| // Copyright 2018 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.analysis.test; |
| |
| import com.google.devtools.build.lib.collect.nestedset.Depset; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSet; |
| import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder; |
| import com.google.devtools.build.lib.packages.BuiltinProvider; |
| import com.google.devtools.build.lib.packages.Info; |
| import com.google.devtools.build.lib.starlarkbuildapi.test.AnalysisFailureInfoApi; |
| |
| /** |
| * Implementation of {@link AnalysisFailureInfoApi}. |
| * |
| * <p>Encapsulates information about analysis-phase errors which would have occurred during a build. |
| */ |
| public final class AnalysisFailureInfo implements Info, AnalysisFailureInfoApi<AnalysisFailure> { |
| |
| /** Singleton provider instance for {@link AnalysisFailureInfo}. */ |
| public static final AnalysisFailureInfoProvider STARLARK_CONSTRUCTOR = |
| new AnalysisFailureInfoProvider(); |
| |
| private final NestedSet<AnalysisFailure> causes; |
| |
| private AnalysisFailureInfo(NestedSet<AnalysisFailure> causes) { |
| this.causes = causes; |
| } |
| |
| @Override |
| public AnalysisFailureInfoProvider getProvider() { |
| return STARLARK_CONSTRUCTOR; |
| } |
| |
| /** |
| * Constructs and returns an {@link AnalysisFailureInfo} object representing the given failures. |
| */ |
| public static AnalysisFailureInfo forAnalysisFailures(Iterable<AnalysisFailure> failures) { |
| return new AnalysisFailureInfo( |
| NestedSetBuilder.<AnalysisFailure>stableOrder().addAll(failures).build()); |
| } |
| |
| /** |
| * Constructs and returns an {@link AnalysisFailureInfo} object representing the given sets of |
| * failures. When combining nested sets of analysis failures, use this method instead of {@link |
| * #forAnalysisFailures} so that the sets do not need to be flattened. |
| */ |
| public static AnalysisFailureInfo forAnalysisFailureSets( |
| Iterable<NestedSet<AnalysisFailure>> failures) { |
| NestedSetBuilder<AnalysisFailure> fullSetBuilder = |
| NestedSetBuilder.<AnalysisFailure>stableOrder(); |
| for (NestedSet<AnalysisFailure> failure : failures) { |
| fullSetBuilder.addTransitive(failure); |
| } |
| return new AnalysisFailureInfo(fullSetBuilder.build()); |
| } |
| |
| @Override |
| public Depset /*<AnalysisFailure>*/ getCauses() { |
| return Depset.of(AnalysisFailure.TYPE, causes); |
| } |
| |
| public NestedSet<AnalysisFailure> getCausesNestedSet() { |
| return causes; |
| } |
| |
| /** |
| * Provider implementation for {@link AnalysisFailureInfo}. |
| */ |
| public static class AnalysisFailureInfoProvider |
| extends BuiltinProvider<AnalysisFailureInfo> implements AnalysisFailureInfoProviderApi { |
| |
| public AnalysisFailureInfoProvider() { |
| super("AnalysisFailureInfo", AnalysisFailureInfo.class); |
| } |
| } |
| } |