aoqi@0: /*
aoqi@0:  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /*
aoqi@0:  * @test
aoqi@0:  * @bug 6967842
aoqi@0:  * @summary Element not returned from tree API for ARM resource variables.
aoqi@0:  * @author A. Sundararajan
aoqi@0:  * @library /tools/javac/lib
aoqi@0:  * @build   JavacTestingAbstractProcessor TestResourceElement
aoqi@0:  * @compile -processor TestResourceElement -proc:only TestResourceElement.java
aoqi@0:  */
aoqi@0: 
aoqi@0: import javax.annotation.processing.*;
aoqi@0: import javax.lang.model.*;
aoqi@0: import javax.lang.model.element.*;
aoqi@0: import java.util.*;
aoqi@0: import com.sun.source.tree.*;
aoqi@0: import com.sun.source.util.*;
aoqi@0: 
aoqi@0: public class TestResourceElement extends JavacTestingAbstractProcessor implements AutoCloseable {
aoqi@0:     public boolean process(Set<? extends TypeElement> annotations,
aoqi@0:                           RoundEnvironment roundEnv) {
aoqi@0:        if (!roundEnv.processingOver()) {
aoqi@0:            Trees trees = Trees.instance(processingEnv);
aoqi@0: 
aoqi@0:            for(Element rootElement : roundEnv.getRootElements()) {
aoqi@0:                TreePath treePath = trees.getPath(rootElement);
aoqi@0: 
aoqi@0:                VariableScanner varScanner =  new VariableScanner(trees);
aoqi@0:                varScanner.scan(trees.getTree(rootElement),
aoqi@0:                         treePath.getCompilationUnit());
aoqi@0:                if (varScanner.getTrvElement() == null) {
aoqi@0:                    throw new AssertionError("Element is null for 'trv'");
aoqi@0:                }
aoqi@0:            }
aoqi@0:        }
aoqi@0:        return true;
aoqi@0:     }
aoqi@0: 
aoqi@0:     @Override
aoqi@0:     public void close() {}
aoqi@0: 
aoqi@0:     private void test1() {
aoqi@0:         // The resource variable "trv"'s Element is checked.
aoqi@0:         // Do not change the name of the variable.
aoqi@0:         try(TestResourceElement trv = this) {}
aoqi@0:     }
aoqi@0: 
aoqi@0:     class VariableScanner extends TreeScanner<Void, CompilationUnitTree> {
aoqi@0:        private Trees trees;
aoqi@0:        private Element trvElement;
aoqi@0: 
aoqi@0:        public VariableScanner(Trees trees) {
aoqi@0:            super();
aoqi@0:            this.trees = trees;
aoqi@0:        }
aoqi@0:        @Override
aoqi@0:        public Void visitVariable(VariableTree node, CompilationUnitTree cu) {
aoqi@0:            // if this is "trv", get it's element.
aoqi@0:            if (node.getName().contentEquals("trv")) {
aoqi@0:                trvElement = trees.getElement(trees.getPath(cu, node));
aoqi@0:            }
aoqi@0:            return super.visitVariable(node, cu);
aoqi@0:        }
aoqi@0: 
aoqi@0:        Element getTrvElement() {
aoqi@0:            return trvElement;
aoqi@0:        }
aoqi@0:    }
aoqi@0: }