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comparison graal/com.oracle.jvmci.options/src/com/oracle/jvmci/options/OptionsLoader.java @ 21562:47bebae7454f

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Merge.
author Doug Simon <doug.simon@oracle.com>
date Thu, 28 May 2015 21:58:33 +0200
parents graal/com.oracle.graal.options/src/com/oracle/graal/options/OptionsLoader.java@cecb4e39521c
children 93f282187d90
comparison
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21561:ce2113326bc8 21562:47bebae7454f
1 /*
2 * Copyright (c) 2014, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.jvmci.options;
24
25 import java.util.*;
26
27 import com.oracle.jvmci.runtime.*;
28
29 /**
30 * Helper class used to load option descriptors. Only to be used in the slow-path.
31 */
32 public class OptionsLoader {
33 public static final SortedMap<String, OptionDescriptor> options = new TreeMap<>();
34
35 /**
36 * Initializes {@link #options} from {@link Options} services.
37 */
38 static {
39 for (Options opts : Services.load(Options.class)) {
40 for (OptionDescriptor desc : opts) {
41 String name = desc.getName();
42 OptionDescriptor existing = options.put(name, desc);
43 assert existing == null : "Option named \"" + name + "\" has multiple definitions: " + existing.getLocation() + " and " + desc.getLocation();
44 }
45 }
46 }
47 }