1 /* 2 * Copyright (c) 2002, 2019, 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, 44 Target.JDK1_11, Target.JDK1_12, Target.JDK1_13, Target.JDK1_14, Target.JDK1_15), 45 COMPACT2("compact2", 2, Target.JDK1_8, Target.JDK1_9, Target.JDK1_10, 46 Target.JDK1_11, Target.JDK1_12, Target.JDK1_13, Target.JDK1_14, Target.JDK1_15), 47 COMPACT3("compact3", 3, Target.JDK1_8, Target.JDK1_9, Target.JDK1_10, 48 Target.JDK1_11, Target.JDK1_12, Target.JDK1_13, Target.JDK1_14, Target.JDK1_15), 49 50 DEFAULT { 51 @Override 52 public boolean isValid(Target t) { 53 return true; 54 } 55 }; 56 57 private static final Context.Key<Profile> profileKey = new Context.Key<>(); 58 59 public static Profile instance(Context context) { 60 Profile instance = context.get(profileKey); 61 if (instance == null) { 62 Options options = Options.instance(context); 63 String profileString = options.get(PROFILE); 64 if (profileString != null) instance = lookup(profileString); 65 if (instance == null) instance = DEFAULT; 66 context.put(profileKey, instance); 67 } 68 return instance; 69 } 70 71 public final String name; 72 public final int value; 73 final Set<Target> targets; 74 75 Profile() { 76 name = null; 77 value = Integer.MAX_VALUE; 78 targets = null; 79 } 80 81 Profile(String name, int value, Target t, Target... targets) { 82 this.name = name; 83 this.value = value; 84 this.targets = EnumSet.of(t, targets); 85 } 86 87 public static Profile lookup(String name) { 88 // the set of values is small enough to do linear search 89 for (Profile p: values()) { 90 if (name.equals(p.name)) 91 return p; 92 } 93 return null; 94 } 95 96 public static Profile lookup(int value) { 97 // the set of values is small enough to do linear search 98 for (Profile p: values()) { 99 if (value == p.value) 100 return p; 101 } 102 return null; 103 } 104 105 public boolean isValid(Target t) { 106 return targets.contains(t); 107 } 108 }