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// Copyright 2023 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.devtools.build.lib.analysis.AnalysisOptions;
import com.google.devtools.build.lib.analysis.config.CoreOptions;
import com.google.devtools.build.lib.buildtool.BuildRequestOptions;
import com.google.devtools.build.lib.events.Event;
import com.google.devtools.build.lib.pkgcache.PathPackageLocator;
import com.google.devtools.build.lib.runtime.BlazeModule;
import com.google.devtools.build.lib.runtime.CommandEnvironment;
/** Module to handle various Skymeld checks. */
public class SkymeldModule extends BlazeModule {
@Override
public void beforeCommand(CommandEnvironment env) {
env.setMergedAnalysisAndExecution(determineIfMergingAnalysisExecution(env));
}
boolean determineIfMergingAnalysisExecution(CommandEnvironment env) {
String commandName = env.getCommandName();
PathPackageLocator packageLocator = env.getPackageLocator();
BuildRequestOptions buildRequestOptions =
env.getOptions().getOptions(BuildRequestOptions.class);
boolean effectiveValue = getPlainValueFromFlag(buildRequestOptions);
// --nobuild means no execution will be carried out, hence it doesn't make sense to interleave
// analysis and execution in that case and --experimental_merged_skyframe_analysis_execution
// should be ignored.
if (effectiveValue && !buildRequestOptions.performExecutionPhase) {
// Aquery and Cquery implicitly set --nobuild, so there's no need to have a warning here: it
// makes no different from the users' perspective.
if (!(commandName.equals("aquery") || commandName.equals("cquery"))) {
env.getReporter()
.handle(
Event.warn(
"--experimental_merged_skyframe_analysis_execution is incompatible with"
+ " --nobuild and will be ignored."));
}
effectiveValue = false;
}
// TODO(b/245922903): Make --explain compatible with Skymeld.
if (effectiveValue && buildRequestOptions.explanationPath != null) {
env.getReporter()
.handle(
Event.warn(
"--experimental_merged_skyframe_analysis_execution is incompatible with --explain"
+ " and will be ignored."));
effectiveValue = false;
}
boolean havingMultiPackagePath =
packageLocator != null && packageLocator.getPathEntries().size() > 1;
// TODO(b/246324830): Skymeld and multi-package_path are incompatible.
if (effectiveValue && havingMultiPackagePath) {
env.getReporter()
.handle(
Event.warn(
"--experimental_merged_skyframe_analysis_execution is "
+ "incompatible with multiple --package_path ("
+ packageLocator.getPathEntries()
+ ") and its value will be ignored."));
effectiveValue = false;
}
if (effectiveValue
&& env.getOptions().getOptions(AnalysisOptions.class) != null
&& env.getOptions().getOptions(AnalysisOptions.class).cpuHeavySkyKeysThreadPoolSize <= 0) {
env.getReporter()
.handle(
Event.warn(
"--experimental_merged_skyframe_analysis_execution is incompatible with a"
+ " non-positive --experimental_skyframe_cpu_heavy_skykeys_thread_pool_size"
+ " and its value will be ignored."));
effectiveValue = false;
}
if (effectiveValue
&& (buildRequestOptions.aqueryDumpAfterBuildFormat != null
|| buildRequestOptions.aqueryDumpAfterBuildOutputFile != null)) {
env.getReporter()
.handle(
Event.warn(
"--experimental_merged_skyframe_analysis_execution is incompatible with"
+ " generating an aquery dump after builds and its value will be ignored."));
effectiveValue = false;
}
// TODO(b/245873370) --check_licenses is going away.
if (effectiveValue
&& env.getOptions().getOptions(CoreOptions.class) != null
&& env.getOptions().getOptions(CoreOptions.class).checkLicenses) {
env.getReporter()
.handle(
Event.warn(
"--experimental_merged_skyframe_analysis_execution is incompatible with"
+ " --check_licenses and its value will be ignored."));
effectiveValue = false;
}
return effectiveValue;
}
static boolean getPlainValueFromFlag(BuildRequestOptions buildRequestOptions) {
return buildRequestOptions != null
&& buildRequestOptions.mergedSkyframeAnalysisExecutionDoNotUseDirectly;
}
}