.FieldRefinePolicy#nextPass()
*/
@Override
public boolean nextPass() {
return false;
}
}