| /* |
| * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8038455 |
| * @summary Verify that annotation processor can overwrite source and class files it generated |
| * during previous compilations, and that the Symbols are updated appropriately. |
| * @library /tools/lib /tools/javac/lib/ |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.main |
| * jdk.compiler/com.sun.tools.javac.processing |
| * jdk.compiler/com.sun.tools.javac.util |
| * jdk.jdeps/com.sun.tools.javap |
| * @clean * |
| * @build toolbox.ToolBox toolbox.JavacTask |
| * @build OverwriteBetweenCompilations JavacTestingAbstractProcessor |
| * @compile/ref=OverwriteBetweenCompilations_1.out -XDaccessInternalAPI -processor OverwriteBetweenCompilations -Apass=1 -parameters -XDrawDiagnostics OverwriteBetweenCompilationsSource.java |
| * @compile/ref=OverwriteBetweenCompilations_2.out -XDaccessInternalAPI -processor OverwriteBetweenCompilations -Apass=2 -parameters -XDrawDiagnostics OverwriteBetweenCompilationsSource.java |
| * @compile/ref=OverwriteBetweenCompilations_3.out -XDaccessInternalAPI -processor OverwriteBetweenCompilations -Apass=3 -parameters -XDrawDiagnostics OverwriteBetweenCompilationsSource.java |
| */ |
| |
| import java.io.*; |
| import java.util.*; |
| |
| import javax.annotation.processing.*; |
| import javax.lang.model.element.*; |
| import javax.tools.*; |
| |
| import com.sun.tools.javac.processing.JavacProcessingEnvironment; |
| import com.sun.tools.javac.processing.PrintingProcessor.PrintingElementVisitor; |
| import com.sun.tools.javac.util.Log; |
| import com.sun.tools.javac.util.Log.WriterKind; |
| |
| import toolbox.JavacTask; |
| import toolbox.ToolBox; |
| |
| @SupportedOptions("pass") |
| public class OverwriteBetweenCompilations extends JavacTestingAbstractProcessor { |
| int round = 1; |
| @Override |
| public boolean process(Set<? extends TypeElement> annotations, |
| RoundEnvironment roundEnv) { |
| Log log = Log.instance(((JavacProcessingEnvironment) processingEnv).getContext()); |
| PrintWriter pw = log.getWriter(WriterKind.NOTICE); |
| |
| pw.println("round: " + round); |
| |
| TypeElement generatedSource = |
| processingEnv.getElementUtils().getTypeElement("GeneratedSource"); |
| |
| if (generatedSource != null) { |
| new PrintingElementVisitor(pw, processingEnv.getElementUtils()).visit(generatedSource); |
| pw.flush(); |
| } |
| |
| TypeElement generatedClass = |
| processingEnv.getElementUtils().getTypeElement("GeneratedClass"); |
| |
| if (generatedClass != null) { |
| new PrintingElementVisitor(pw, processingEnv.getElementUtils()).visit(generatedClass); |
| pw.flush(); |
| } |
| |
| int pass = Integer.parseInt(processingEnv.getOptions().get("pass")); |
| |
| if (round++ == 1) { |
| try (Writer out = filer.createSourceFile("GeneratedSource").openWriter()) { |
| String code = pass != 2 ? GENERATED_INIT : GENERATED_UPDATE; |
| code = code.replace("NAME", "GeneratedSource"); |
| out.write(code); |
| } catch (IOException e) { |
| processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, e.toString()); |
| } |
| try (OutputStream out = filer.createClassFile("GeneratedClass").openOutputStream()) { |
| String code = pass != 2 ? GENERATED_INIT : GENERATED_UPDATE; |
| code = code.replace("NAME", "GeneratedClass"); |
| |
| ToolBox tb = new ToolBox(); |
| ToolBox.MemoryFileManager mfm = new ToolBox.MemoryFileManager(); |
| new JavacTask(tb) |
| .fileManager(mfm) |
| .options("-parameters") |
| .sources(code) |
| .run(); |
| |
| out.write(mfm.getFileBytes(StandardLocation.CLASS_OUTPUT, "GeneratedClass")); |
| } catch (IOException e) { |
| processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, e.toString()); |
| } |
| } |
| |
| return false; |
| } |
| |
| //the initial generated class - "NAME" will be replaced with either "GeneratedSource" or |
| //"GeneratedClass" while generating the class: |
| private static final String GENERATED_INIT = |
| "@Deprecated\n" + |
| "public class NAME<T extends CharSequence> extends java.util.ArrayList<String>\n" + |
| " implements Runnable {\n" + |
| " public void test(int a) { }\n" + |
| " public void run() { }\n" + |
| "}"; |
| |
| //generated class update- "NAME" will be replaced with either "GeneratedSource" or |
| //"GeneratedClass" while generating the class: |
| private static final String GENERATED_UPDATE = |
| "@javax.annotation.processing.SupportedAnnotationTypes(\"*\")\n" + |
| "public abstract class NAME<E extends Number> extends java.util.LinkedList<Number>" + |
| " implements Runnable, CharSequence {\n" + |
| " public void test(long a) { }\n" + |
| "}"; |
| } |