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// Copyright 2014 Google Inc. 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.rules.cpp;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.actions.ActionExecutionContext;
import com.google.devtools.build.lib.actions.ActionExecutionException;
import com.google.devtools.build.lib.actions.BaseSpawn;
import com.google.devtools.build.lib.actions.ExecException;
import com.google.devtools.build.lib.actions.ExecutionStrategy;
import com.google.devtools.build.lib.actions.Executor;
import com.google.devtools.build.lib.actions.ResourceSet;
import java.util.List;
/**
* A link strategy that runs the linking step on the local host.
*
* <p>The set of input files necessary to successfully complete the link is the middleman-expanded
* set of the action's dependency inputs (which includes crosstool and libc dependencies, as
* defined by {@link com.google.devtools.build.lib.rules.cpp.CppHelper#getCrosstoolInputsForLink
* CppHelper.getCrosstoolInputsForLink}).
*/
@ExecutionStrategy(contextType = CppLinkActionContext.class, name = { "local" })
public final class LocalLinkStrategy extends LinkStrategy {
public LocalLinkStrategy() {
}
@Override
public void exec(CppLinkAction action, ActionExecutionContext actionExecutionContext)
throws ExecException, ActionExecutionException, InterruptedException {
Executor executor = actionExecutionContext.getExecutor();
List<String> argv =
action.prepareCommandLine(executor.getExecRoot(), null);
executor.getSpawnActionContext(action.getMnemonic()).exec(
new BaseSpawn.Local(argv, ImmutableMap.<String, String>of(), action),
actionExecutionContext);
}
@Override
public String linkStrategyName() {
return "local";
}
@Override
public ResourceSet estimateResourceConsumption(CppLinkAction action) {
return action.estimateResourceConsumptionLocal();
}
}
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