aoqi@0: /*
aoqi@0:  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: package com.sun.tools.javac.jvm;
aoqi@0: 
aoqi@0: import com.sun.tools.javac.util.Context;
aoqi@0: import com.sun.tools.javac.util.Options;
aoqi@0: import java.util.EnumSet;
aoqi@0: import java.util.Set;
aoqi@0: 
aoqi@0: import static com.sun.tools.javac.main.Option.PROFILE;
aoqi@0: 
aoqi@0: /** The target profile.
aoqi@0:  *
aoqi@0:  *  <p><b>This is NOT part of any supported API.
aoqi@0:  *  If you write code that depends on this, you do so at your own risk.
aoqi@0:  *  This code and its internal interfaces are subject to change or
aoqi@0:  *  deletion without notice.</b>
aoqi@0:  */
aoqi@0: public enum Profile {
aoqi@0:     COMPACT1("compact1", 1, Target.JDK1_8),
aoqi@0:     COMPACT2("compact2", 2, Target.JDK1_8),
aoqi@0:     COMPACT3("compact3", 3, Target.JDK1_8),
aoqi@0: 
aoqi@0:     DEFAULT {
aoqi@0:         @Override
aoqi@0:         public boolean isValid(Target t) {
aoqi@0:             return true;
aoqi@0:         }
aoqi@0:     };
aoqi@0: 
aoqi@0:     private static final Context.Key<Profile> profileKey =
aoqi@0:         new Context.Key<Profile>();
aoqi@0: 
aoqi@0:     public static Profile instance(Context context) {
aoqi@0:         Profile instance = context.get(profileKey);
aoqi@0:         if (instance == null) {
aoqi@0:             Options options = Options.instance(context);
aoqi@0:             String profileString = options.get(PROFILE);
aoqi@0:             if (profileString != null) instance = lookup(profileString);
aoqi@0:             if (instance == null) instance = DEFAULT;
aoqi@0:             context.put(profileKey, instance);
aoqi@0:         }
aoqi@0:         return instance;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public final String name;
aoqi@0:     public final int value;
aoqi@0:     final Set<Target> targets;
aoqi@0: 
aoqi@0:     Profile() {
aoqi@0:         name = null;
aoqi@0:         value = Integer.MAX_VALUE;
aoqi@0:         targets = null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     Profile(String name, int value, Target t, Target... targets) {
aoqi@0:         this.name = name;
aoqi@0:         this.value = value;
aoqi@0:         this.targets = EnumSet.of(t, targets);
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static Profile lookup(String name) {
aoqi@0:         // the set of values is small enough to do linear search
aoqi@0:         for (Profile p: values()) {
aoqi@0:             if (name.equals(p.name))
aoqi@0:                 return p;
aoqi@0:         }
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static Profile lookup(int value) {
aoqi@0:         // the set of values is small enough to do linear search
aoqi@0:         for (Profile p: values()) {
aoqi@0:             if (value == p.value)
aoqi@0:                 return p;
aoqi@0:         }
aoqi@0:         return null;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public boolean isValid(Target t) {
aoqi@0:         return targets.contains(t);
aoqi@0:     }
aoqi@0: }