190 lines
7.9 KiB
Java
190 lines
7.9 KiB
Java
/*
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* Copyright (c) 2002-2008 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.util.generator.opengl;
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import org.lwjgl.util.generator.Utils;
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import static java.util.Collections.unmodifiableCollection;
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import java.io.File;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Map;
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import java.util.Set;
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import com.sun.mirror.apt.AnnotationProcessor;
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import com.sun.mirror.apt.AnnotationProcessorEnvironment;
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import com.sun.mirror.apt.AnnotationProcessorFactory;
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import com.sun.mirror.apt.AnnotationProcessors;
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import com.sun.mirror.apt.Filer;
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import com.sun.mirror.apt.RoundCompleteEvent;
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import com.sun.mirror.apt.RoundCompleteListener;
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import com.sun.mirror.declaration.AnnotationTypeDeclaration;
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import com.sun.mirror.declaration.InterfaceDeclaration;
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import com.sun.mirror.declaration.TypeDeclaration;
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import com.sun.mirror.util.DeclarationFilter;
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/**
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*
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* Generator tool for creating the ContexCapabilities class
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision: 3316 $
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* $Id: ContextGeneratorProcessorFactory.java 3316 2010-04-09 23:57:40Z spasi $
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*/
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public class GLGeneratorProcessorFactory implements AnnotationProcessorFactory, RoundCompleteListener {
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private static boolean first_round = true;
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// Process any set of annotations
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private static final Collection<String> supportedAnnotations =
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unmodifiableCollection(Arrays.asList("*"));
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public Collection<String> supportedAnnotationTypes() {
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return supportedAnnotations;
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}
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public Collection<String> supportedOptions() {
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return unmodifiableCollection(Arrays.asList("-Acontextspecific", "-Ageneratechecks"));
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}
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public void roundComplete(RoundCompleteEvent event) {
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first_round = false;
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}
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public AnnotationProcessor getProcessorFor(Set<AnnotationTypeDeclaration> atds, AnnotationProcessorEnvironment env) {
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// Only process the initial types, not the generated ones
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if (first_round) {
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env.addListener(this);
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return new GeneratorProcessor(env);
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} else
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return AnnotationProcessors.NO_OP;
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}
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private static class GeneratorProcessor implements AnnotationProcessor {
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private final AnnotationProcessorEnvironment env;
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GeneratorProcessor(AnnotationProcessorEnvironment env) {
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this.env = env;
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}
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public void process() {
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Map<String, String> options = env.getOptions();
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boolean generate_error_checks = options.containsKey("-Ageneratechecks");
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boolean context_specific = options.containsKey("-Acontextspecific");
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try {
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generateContextCapabilitiesSource(context_specific, generate_error_checks);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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private void generateContextCapabilitiesSource(boolean context_specific, boolean generate_error_checks) throws IOException {
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PrintWriter writer = env.getFiler().createTextFile(Filer.Location.SOURCE_TREE, "org.lwjgl.opengl", new File(Utils.CONTEXT_CAPS_CLASS_NAME + ".java"), null);
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writer.println("/* MACHINE GENERATED FILE, DO NOT EDIT */");
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writer.println();
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writer.println("package org.lwjgl.opengl;");
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writer.println();
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writer.println("import org.lwjgl.LWJGLException;");
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writer.println("import org.lwjgl.LWJGLUtil;");
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writer.println("import java.util.Set;");
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writer.println("import java.util.HashSet;");
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writer.println();
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GLCapabilitiesGenerator.generateClassPrologue(writer, context_specific, generate_error_checks);
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DeclarationFilter filter = DeclarationFilter.getFilter(InterfaceDeclaration.class);
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Collection<TypeDeclaration> interface_decls = filter.filter(env.getSpecifiedTypeDeclarations());
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for (TypeDeclaration typedecl : interface_decls) {
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InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
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if (Utils.isFinal(interface_decl))
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GLCapabilitiesGenerator.generateField(writer, interface_decl);
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}
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writer.println();
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for (TypeDeclaration typedecl : interface_decls) {
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InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
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GLCapabilitiesGenerator.generateSymbolAddresses(writer, interface_decl);
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}
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writer.println();
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if (context_specific) {
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for (TypeDeclaration typedecl : interface_decls) {
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InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
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GLCapabilitiesGenerator.generateAddressesInitializers(writer, interface_decl);
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}
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writer.println();
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}
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writer.println("\tprivate static void remove(Set supported_extensions, String extension) {");
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writer.println("\t\tLWJGLUtil.log(extension + \" was reported as available but an entry point is missing\");");
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writer.println("\t\tsupported_extensions.remove(extension);");
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writer.println("\t}\n");
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GLCapabilitiesGenerator.generateInitStubsPrologue(writer, context_specific);
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for (TypeDeclaration typedecl : interface_decls) {
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InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
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GLCapabilitiesGenerator.generateSuperClassAdds(writer, interface_decl);
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}
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for (TypeDeclaration typedecl : interface_decls) {
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InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
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String simple_name = interface_decl.getSimpleName();
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if ( "GL11".equals(simple_name) )
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continue;
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GLCapabilitiesGenerator.generateInitStubs(writer, interface_decl, context_specific);
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}
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GLCapabilitiesGenerator.generateInitStubsEpilogue(writer, context_specific);
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writer.println();
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writer.println("\tstatic void unloadAllStubs() {");
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if (!context_specific) {
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writer.println("\t\tif (!loaded_stubs)");
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writer.println("\t\t\treturn;");
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for (TypeDeclaration typedecl : interface_decls) {
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InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
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GLCapabilitiesGenerator.generateUnloadStubs(writer, interface_decl);
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}
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writer.println("\t\tloaded_stubs = false;");
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}
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writer.println("\t}");
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writer.println();
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GLCapabilitiesGenerator.generateInitializerPrologue(writer);
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for (TypeDeclaration typedecl : interface_decls) {
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InterfaceDeclaration interface_decl = (InterfaceDeclaration)typedecl;
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if (Utils.isFinal(interface_decl))
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GLCapabilitiesGenerator.generateInitializer(writer, interface_decl);
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}
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writer.println("\t\ttracker.init();");
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writer.println("\t}");
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writer.println("}");
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writer.close();
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}
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}
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}
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