WALA/com.ibm.wala.core/src/com/ibm/wala/ipa/callgraph/propagation/cfa/CallerSiteContext.java

63 lines
1.8 KiB
Java

/*******************************************************************************
* Copyright (c) 2002 - 2006 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.ipa.callgraph.propagation.cfa;
import com.ibm.wala.classLoader.CallSiteReference;
import com.ibm.wala.ipa.callgraph.CGNode;
import com.ibm.wala.ipa.callgraph.ContextItem;
import com.ibm.wala.ipa.callgraph.ContextKey;
/**
* A context which is a <CGNode, CallSiteReference> pair.
*/
public class CallerSiteContext extends CallerContext {
private final CallSiteReference callSite;
public CallerSiteContext(CGNode caller, CallSiteReference callSite) {
super(caller);
this.callSite = callSite;
}
@Override
public ContextItem get(ContextKey name) {
if (name.equals(ContextKey.CALLSITE)) {
return callSite;
} else {
return super.get(name);
}
}
@Override
public boolean equals(Object obj) {
if (obj != null && getClass().equals(obj.getClass())) {
CallerSiteContext other = (CallerSiteContext) obj;
return getCaller().equals(other.getCaller()) && callSite.equals(other.callSite);
} else {
return false;
}
}
@Override
public int hashCode() {
return callSite.hashCode() * 19 + super.hashCode();
}
@Override
public String toString() {
return super.toString() + "@" + callSite.getProgramCounter();
}
public CallSiteReference getCallSite() {
return callSite;
}
}