WALA/com.ibm.wala.core/src/com/ibm/wala/ipa/callgraph/propagation/rta/DefaultRTAInterpreter.java

98 lines
3.0 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.rta;
import java.util.Iterator;
import com.ibm.wala.classLoader.CallSiteReference;
import com.ibm.wala.classLoader.IClass;
import com.ibm.wala.classLoader.NewSiteReference;
import com.ibm.wala.ipa.callgraph.AnalysisOptions;
import com.ibm.wala.ipa.callgraph.CGNode;
import com.ibm.wala.ipa.callgraph.IAnalysisCacheView;
import com.ibm.wala.ipa.callgraph.impl.FakeRootMethod;
import com.ibm.wala.ipa.callgraph.propagation.cfa.ContextInsensitiveSSAInterpreter;
import com.ibm.wala.types.FieldReference;
/**
* Basic analysis; context-insensitive
*/
public class DefaultRTAInterpreter implements RTAContextInterpreter {
private static final boolean DEBUG = false;
private final ContextInsensitiveRTAInterpreter defaultInterpreter;
/**
* @param options governing analysis options
*/
public DefaultRTAInterpreter(AnalysisOptions options, IAnalysisCacheView cache) {
defaultInterpreter = new ContextInsensitiveSSAInterpreter(options, cache);
}
private RTAContextInterpreter getNodeInterpreter(CGNode node) {
if (node.getMethod() instanceof FakeRootMethod) {
FakeRootMethod f = (FakeRootMethod) node.getMethod();
return f.getInterpreter();
} else {
if (DEBUG) {
System.err.println(("providing context insensitive interpreter for node " + node));
}
return defaultInterpreter;
}
}
@Override
public Iterator<NewSiteReference> iterateNewSites(CGNode node) {
if (node == null) {
throw new IllegalArgumentException("node is null");
}
return getNodeInterpreter(node).iterateNewSites(node);
}
@Override
public Iterator<CallSiteReference> iterateCallSites(CGNode node) {
if (node == null) {
throw new IllegalArgumentException("node is null");
}
return getNodeInterpreter(node).iterateCallSites(node);
}
@Override
public Iterator<FieldReference> iterateFieldsRead(CGNode node) {
if (node == null) {
throw new IllegalArgumentException("node is null");
}
return getNodeInterpreter(node).iterateFieldsRead(node);
}
@Override
public Iterator<FieldReference> iterateFieldsWritten(CGNode node) {
if (node == null) {
throw new IllegalArgumentException("node is null");
}
return getNodeInterpreter(node).iterateFieldsWritten(node);
}
@Override
public boolean understands(CGNode node) {
return true;
}
@Override
public boolean recordFactoryType(CGNode node, IClass klass) {
// not a factory type
return false;
}
}