88 lines
3.0 KiB
Java
88 lines
3.0 KiB
Java
/******************************************************************************
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* Copyright (c) 2002 - 2006 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.cast.java.ipa.callgraph;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Set;
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import com.ibm.wala.cast.ipa.callgraph.ScopeMappingInstanceKeys;
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import com.ibm.wala.cast.ir.translator.AstTranslator;
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import com.ibm.wala.cast.java.loader.JavaSourceLoaderImpl.JavaClass;
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import com.ibm.wala.cast.loader.AstMethod;
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import com.ibm.wala.cast.loader.AstMethod.LexicalParent;
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import com.ibm.wala.classLoader.IClass;
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import com.ibm.wala.classLoader.IMethod;
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import com.ibm.wala.ipa.callgraph.CGNode;
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import com.ibm.wala.ipa.callgraph.propagation.InstanceKey;
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import com.ibm.wala.ipa.callgraph.propagation.InstanceKeyFactory;
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import com.ibm.wala.ipa.callgraph.propagation.PropagationCallGraphBuilder;
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import com.ibm.wala.util.collections.HashSetFactory;
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import com.ibm.wala.util.collections.Pair;
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public class JavaScopeMappingInstanceKeys extends ScopeMappingInstanceKeys {
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public JavaScopeMappingInstanceKeys(PropagationCallGraphBuilder builder, InstanceKeyFactory basic) {
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super(builder, basic);
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}
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protected LexicalParent[] getParents(InstanceKey base) {
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IClass cls = base.getConcreteType();
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if (isPossiblyLexicalClass(cls)) {
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Set<LexicalParent> result = HashSetFactory.make();
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for (IMethod m : cls.getAllMethods()) {
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if ((m instanceof AstMethod) && !m.isStatic()) {
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AstMethod M = (AstMethod) m;
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LexicalParent[] parents = M.getParents();
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for (LexicalParent parent : parents) {
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result.add(parent);
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}
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}
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}
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if (!result.isEmpty()) {
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if (AstTranslator.DEBUG_LEXICAL)
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System.err.println((base + " has parents: " + result));
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return result.toArray(new LexicalParent[result.size()]);
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}
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}
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if (AstTranslator.DEBUG_LEXICAL)
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System.err.println((base + " has no parents"));
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return new LexicalParent[0];
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}
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protected boolean isPossiblyLexicalClass(IClass cls) {
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return cls instanceof JavaClass;
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}
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@Override
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protected boolean needsScopeMappingKey(InstanceKey base) {
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boolean result = getParents(base).length > 0;
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if (AstTranslator.DEBUG_LEXICAL)
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System.err.println(("does " + base + " need scope mapping? " + result));
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return result;
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}
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@Override
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protected Collection<CGNode> getConstructorCallers(ScopeMappingInstanceKey smik, Pair<String, String> name) {
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// for Java, the creator node is exactly what we want
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return Collections.singleton(smik.getCreator());
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}
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}
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