132 lines
4.5 KiB
Java
132 lines
4.5 KiB
Java
/*******************************************************************************
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* Copyright (c) 2008 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.analysis.reflection;
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import java.util.Iterator;
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import com.ibm.wala.cfg.ControlFlowGraph;
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import com.ibm.wala.classLoader.CallSiteReference;
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import com.ibm.wala.classLoader.IClass;
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import com.ibm.wala.classLoader.NewSiteReference;
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import com.ibm.wala.ipa.callgraph.AnalysisOptions;
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import com.ibm.wala.ipa.callgraph.CGNode;
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import com.ibm.wala.ipa.callgraph.IAnalysisCacheView;
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import com.ibm.wala.ipa.callgraph.propagation.SSAContextInterpreter;
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import com.ibm.wala.ipa.callgraph.propagation.cfa.DelegatingSSAContextInterpreter;
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import com.ibm.wala.ipa.cha.IClassHierarchy;
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import com.ibm.wala.ssa.DefUse;
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import com.ibm.wala.ssa.IR;
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import com.ibm.wala.ssa.IRView;
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import com.ibm.wala.ssa.ISSABasicBlock;
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import com.ibm.wala.ssa.SSAInstruction;
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import com.ibm.wala.types.FieldReference;
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/**
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* {@link SSAContextInterpreter} to handle all reflection procession.
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*/
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public class ReflectionContextInterpreter {
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public static SSAContextInterpreter createReflectionContextInterpreter(IClassHierarchy cha, AnalysisOptions options,
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IAnalysisCacheView iAnalysisCacheView) {
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if (options == null) {
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throw new IllegalArgumentException("null options");
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}
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// start with a dummy interpreter that understands nothing
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SSAContextInterpreter result = new SSAContextInterpreter() {
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@Override
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public boolean understands(CGNode node) {
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return false;
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}
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@Override
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public boolean recordFactoryType(CGNode node, IClass klass) {
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// TODO Auto-generated method stub
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return false;
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}
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@Override
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public Iterator<NewSiteReference> iterateNewSites(CGNode node) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public Iterator<FieldReference> iterateFieldsWritten(CGNode node) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public Iterator<FieldReference> iterateFieldsRead(CGNode node) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public Iterator<CallSiteReference> iterateCallSites(CGNode node) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public int getNumberOfStatements(CGNode node) {
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// TODO Auto-generated method stub
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return 0;
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}
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@Override
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public IR getIR(CGNode node) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public IRView getIRView(CGNode node) {
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return getIR(node);
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}
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@Override
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public DefUse getDU(CGNode node) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public ControlFlowGraph<SSAInstruction, ISSABasicBlock> getCFG(CGNode n) {
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// TODO Auto-generated method stub
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return null;
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}
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};
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if (options.getReflectionOptions().getNumFlowToCastIterations() > 0) {
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// need the factory bypass interpreter
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result = new DelegatingSSAContextInterpreter(new FactoryBypassInterpreter(options, iAnalysisCacheView), result);
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}
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if (!options.getReflectionOptions().isIgnoreStringConstants()) {
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result = new DelegatingSSAContextInterpreter(new GetClassContextInterpeter(), new DelegatingSSAContextInterpreter(
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new DelegatingSSAContextInterpreter(new ClassFactoryContextInterpreter(), new ClassNewInstanceContextInterpreter(cha)),
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result));
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}
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if (!options.getReflectionOptions().isIgnoreMethodInvoke()) {
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result = new DelegatingSSAContextInterpreter(new ReflectiveInvocationInterpreter(), new DelegatingSSAContextInterpreter(
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new JavaLangClassContextInterpreter(), result));
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}
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// if NEITHER string constants NOR method invocations are ignored
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if (!options.getReflectionOptions().isIgnoreStringConstants() && !options.getReflectionOptions().isIgnoreMethodInvoke()) {
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result = new DelegatingSSAContextInterpreter(new GetMethodContextInterpreter(),result);
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}
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return result;
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}
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}
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