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StarlarkModules.java
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/
StarlarkModules.java
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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.analysis.starlark;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.analysis.ActionsProvider;
import com.google.devtools.build.lib.analysis.DefaultInfo;
import com.google.devtools.build.lib.analysis.OutputGroupInfo;
import com.google.devtools.build.lib.analysis.RunEnvironmentInfo;
import com.google.devtools.build.lib.analysis.RunfilesLibraryInfo;
import com.google.devtools.build.lib.packages.StarlarkLibrary;
import com.google.devtools.build.lib.packages.StructProvider;
import net.starlark.java.eval.Starlark;
/** A helper class for determining essential Build Language builtins. */
public final class StarlarkModules {
private StarlarkModules() {}
/**
* Adds essential predeclared symbols for the Build Language.
*
* <p>This includes generic symbols like {@code rule()}, but not symbols specific to a rule
* family, like {@code CcInfo}; those are registered on a RuleClassProvider instead. This also
* does not include Starlark Universe symbols like {@code len()}.
*/
public static void addPredeclared(ImmutableMap.Builder<String, Object> predeclared) {
predeclared.putAll(StarlarkLibrary.COMMON); // e.g. select, depset
Starlark.addMethods(predeclared, new BazelBuildApiGlobals()); // e.g. configuration_field
Starlark.addMethods(predeclared, new StarlarkRuleClassFunctions()); // e.g. rule
predeclared.put("cmd_helper", new StarlarkCommandLine());
predeclared.put("attr", new StarlarkAttrModule());
predeclared.put("struct", StructProvider.STRUCT);
predeclared.put("OutputGroupInfo", OutputGroupInfo.STARLARK_CONSTRUCTOR);
predeclared.put("Actions", ActionsProvider.INSTANCE);
predeclared.put("DefaultInfo", DefaultInfo.PROVIDER);
predeclared.put("RunEnvironmentInfo", RunEnvironmentInfo.PROVIDER);
predeclared.put("RunfilesLibraryInfo", RunfilesLibraryInfo.PROVIDER);
}
}