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1 /* |
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2 * Copyright (c) 2002, 2013, 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.sun.tools.javac.jvm; |
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26 |
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27 import com.sun.tools.javac.util.Context; |
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28 import com.sun.tools.javac.util.Options; |
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29 import java.util.EnumSet; |
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30 import java.util.Set; |
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31 |
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32 import static com.sun.tools.javac.main.Option.PROFILE; |
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33 |
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34 /** The target profile. |
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35 * |
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36 * <p><b>This is NOT part of any supported API. |
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37 * If you write code that depends on this, you do so at your own risk. |
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38 * This code and its internal interfaces are subject to change or |
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39 * deletion without notice.</b> |
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40 */ |
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41 public enum Profile { |
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42 COMPACT1("compact1", 1, Target.JDK1_8), |
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43 COMPACT2("compact2", 2, Target.JDK1_8), |
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44 COMPACT3("compact3", 3, Target.JDK1_8), |
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45 |
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46 DEFAULT { |
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47 @Override |
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48 public boolean isValid(Target t) { |
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49 return true; |
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50 } |
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51 }; |
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52 |
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53 private static final Context.Key<Profile> profileKey = |
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54 new Context.Key<Profile>(); |
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55 |
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56 public static Profile instance(Context context) { |
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57 Profile instance = context.get(profileKey); |
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58 if (instance == null) { |
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59 Options options = Options.instance(context); |
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60 String profileString = options.get(PROFILE); |
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61 if (profileString != null) instance = lookup(profileString); |
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62 if (instance == null) instance = DEFAULT; |
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63 context.put(profileKey, instance); |
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64 } |
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65 return instance; |
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66 } |
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67 |
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68 public final String name; |
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69 public final int value; |
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70 final Set<Target> targets; |
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71 |
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72 Profile() { |
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73 name = null; |
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74 value = Integer.MAX_VALUE; |
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75 targets = null; |
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76 } |
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77 |
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78 Profile(String name, int value, Target t, Target... targets) { |
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79 this.name = name; |
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80 this.value = value; |
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81 this.targets = EnumSet.of(t, targets); |
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82 } |
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83 |
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84 public static Profile lookup(String name) { |
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85 // the set of values is small enough to do linear search |
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86 for (Profile p: values()) { |
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87 if (name.equals(p.name)) |
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88 return p; |
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89 } |
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90 return null; |
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91 } |
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92 |
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93 public static Profile lookup(int value) { |
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94 // the set of values is small enough to do linear search |
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95 for (Profile p: values()) { |
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96 if (value == p.value) |
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97 return p; |
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98 } |
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99 return null; |
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100 } |
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101 |
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102 public boolean isValid(Target t) { |
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103 return targets.contains(t); |
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104 } |
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105 } |