Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/Accessor.java @ 21554:b1530a6cce8c
renamed com.oracle.graal.[debug|options|hotspotvmconfig]* modules to com.oracle.jvmci.[debug|options|hotspotvmconfig]* modules (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 26 May 2015 23:21:15 +0200 |
parents | bb51b9a142b3 |
children | 31fc2fce38f3 |
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1 /* |
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2 * Copyright (c) 2014, 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. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package com.oracle.truffle.api.impl; |
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26 |
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27 import java.io.*; |
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28 import java.lang.reflect.*; |
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29 import java.util.*; |
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30 |
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31 import com.oracle.truffle.api.*; |
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32 import com.oracle.truffle.api.source.*; |
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33 import com.oracle.truffle.api.vm.*; |
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34 |
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35 /** |
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36 * Communication between TruffleVM and TruffleLanguage API/SPI. |
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37 */ |
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38 public abstract class Accessor { |
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39 private static Accessor API; |
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40 private static Accessor SPI; |
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41 static { |
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42 TruffleLanguage lng = new TruffleLanguage(null) { |
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43 @Override |
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44 protected Object eval(Source code) throws IOException { |
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45 return null; |
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46 } |
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47 |
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48 @Override |
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49 protected Object findExportedSymbol(String globalName) { |
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50 return null; |
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51 } |
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52 |
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53 @Override |
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54 protected Object getLanguageGlobal() { |
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55 return null; |
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56 } |
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57 |
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58 @Override |
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59 protected boolean isObjectOfLanguage(Object object) { |
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60 return false; |
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61 } |
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62 }; |
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63 lng.hashCode(); |
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64 } |
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65 |
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66 protected Accessor() { |
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67 if (this.getClass().getSimpleName().endsWith("API")) { |
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68 if (API != null) { |
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69 throw new IllegalStateException(); |
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70 } |
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71 API = this; |
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72 } else { |
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73 if (SPI != null) { |
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74 throw new IllegalStateException(); |
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75 } |
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76 SPI = this; |
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77 } |
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78 } |
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79 |
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80 protected TruffleLanguage attachEnv(TruffleVM vm, Constructor<?> langClazz) { |
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81 return API.attachEnv(vm, langClazz); |
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82 } |
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83 |
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84 protected Object eval(TruffleLanguage l, Source s) throws IOException { |
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85 return API.eval(l, s); |
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86 } |
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87 |
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88 protected Object importSymbol(TruffleVM vm, TruffleLanguage queryingLang, String globalName) { |
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89 return SPI.importSymbol(vm, queryingLang, globalName); |
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90 } |
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91 |
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92 protected Object findExportedSymbol(TruffleLanguage l, String globalName) { |
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93 return API.findExportedSymbol(l, globalName); |
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94 } |
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95 |
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96 protected Object languageGlobal(TruffleLanguage l) { |
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97 return API.languageGlobal(l); |
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98 } |
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99 |
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100 protected Object invoke(Object obj, Object[] args) throws IOException { |
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101 for (SymbolInvoker si : ServiceLoader.load(SymbolInvoker.class)) { |
99942eac9c6d
Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
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102 return si.invoke(obj, args); |
99942eac9c6d
Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
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103 } |
99942eac9c6d
Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
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104 throw new IOException("No symbol invoker found!"); |
99942eac9c6d
Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
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105 } |
99942eac9c6d
Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
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106 |
99942eac9c6d
Introducing TruffleVM - a central place to invoke code in any registered TruffleLanguage.
Jaroslav Tulach <jaroslav.tulach@oracle.com>
parents:
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107 } |