// Copyright 2016 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;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.analysis.TransitiveInfoProvider;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.packages.ClassObjectConstructor;
import com.google.devtools.build.lib.packages.NativeClassObjectConstructor;
import com.google.devtools.build.lib.packages.SkylarkClassObject;
import com.google.devtools.build.lib.skylarkinterface.SkylarkCallable;
import com.google.devtools.build.lib.skylarkinterface.SkylarkModule;
/** Provides access to make variables from the current fragments. */
@SkylarkModule(name = "MakeVariables", doc = "Make variables exposed by the current target.")
@Immutable
public final class MakeVariableProvider extends SkylarkClassObject
implements TransitiveInfoProvider {
public static final String SKYLARK_NAME = "MakeVariableInfo";
public static final ClassObjectConstructor SKYLARK_CONSTRUCTOR =
new NativeClassObjectConstructor(SKYLARK_NAME) {};
private final ImmutableMap<String, String> makeVariables;
public MakeVariableProvider(ImmutableMap<String, String> makeVariables) {
super(SKYLARK_CONSTRUCTOR, ImmutableMap.<String, Object>of());
this.makeVariables = makeVariables;
}
@SkylarkCallable(
name = "make_variables",
doc = "Returns the make variables defined by this target.",
structField = true
)
public ImmutableMap<String, String> getMakeVariables() {
return makeVariables;
}
}