Mercurial > hg > graal-jvmci-8
annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/java/model/CodeElementScanner.java @ 18761:a665483c3881
Truffle-DSL: new node layout implementation.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 29 Dec 2014 23:38:54 +0100 |
parents | 62cfffca9be2 |
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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.*; |
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26 |
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27 import javax.lang.model.element.*; |
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28 import javax.lang.model.util.*; |
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29 |
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30 public abstract class CodeElementScanner<R, P> extends ElementScanner7<R, P> { |
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31 |
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32 @Override |
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33 public final R visitExecutable(ExecutableElement e, P p) { |
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34 if (!(e instanceof CodeExecutableElement)) { |
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35 throw new ClassCastException(e.toString()); |
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36 } |
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37 return visitExecutable(cast(e, CodeExecutableElement.class), p); |
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38 } |
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39 |
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40 public R visitExecutable(CodeExecutableElement e, P p) { |
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41 R ret = super.visitExecutable(e, p); |
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42 if (e.getBodyTree() != null) { |
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43 visitTree(e.getBodyTree(), p, e); |
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44 } |
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45 return ret; |
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46 } |
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47 |
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48 @Override |
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49 public R visitVariable(VariableElement e, P p) { |
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50 if (e instanceof CodeVariableElement) { |
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51 CodeTree init = ((CodeVariableElement) e).getInit(); |
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52 if (init != null) { |
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53 visitTree(init, p, e); |
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54 } |
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55 } |
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56 return super.visitVariable(e, p); |
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57 } |
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58 |
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59 @Override |
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60 public R visitPackage(PackageElement e, P p) { |
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61 return super.visitPackage(e, p); |
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62 } |
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63 |
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64 @Override |
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65 public final R visitType(TypeElement e, P p) { |
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66 return visitType(cast(e, CodeTypeElement.class), p); |
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67 } |
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68 |
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69 public R visitType(CodeTypeElement e, P p) { |
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70 return super.visitType(e, p); |
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71 } |
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72 |
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73 @Override |
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74 public R visitTypeParameter(TypeParameterElement e, P p) { |
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75 return super.visitTypeParameter(e, p); |
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76 } |
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77 |
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78 private static <E> E cast(Element element, Class<E> clazz) { |
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79 return clazz.cast(element); |
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80 } |
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81 |
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82 public void visitTree(CodeTree e, P p, Element parent) { |
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83 List<CodeTree> elements = e.getEnclosedElements(); |
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84 if (elements != null) { |
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85 for (CodeTree tree : e.getEnclosedElements()) { |
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86 visitTree(tree, p, parent); |
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87 } |
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88 } |
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89 } |
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90 |
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91 @SuppressWarnings("unused") |
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92 public void visitImport(CodeImport e, P p) { |
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93 } |
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94 |
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95 } |