jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/util/Options.java@9a66ca7c79fa

     1 /*

     2  * Copyright 2001-2006 Sun Microsystems, Inc.  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.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    26 package com.sun.tools.javac.util;

    28 import com.sun.tools.javac.main.OptionName;

    29 import java.util.*;

    31 /** A table of all command-line options.

    32  *  If an option has an argument, the option name is mapped to the argument.

    33  *  If a set option has no argument, it is mapped to itself.

    34  *

    35  *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If

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

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

    38  *  deletion without notice.</b>

    39  */

    40 public class Options {

    41     private static final long serialVersionUID = 0;

    43     /** The context key for the options. */

    44     public static final Context.Key<Options> optionsKey =

    45         new Context.Key<Options>();

    47     private LinkedHashMap<String,String> values;

    49     /** Get the Options instance for this context. */

    50     public static Options instance(Context context) {

    51         Options instance = context.get(optionsKey);

    52         if (instance == null)

    53             instance = new Options(context);

    54         return instance;

    55     }

    57     protected Options(Context context) {

    58 // DEBUGGING -- Use LinkedHashMap for reproducability

    59         values = new LinkedHashMap<String,String>();

    60         context.put(optionsKey, this);

    61     }

    63     public String get(String name) {

    64         return values.get(name);

    65     }

    67     public String get(OptionName name) {

    68         return values.get(name.optionName);

    69     }

    71     public void put(String name, String value) {

    72         values.put(name, value);

    73     }

    75     public void put(OptionName name, String value) {

    76         values.put(name.optionName, value);

    77     }

    79     public void putAll(Options options) {

    80         values.putAll(options.values);

    81     }

    83     public void remove(String name) {

    84         values.remove(name);

    85     }

    87     public Set<String> keySet() {

    88         return values.keySet();

    89     }

    91     public int size() {

    92         return values.size();

    93     }

    95     static final String LINT = "-Xlint";

    97     /** Check for a lint suboption. */

    98     public boolean lint(String s) {

    99         // return true if either the specific option is enabled, or

   100         // they are all enabled without the specific one being

   101         // disabled

   102         return

   103             get(LINT + ":" + s)!=null ||

   104             (get(LINT)!=null || get(LINT + ":all")!=null) &&

   105                 get(LINT+":-"+s)==null;

   106     }

   107 }

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