201 lines
7.9 KiB
Java
201 lines
7.9 KiB
Java
/*
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* 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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* This file is a derivative of code released by the University of
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* California under the terms listed below.
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*
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* WALA JDT Frontend is Copyright (c) 2008 The Regents of the
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* University of California (Regents). Provided that this notice and
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* the following two paragraphs are included in any distribution of
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* Refinement Analysis Tools or its derivative work, Regents agrees
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* not to assert any of Regents' copyright rights in Refinement
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* Analysis Tools against recipient for recipient's reproduction,
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* preparation of derivative works, public display, public
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* performance, distribution or sublicensing of Refinement Analysis
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* Tools and derivative works, in source code and object code form.
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* This agreement not to assert does not confer, by implication,
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* estoppel, or otherwise any license or rights in any intellectual
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* property of Regents, including, but not limited to, any patents
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* of Regents or Regents' employees.
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*
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* IN NO EVENT SHALL REGENTS BE LIABLE TO ANY PARTY FOR DIRECT,
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* INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
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* INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE
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* AND ITS DOCUMENTATION, EVEN IF REGENTS HAS BEEN ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* REGENTS SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE AND FURTHER DISCLAIMS ANY STATUTORY
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* WARRANTY OF NON-INFRINGEMENT. THE SOFTWARE AND ACCOMPANYING
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* DOCUMENTATION, IF ANY, PROVIDED HEREUNDER IS PROVIDED "AS
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* IS". REGENTS HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT,
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* UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*/
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package com.ibm.wala.cast.java.translator.jdt;
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import java.io.File;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Set;
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import org.eclipse.core.resources.IFile;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.jdt.core.ICompilationUnit;
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import org.eclipse.jdt.core.JavaCore;
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import org.eclipse.jdt.core.JavaModelException;
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import org.eclipse.jdt.core.compiler.IProblem;
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import org.eclipse.jdt.core.dom.AST;
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import org.eclipse.jdt.core.dom.ASTParser;
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import org.eclipse.jdt.core.dom.ASTRequestor;
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import org.eclipse.jdt.core.dom.CompilationUnit;
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import com.ibm.wala.cast.java.translator.Java2IRTranslator;
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import com.ibm.wala.cast.java.translator.SourceModuleTranslator;
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import com.ibm.wala.classLoader.DirectoryTreeModule;
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import com.ibm.wala.classLoader.JarFileModule;
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import com.ibm.wala.classLoader.Module;
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import com.ibm.wala.classLoader.ModuleEntry;
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import com.ibm.wala.ide.classloader.EclipseSourceFileModule;
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import com.ibm.wala.ide.util.JdtPosition;
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import com.ibm.wala.ipa.callgraph.AnalysisScope;
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import com.ibm.wala.types.ClassLoaderReference;
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import com.ibm.wala.util.debug.Assertions;
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/**
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* A SourceModuleTranslator whose implementation of loadAllSources() uses the PolyglotFrontEnd pseudo-compiler to generate DOMO IR
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* for the sources in the compile-time classpath.
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*
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* @author rfuhrer
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*/
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// remove me comment: Jdt little-case = not OK, upper case = OK
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public class JDTSourceModuleTranslator implements SourceModuleTranslator {
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private final class JdtAstToIR extends ASTRequestor {
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private final Entry<IProject, Map<ICompilationUnit, EclipseSourceFileModule>> proj;
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private JdtAstToIR(Entry<IProject, Map<ICompilationUnit, EclipseSourceFileModule>> proj) {
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this.proj = proj;
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}
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@Override
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public void acceptAST(ICompilationUnit source, CompilationUnit ast) {
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try {
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JDTJava2CAstTranslator<JdtPosition> jdt2cast = makeCAstTranslator(ast, proj.getValue().get(source).getIFile(), source.getUnderlyingResource().getLocation().toOSString());
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final Java2IRTranslator java2ir = makeIRTranslator();
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java2ir.translate(proj.getValue().get(source), jdt2cast.translateToCAst());
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} catch (JavaModelException e) {
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e.printStackTrace();
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}
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if (! "true".equals(System.getProperty("wala.jdt.quiet"))) {
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IProblem[] problems = ast.getProblems();
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int length = problems.length;
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if (length > 0) {
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StringBuffer buffer = new StringBuffer();
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for (int i = 0; i < length; i++) {
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buffer.append(problems[i].getMessage());
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buffer.append('\n');
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}
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if (length != 0)
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System.err.println("Unexpected problems in " + source.getElementName() + buffer.toString());
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}
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}
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}
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}
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protected boolean dump;
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protected JDTSourceLoaderImpl sourceLoader;
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public JDTSourceModuleTranslator(AnalysisScope scope, JDTSourceLoaderImpl sourceLoader) {
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this(scope, sourceLoader, false);
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}
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public JDTSourceModuleTranslator(AnalysisScope scope, JDTSourceLoaderImpl sourceLoader, boolean dump) {
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computeClassPath(scope);
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this.sourceLoader = sourceLoader;
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this.dump = dump;
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}
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private static void computeClassPath(AnalysisScope scope) {
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StringBuffer buf = new StringBuffer();
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ClassLoaderReference cl = scope.getApplicationLoader();
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while (cl != null) {
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List<Module> modules = scope.getModules(cl);
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for (Iterator<Module> iter = modules.iterator(); iter.hasNext();) {
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Module m = iter.next();
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if (buf.length() > 0)
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buf.append(File.pathSeparator);
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if (m instanceof JarFileModule) {
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JarFileModule jarFileModule = (JarFileModule) m;
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buf.append(jarFileModule.getAbsolutePath());
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} else if (m instanceof DirectoryTreeModule) {
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DirectoryTreeModule directoryTreeModule = (DirectoryTreeModule) m;
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buf.append(directoryTreeModule.getPath());
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} else
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Assertions.UNREACHABLE("Module entry is neither jar file nor directory");
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}
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cl = cl.getParent();
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}
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}
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/*
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* Project -> AST code from org.eclipse.jdt.core.tests.performance
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*/
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@Override
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public void loadAllSources(Set<ModuleEntry> modules) {
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// TODO: we might need one AST (-> "Object" class) for all files.
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// TODO: group by project and send 'em in
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// sort files into projects
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Map<IProject, Map<ICompilationUnit,EclipseSourceFileModule>> projectsFiles = new HashMap<>();
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for (ModuleEntry m : modules) {
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assert m instanceof EclipseSourceFileModule : "Expecing EclipseSourceFileModule, not " + m.getClass();
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EclipseSourceFileModule entry = (EclipseSourceFileModule) m;
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IProject proj = entry.getIFile().getProject();
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if (!projectsFiles.containsKey(proj)) {
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projectsFiles.put(proj, new HashMap<ICompilationUnit,EclipseSourceFileModule>());
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}
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projectsFiles.get(proj).put(JavaCore.createCompilationUnitFrom(entry.getIFile()), entry);
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}
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final ASTParser parser = ASTParser.newParser(AST.JLS8);
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for (final Map.Entry<IProject,Map<ICompilationUnit,EclipseSourceFileModule>> proj : projectsFiles.entrySet()) {
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parser.setProject(JavaCore.create(proj.getKey()));
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parser.setResolveBindings(true);
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Set<ICompilationUnit> units = proj.getValue().keySet();
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parser.createASTs(units.toArray(new ICompilationUnit[units.size()]), new String[0], new JdtAstToIR(proj), null);
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}
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}
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protected Java2IRTranslator makeIRTranslator() {
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return new Java2IRTranslator(sourceLoader);
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}
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protected JDTJava2CAstTranslator<JdtPosition> makeCAstTranslator(CompilationUnit cu, final IFile sourceFile, String fullPath) {
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return new JDTJava2CAstTranslator<JdtPosition>(sourceLoader, cu, fullPath, false, dump) {
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@Override
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public JdtPosition makePosition(int start, int end) {
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return new JdtPosition(start, end, this.cu.getLineNumber(start), this.cu.getLineNumber(end), sourceFile, this.fullPath);
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}
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};
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}
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}
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