// Copyright 2015 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.config; import com.google.common.base.Joiner; import com.google.common.collect.ImmutableCollection; import com.google.devtools.build.lib.analysis.RuleContext; import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; import com.google.devtools.build.lib.packages.Attribute.ConfigurationTransition; import com.google.devtools.build.lib.skylarkinterface.SkylarkModule; import com.google.devtools.build.lib.syntax.ClassObject; import javax.annotation.Nullable; /** * Represents a collection of configuration fragments in Skylark. */ // Documentation can be found at ctx.fragments @Immutable @SkylarkModule(name = "fragments", doc = "Possible fields are " + "apple, cpp, " + "java and jvm. " + "Access a specific fragment by its field name ex:
ctx.fragments.apple
"
+ "Note that rules have to declare their required fragments in order to access them "
+ "(see here).")
public class FragmentCollection implements ClassObject {
private final RuleContext ruleContext;
private final ConfigurationTransition config;
public FragmentCollection(RuleContext ruleContext, ConfigurationTransition config) {
this.ruleContext = ruleContext;
this.config = config;
}
@Override
@Nullable
public Object getValue(String name) {
return ruleContext.getSkylarkFragment(name, config);
}
@Override
public ImmutableCollection