1 /* 2 * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.tools.javac.jvm; 27 28 import com.sun.tools.javac.util.Context; 29 import com.sun.tools.javac.util.Options; 30 import java.util.EnumSet; 31 import java.util.Set; 32 33 import static com.sun.tools.javac.main.Option.PROFILE; 34 35 /** The target profile. 36 * 37 * <p><b>This is NOT part of any supported API. 38 * If you write code that depends on this, you do so at your own risk. 39 * This code and its internal interfaces are subject to change or 40 * deletion without notice.</b> 41 */ 42 public enum Profile { 43 COMPACT1("compact1", 1, Target.JDK1_8, Target.JDK1_9, Target.JDK1_10, Target.JDK1_11, Target.JDK1_12, Target.JDK1_13), 44 COMPACT2("compact2", 2, Target.JDK1_8, Target.JDK1_9, Target.JDK1_10, Target.JDK1_11, Target.JDK1_12, Target.JDK1_13), 45 COMPACT3("compact3", 3, Target.JDK1_8, Target.JDK1_9, Target.JDK1_10, Target.JDK1_11, Target.JDK1_12, Target.JDK1_13), 46 47 DEFAULT { 48 @Override isValid(Target t)49 public boolean isValid(Target t) { 50 return true; 51 } 52 }; 53 54 private static final Context.Key<Profile> profileKey = new Context.Key<>(); 55 instance(Context context)56 public static Profile instance(Context context) { 57 Profile instance = context.get(profileKey); 58 if (instance == null) { 59 Options options = Options.instance(context); 60 String profileString = options.get(PROFILE); 61 if (profileString != null) instance = lookup(profileString); 62 if (instance == null) instance = DEFAULT; 63 context.put(profileKey, instance); 64 } 65 return instance; 66 } 67 68 public final String name; 69 public final int value; 70 final Set<Target> targets; 71 Profile()72 Profile() { 73 name = null; 74 value = Integer.MAX_VALUE; 75 targets = null; 76 } 77 Profile(String name, int value, Target t, Target... targets)78 Profile(String name, int value, Target t, Target... targets) { 79 this.name = name; 80 this.value = value; 81 this.targets = EnumSet.of(t, targets); 82 } 83 lookup(String name)84 public static Profile lookup(String name) { 85 // the set of values is small enough to do linear search 86 for (Profile p: values()) { 87 if (name.equals(p.name)) 88 return p; 89 } 90 return null; 91 } 92 lookup(int value)93 public static Profile lookup(int value) { 94 // the set of values is small enough to do linear search 95 for (Profile p: values()) { 96 if (value == p.value) 97 return p; 98 } 99 return null; 100 } 101 isValid(Target t)102 public boolean isValid(Target t) { 103 return targets.contains(t); 104 } 105 } 106