| // 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.rules.objc; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.testutil.Scratch; |
| import java.io.IOException; |
| import java.util.Set; |
| |
| /** |
| * This exists for convenience for any rule type that requires only one file in {@code srcs} or |
| * {@code non_arc_srcs}, and no other attributes. |
| */ |
| final class OnlyNeedsSourcesRuleType extends RuleType { |
| OnlyNeedsSourcesRuleType(String ruleTypeName) { |
| super(ruleTypeName); |
| } |
| |
| @Override |
| Iterable<String> requiredAttributes( |
| Scratch scratch, String packageDir, Set<String> alreadyAdded) throws IOException { |
| ImmutableList.Builder<String> attributes = new ImmutableList.Builder<>(); |
| if (!alreadyAdded.contains("srcs") && !alreadyAdded.contains("non_arc_srcs")) { |
| scratch.file(packageDir + "/a.m"); |
| scratch.file(packageDir + "/private.h"); |
| attributes.add("srcs = ['a.m', 'private.h']"); |
| } |
| return attributes.build(); |
| } |
| } |