| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.devtools.build.lib.packages; |
| |
| /** |
| * Enum used to represent tri-state parameters in rule attributes (yes/no/auto). |
| */ |
| public enum TriState { |
| YES, |
| NO, |
| AUTO; |
| |
| public int toInt() { |
| switch (this) { |
| case YES: |
| return 1; |
| case NO: |
| return 0; |
| case AUTO: |
| return -1; |
| default: |
| throw new IllegalStateException(); |
| } |
| } |
| } |