| // Copyright 2017 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; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.events.Location; |
| 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.syntax.SkylarkNestedSet; |
| import java.util.Map; |
| |
| /** DefaultProvider is provided by all targets implicitly and contains all standard fields. */ |
| @Immutable |
| public final class DefaultProvider extends SkylarkClassObject { |
| |
| // Accessors for Skylark |
| private static final String DATA_RUNFILES_FIELD = "data_runfiles"; |
| private static final String DEFAULT_RUNFILES_FIELD = "default_runfiles"; |
| private static final String FILES_FIELD = "files"; |
| |
| public static final String SKYLARK_NAME = "DefaultInfo"; |
| public static final ClassObjectConstructor SKYLARK_CONSTRUCTOR = |
| new NativeClassObjectConstructor(SKYLARK_NAME) { |
| @Override |
| protected SkylarkClassObject createInstanceFromSkylark(Object[] args, Location loc) { |
| @SuppressWarnings("unchecked") |
| Map<String, Object> kwargs = (Map<String, Object>) args[0]; |
| return new SkylarkClassObject(this, kwargs, loc); |
| } |
| }; |
| |
| private DefaultProvider(ClassObjectConstructor constructor, Map<String, Object> values) { |
| super(constructor, values); |
| } |
| |
| public static DefaultProvider build( |
| RunfilesProvider runfilesProvider, |
| FileProvider fileProvider, |
| FilesToRunProvider filesToRunProvider) { |
| ImmutableMap.Builder<String, Object> attrBuilder = new ImmutableMap.Builder<>(); |
| if (runfilesProvider != null) { |
| attrBuilder.put(DATA_RUNFILES_FIELD, runfilesProvider.getDataRunfiles()); |
| attrBuilder.put(DEFAULT_RUNFILES_FIELD, runfilesProvider.getDefaultRunfiles()); |
| } else { |
| attrBuilder.put(DATA_RUNFILES_FIELD, Runfiles.EMPTY); |
| attrBuilder.put(DEFAULT_RUNFILES_FIELD, Runfiles.EMPTY); |
| } |
| |
| attrBuilder.put( |
| FILES_FIELD, SkylarkNestedSet.of(Artifact.class, fileProvider.getFilesToBuild())); |
| attrBuilder.put(FilesToRunProvider.SKYLARK_NAME, filesToRunProvider); |
| |
| return new DefaultProvider(SKYLARK_CONSTRUCTOR, attrBuilder.build()); |
| } |
| } |