| // 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.query2.query.output; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.events.Location; |
| import com.google.devtools.build.lib.packages.Target; |
| import com.google.devtools.build.lib.query2.common.AbstractBlazeQueryEnvironment; |
| import com.google.devtools.build.lib.query2.engine.AggregatingQueryExpressionVisitor.ContainsFunctionQueryExpressionVisitor; |
| import com.google.devtools.build.lib.query2.engine.OutputFormatterCallback; |
| import com.google.devtools.build.lib.query2.engine.QueryEnvironment; |
| import com.google.devtools.build.lib.query2.engine.QueryException; |
| import com.google.devtools.build.lib.query2.engine.QueryExpression; |
| import com.google.devtools.build.lib.query2.engine.SynchronizedDelegatingOutputFormatterCallback; |
| import com.google.devtools.build.lib.query2.engine.ThreadSafeOutputFormatterCallback; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * An output formatter that prints the labels of the targets, preceded by |
| * their locations and kinds, in topological order. For output files, the |
| * location of the generating rule is given; for input files, the location of |
| * line 1 is given. |
| */ |
| class LocationOutputFormatter extends AbstractUnorderedFormatter { |
| |
| @Override |
| public String getName() { |
| return "location"; |
| } |
| |
| @Override |
| public void verifyCompatible(QueryEnvironment<?> env, QueryExpression expr) |
| throws QueryException { |
| if (!(env instanceof AbstractBlazeQueryEnvironment)) { |
| return; |
| } |
| |
| ContainsFunctionQueryExpressionVisitor noteBuildFilesAndLoadLilesVisitor = |
| new ContainsFunctionQueryExpressionVisitor(ImmutableList.of("loadfiles", "buildfiles")); |
| |
| if (expr.accept(noteBuildFilesAndLoadLilesVisitor)) { |
| throw new QueryException( |
| "Query expressions involving 'buildfiles' or 'loadfiles' cannot be used with " |
| + "--output=location"); |
| } |
| } |
| |
| @Override |
| public OutputFormatterCallback<Target> createPostFactoStreamCallback( |
| OutputStream out, final QueryOptions options) { |
| return new TextOutputFormatterCallback<Target>(out) { |
| |
| @Override |
| public void processOutput(Iterable<Target> partialResult) throws IOException { |
| final String lineTerm = options.getLineTerminator(); |
| for (Target target : partialResult) { |
| Location location = target.getLocation(); |
| writer |
| .append(location.toString()) |
| .append(": ") |
| .append(target.getTargetKind()) |
| .append(" ") |
| .append(target.getLabel().getDefaultCanonicalForm()) |
| .append(lineTerm); |
| } |
| } |
| }; |
| } |
| |
| @Override |
| public ThreadSafeOutputFormatterCallback<Target> createStreamCallback( |
| OutputStream out, QueryOptions options, QueryEnvironment<?> env) { |
| return new SynchronizedDelegatingOutputFormatterCallback<>( |
| createPostFactoStreamCallback(out, options)); |
| } |
| } |