1 /* 2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6967842 27 * @summary Element not returned from tree API for ARM resource variables. 28 * @author A. Sundararajan 29 * @library ../../../lib 30 * @build JavacTestingAbstractProcessor TestResourceElement 31 * @compile -processor TestResourceElement -proc:only TestResourceElement.java 32 */ 33 34 import javax.annotation.processing.*; 35 import javax.lang.model.*; 36 import javax.lang.model.element.*; 37 import java.util.*; 38 import com.sun.source.tree.*; 39 import com.sun.source.util.*; 40 41 public class TestResourceElement extends JavacTestingAbstractProcessor implements AutoCloseable { 42 public boolean process(Set<? extends TypeElement> annotations, 43 RoundEnvironment roundEnv) { 44 if (!roundEnv.processingOver()) { 45 Trees trees = Trees.instance(processingEnv); 46 47 for(Element rootElement : roundEnv.getRootElements()) { 48 TreePath treePath = trees.getPath(rootElement); 49 50 VariableScanner varScanner = new VariableScanner(trees); 51 varScanner.scan(trees.getTree(rootElement), 52 treePath.getCompilationUnit()); 53 if (varScanner.getTrvElement() == null) { 54 throw new AssertionError("Element is null for 'trv'"); 55 } 56 } 57 } 58 return true; 59 } 60 61 @Override 62 public void close() {} 63 64 private void test1() { 65 // The resource variable "trv"'s Element is checked. 66 // Do not change the name of the variable. 67 try(TestResourceElement trv = this) {} 68 } 69 70 class VariableScanner extends TreeScanner<Void, CompilationUnitTree> { 71 private Trees trees; 72 private Element trvElement; 73 74 public VariableScanner(Trees trees) { 75 super(); 76 this.trees = trees; 77 } 78 @Override 79 public Void visitVariable(VariableTree node, CompilationUnitTree cu) { 80 // if this is "trv", get it's element. 81 if (node.getName().contentEquals("trv")) { 82 trvElement = trees.getElement(trees.getPath(cu, node)); 83 } 84 return super.visitVariable(node, cu); 85 } 86 87 Element getTrvElement() { 88 return trvElement; 89 } 90 } 91 }