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

 /*

  * 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 7090249

  * @summary IllegalStateException from Trees.getScope when called from JSR 199

  */

 import com.sun.source.tree.IdentifierTree;

 import java.io.File;

 import java.util.Arrays;

 import java.util.Collections;

 import java.util.List;

 import java.util.Set;

 import javax.annotation.processing.AbstractProcessor;

 import javax.annotation.processing.RoundEnvironment;

 import javax.lang.model.element.Element;

 import javax.lang.model.element.TypeElement;

 import javax.tools.JavaCompiler;

 import javax.tools.JavaFileObject;

 import javax.tools.StandardJavaFileManager;

 import javax.tools.ToolProvider;

 import com.sun.source.util.JavacTask;

 import com.sun.source.util.TreePath;

 import com.sun.source.util.TreePathScanner;

 import com.sun.source.util.Trees;

 import javax.annotation.processing.SupportedAnnotationTypes;

 import javax.lang.model.SourceVersion;

 @SupportedAnnotationTypes("*")

 public class TestGetScope extends AbstractProcessor {

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

         new TestGetScope().run();

     }

     public void run() {

         File srcDir = new File(System.getProperty("test.src"));

         File thisFile = new File(srcDir, getClass().getName() + ".java");

         JavaCompiler c = ToolProvider.getSystemJavaCompiler();

         StandardJavaFileManager fm = c.getStandardFileManager(null, null, null);

         List<String> opts = Arrays.asList("-proc:only", "-doe");

         Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(thisFile);

         JavacTask t = (JavacTask) c.getTask(null, fm, null, opts, null, files);

         t.setProcessors(Collections.singleton(this));

         boolean ok = t.call();

         if (!ok)

             throw new Error("compilation failed");

     }

     @Override

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

         Trees trees = Trees.instance(processingEnv);

         if (round++ == 0) {

             for (Element e: roundEnv.getRootElements()) {

                 TreePath p = trees.getPath(e);

                 new Scanner().scan(p, trees);

             }

         }

         return false;

     }

     @Override

     public SourceVersion getSupportedSourceVersion() {

         return SourceVersion.latest();

     }

     int round;

     static class Scanner extends TreePathScanner<Void,Trees> {

         @Override

         public Void visitIdentifier(IdentifierTree t, Trees trees) {

             System.err.println("visitIdentifier: " + t);

             trees.getScope(getCurrentPath());

             return null;

         }

     }

 }