| // Copyright 2020 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.runtime.commands.info; |
| |
| import com.google.common.base.Supplier; |
| import com.google.devtools.build.lib.analysis.config.BuildConfiguration; |
| import com.google.devtools.build.lib.packages.semantics.BuildLanguageOptions; |
| import com.google.devtools.build.lib.runtime.CommandEnvironment; |
| import com.google.devtools.build.lib.runtime.InfoItem; |
| import com.google.devtools.build.lib.skyframe.SkyframeExecutor; |
| import com.google.devtools.common.options.OptionsParsingResult; |
| import net.starlark.java.eval.StarlarkSemantics; |
| |
| /** |
| * Info item for the effective current set of Starlark semantics option values. |
| * |
| * <p>This is hidden because its output is verbose and may be multiline. |
| */ |
| public final class StarlarkSemanticsInfoItem extends InfoItem { |
| private final OptionsParsingResult commandOptions; |
| |
| public StarlarkSemanticsInfoItem(OptionsParsingResult commandOptions) { |
| super( |
| /*name=*/ "starlark-semantics", |
| /*description=*/ "The effective set of Starlark semantics option values.", |
| /*hidden=*/ true); |
| this.commandOptions = commandOptions; |
| } |
| |
| @Override |
| public byte[] get(Supplier<BuildConfiguration> configurationSupplier, CommandEnvironment env) { |
| BuildLanguageOptions buildLanguageOptions = |
| commandOptions.getOptions(BuildLanguageOptions.class); |
| SkyframeExecutor skyframeExecutor = env.getBlazeWorkspace().getSkyframeExecutor(); |
| StarlarkSemantics effectiveStarlarkSemantics = |
| skyframeExecutor.getEffectiveStarlarkSemantics(buildLanguageOptions); |
| return print(effectiveStarlarkSemantics); |
| } |
| } |