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// 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.collect.Interner;
import com.google.devtools.build.lib.concurrent.BlazeInterners;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.rules.cpp.FdoSupport.FdoMode;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.lib.vfs.PathFragment;
import com.google.devtools.build.lib.view.config.crosstool.CrosstoolConfig.LipoMode;
import com.google.devtools.build.skyframe.SkyFunctionName;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import java.util.Objects;
/**
* Wrapper for {@link FdoSupport}.
*
* <p>Things could probably be refactored such the attributes of {@link FdoSupport} are moved here
* and the code in it to {@link FdoSupportFunction}. This would let us eliminate {@link FdoSupport}.
*
* <p>The eventual plan is to migrate FDO functionality to the execution phase once directory
* artifacts work better, so this may not be worth it.
*/
@AutoCodec
@Immutable
public class FdoSupportValue implements SkyValue {
public static final SkyFunctionName SKYFUNCTION = SkyFunctionName.create("FDO_SUPPORT");
/** {@link SkyKey} for {@link FdoSupportValue}. */
@Immutable
@AutoCodec
public static class Key implements SkyKey {
private static final Interner<Key> interner = BlazeInterners.newWeakInterner();
private final LipoMode lipoMode;
private final Path fdoZip;
private final PathFragment fdoInstrument;
private final FdoMode fdoMode;
private Key(LipoMode lipoMode, Path fdoZip, PathFragment fdoInstrument, FdoMode fdoMode) {
this.lipoMode = lipoMode;
this.fdoZip = fdoZip;
this.fdoInstrument = fdoInstrument;
this.fdoMode = fdoMode;
}
@AutoCodec.Instantiator
@AutoCodec.VisibleForSerialization
static Key of(LipoMode lipoMode, Path fdoZip, PathFragment fdoInstrument, FdoMode fdoMode) {
return interner.intern(new Key(lipoMode, fdoZip, fdoInstrument, fdoMode));
}
public LipoMode getLipoMode() {
return lipoMode;
}
public Path getFdoZip() {
return fdoZip;
}
public PathFragment getFdoInstrument() {
return fdoInstrument;
}
public FdoMode getFdoMode() {
return fdoMode;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof Key)) {
return false;
}
Key that = (Key) o;
return Objects.equals(this.lipoMode, that.lipoMode)
&& Objects.equals(this.fdoZip, that.fdoZip)
&& Objects.equals(this.fdoMode, that.fdoMode)
&& Objects.equals(this.fdoInstrument, that.fdoInstrument);
}
@Override
public int hashCode() {
return Objects.hash(lipoMode, fdoZip, fdoInstrument);
}
@Override
public SkyFunctionName functionName() {
return SKYFUNCTION;
}
}
private final FdoSupport fdoSupport;
FdoSupportValue(FdoSupport fdoSupport) {
this.fdoSupport = fdoSupport;
}
public FdoSupport getFdoSupport() {
return fdoSupport;
}
public static SkyKey key(
LipoMode lipoMode, Path fdoZip, PathFragment fdoInstrument, FdoMode fdoMode) {
return Key.of(lipoMode, fdoZip, fdoInstrument, fdoMode);
}
}
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