| // 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.rules.cpp; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.devtools.build.lib.analysis.BlazeDirectories; |
| import com.google.devtools.build.lib.rules.cpp.FdoSupport.FdoException; |
| import com.google.devtools.build.lib.skyframe.WorkspaceNameValue; |
| import com.google.devtools.build.lib.vfs.Path; |
| import com.google.devtools.build.skyframe.SkyFunction; |
| import com.google.devtools.build.skyframe.SkyFunctionException; |
| import com.google.devtools.build.skyframe.SkyFunctionException.Transience; |
| import com.google.devtools.build.skyframe.SkyKey; |
| import com.google.devtools.build.skyframe.SkyValue; |
| import java.io.IOException; |
| import javax.annotation.Nullable; |
| |
| /** |
| * Wrapper for {@link FdoSupport} that turns it into a {@link SkyFunction}. |
| */ |
| public class FdoSupportFunction implements SkyFunction { |
| private final BlazeDirectories directories; |
| |
| public FdoSupportFunction(BlazeDirectories directories) { |
| this.directories = Preconditions.checkNotNull(directories); |
| } |
| |
| /** |
| * Wrapper for FDO exceptions. |
| */ |
| public static class FdoSkyException extends SkyFunctionException { |
| public FdoSkyException(Exception cause, Transience transience) { |
| super(cause, transience); |
| } |
| } |
| |
| @Nullable |
| @Override |
| public SkyValue compute(SkyKey skyKey, Environment env) |
| throws FdoSkyException, InterruptedException { |
| WorkspaceNameValue workspaceNameValue = (WorkspaceNameValue) env.getValue( |
| WorkspaceNameValue.key()); |
| if (env.valuesMissing()) { |
| return null; |
| } |
| |
| Path execRoot = directories.getExecRoot(workspaceNameValue.getName()); |
| FdoSupportValue.Key key = (FdoSupportValue.Key) skyKey.argument(); |
| FdoSupport fdoSupport; |
| try { |
| fdoSupport = |
| FdoSupport.create( |
| env, |
| key.getFdoInstrument(), |
| key.getFdoZip(), |
| key.getLipoMode(), |
| execRoot, |
| directories.getProductName(), |
| key.getFdoMode()); |
| if (env.valuesMissing()) { |
| return null; |
| } |
| } catch (FdoException e) { |
| throw new FdoSkyException(e, Transience.PERSISTENT); |
| } catch (IOException e) { |
| throw new FdoSkyException(e, Transience.TRANSIENT); |
| } |
| |
| return new FdoSupportValue(fdoSupport); |
| } |
| |
| @Nullable |
| @Override |
| public String extractTag(SkyKey skyKey) { |
| return null; |
| } |
| } |