com.ibm.wala.cast.java.ipa.callgraph.AstJavaZeroXCFABuilder Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of com.ibm.wala.cast.java Show documentation
T. J. Watson Libraries for Analysis
The newest version!
/*
 * 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.cast.java.ipa.callgraph;

import com.ibm.wala.ipa.callgraph.AnalysisOptions;
import com.ibm.wala.ipa.callgraph.AnalysisScope;
import com.ibm.wala.ipa.callgraph.ContextSelector;
import com.ibm.wala.ipa.callgraph.IAnalysisCacheView;
import com.ibm.wala.ipa.callgraph.impl.DefaultContextSelector;
import com.ibm.wala.ipa.callgraph.impl.DelegatingContextSelector;
import com.ibm.wala.ipa.callgraph.propagation.SSAContextInterpreter;
import com.ibm.wala.ipa.callgraph.propagation.cfa.ZeroXInstanceKeys;
import com.ibm.wala.ipa.cha.IClassHierarchy;

/** 0-1-CFA Call graph builder, optimized to not disambiguate instances of "uninteresting" types. */
public class AstJavaZeroXCFABuilder extends AstJavaCFABuilder {

  public AstJavaZeroXCFABuilder(
      IClassHierarchy cha,
      AnalysisOptions options,
      IAnalysisCacheView cache,
      ContextSelector appContextSelector,
      SSAContextInterpreter appContextInterpreter,
      int instancePolicy) {
    super(cha, options, cache);

    SSAContextInterpreter contextInterpreter =
        makeDefaultContextInterpreters(appContextInterpreter, options, cha);
    setContextInterpreter(contextInterpreter);

    ContextSelector def = new DefaultContextSelector(options, cha);
    ContextSelector contextSelector =
        appContextSelector == null ? def : new DelegatingContextSelector(appContextSelector, def);

    setContextSelector(contextSelector);

    setInstanceKeys(
        new JavaScopeMappingInstanceKeys(
            this, new ZeroXInstanceKeys(options, cha, contextInterpreter, instancePolicy)));
  }

  /**
   * @param options options that govern call graph construction
   * @param cha governing class hierarchy
   * @param cl classloader that can find DOMO resources
   * @param scope representation of the analysis scope
   * @param xmlFiles set of Strings that are names of XML files holding bypass logic specifications.
   * @return a 0-1-Opt-CFA Call Graph Builder.
   */
  public static AstJavaCFABuilder make(
      AnalysisOptions options,
      IAnalysisCacheView cache,
      IClassHierarchy cha,
      ClassLoader cl,
      AnalysisScope scope,
      String[] xmlFiles,
      byte instancePolicy) {

    com.ibm.wala.ipa.callgraph.impl.Util.addDefaultSelectors(options, cha);
    for (String xmlFile : xmlFiles) {
      com.ibm.wala.ipa.callgraph.impl.Util.addBypassLogic(options, cl, xmlFile, cha);
    }

    return new AstJavaZeroXCFABuilder(cha, options, cache, null, null, instancePolicy);
  }
}