Fri, 06 Sep 2013 09:53:24 +0100
8024039: javac, previous solution for JDK-8022186 was incorrect
Reviewed-by: jjg
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | package com.sun.tools.javac.jvm; |
aoqi@0 | 26 | |
aoqi@0 | 27 | import com.sun.tools.javac.util.Context; |
aoqi@0 | 28 | import com.sun.tools.javac.util.Options; |
aoqi@0 | 29 | import java.util.EnumSet; |
aoqi@0 | 30 | import java.util.Set; |
aoqi@0 | 31 | |
aoqi@0 | 32 | import static com.sun.tools.javac.main.Option.PROFILE; |
aoqi@0 | 33 | |
aoqi@0 | 34 | /** The target profile. |
aoqi@0 | 35 | * |
aoqi@0 | 36 | * <p><b>This is NOT part of any supported API. |
aoqi@0 | 37 | * If you write code that depends on this, you do so at your own risk. |
aoqi@0 | 38 | * This code and its internal interfaces are subject to change or |
aoqi@0 | 39 | * deletion without notice.</b> |
aoqi@0 | 40 | */ |
aoqi@0 | 41 | public enum Profile { |
aoqi@0 | 42 | COMPACT1("compact1", 1, Target.JDK1_8), |
aoqi@0 | 43 | COMPACT2("compact2", 2, Target.JDK1_8), |
aoqi@0 | 44 | COMPACT3("compact3", 3, Target.JDK1_8), |
aoqi@0 | 45 | |
aoqi@0 | 46 | DEFAULT { |
aoqi@0 | 47 | @Override |
aoqi@0 | 48 | public boolean isValid(Target t) { |
aoqi@0 | 49 | return true; |
aoqi@0 | 50 | } |
aoqi@0 | 51 | }; |
aoqi@0 | 52 | |
aoqi@0 | 53 | private static final Context.Key<Profile> profileKey = |
aoqi@0 | 54 | new Context.Key<Profile>(); |
aoqi@0 | 55 | |
aoqi@0 | 56 | public static Profile instance(Context context) { |
aoqi@0 | 57 | Profile instance = context.get(profileKey); |
aoqi@0 | 58 | if (instance == null) { |
aoqi@0 | 59 | Options options = Options.instance(context); |
aoqi@0 | 60 | String profileString = options.get(PROFILE); |
aoqi@0 | 61 | if (profileString != null) instance = lookup(profileString); |
aoqi@0 | 62 | if (instance == null) instance = DEFAULT; |
aoqi@0 | 63 | context.put(profileKey, instance); |
aoqi@0 | 64 | } |
aoqi@0 | 65 | return instance; |
aoqi@0 | 66 | } |
aoqi@0 | 67 | |
aoqi@0 | 68 | public final String name; |
aoqi@0 | 69 | public final int value; |
aoqi@0 | 70 | final Set<Target> targets; |
aoqi@0 | 71 | |
aoqi@0 | 72 | Profile() { |
aoqi@0 | 73 | name = null; |
aoqi@0 | 74 | value = Integer.MAX_VALUE; |
aoqi@0 | 75 | targets = null; |
aoqi@0 | 76 | } |
aoqi@0 | 77 | |
aoqi@0 | 78 | Profile(String name, int value, Target t, Target... targets) { |
aoqi@0 | 79 | this.name = name; |
aoqi@0 | 80 | this.value = value; |
aoqi@0 | 81 | this.targets = EnumSet.of(t, targets); |
aoqi@0 | 82 | } |
aoqi@0 | 83 | |
aoqi@0 | 84 | public static Profile lookup(String name) { |
aoqi@0 | 85 | // the set of values is small enough to do linear search |
aoqi@0 | 86 | for (Profile p: values()) { |
aoqi@0 | 87 | if (name.equals(p.name)) |
aoqi@0 | 88 | return p; |
aoqi@0 | 89 | } |
aoqi@0 | 90 | return null; |
aoqi@0 | 91 | } |
aoqi@0 | 92 | |
aoqi@0 | 93 | public static Profile lookup(int value) { |
aoqi@0 | 94 | // the set of values is small enough to do linear search |
aoqi@0 | 95 | for (Profile p: values()) { |
aoqi@0 | 96 | if (value == p.value) |
aoqi@0 | 97 | return p; |
aoqi@0 | 98 | } |
aoqi@0 | 99 | return null; |
aoqi@0 | 100 | } |
aoqi@0 | 101 | |
aoqi@0 | 102 | public boolean isValid(Target t) { |
aoqi@0 | 103 | return targets.contains(t); |
aoqi@0 | 104 | } |
aoqi@0 | 105 | } |