| // 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.runtime.commands; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.query2.engine.QueryException; |
| import com.google.devtools.build.lib.query2.engine.QueryExpression; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** The utility class for {@link AqueryCommand} */ |
| public final class AqueryCommandUtils { |
| |
| private AqueryCommandUtils() {} |
| |
| /** |
| * Get the list of top-level targets of the query from universe scope and the query expression. |
| * |
| * @throws QueryException if targets were specified in the query expression together with |
| * --skyframe_state flag |
| */ |
| static ImmutableList<String> getTopLevelTargets( |
| List<String> universeScope, |
| QueryExpression expr, |
| boolean queryCurrentSkyframeState, |
| String query) |
| throws QueryException { |
| if (expr == null) { |
| return ImmutableList.copyOf(universeScope); |
| } |
| |
| ImmutableList<String> topLevelTargets; |
| if (universeScope.isEmpty()) { |
| Set<String> targetPatternSet = new LinkedHashSet<>(); |
| expr.collectTargetPatterns(targetPatternSet); |
| topLevelTargets = ImmutableList.copyOf(targetPatternSet); |
| } else { |
| topLevelTargets = ImmutableList.copyOf(universeScope); |
| } |
| |
| if (queryCurrentSkyframeState && !topLevelTargets.isEmpty()) { |
| throw new QueryException( |
| "Error while parsing '" |
| + query |
| + "': Specifying build target(s) " |
| + topLevelTargets |
| + " with --skyframe_state is currently not supported."); |
| } |
| |
| return topLevelTargets; |
| } |
| } |