| /* |
| * Copyright (c) 2015, 2015, 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; |
| |
| /** |
| * A nested Boolean {@link OptionValue} that can be overridden by a {@link #masterOption master |
| * option}. |
| * <p> |
| * <li>If the option is present on the command line the specified value is used. |
| * <li>Otherwise {@link #getValue()} depends on the {@link #masterOption} and evaluates as follows: |
| * <ul> |
| * <li>If {@link #masterOption} is set, this value equals to {@link #initialValue}. |
| * <li>Otherwise, if {@link #masterOption} is {@code false}, this option is {@code false}. |
| */ |
| public class NestedBooleanOptionValue extends OptionValue<Boolean> { |
| private final OptionValue<Boolean> masterOption; |
| private final Boolean initialValue; |
| |
| public NestedBooleanOptionValue(OptionValue<Boolean> masterOption, Boolean initialValue) { |
| super(null); |
| this.masterOption = masterOption; |
| this.initialValue = initialValue; |
| } |
| |
| public OptionValue<Boolean> getMasterOption() { |
| return masterOption; |
| } |
| |
| @Override |
| public Boolean getValue() { |
| Boolean v = super.getValue(); |
| if (v == null) { |
| return initialValue && masterOption.getValue(); |
| } |
| return v; |
| } |
| |
| } |
