jdk8-mips64-public/langtools: test/tools/javac/api/TestClientCodeWrapper.java@93012e2a5d1d (annotated)

test/tools/javac/api/TestClientCodeWrapper.java@93012e2a5d1d (annotated)

test/tools/javac/api/TestClientCodeWrapper.java

Sat, 07 Nov 2020 10:30:02 +0800

author: aoqi
date: Sat, 07 Nov 2020 10:30:02 +0800
changeset 3938: 93012e2a5d1d
parent 2525: 2eb010b6cb22
permissions: -rw-r--r--

Added tag mips-jdk8u275-b01 for changeset eb6ee6a5f2fe

 /*
  * Copyright (c) 2011, 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 6437138 6482554
  * @summary JSR 199: Compiler doesn't diagnose crash in user code
  * @library ../lib
  * @build JavacTestingAbstractProcessor TestClientCodeWrapper
  * @run main TestClientCodeWrapper
  */
 import java.io.*;
 import java.lang.reflect.Method;
 import java.net.URI;
 import java.util.*;
 import javax.annotation.processing.*;
 import javax.lang.model.*;
 import javax.lang.model.element.*;
 import javax.tools.*;
 import com.sun.source.util.*;
 import com.sun.tools.javac.api.*;
 import javax.tools.JavaFileObject.Kind;
 public class TestClientCodeWrapper extends JavacTestingAbstractProcessor {
     public static void main(String... args) throws Exception {
         new TestClientCodeWrapper().run();
     }
     /**
      * Run a series of compilations, each with a different user-provided object
      * configured to throw an exception when a specific method is invoked.
      * Then, verify the exception is thrown as expected.
      *
      * Some methods are not invoked from the compiler, and are excluded from the test.
      */
     void run() throws Exception {
         JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
         defaultFileManager = compiler.getStandardFileManager(null, null, null);
         for (Method m: getMethodsExcept(JavaFileManager.class, "close", "getJavaFileForInput")) {
             test(m);
         }
         for (Method m: getMethodsExcept(FileObject.class, "delete")) {
             test(m);
         }
         for (Method m: getMethods(JavaFileObject.class)) {
             test(m);
         }
         for (Method m: getMethodsExcept(Processor.class, "getCompletions")) {
             test(m);
         }
         for (Method m: DiagnosticListener.class.getDeclaredMethods()) {
             test(m);
         }
         for (Method m: TaskListener.class.getDeclaredMethods()) {
             test(m);
         }
         if (errors > 0)
             throw new Exception(errors + " errors occurred");
     }
     /** Get a sorted set of the methods declared on a class. */
     Set<Method> getMethods(Class<?> clazz) {
         return getMethodsExcept(clazz, new String[0]);
     }
     /** Get a sorted set of the methods declared on a class, excluding
      *  specified methods by name. */
     Set<Method> getMethodsExcept(Class<?> clazz, String... exclude) {
         Set<Method> methods = new TreeSet<Method>(new Comparator<Method>() {
             public int compare(Method m1, Method m2) {
                 return m1.toString().compareTo(m2.toString());
             }
         });
         Set<String> e = new HashSet<String>(Arrays.asList(exclude));
         for (Method m: clazz.getDeclaredMethods()) {
             if (!e.contains(m.getName()))
                 methods.add(m);
         }
         return methods;
     }
     /**
      * Test a method in a user supplied component, to verify javac's handling
      * of any exceptions thrown by that method.
      */
     void test(Method m) throws Exception {
         testNum++;
         File extDirs = new File("empty-extdirs");
         extDirs.mkdirs();
         File testClasses = new File("test" + testNum);
         testClasses.mkdirs();
         defaultFileManager.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(testClasses));
         System.err.println("test " + testNum + ": "
                 + m.getDeclaringClass().getSimpleName() + "." + m.getName());
         StringWriter sw = new StringWriter();
         PrintWriter pw = new PrintWriter(sw);
         List<String> javacOptions = Arrays.asList(
                 "-extdirs", extDirs.getPath(), // for use by filemanager handleOption
                 "-processor", TestClientCodeWrapper.class.getName()
                 );
         List<String> classes = Collections.emptyList();
         JavacTool tool = JavacTool.create();
         try {
             JavacTask task = tool.getTask(pw,
                     getFileManager(m, defaultFileManager),
                     getDiagnosticListener(m, pw),
                     javacOptions,
                     classes,
                     getCompilationUnits(m));
             if (isDeclaredIn(m, Processor.class))
                 task.setProcessors(getProcessors(m));
             if (isDeclaredIn(m, TaskListener.class))
                 task.setTaskListener(getTaskListener(m, pw));
             boolean ok = task.call();
             error("compilation " + (ok ? "succeeded" : "failed") + " unexpectedly");
         } catch (RuntimeException e) {
             System.err.println("caught " + e);
             if (e.getClass() == RuntimeException.class) {
                 Throwable cause = e.getCause();
                 if (cause instanceof UserError) {
                     String expect = m.getName();
                     String found = cause.getMessage();
                     checkEqual("exception messaqe", expect, found);
                 } else {
                     cause.printStackTrace(System.err);
                     error("Unexpected exception: " + cause);
                 }
             } else {
                 e.printStackTrace(System.err);
                 error("Unexpected exception: " + e);
             }
         }
         pw.close();
         String out = sw.toString();
         System.err.println(out);
     }
     /** Get a file manager to use for the test compilation. */
     JavaFileManager getFileManager(Method m, JavaFileManager defaultFileManager) {
         return isDeclaredIn(m, JavaFileManager.class, FileObject.class, JavaFileObject.class)
                 ? new UserFileManager(m, defaultFileManager)
                 : defaultFileManager;
     }
     /** Get a diagnostic listener to use for the test compilation. */
     DiagnosticListener<JavaFileObject> getDiagnosticListener(Method m, PrintWriter out) {
         return isDeclaredIn(m, DiagnosticListener.class)
                 ? new UserDiagnosticListener(m, out)
                 : null;
     }
     /** Get a set of file objects to use for the test compilation. */
     Iterable<? extends JavaFileObject> getCompilationUnits(Method m) {
         File testSrc = new File(System.getProperty("test.src"));
         File thisSrc = new File(testSrc, TestClientCodeWrapper.class.getName() + ".java");
         Iterable<? extends JavaFileObject> files = defaultFileManager.getJavaFileObjects(thisSrc);
         if (isDeclaredIn(m, FileObject.class, JavaFileObject.class))
             return Arrays.asList(new UserFileObject(m, files.iterator().next()));
         else
             return files;
     }
     /** Get a set of annotation processors to use for the test compilation. */
     Iterable<? extends Processor> getProcessors(Method m) {
         return Arrays.asList(new UserProcessor(m));
     }
     /** Get a task listener to use for the test compilation. */
     TaskListener getTaskListener(Method m, PrintWriter out) {
         return new UserTaskListener(m, out);
     }
     /** Check if two values are .equal, and report an error if not. */
     <T> void checkEqual(String label, T expect, T found) {
         if (!expect.equals(found))
             error("Unexpected value for " + label + ": " + found + "; expected: " + expect);
     }
     /** Report an error. */
     void error(String msg) {
         System.err.println("Error: " + msg);
         errors++;
     }
     /** Check if a method is declared in any of a set of classes */
     static boolean isDeclaredIn(Method m, Class<?>... classes) {
         Class<?> dc = m.getDeclaringClass();
         for (Class<?> c: classes) {
             if (c == dc) return true;
         }
         return false;
     }
     /** Throw an intentional error if the method has a given name. */
     static void throwUserExceptionIfNeeded(Method m, String name) {
         if (m != null && m.getName().equals(name))
             throw new UserError(name);
     }
     StandardJavaFileManager defaultFileManager;
     int testNum;
     int errors;
     //--------------------------------------------------------------------------
     /**
      * Processor used to trigger use of methods not normally used by javac.
      */
     @Override
     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
         boolean firstRound = false;
         for (Element e: roundEnv.getRootElements()) {
             if (e.getSimpleName().contentEquals(TestClientCodeWrapper.class.getSimpleName()))
                 firstRound = true;
         }
         if (firstRound) {
             try {
                 FileObject f1 = filer.getResource(StandardLocation.CLASS_PATH, "",
                     TestClientCodeWrapper.class.getName() + ".java");
                 f1.openInputStream().close();
                 f1.openReader(false).close();
                 FileObject f2 = filer.createResource(
                         StandardLocation.CLASS_OUTPUT, "", "f2.txt", (Element[]) null);
                 f2.openOutputStream().close();
                 FileObject f3 = filer.createResource(
                         StandardLocation.CLASS_OUTPUT, "", "f3.txt", (Element[]) null);
                 f3.openWriter().close();
                 JavaFileObject f4 = filer.createSourceFile("f4", (Element[]) null);
                 f4.openWriter().close();
                 f4.getNestingKind();
                 f4.getAccessLevel();
                 messager.printMessage(Diagnostic.Kind.NOTE, "informational note",
                         roundEnv.getRootElements().iterator().next());
             } catch (IOException e) {
                 throw new UserError(e);
             }
         }
         return true;
     }
     //--------------------------------------------------------------------------
     // <editor-fold defaultstate="collapsed" desc="User classes">
     static class UserError extends Error {
         private static final long serialVersionUID = 1L;
         UserError(String msg) {
             super(msg);
         }
         UserError(Throwable t) {
             super(t);
         }
     }
     static class UserFileManager extends ForwardingJavaFileManager<JavaFileManager> {
         Method fileManagerMethod;
         Method fileObjectMethod;
         UserFileManager(Method m, JavaFileManager delegate) {
             super(delegate);
             if (isDeclaredIn(m, JavaFileManager.class)) {
                 fileManagerMethod = m;
             } else if (isDeclaredIn(m, FileObject.class, JavaFileObject.class)) {
                 fileObjectMethod = m;
             } else
                 assert false;
         }
         @Override
         public ClassLoader getClassLoader(Location location) {
             throwUserExceptionIfNeeded(fileManagerMethod, "getClassLoader");
             return super.getClassLoader(location);
         }
         @Override
         public Iterable<JavaFileObject> list(Location location, String packageName, Set<Kind> kinds, boolean recurse) throws IOException {
             throwUserExceptionIfNeeded(fileManagerMethod, "list");
             return wrap(super.list(location, packageName, kinds, recurse));
         }
         @Override
         public String inferBinaryName(Location location, JavaFileObject file) {
             throwUserExceptionIfNeeded(fileManagerMethod, "inferBinaryName");
             return super.inferBinaryName(location, unwrap(file));
         }
         @Override
         public boolean isSameFile(FileObject a, FileObject b) {
             throwUserExceptionIfNeeded(fileManagerMethod, "isSameFile");
             return super.isSameFile(unwrap(a), unwrap(b));
         }
         @Override
         public boolean handleOption(String current, Iterator<String> remaining) {
             throwUserExceptionIfNeeded(fileManagerMethod, "handleOption");
             return super.handleOption(current, remaining);
         }
         @Override
         public boolean hasLocation(Location location) {
             throwUserExceptionIfNeeded(fileManagerMethod, "hasLocation");
             return super.hasLocation(location);
         }
         @Override
         public JavaFileObject getJavaFileForInput(Location location, String className, Kind kind) throws IOException {
             throwUserExceptionIfNeeded(fileManagerMethod, "getJavaFileForInput");
             return wrap(super.getJavaFileForInput(location, className, kind));
         }
         @Override
         public JavaFileObject getJavaFileForOutput(Location location, String className, Kind kind, FileObject sibling) throws IOException {
             throwUserExceptionIfNeeded(fileManagerMethod, "getJavaFileForOutput");
             return wrap(super.getJavaFileForOutput(location, className, kind, sibling));
         }
         @Override
         public FileObject getFileForInput(Location location, String packageName, String relativeName) throws IOException {
             throwUserExceptionIfNeeded(fileManagerMethod, "getFileForInput");
             return wrap(super.getFileForInput(location, packageName, relativeName));
         }
         @Override
         public FileObject getFileForOutput(Location location, String packageName, String relativeName, FileObject sibling) throws IOException {
             throwUserExceptionIfNeeded(fileManagerMethod, "getFileForOutput");
             return wrap(super.getFileForOutput(location, packageName, relativeName, sibling));
         }
         @Override
         public void flush() throws IOException {
             throwUserExceptionIfNeeded(fileManagerMethod, "flush");
             super.flush();
         }
         @Override
         public void close() throws IOException {
             throwUserExceptionIfNeeded(fileManagerMethod, "close");
             super.close();
         }
         @Override
         public int isSupportedOption(String option) {
             throwUserExceptionIfNeeded(fileManagerMethod, "isSupportedOption");
             return super.isSupportedOption(option);
         }
         public FileObject wrap(FileObject fo) {
             if (fileObjectMethod == null)
                 return fo;
             return new UserFileObject(fileObjectMethod, (JavaFileObject)fo);
         }
         FileObject unwrap(FileObject fo) {
             if (fo instanceof UserFileObject)
                 return ((UserFileObject) fo).unwrap();
             else
                 return fo;
         }
         public JavaFileObject wrap(JavaFileObject fo) {
             if (fileObjectMethod == null)
                 return fo;
             return new UserFileObject(fileObjectMethod, fo);
         }
         public Iterable<JavaFileObject> wrap(Iterable<? extends JavaFileObject> list) {
             List<JavaFileObject> wrapped = new ArrayList<JavaFileObject>();
             for (JavaFileObject fo : list)
                 wrapped.add(wrap(fo));
             return Collections.unmodifiableList(wrapped);
         }
         JavaFileObject unwrap(JavaFileObject fo) {
             if (fo instanceof UserFileObject)
                 return ((UserFileObject) fo).unwrap();
             else
                 return fo;
         }
     }
     static class UserFileObject extends ForwardingJavaFileObject<JavaFileObject> {
         Method method;
         UserFileObject(Method m, JavaFileObject delegate) {
             super(delegate);
             assert isDeclaredIn(m, FileObject.class, JavaFileObject.class);
             this.method = m;
         }
         JavaFileObject unwrap() {
             return fileObject;
         }
         @Override
         public Kind getKind() {
             throwUserExceptionIfNeeded(method, "getKind");
             return super.getKind();
         }
         @Override
         public boolean isNameCompatible(String simpleName, Kind kind) {
             throwUserExceptionIfNeeded(method, "isNameCompatible");
             return super.isNameCompatible(simpleName, kind);
         }
         @Override
         public NestingKind getNestingKind() {
             throwUserExceptionIfNeeded(method, "getNestingKind");
             return super.getNestingKind();
         }
         @Override
         public Modifier getAccessLevel() {
             throwUserExceptionIfNeeded(method, "getAccessLevel");
             return super.getAccessLevel();
         }
         @Override
         public URI toUri() {
             throwUserExceptionIfNeeded(method, "toUri");
             return super.toUri();
         }
         @Override
         public String getName() {
             throwUserExceptionIfNeeded(method, "getName");
             return super.getName();
         }
         @Override
         public InputStream openInputStream() throws IOException {
             throwUserExceptionIfNeeded(method, "openInputStream");
             return super.openInputStream();
         }
         @Override
         public OutputStream openOutputStream() throws IOException {
             throwUserExceptionIfNeeded(method, "openOutputStream");
             return super.openOutputStream();
         }
         @Override
         public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
             throwUserExceptionIfNeeded(method, "openReader");
             return super.openReader(ignoreEncodingErrors);
         }
         @Override
         public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
             throwUserExceptionIfNeeded(method, "getCharContent");
             return super.getCharContent(ignoreEncodingErrors);
         }
         @Override
         public Writer openWriter() throws IOException {
             throwUserExceptionIfNeeded(method, "openWriter");
             return super.openWriter();
         }
         @Override
         public long getLastModified() {
             throwUserExceptionIfNeeded(method, "getLastModified");
             return super.getLastModified();
         }
         @Override
         public boolean delete() {
             throwUserExceptionIfNeeded(method, "delete");
             return super.delete();
         }
     }
     static class UserProcessor extends JavacTestingAbstractProcessor {
         Method method;
         UserProcessor(Method m) {
             assert isDeclaredIn(m, Processor.class);
             method = m;
         }
         @Override
         public Set<String> getSupportedOptions() {
             throwUserExceptionIfNeeded(method, "getSupportedOptions");
             return super.getSupportedOptions();
         }
         @Override
         public Set<String> getSupportedAnnotationTypes() {
             throwUserExceptionIfNeeded(method, "getSupportedAnnotationTypes");
             return super.getSupportedAnnotationTypes();
         }
         @Override
         public SourceVersion getSupportedSourceVersion() {
             throwUserExceptionIfNeeded(method, "getSupportedSourceVersion");
             return super.getSupportedSourceVersion();
         }
         @Override
         public void init(ProcessingEnvironment processingEnv) {
             throwUserExceptionIfNeeded(method, "init");
             super.init(processingEnv);
         }
         @Override
         public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
             throwUserExceptionIfNeeded(method, "process");
             return true;
         }
         @Override
         public Iterable<? extends Completion> getCompletions(Element element, AnnotationMirror annotation, ExecutableElement member, String userText) {
             throwUserExceptionIfNeeded(method, "getCompletions");
             return super.getCompletions(element, annotation, member, userText);
         }
     }
     static class UserDiagnosticListener implements DiagnosticListener<JavaFileObject> {
         Method method;
         PrintWriter out;
         UserDiagnosticListener(Method m, PrintWriter out) {
             assert isDeclaredIn(m, DiagnosticListener.class);
             this.method = m;
             this.out = out;
         }
         @Override
         public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
             throwUserExceptionIfNeeded(method, "report");
             out.println("report: " + diagnostic);
         }
     }
     static class UserTaskListener implements TaskListener {
         Method method;
         PrintWriter out;
         UserTaskListener(Method m, PrintWriter out) {
             assert isDeclaredIn(m, TaskListener.class);
             this.method = m;
             this.out = out;
         }
         @Override
         public void started(TaskEvent e) {
             throwUserExceptionIfNeeded(method, "started");
             out.println("started: " + e);
         }
         @Override
         public void finished(TaskEvent e) {
             throwUserExceptionIfNeeded(method, "finished");
             out.println("finished: " + e);
         }
     }
     // </editor-fold>
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/api/TestClientCodeWrapper.java@93012e2a5d1d (annotated)

test/tools/javac/api/TestClientCodeWrapper.java