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1 /* |
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2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 6911256 6964740 |
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27 * @summary Test that the resource variable kind is appropriately set |
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28 * @author Joseph D. Darcy |
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29 * @build TestResourceVariable |
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30 * @compile/fail -processor TestResourceVariable -proc:only TestResourceVariable.java |
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31 */ |
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32 |
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33 // Bug should be filed for this misbehavior |
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34 |
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35 import java.io.*; |
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36 import javax.annotation.processing.*; |
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37 import javax.lang.model.*; |
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38 import javax.lang.model.element.*; |
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39 import javax.lang.model.type.*; |
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40 import javax.lang.model.util.*; |
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41 import java.util.*; |
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42 import com.sun.source.tree.*; |
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43 import com.sun.source.util.*; |
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44 import static javax.tools.Diagnostic.Kind.*; |
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45 |
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46 /** |
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47 * Using the tree API, retrieve element representations of the |
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48 * resource of an ARM block and verify their kind tags are set |
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49 * appropriately. |
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50 */ |
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51 @SupportedAnnotationTypes("*") |
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52 public class TestResourceVariable extends AbstractProcessor implements AutoCloseable { |
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53 int resourceVariableCount = 0; |
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54 |
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55 public boolean process(Set<? extends TypeElement> annotations, |
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56 RoundEnvironment roundEnv) { |
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57 if (!roundEnv.processingOver()) { |
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58 Trees trees = Trees.instance(processingEnv); |
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59 |
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60 for(Element rootElement : roundEnv.getRootElements()) { |
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61 TreePath treePath = trees.getPath(rootElement); |
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62 |
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63 (new ResourceVariableScanner(trees)). |
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64 scan(trees.getTree(rootElement), |
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65 treePath.getCompilationUnit()); |
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66 } |
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67 if (resourceVariableCount != 3) |
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68 throw new RuntimeException("Bad resource variable count " + |
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69 resourceVariableCount); |
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70 } |
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71 return true; |
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72 } |
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73 |
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74 @Override |
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75 public void close() {} |
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76 |
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77 private void test1() { |
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78 try(TestResourceVariable trv = this) {} |
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79 } |
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80 |
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81 private void test2() { |
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82 try(TestResourceVariable trv1 = this; TestResourceVariable trv2 = trv1) {} |
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83 } |
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84 |
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85 class ResourceVariableScanner extends TreeScanner<Void, CompilationUnitTree> { |
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86 private Trees trees; |
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87 |
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88 public ResourceVariableScanner(Trees trees) { |
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89 super(); |
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90 this.trees = trees; |
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91 } |
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92 @Override |
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93 public Void visitVariable(VariableTree node, CompilationUnitTree cu) { |
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94 Element element = trees.getElement(trees.getPath(cu, node)); |
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95 if (element == null) { |
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96 System.out.println("Null variable element: " + node); |
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97 } else { |
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98 System.out.println("Name: " + element.getSimpleName() + |
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99 "\tKind: " + element.getKind()); |
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100 } |
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101 if (element != null && |
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102 element.getKind() == ElementKind.RESOURCE_VARIABLE) { |
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103 resourceVariableCount++; |
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104 } |
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105 return super.visitVariable(node, cu); |
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106 } |
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107 } |
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108 |
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109 @Override |
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110 public SourceVersion getSupportedSourceVersion() { |
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111 return SourceVersion.latest(); |
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112 } |
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113 } |