412 lines
16 KiB
Java
412 lines
16 KiB
Java
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/*
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* Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8171355
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* @summary Test behavior of javax.lang.model.util.Elements.getOrigin.
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* @library /tools/lib
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* jdk.jdeps/com.sun.tools.classfile
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* @build toolbox.ToolBox toolbox.JavacTask toolbox.TestRunner
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* @build TestOrigin
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* @run main TestOrigin
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*/
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import java.io.OutputStream;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import javax.annotation.processing.*;
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import javax.lang.model.SourceVersion;
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import javax.lang.model.element.*;
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import javax.lang.model.element.ModuleElement.Directive;
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import javax.lang.model.element.ModuleElement.ExportsDirective;
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import javax.lang.model.element.ModuleElement.OpensDirective;
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import javax.lang.model.element.ModuleElement.RequiresDirective;
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import javax.lang.model.util.Elements;
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import com.sun.tools.classfile.Attribute;
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import com.sun.tools.classfile.Attributes;
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import com.sun.tools.classfile.ClassFile;
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import com.sun.tools.classfile.ClassWriter;
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import com.sun.tools.classfile.Module_attribute;
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import com.sun.tools.classfile.Module_attribute.ExportsEntry;
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import com.sun.tools.classfile.Module_attribute.OpensEntry;
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import com.sun.tools.classfile.Module_attribute.RequiresEntry;
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import toolbox.JavacTask;
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import toolbox.Task;
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import toolbox.TestRunner;
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import toolbox.ToolBox;
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public class TestOrigin extends TestRunner {
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private final ToolBox tb;
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TestOrigin() {
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super(System.err);
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tb = new ToolBox();
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}
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public static void main(String... args) throws Exception {
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new TestOrigin().runTests(m -> new Object[] { Paths.get(m.getName()) });
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}
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@Test
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public void testGeneratedConstr(Path base) throws Exception {
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Path src = base.resolve("src");
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tb.writeJavaFiles(src,
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"package test; public class Test { private void test() { } }",
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"class Dummy {}");
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Path classes = base.resolve("classes");
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tb.createDirectories(classes);
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List<String> log;
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List<String> expected;
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//from source:
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log = new JavacTask(tb)
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.options("-processor", ListMembersAP.class.getName())
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.outdir(classes)
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.files(tb.findJavaFiles(src))
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.run()
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.writeAll()
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.getOutputLines(Task.OutputKind.STDOUT);
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expected = Arrays.asList(
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"<init>:MANDATED",
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"test:EXPLICIT");
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if (!expected.equals(log))
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throw new AssertionError("expected output not found: " + log);
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//from class:
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log = new JavacTask(tb)
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.options("-classpath", classes.toString(),
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"-processorpath", System.getProperty("test.classes"),
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"-processor", ListMembersAP.class.getName())
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.outdir(classes)
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.files(src.resolve("Dummy.java"))
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.run()
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.writeAll()
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.getOutputLines(Task.OutputKind.STDOUT);
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expected = Arrays.asList(
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"<init>:EXPLICIT",
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"test:EXPLICIT");
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if (!expected.equals(log))
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throw new AssertionError("expected output not found: " + log);
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}
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@SupportedAnnotationTypes("*")
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public static final class ListMembersAP extends AbstractProcessor {
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@Override
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public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
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if (!roundEnv.processingOver())
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return false;
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Elements elements = processingEnv.getElementUtils();
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TypeElement test = elements.getTypeElement("test.Test");
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List<? extends Element> members = new ArrayList<>(test.getEnclosedElements());
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Collections.sort(members,
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(e1, e2) -> e1.getSimpleName().toString().compareTo(e2.getSimpleName().toString()));
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for (Element el : members) {
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System.out.println(el.getSimpleName() + ":" + elements.getOrigin(el));
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}
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return false;
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}
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@Override
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public SourceVersion getSupportedSourceVersion() {
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return SourceVersion.latestSupported();
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}
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}
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@Test
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public void testRepeatableAnnotations(Path base) throws Exception {
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Path src = base.resolve("src");
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tb.writeJavaFiles(src,
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"package test; @A @A public class Test { }",
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"package test;" +
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"import java.lang.annotation.*;" +
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"@Repeatable(Container.class)" +
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"@Retention(RetentionPolicy.CLASS)" +
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"@interface A {}",
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"package test; @interface Container { A[] value(); }",
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"class Dummy {}");
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Path classes = base.resolve("classes");
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tb.createDirectories(classes);
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List<String> log;
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List<String> expected;
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//from source:
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log = new JavacTask(tb)
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.options("-processor", ListAnnotationsAP.class.getName())
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.outdir(classes)
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.files(tb.findJavaFiles(src))
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.run()
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.writeAll()
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.getOutputLines(Task.OutputKind.STDOUT);
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expected = Arrays.asList("test.Container:MANDATED");
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if (!expected.equals(log))
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throw new AssertionError("expected output not found: " + log);
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//from class:
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log = new JavacTask(tb)
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.options("-classpath", classes.toString(),
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"-processorpath", System.getProperty("test.classes"),
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"-processor", ListAnnotationsAP.class.getName())
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.outdir(classes)
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.files(src.resolve("Dummy.java"))
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.run()
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.writeAll()
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.getOutputLines(Task.OutputKind.STDOUT);
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expected = Arrays.asList("test.Container:EXPLICIT");
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if (!expected.equals(log))
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throw new AssertionError("expected output not found: " + log);
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}
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@SupportedAnnotationTypes("*")
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public static final class ListAnnotationsAP extends AbstractProcessor {
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@Override
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public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
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if (!roundEnv.processingOver())
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return false;
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Elements elements = processingEnv.getElementUtils();
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TypeElement test = elements.getTypeElement("test.Test");
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for (AnnotationMirror am : test.getAnnotationMirrors()) {
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System.out.println(am.getAnnotationType() + ":" + elements.getOrigin(test, am));
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}
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return false;
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}
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@Override
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public SourceVersion getSupportedSourceVersion() {
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return SourceVersion.latestSupported();
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}
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}
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@Test
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public void testModuleDirectives(Path base) throws Exception {
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Path src = base.resolve("src");
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tb.writeJavaFiles(src,
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"module m {}",
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"package p1; class Test {}",
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"package p2; class Test {}",
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"package p3; class Test {}",
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"package test; class Dummy {}");
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Path classes = base.resolve("classes");
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tb.createDirectories(classes);
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List<String> log;
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List<String> expected;
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//from source:
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log = new JavacTask(tb)
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.options("-processor", ListModuleAP.class.getName())
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.outdir(classes)
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.files(tb.findJavaFiles(src))
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.run()
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.writeAll()
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.getOutputLines(Task.OutputKind.STDOUT);
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expected = Arrays.asList("REQUIRES:java.base:MANDATED");
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if (!expected.equals(log))
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throw new AssertionError("expected output not found: " + log);
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tb.writeJavaFiles(src,
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"module m {" +
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" requires java.base;" +
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" requires java.compiler;" +
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" requires jdk.compiler;" +
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" exports p1;" +
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" exports p2;" +
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" exports p3;" +
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" opens p1;" +
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" opens p2;" +
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" opens p3;" +
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"}");
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new JavacTask(tb)
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.outdir(classes)
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.files(src.resolve("module-info.java"))
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.run()
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.writeAll();
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Path moduleInfo = classes.resolve("module-info.class");
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ClassFile cf = ClassFile.read(moduleInfo);
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Module_attribute module = (Module_attribute) cf.getAttribute(Attribute.Module);
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RequiresEntry[] newRequires = new RequiresEntry[3];
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newRequires[0] = new RequiresEntry(module.requires[0].requires_index,
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Module_attribute.ACC_MANDATED,
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module.requires[0].requires_version_index);
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newRequires[1] = new RequiresEntry(module.requires[1].requires_index,
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Module_attribute.ACC_SYNTHETIC,
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module.requires[1].requires_version_index);
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newRequires[2] = module.requires[2];
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ExportsEntry[] newExports = new ExportsEntry[3];
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newExports[0] = new ExportsEntry(module.exports[0].exports_index,
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Module_attribute.ACC_MANDATED,
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module.exports[0].exports_to_index);
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newExports[1] = new ExportsEntry(module.exports[1].exports_index,
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Module_attribute.ACC_SYNTHETIC,
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module.exports[1].exports_to_index);
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newExports[2] = module.exports[2];
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OpensEntry[] newOpens = new OpensEntry[3];
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newOpens[0] = new OpensEntry(module.opens[0].opens_index,
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Module_attribute.ACC_MANDATED,
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module.opens[0].opens_to_index);
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newOpens[1] = new OpensEntry(module.opens[1].opens_index,
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Module_attribute.ACC_SYNTHETIC,
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module.opens[1].opens_to_index);
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newOpens[2] = module.opens[2];
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Module_attribute newModule = new Module_attribute(module.attribute_name_index,
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module.module_name,
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module.module_flags,
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module.module_version_index,
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newRequires,
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newExports,
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newOpens,
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module.uses_index,
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module.provides);
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Map<String, Attribute> newAttributesMap = new HashMap<>(cf.attributes.map);
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newAttributesMap.put(Attribute.Module, newModule);
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Attributes newAttributes = new Attributes(newAttributesMap);
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ClassFile newClassFile = new ClassFile(cf.magic,
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cf.minor_version,
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cf.major_version,
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cf.constant_pool,
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cf.access_flags,
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cf.this_class,
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cf.super_class,
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cf.interfaces,
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cf.fields,
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cf.methods,
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newAttributes);
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try (OutputStream out = Files.newOutputStream(moduleInfo)) {
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new ClassWriter().write(newClassFile, out);
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}
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//from class:
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log = new JavacTask(tb)
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.options("-processor", ListModuleAP.class.getName())
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.outdir(classes)
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.files(src.resolve("test").resolve("Dummy.java"))
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.run()
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.writeAll()
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.getOutputLines(Task.OutputKind.STDOUT);
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expected = Arrays.asList(
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"REQUIRES:java.base:MANDATED",
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"REQUIRES:java.compiler:SYNTHETIC",
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"REQUIRES:jdk.compiler:EXPLICIT",
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"EXPORTS:p1:MANDATED",
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"EXPORTS:p2:SYNTHETIC",
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"EXPORTS:p3:EXPLICIT",
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"OPENS:p1:MANDATED",
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"OPENS:p2:SYNTHETIC",
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"OPENS:p3:EXPLICIT");
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if (!expected.equals(log))
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throw new AssertionError("expected output not found: " + log);
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}
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@SupportedAnnotationTypes("*")
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public static final class ListModuleAP extends AbstractProcessor {
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@Override
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public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
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|
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if (!roundEnv.processingOver())
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return false;
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Elements elements = processingEnv.getElementUtils();
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ModuleElement m = elements.getModuleElement("m");
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for (Directive d : m.getDirectives()) {
|
||
|
|
switch (d.getKind()) {
|
||
|
|
case REQUIRES:
|
||
|
|
RequiresDirective rd = (RequiresDirective) d;
|
||
|
|
System.out.println(rd.getKind() + ":" +
|
||
|
|
rd.getDependency().getQualifiedName() + ":" +
|
||
|
|
elements.getOrigin(m, rd));
|
||
|
|
break;
|
||
|
|
case EXPORTS:
|
||
|
|
ExportsDirective ed = (ExportsDirective) d;
|
||
|
|
System.out.println(ed.getKind() + ":" +
|
||
|
|
ed.getPackage() + ":" +
|
||
|
|
elements.getOrigin(m, ed));
|
||
|
|
break;
|
||
|
|
case OPENS:
|
||
|
|
OpensDirective od = (OpensDirective) d;
|
||
|
|
System.out.println(od.getKind() + ":" +
|
||
|
|
od.getPackage() + ":" +
|
||
|
|
elements.getOrigin(m, od));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public SourceVersion getSupportedSourceVersion() {
|
||
|
|
return SourceVersion.latestSupported();
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|