| 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 | */ |
| 25 | |
| 26 | package com.sun.tools.javac.util; |
| 27 | |
| 28 | import com.sun.tools.javac.main.OptionName; |
| 29 | import java.util.*; |
| 30 | |
| 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; |
| 42 | |
| 43 | /** The context key for the options. */ |
| 44 | public static final Context.Key<Options> optionsKey = |
| 45 | new Context.Key<Options>(); |
| 46 | |
| 47 | private LinkedHashMap<String,String> values; |
| 48 | |
| 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 | } |
| 56 | |
| 57 | protected Options(Context context) { |
| 58 | // DEBUGGING -- Use LinkedHashMap for reproducability |
| 59 | values = new LinkedHashMap<String,String>(); |
| 60 | context.put(optionsKey, this); |
| 61 | } |
| 62 | |
| 63 | public String get(String name) { |
| 64 | return values.get(name); |
| 65 | } |
| 66 | |
| 67 | public String get(OptionName name) { |
| 68 | return values.get(name.optionName); |
| 69 | } |
| 70 | |
| 71 | public void put(String name, String value) { |
| 72 | values.put(name, value); |
| 73 | } |
| 74 | |
| 75 | public void put(OptionName name, String value) { |
| 76 | values.put(name.optionName, value); |
| 77 | } |
| 78 | |
| 79 | public void putAll(Options options) { |
| 80 | values.putAll(options.values); |
| 81 | } |
| 82 | |
| 83 | public void remove(String name) { |
| 84 | values.remove(name); |
| 85 | } |
| 86 | |
| 87 | public Set<String> keySet() { |
| 88 | return values.keySet(); |
| 89 | } |
| 90 | |
| 91 | public int size() { |
| 92 | return values.size(); |
| 93 | } |
| 94 | |
| 95 | static final String LINT = "-Xlint"; |
| 96 | |
| 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 | } |