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 6911256 6964740 27 * @summary Test that the resource variable kind is appropriately set 28 * @author Joseph D. Darcy 29 * @build TestResourceVariable 30 * @compile/fail -processor TestResourceVariable -proc:only TestResourceVariable.java 31 */ 32 33 // Bug should be filed for this misbehavior 34 35 import java.io.*; 36 import javax.annotation.processing.*; 37 import javax.lang.model.*; 38 import javax.lang.model.element.*; 39 import javax.lang.model.type.*; 40 import javax.lang.model.util.*; 41 import java.util.*; 42 import com.sun.source.tree.*; 43 import com.sun.source.util.*; 44 import static javax.tools.Diagnostic.Kind.*; 45 46 /** 47 * Using the tree API, retrieve element representations of the 48 * resource of an ARM block and verify their kind tags are set 49 * appropriately. 50 */ 51 @SupportedAnnotationTypes("*") 52 public class TestResourceVariable extends AbstractProcessor implements AutoCloseable { 53 int resourceVariableCount = 0; 54 55 public boolean process(Set<? extends TypeElement> annotations, 56 RoundEnvironment roundEnv) { 57 if (!roundEnv.processingOver()) { 58 Trees trees = Trees.instance(processingEnv); 59 60 for(Element rootElement : roundEnv.getRootElements()) { 61 TreePath treePath = trees.getPath(rootElement); 62 63 (new ResourceVariableScanner(trees)). 64 scan(trees.getTree(rootElement), 65 treePath.getCompilationUnit()); 66 } 67 if (resourceVariableCount != 3) 68 throw new RuntimeException("Bad resource variable count " + 69 resourceVariableCount); 70 } 71 return true; 72 } 73 74 @Override 75 public void close() {} 76 77 private void test1() { 78 try(TestResourceVariable trv = this) {} 79 } 80 81 private void test2() { 82 try(TestResourceVariable trv1 = this; TestResourceVariable trv2 = trv1) {} 83 } 84 85 class ResourceVariableScanner extends TreeScanner<Void, CompilationUnitTree> { 86 private Trees trees; 87 88 public ResourceVariableScanner(Trees trees) { 89 super(); 90 this.trees = trees; 91 } 92 @Override 93 public Void visitVariable(VariableTree node, CompilationUnitTree cu) { 94 Element element = trees.getElement(trees.getPath(cu, node)); 95 if (element == null) { 96 System.out.println("Null variable element: " + node); 97 } else { 98 System.out.println("Name: " + element.getSimpleName() + 99 "\tKind: " + element.getKind()); 100 } 101 if (element != null && 102 element.getKind() == ElementKind.RESOURCE_VARIABLE) { 103 resourceVariableCount++; 104 } 105 return super.visitVariable(node, cu); 106 } 107 } 108 109 @Override 110 public SourceVersion getSupportedSourceVersion() { 111 return SourceVersion.latest(); 112 } 113 }