Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 2010, 2012, 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 7196760

  * @summary javac doesn't report Diagnostic end positions properly when

  * an annotation processor is present

  */

 import com.sun.source.tree.ClassTree;

 import com.sun.source.tree.CompilationUnitTree;

 import com.sun.source.tree.Tree;

 import com.sun.source.util.JavacTask;

 import com.sun.source.util.Trees;

 import java.io.IOException;

 import java.net.URI;

 import java.util.Arrays;

 import java.util.Collections;

 import java.util.List;

 import java.util.Set;

 import javax.annotation.processing.*;

 import javax.lang.model.*;

 import javax.lang.model.element.*;

 import javax.tools.JavaCompiler;

 import javax.tools.JavaFileObject;

 import javax.tools.SimpleJavaFileObject;

 import javax.tools.Diagnostic;

 import javax.tools.DiagnosticCollector;

 import static javax.tools.JavaFileObject.Kind.SOURCE;

 import javax.tools.ToolProvider;

 @SupportedAnnotationTypes("*")

 public class EndPositions extends AbstractProcessor {

     public static void main(String... args) throws IOException {

         class MyFileObject extends SimpleJavaFileObject {

             MyFileObject() {

                 super(URI.create("myfo:///Test.java"), SOURCE);

             }

             @Override

             public String getCharContent(boolean ignoreEncodingErrors) {

                 //      0         1         2         3

                 //      012345678901234567890123456789012345

                 return "class Test { String s = 1234; }";

             }

         }

         JavaCompiler javac = ToolProvider.getSystemJavaCompiler();

         List<JavaFileObject> compilationUnits =

                 Collections.<JavaFileObject>singletonList(new MyFileObject());

         DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();

         List<String> options = Arrays.asList("-processor", EndPositions.class.getCanonicalName());

         JavacTask task = (JavacTask)javac.getTask(null, null, diagnostics, options, null, compilationUnits);

         boolean valid = task.call();

         if (valid)

             throw new AssertionError("Compilation succeeded unexpectedly");

         List<Diagnostic<? extends JavaFileObject>> errors = diagnostics.getDiagnostics();

         if (errors.size() != 1)

             throw new AssertionError("Expected one error only, but found " + errors.size() + " errors");

         Diagnostic<?> error = errors.get(0);

         if (error.getStartPosition() >= error.getEndPosition())

             throw new AssertionError("Expected start to be less than end position: start [" +

                     error.getStartPosition() + "], end [" + error.getEndPosition() +"]");

         System.out.println("All is good!");

     }

     @Override

     public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {

         return true;

     }

     @Override

     public SourceVersion getSupportedSourceVersion() {

         return SourceVersion.latest();

     }

 }