blob: 2bd4116c81c3ede6fbd1996a19fbabc9708788bf [file] [log] [blame]
// 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.testutil;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.FailAction;
import com.google.devtools.build.lib.actions.MutableActionGraph.ActionConflictException;
import com.google.devtools.build.lib.analysis.ConfiguredTarget;
import com.google.devtools.build.lib.analysis.RuleConfiguredTargetBuilder;
import com.google.devtools.build.lib.analysis.RuleConfiguredTargetFactory;
import com.google.devtools.build.lib.analysis.RuleContext;
import com.google.devtools.build.lib.analysis.Runfiles;
import com.google.devtools.build.lib.analysis.RunfilesProvider;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.lib.packages.Rule;
import com.google.devtools.build.lib.server.FailureDetails.FailAction.Code;
import javax.annotation.Nullable;
/**
* A null implementation of ConfiguredTarget for rules we don't know how to build.
*/
public class UnknownRuleConfiguredTarget implements RuleConfiguredTargetFactory {
@Override
@Nullable
public ConfiguredTarget create(RuleContext context)
throws InterruptedException, RuleErrorException, ActionConflictException {
// TODO(bazel-team): (2009) why isn't this an error? It would stop the build more promptly...
context.ruleWarning("cannot build " + context.getRule().getRuleClass() + " rules");
ImmutableList<Artifact> outputArtifacts = context.getOutputArtifacts();
NestedSet<Artifact> filesToBuild;
if (outputArtifacts.isEmpty()) {
// Gotta build *something*...
filesToBuild = NestedSetBuilder.create(Order.STABLE_ORDER,
context.createOutputArtifact());
} else {
filesToBuild = NestedSetBuilder.wrap(Order.STABLE_ORDER, outputArtifacts);
}
Rule rule = context.getRule();
context.registerAction(
new FailAction(
context.getActionOwner(),
filesToBuild.toList(),
"cannot build " + rule.getRuleClass() + " rules such as " + rule.getLabel(),
Code.FAIL_ACTION_UNKNOWN));
return new RuleConfiguredTargetBuilder(context)
.setFilesToBuild(filesToBuild)
.add(RunfilesProvider.class, RunfilesProvider.simple(Runfiles.EMPTY))
.build();
}
}