/*
* 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.
*
* This file is a derivative of code released under the terms listed below.
*
*/
/*
*
* Copyright (c) 2009-2012,
*
* Adam Fuchs <afuchs@cs.umd.edu>
* Avik Chaudhuri <avik@cs.umd.edu>
* Steve Suh <suhsteve@gmail.com>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The names of the contributors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
*/
package com.ibm.wala.dalvik.classLoader;
import java.util.Iterator;
import com.ibm.wala.cfg.ControlFlowGraph;
import com.ibm.wala.classLoader.CallSiteReference;
import com.ibm.wala.classLoader.IClass;
import com.ibm.wala.classLoader.NewSiteReference;
import com.ibm.wala.ipa.callgraph.AnalysisCache;
import com.ibm.wala.ipa.callgraph.CGNode;
import com.ibm.wala.ipa.callgraph.propagation.SSAContextInterpreter;
import com.ibm.wala.ssa.DefUse;
import com.ibm.wala.ssa.IR;
import com.ibm.wala.ssa.ISSABasicBlock;
import com.ibm.wala.ssa.SSAInstruction;
import com.ibm.wala.ssa.SSAOptions;
import com.ibm.wala.types.FieldReference;
public class DexIContextInterpreter implements SSAContextInterpreter {
public DexIContextInterpreter(SSAOptions options, AnalysisCache cache)
{
this.options = options;
this.cache = cache;
}
private final SSAOptions options;
private final AnalysisCache cache;
public boolean understands(CGNode node) {
if(node.getMethod() instanceof DexIMethod)
return true;
return false;
}
public boolean recordFactoryType(CGNode node, IClass klass) {
// TODO what the heck does this mean?
//com.ibm.wala.core/src/com/ibm/wala/analysis/reflection/JavaLangClassContextInterpreter.java has this set to false
return false;
// throw new RuntimeException("not yet implemented");
}
public Iterator<NewSiteReference> iterateNewSites(CGNode node) {
return getIR(node).iterateNewSites();
}
public Iterator<FieldReference> iterateFieldsWritten(CGNode node) {
// TODO implement this!
throw new RuntimeException("not yet implemented");
}
public Iterator<FieldReference> iterateFieldsRead(CGNode node) {
// TODO implement this!
throw new RuntimeException("not yet implemented");
}
public Iterator<CallSiteReference> iterateCallSites(CGNode node) {
return getIR(node).iterateCallSites();
}
public int getNumberOfStatements(CGNode node) {
// TODO verify this is correct
assert understands(node);
return getIR(node).getInstructions().length;
}
public IR getIR(CGNode node) {
// new Exception("getting IR for method "+node.getMethod().getReference().toString()).printStackTrace();
return cache.getSSACache().findOrCreateIR(node.getMethod(), node.getContext(), options);
}
public DefUse getDU(CGNode node) {
return cache.getSSACache().findOrCreateDU(getIR(node), node.getContext());
// return new DefUse(getIR(node));
}
public ControlFlowGraph<SSAInstruction, ISSABasicBlock> getCFG(CGNode n) {
IR ir = getIR(n);
return ir.getControlFlowGraph();
}
};