| /* |
| * Copyright (c) 2016, 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 org.graalvm.compiler.options; |
| |
| import java.util.EnumSet; |
| |
| import jdk.internal.vm.compiler.collections.EconomicMap; |
| |
| public class EnumOptionKey<T extends Enum<T>> extends OptionKey<T> { |
| final Class<T> enumClass; |
| |
| @SuppressWarnings("unchecked") |
| public EnumOptionKey(T value) { |
| super(value); |
| if (value == null) { |
| throw new IllegalArgumentException("Value must not be null"); |
| } |
| this.enumClass = (Class<T>) value.getClass(); |
| } |
| |
| /** |
| * @return the set of possible values for this option. |
| */ |
| public EnumSet<T> getAllValues() { |
| return EnumSet.allOf(enumClass); |
| } |
| |
| public Object valueOf(String name) { |
| try { |
| return Enum.valueOf(enumClass, name); |
| } catch (IllegalArgumentException e) { |
| throw new IllegalArgumentException("\"" + name + "\" is not a valid option for " + getName() + ". Valid values are " + getAllValues()); |
| } |
| } |
| |
| @Override |
| protected void onValueUpdate(EconomicMap<OptionKey<?>, Object> values, T oldValue, T newValue) { |
| assert enumClass.isInstance(newValue) : newValue + " is not a valid value for " + getName(); |
| } |
| } |