sundar@697: /*
sundar@697:  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
sundar@697:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
sundar@697:  *
sundar@697:  * This code is free software; you can redistribute it and/or modify it
sundar@697:  * under the terms of the GNU General Public License version 2 only, as
sundar@697:  * published by the Free Software Foundation.
sundar@697:  *
sundar@697:  * This code is distributed in the hope that it will be useful, but WITHOUT
sundar@697:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
sundar@697:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
sundar@697:  * version 2 for more details (a copy is included in the LICENSE file that
sundar@697:  * accompanied this code).
sundar@697:  *
sundar@697:  * You should have received a copy of the GNU General Public License version
sundar@697:  * 2 along with this work; if not, write to the Free Software Foundation,
sundar@697:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
sundar@697:  *
sundar@697:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
sundar@697:  * or visit www.oracle.com if you need additional information or have any
sundar@697:  * questions.
sundar@697:  */
sundar@697: 
sundar@697: /*
sundar@697:  * @test
sundar@697:  * @bug 6967842
sundar@697:  * @summary Element not returned from tree API for ARM resource variables.
sundar@697:  * @author A. Sundararajan
darcy@1466:  * @library /tools/javac/lib
darcy@699:  * @build   JavacTestingAbstractProcessor TestResourceElement
sundar@697:  * @compile -processor TestResourceElement -proc:only TestResourceElement.java
sundar@697:  */
sundar@697: 
sundar@697: import javax.annotation.processing.*;
sundar@697: import javax.lang.model.*;
sundar@697: import javax.lang.model.element.*;
sundar@697: import java.util.*;
sundar@697: import com.sun.source.tree.*;
sundar@697: import com.sun.source.util.*;
sundar@697: 
darcy@699: public class TestResourceElement extends JavacTestingAbstractProcessor implements AutoCloseable {
sundar@697:     public boolean process(Set<? extends TypeElement> annotations,
sundar@697:                           RoundEnvironment roundEnv) {
sundar@697:        if (!roundEnv.processingOver()) {
sundar@697:            Trees trees = Trees.instance(processingEnv);
sundar@697: 
sundar@697:            for(Element rootElement : roundEnv.getRootElements()) {
sundar@697:                TreePath treePath = trees.getPath(rootElement);
sundar@697: 
sundar@697:                VariableScanner varScanner =  new VariableScanner(trees);
sundar@697:                varScanner.scan(trees.getTree(rootElement),
sundar@697:                         treePath.getCompilationUnit());
sundar@697:                if (varScanner.getTrvElement() == null) {
sundar@697:                    throw new AssertionError("Element is null for 'trv'");
sundar@697:                }
sundar@697:            }
sundar@697:        }
sundar@697:        return true;
sundar@697:     }
sundar@697: 
sundar@697:     @Override
sundar@697:     public void close() {}
sundar@697: 
sundar@697:     private void test1() {
sundar@697:         // The resource variable "trv"'s Element is checked.
sundar@697:         // Do not change the name of the variable.
sundar@697:         try(TestResourceElement trv = this) {}
sundar@697:     }
sundar@697: 
sundar@697:     class VariableScanner extends TreeScanner<Void, CompilationUnitTree> {
sundar@697:        private Trees trees;
sundar@697:        private Element trvElement;
sundar@697: 
sundar@697:        public VariableScanner(Trees trees) {
sundar@697:            super();
sundar@697:            this.trees = trees;
sundar@697:        }
sundar@697:        @Override
sundar@697:        public Void visitVariable(VariableTree node, CompilationUnitTree cu) {
sundar@697:            // if this is "trv", get it's element.
sundar@697:            if (node.getName().contentEquals("trv")) {
sundar@697:                trvElement = trees.getElement(trees.getPath(cu, node));
sundar@697:            }
sundar@697:            return super.visitVariable(node, cu);
sundar@697:        }
sundar@697: 
sundar@697:        Element getTrvElement() {
sundar@697:            return trvElement;
sundar@697:        }
sundar@697:    }
sundar@697: }