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 | } |