| // 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; |
| |
| /** |
| * A thin interface exposing only the warning and error reporting functionality |
| * of a rule. |
| * |
| * <p>When a class or a method needs only this functionality but not the whole |
| * {@code RuleConfiguredTarget}, it can use this thin interface instead. |
| * |
| * <p>This interface should only be implemented by {@code RuleConfiguredTarget} |
| * and its subclasses. |
| */ |
| public interface RuleErrorConsumer { |
| /** |
| * Consume a non-attribute-specific warning in a rule. |
| */ |
| void ruleWarning(String message); |
| |
| /** |
| * Consume a non-attribute-specific error in a rule. |
| */ |
| void ruleError(String message); |
| |
| /** |
| * Consume an attribute-specific warning in a rule. |
| */ |
| void attributeWarning(String attrName, String message); |
| |
| /** |
| * Consume an attribute-specific error in a rule. |
| */ |
| void attributeError(String attrName, String message); |
| } |