jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/jvm/Profile.java@af8417e590f4

     1 /*

     2  * Copyright (c) 2002, 2013, 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 package com.sun.tools.javac.jvm;

    27 import com.sun.tools.javac.util.Context;

    28 import com.sun.tools.javac.util.Options;

    29 import java.util.EnumSet;

    30 import java.util.Set;

    32 import static com.sun.tools.javac.main.Option.PROFILE;

    34 /** The target profile.

    35  *

    36  *  <p><b>This is NOT part of any supported API.

    37  *  If you write code that depends on this, you do so at your own risk.

    38  *  This code and its internal interfaces are subject to change or

    39  *  deletion without notice.</b>

    40  */

    41 public enum Profile {

    42     COMPACT1("compact1", 1, Target.JDK1_8),

    43     COMPACT2("compact2", 2, Target.JDK1_8),

    44     COMPACT3("compact3", 3, Target.JDK1_8),

    46     DEFAULT {

    47         @Override

    48         public boolean isValid(Target t) {

    49             return true;

    50         }

    51     };

    53     private static final Context.Key<Profile> profileKey =

    54         new Context.Key<Profile>();

    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     }

    68     public final String name;

    69     public final int value;

    70     final Set<Target> targets;

    72     Profile() {

    73         name = null;

    74         value = Integer.MAX_VALUE;

    75         targets = null;

    76     }

    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     }

    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     }

    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     }

   102     public boolean isValid(Target t) {

   103         return targets.contains(t);

   104     }

   105 }

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