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// Copyright 2019 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.skyframe;
import com.google.auto.value.AutoValue;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSetMultimap;
import com.google.devtools.build.lib.analysis.config.ToolchainTypeRequirement;
import com.google.devtools.build.lib.analysis.platform.PlatformInfo;
import com.google.devtools.build.lib.analysis.platform.ToolchainTypeInfo;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.skyframe.SkyValue;
import java.util.Set;
/**
* Represents the state of toolchain resolution once the specific required toolchains have been
* determined, but before the toolchain dependencies have been resolved.
*/
@AutoValue
public abstract class UnloadedToolchainContextImpl implements SkyValue, UnloadedToolchainContext {
public static Builder builder(ToolchainContextKey key) {
return new AutoValue_UnloadedToolchainContextImpl.Builder()
.setKey(key)
.setToolchainTypes(ImmutableSet.of())
.setRequestedLabelToToolchainType(ImmutableMap.of())
.setToolchainTypeToResolved(ImmutableSetMultimap.of())
.setErrorData(null);
}
/** Builder class to help create the {@link UnloadedToolchainContextImpl}. */
@AutoValue.Builder
public interface Builder {
/** Sets the key that identifies this context. */
Builder setKey(ToolchainContextKey key);
/** Sets the selected execution platform that these toolchains use. */
Builder setExecutionPlatform(PlatformInfo executionPlatform);
/** Sets the target platform that these toolchains generate output for. */
Builder setTargetPlatform(PlatformInfo targetPlatform);
/** Sets the toolchain types that were requested. */
Builder setToolchainTypes(Set<ToolchainTypeRequirement> toolchainTypes);
/**
* Maps from the actual toolchain type to the resolved toolchain implementation that should be
* used.
*/
Builder setToolchainTypeToResolved(
ImmutableSetMultimap<ToolchainTypeInfo, Label> toolchainTypeToResolved);
/**
* Maps from the actual requested {@link Label} to the discovered {@link ToolchainTypeInfo}.
*
* <p>Note that the key may be different from {@link ToolchainTypeInfo#typeLabel()} if the
* requested {@link Label} is an {@code alias}.
*/
Builder setRequestedLabelToToolchainType(
ImmutableMap<Label, ToolchainTypeInfo> requestedLabelToToolchainType);
/** Stores an exception that occurred during resolution of this toolchain. */
Builder setErrorData(NoMatchingPlatformData errorData);
UnloadedToolchainContextImpl build();
}
@Override
public ImmutableSet<Label> resolvedToolchainLabels() {
return toolchainTypeToResolved().inverse().keySet();
}
protected abstract Builder toBuilder();
}