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annotate truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/java/model/CodeElementScanner.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 9c8c0937da41
children
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1 /*
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2 * Copyright (c) 2012, 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 package com.oracle.truffle.dsl.processor.java.model;
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24
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25 import java.util.List;
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26 import javax.lang.model.element.Element;
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27 import javax.lang.model.element.ExecutableElement;
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28 import javax.lang.model.element.PackageElement;
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29 import javax.lang.model.element.TypeElement;
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30 import javax.lang.model.element.TypeParameterElement;
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31 import javax.lang.model.element.VariableElement;
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32 import javax.lang.model.util.ElementScanner7;
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33
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34 public abstract class CodeElementScanner<R, P> extends ElementScanner7<R, P> {
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35
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36 @Override
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37 public final R visitExecutable(ExecutableElement e, P p) {
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38 if (!(e instanceof CodeExecutableElement)) {
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39 throw new ClassCastException(e.toString());
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40 }
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41 return visitExecutable(cast(e, CodeExecutableElement.class), p);
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42 }
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43
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44 public R visitExecutable(CodeExecutableElement e, P p) {
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45 R ret = super.visitExecutable(e, p);
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46 if (e.getBodyTree() != null) {
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47 visitTree(e.getBodyTree(), p, e);
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48 }
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49 return ret;
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50 }
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51
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52 @Override
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53 public R visitVariable(VariableElement e, P p) {
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54 if (e instanceof CodeVariableElement) {
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55 CodeTree init = ((CodeVariableElement) e).getInit();
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56 if (init != null) {
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57 visitTree(init, p, e);
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58 }
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59 }
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60 return super.visitVariable(e, p);
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61 }
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62
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63 @Override
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64 public R visitPackage(PackageElement e, P p) {
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65 return super.visitPackage(e, p);
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66 }
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68 @Override
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69 public final R visitType(TypeElement e, P p) {
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70 return visitType(cast(e, CodeTypeElement.class), p);
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71 }
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73 public R visitType(CodeTypeElement e, P p) {
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74 return super.visitType(e, p);
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75 }
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77 @Override
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78 public R visitTypeParameter(TypeParameterElement e, P p) {
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79 return super.visitTypeParameter(e, p);
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80 }
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82 private static <E> E cast(Element element, Class<E> clazz) {
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83 return clazz.cast(element);
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84 }
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85
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86 public void visitTree(CodeTree e, P p, Element parent) {
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87 List<CodeTree> elements = e.getEnclosedElements();
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88 if (elements != null) {
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89 for (CodeTree tree : e.getEnclosedElements()) {
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90 visitTree(tree, p, parent);
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91 }
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92 }
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93 }
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95 @SuppressWarnings("unused")
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96 public void visitImport(CodeImport e, P p) {
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97 }
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99 }