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annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/java/model/CodeElementScanner.java @ 16909:62cfffca9be2

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Truffle-DSL: some more performance optimizations.
author Christian Humer <christian.humer@gmail.com>
date Sat, 23 Aug 2014 19:31:18 +0200
parents 23415229349b
children a665483c3881
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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 return visitExecutable(cast(e, CodeExecutableElement.class), p);
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35 }
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36
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37 public R visitExecutable(CodeExecutableElement e, P p) {
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38 R ret = super.visitExecutable(e, p);
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39 if (e.getBodyTree() != null) {
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40 visitTree(e.getBodyTree(), p, e);
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41 }
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42 return ret;
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43 }
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44
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45 @Override
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46 public R visitVariable(VariableElement e, P p) {
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47 if (e instanceof CodeVariableElement) {
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48 CodeTree init = ((CodeVariableElement) e).getInit();
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49 if (init != null) {
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50 visitTree(init, p, e);
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51 }
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52 }
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53 return super.visitVariable(e, p);
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54 }
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55
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56 @Override
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57 public R visitPackage(PackageElement e, P p) {
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58 return super.visitPackage(e, p);
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59 }
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60
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61 @Override
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62 public final R visitType(TypeElement e, P p) {
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63 return visitType(cast(e, CodeTypeElement.class), p);
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64 }
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66 public R visitType(CodeTypeElement e, P p) {
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67 return super.visitType(e, p);
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68 }
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69
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70 @Override
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71 public R visitTypeParameter(TypeParameterElement e, P p) {
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72 return super.visitTypeParameter(e, p);
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73 }
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75 private static <E> E cast(Element element, Class<E> clazz) {
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76 return clazz.cast(element);
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77 }
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78
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79 public void visitTree(CodeTree e, P p, Element parent) {
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80 List<CodeTree> elements = e.getEnclosedElements();
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81 if (elements != null) {
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82 for (CodeTree tree : e.getEnclosedElements()) {
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83 visitTree(tree, p, parent);
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84 }
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85 }
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86 }
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88 @SuppressWarnings("unused")
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89 public void visitImport(CodeImport e, P p) {
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90 }
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92 }