Mercurial > hg > graal-jvmci-8
diff graal/com.oracle.jvmci.options/src/com/oracle/jvmci/options/OptionsLoader.java @ 21562:47bebae7454f
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 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.jvmci.options/src/com/oracle/jvmci/options/OptionsLoader.java Thu May 28 21:58:33 2015 +0200 @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.oracle.jvmci.options; + +import java.util.*; + +import com.oracle.jvmci.runtime.*; + +/** + * Helper class used to load option descriptors. Only to be used in the slow-path. + */ +public class OptionsLoader { + public static final SortedMap<String, OptionDescriptor> options = new TreeMap<>(); + + /** + * Initializes {@link #options} from {@link Options} services. + */ + static { + for (Options opts : Services.load(Options.class)) { + for (OptionDescriptor desc : opts) { + String name = desc.getName(); + OptionDescriptor existing = options.put(name, desc); + assert existing == null : "Option named \"" + name + "\" has multiple definitions: " + existing.getLocation() + " and " + desc.getLocation(); + } + } + } +}