Mercurial > hg > truffle
annotate graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/compiler/JDTCompiler.java @ 10597:79041ab43660
Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
author | Christian Humer <christian.humer@gmail.com> |
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date | Mon, 01 Jul 2013 20:58:32 +0200 |
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children | ae6b8ec920e2 |
rev | line source |
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10597
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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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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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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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7 * published by the Free Software Foundation. |
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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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8 * |
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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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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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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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13 * accompanied this code). |
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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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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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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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22 */ |
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23 package com.oracle.truffle.dsl.processor.compiler; |
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24 |
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25 import javax.annotation.processing.*; |
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26 import javax.lang.model.element.*; |
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27 |
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28 import com.oracle.truffle.dsl.processor.*; |
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29 |
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30 public class JDTCompiler extends AbstractCompiler { |
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31 |
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32 public static boolean isValidElement(Element currentElement) { |
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33 try { |
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34 Class<?> elementClass = Class.forName("org.eclipse.jdt.internal.compiler.apt.model.ElementImpl"); |
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35 return elementClass.isAssignableFrom(currentElement.getClass()); |
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36 } catch (ClassNotFoundException e) { |
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37 return false; |
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38 } |
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39 } |
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40 |
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41 @Override |
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42 public String getMethodBody(ProcessingEnvironment env, ExecutableElement method) { |
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43 try { |
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44 |
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45 char[] source = getSource(method); |
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46 if (source == null) { |
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47 return null; |
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48 } |
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49 |
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50 /* |
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51 * AbstractMethodDeclaration decl = |
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52 * ((MethodBinding)(((ElementImpl)method)._binding)).sourceMethod(); int bodyStart = |
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53 * decl.bodyStart; int bodyEnd = decl.bodyEnd; |
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54 */ |
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55 Object decl = method(field(method, "_binding"), "sourceMethod"); |
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56 int bodyStart = (int) field(decl, "bodyStart"); |
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57 int bodyEnd = (int) field(decl, "bodyEnd"); |
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58 |
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59 int length = bodyEnd - bodyStart; |
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60 char[] target = new char[length]; |
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61 System.arraycopy(source, bodyStart, target, 0, length); |
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62 |
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63 return new String(target); |
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64 } catch (Exception e) { |
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65 return Utils.printException(e); |
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66 } |
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67 } |
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68 |
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69 private static char[] getSource(Element element) throws Exception { |
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70 /* |
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71 * Binding binding = ((ElementImpl)element)._binding; char[] source = null; if (binding |
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72 * instanceof MethodBinding) { source = ((MethodBinding) |
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73 * binding).sourceMethod().compilationResult.getCompilationUnit().getContents(); } else if |
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74 * (binding instanceof SourceTypeBinding) { source = |
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75 * ((SourceTypeBinding)binding).scope.referenceContext |
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76 * .compilationResult.compilationUnit.getContents(); } return source; |
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77 */ |
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78 |
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79 Object binding = field(element, "_binding"); |
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80 Class<?> methodBindingClass = Class.forName("org.eclipse.jdt.internal.compiler.lookup.MethodBinding"); |
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81 Class<?> referenceBindingClass = Class.forName("org.eclipse.jdt.internal.compiler.lookup.SourceTypeBinding"); |
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82 |
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83 char[] source = null; |
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84 if (methodBindingClass.isAssignableFrom(binding.getClass())) { |
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85 Object sourceMethod = method(binding, "sourceMethod"); |
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86 if (sourceMethod == null) { |
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87 return null; |
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88 } |
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89 source = (char[]) method(method(field(sourceMethod, "compilationResult"), "getCompilationUnit"), "getContents"); |
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90 } else if (referenceBindingClass.isAssignableFrom(binding.getClass())) { |
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91 source = (char[]) method(field(field(field(field(binding, "scope"), "referenceContext"), "compilationResult"), "compilationUnit"), "getContents"); |
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92 } |
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93 return source; |
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94 } |
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95 |
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96 @Override |
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97 public String getHeaderComment(ProcessingEnvironment env, Element type) { |
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98 try { |
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99 char[] source = getSource(type); |
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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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100 if (source == null) { |
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101 return null; |
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102 } |
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103 return parseHeader(new String(source)); |
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Truffle-DSL: API-change: Renamed truffle.api.codegen to truffle.api.dsl for all projects and packages.
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104 } catch (Exception e) { |
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105 return Utils.printException(e); |
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106 } |
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107 } |
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108 |
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109 } |