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

 /*

  * Copyright (c) 2008, 2010, 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

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  * questions.

  */

 /*

  * @test

  * @bug 6654037

  * @summary JCTree.pos may be incorrect for BinaryTrees

  */

 import com.sun.source.tree.BinaryTree;

 import com.sun.source.tree.ClassTree;

 import com.sun.source.tree.CompilationUnitTree;

 import com.sun.source.tree.MethodTree;

 import com.sun.source.tree.VariableTree;

 import com.sun.tools.javac.api.JavacTaskImpl;

 import com.sun.tools.javac.tree.JCTree;

 import java.net.URI;

 import java.util.Arrays;

 import javax.tools.JavaCompiler;

 import javax.tools.JavaFileObject;

 import javax.tools.SimpleJavaFileObject;

 import javax.tools.ToolProvider;

 public class T6654037 {

     public static void main(String[] args) throws Exception {

         final String bootPath = System.getProperty("sun.boot.class.path"); //NOI18N

         final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();

         assert tool != null;

         String code = "package test; public class Test {private void test() {Object o = null; boolean b = o != null && o instanceof String;} private Test() {}}";

         JavacTaskImpl ct = (JavacTaskImpl) tool.getTask(null, null, null, Arrays.asList("-bootclasspath", bootPath, "-Xjcov"), null, Arrays.asList(new MyFileObject(code)));

         CompilationUnitTree cut = ct.parse().iterator().next();

         ClassTree clazz = (ClassTree) cut.getTypeDecls().get(0);

         MethodTree method = (MethodTree) clazz.getMembers().get(0);

         VariableTree condSt = (VariableTree) method.getBody().getStatements().get(1);

         BinaryTree cond = (BinaryTree) condSt.getInitializer();

         JCTree condJC = (JCTree) cond;

         if (condJC.pos != 93)

             throw new IllegalStateException("Unexpected position=" + condJC.pos);

     }

     static class MyFileObject extends SimpleJavaFileObject {

         private String text;

         public MyFileObject(String text) {

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

             this.text = text;

         }

         @Override

         public CharSequence getCharContent(boolean ignoreEncodingErrors) {

             return text;

         }

     }

 }