| // Copyright 2017 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.actions; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * Thrown by command line classes during expansion. |
| * |
| * <p>This exception should be thrown deterministically, i.e. the command line should fail to expand |
| * in exactly the same way every time at attempt is made. An example would be an illegal format |
| * string, or a failure in Starlark evaluation of a compact command line. |
| */ |
| public final class CommandLineExpansionException extends Exception { |
| public CommandLineExpansionException(String userVisibleErrorMessage) { |
| this(userVisibleErrorMessage, /*cause=*/ null); |
| } |
| |
| /** |
| * Constructs new exception with provided user-facing error message and optional cause. |
| * |
| * @param userVisibleErrorMessage error string that will be displayed to the user. |
| * @param cause optional exception cause used for debugging only -- {@code |
| * userVisibleErrorMessage} should carry all of the information needed for the user. |
| */ |
| public CommandLineExpansionException(String userVisibleErrorMessage, @Nullable Throwable cause) { |
| super(userVisibleErrorMessage, cause); |
| } |
| } |