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

53 lines
1.5 KiB
Java

/*******************************************************************************
* Copyright (c) 2007 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.ipa.callgraph.Context;
import com.ibm.wala.ipa.callgraph.ContextItem;
import com.ibm.wala.ipa.callgraph.ContextKey;
public class CallStringContext implements Context {
private final CallString cs;
public CallStringContext(CallString cs) {
if (cs == null) {
throw new IllegalArgumentException("null cs");
}
this.cs = cs;
}
@Override
public boolean equals(Object o) {
return (o instanceof Context) &&
((Context)o).isA(CallStringContext.class) &&
((Context)o).get(CallStringContextSelector.CALL_STRING).equals(cs);
}
@Override
public int hashCode() {
return cs.hashCode();
}
@Override
public String toString() {
return "CallStringContext: " + cs.toString();
}
@Override
public ContextItem get(ContextKey name) {
if (CallStringContextSelector.CALL_STRING.equals(name)) {
return cs;
} else {
return null;
}
}
}