| // 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.rules.objc; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.analysis.config.BuildConfiguration; |
| import com.google.devtools.build.lib.analysis.config.BuildConfiguration.Options; |
| import com.google.devtools.build.lib.analysis.config.BuildOptions; |
| import com.google.devtools.build.lib.analysis.config.ConfigurationFragmentFactory; |
| import com.google.devtools.build.lib.analysis.config.FragmentOptions; |
| import com.google.devtools.build.lib.analysis.config.InvalidConfigurationException; |
| |
| /** |
| * A loader that creates ObjcConfiguration instances based on Objective-C configurations and |
| * command-line options. |
| */ |
| public class ObjcConfigurationLoader implements ConfigurationFragmentFactory { |
| @Override |
| public ObjcConfiguration create(BuildOptions buildOptions) throws InvalidConfigurationException { |
| Options options = buildOptions.get(BuildConfiguration.Options.class); |
| ObjcCommandLineOptions objcOptions = buildOptions.get(ObjcCommandLineOptions.class); |
| validate(objcOptions); |
| return new ObjcConfiguration(objcOptions, options); |
| } |
| |
| private static void validate(ObjcCommandLineOptions objcOptions) |
| throws InvalidConfigurationException { |
| if (objcOptions.experimentalObjcHeaderThinning && !objcOptions.useDotdPruning) { |
| throw new InvalidConfigurationException( |
| "Experimental Objective-C header thinning (--experimental_objc_header_thinning) requires " |
| + "Objective-C dotd pruning (--objc_use_dotd_pruning)."); |
| } |
| } |
| |
| @Override |
| public Class<? extends BuildConfiguration.Fragment> creates() { |
| return ObjcConfiguration.class; |
| } |
| |
| @Override |
| public ImmutableSet<Class<? extends FragmentOptions>> requiredOptions() { |
| return ImmutableSet.<Class<? extends FragmentOptions>>of(ObjcCommandLineOptions.class); |
| } |
| } |