author | akulyakh |
Thu, 21 May 2015 11:41:04 -0700 | |
changeset 30730 | d3ce7619db2c |
parent 26100 | bb7dd001d190 |
child 36526 | 3b41f1c69604 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2014, 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 8038455 |
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* @summary Verify that annotation processor can overwrite source and class files it generated |
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* during previous compilations, and that the Symbols are updated appropriatelly. |
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* @library /tools/lib /tools/javac/lib/ |
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* @modules jdk.compiler/com.sun.tools.javac.api |
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* jdk.compiler/com.sun.tools.javac.file |
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* jdk.compiler/com.sun.tools.javac.main |
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* jdk.compiler/com.sun.tools.javac.processing |
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* jdk.compiler/com.sun.tools.javac.util |
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* @clean * |
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* @build OverwriteBetweenCompilations ToolBox JavacTestingAbstractProcessor |
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* @compile/ref=OverwriteBetweenCompilations_1.out -processor OverwriteBetweenCompilations -Apass=1 -parameters -XDrawDiagnostics OverwriteBetweenCompilationsSource.java |
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* @compile/ref=OverwriteBetweenCompilations_2.out -processor OverwriteBetweenCompilations -Apass=2 -parameters -XDrawDiagnostics OverwriteBetweenCompilationsSource.java |
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* @compile/ref=OverwriteBetweenCompilations_3.out -processor OverwriteBetweenCompilations -Apass=3 -parameters -XDrawDiagnostics OverwriteBetweenCompilationsSource.java |
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*/ |
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import java.io.*; |
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import java.util.*; |
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import javax.annotation.processing.*; |
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import javax.lang.model.element.*; |
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import javax.tools.*; |
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import com.sun.tools.javac.processing.JavacProcessingEnvironment; |
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import com.sun.tools.javac.processing.PrintingProcessor.PrintingElementVisitor; |
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import com.sun.tools.javac.util.Log; |
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import com.sun.tools.javac.util.Log.WriterKind; |
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@SupportedOptions("pass") |
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public class OverwriteBetweenCompilations extends JavacTestingAbstractProcessor { |
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int round = 1; |
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@Override |
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public boolean process(Set<? extends TypeElement> annotations, |
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RoundEnvironment roundEnv) { |
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Log log = Log.instance(((JavacProcessingEnvironment) processingEnv).getContext()); |
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PrintWriter pw = log.getWriter(WriterKind.NOTICE); |
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pw.println("round: " + round); |
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TypeElement generatedSource = |
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processingEnv.getElementUtils().getTypeElement("GeneratedSource"); |
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if (generatedSource != null) { |
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new PrintingElementVisitor(pw, processingEnv.getElementUtils()).visit(generatedSource); |
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pw.flush(); |
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} |
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TypeElement generatedClass = |
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processingEnv.getElementUtils().getTypeElement("GeneratedClass"); |
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if (generatedClass != null) { |
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new PrintingElementVisitor(pw, processingEnv.getElementUtils()).visit(generatedClass); |
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pw.flush(); |
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} |
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int pass = Integer.parseInt(processingEnv.getOptions().get("pass")); |
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if (round++ == 1) { |
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try (Writer out = filer.createSourceFile("GeneratedSource").openWriter()) { |
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String code = pass != 2 ? GENERATED_INIT : GENERATED_UPDATE; |
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code = code.replace("NAME", "GeneratedSource"); |
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out.write(code); |
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} catch (IOException e) { |
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processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, e.toString()); |
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} |
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try (OutputStream out = filer.createClassFile("GeneratedClass").openOutputStream()) { |
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String code = pass != 2 ? GENERATED_INIT : GENERATED_UPDATE; |
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code = code.replace("NAME", "GeneratedClass"); |
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ToolBox tb = new ToolBox(); |
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ToolBox.MemoryFileManager mfm = new ToolBox.MemoryFileManager(); |
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tb.new JavacTask() |
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.fileManager(mfm) |
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.options("-parameters") |
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.sources(code) |
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.run(); |
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out.write(mfm.getFileBytes(StandardLocation.CLASS_OUTPUT, "GeneratedClass")); |
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} catch (IOException e) { |
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processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, e.toString()); |
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} |
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} |
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return false; |
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} |
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//the initial generated class - "NAME" will be replaced with either "GeneratedSource" or |
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//"GeneratedClass" while generating the class: |
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private static final String GENERATED_INIT = |
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"@Deprecated\n" + |
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"public class NAME<T extends CharSequence> extends java.util.ArrayList<String>\n" + |
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" implements Runnable {\n" + |
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" public void test(int a) { }\n" + |
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" public void run() { }\n" + |
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"}"; |
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//generated class update- "NAME" will be replaced with either "GeneratedSource" or |
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//"GeneratedClass" while generating the class: |
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private static final String GENERATED_UPDATE = |
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"@javax.annotation.processing.SupportedAnnotationTypes(\"*\")\n" + |
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"public abstract class NAME<E extends Number> extends java.util.LinkedList<Number>" + |
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" implements Runnable, CharSequence {\n" + |
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" public void test(long a) { }\n" + |
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"}"; |
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} |