| // 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.rules.proto; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.analysis.config.BuildConfiguration; |
| import com.google.devtools.build.lib.analysis.config.BuildConfiguration.Fragment; |
| import com.google.devtools.build.lib.analysis.config.BuildOptions; |
| import com.google.devtools.build.lib.analysis.config.ConfigurationEnvironment; |
| 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; |
| import com.google.devtools.build.lib.cmdline.Label; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.common.options.Option; |
| |
| import java.util.List; |
| |
| /** |
| * Configuration for Protocol Buffer Libraries. |
| */ |
| @Immutable |
| public class ProtoConfiguration extends Fragment { |
| |
| /** |
| * Command line options. |
| */ |
| public static class Options extends FragmentOptions { |
| @Option(name = "protocopt", |
| allowMultiple = true, |
| defaultValue = "", |
| category = "flags", |
| help = "Additional options to pass to the protobuf compiler.") |
| public List<String> protocOpts; |
| |
| @Option( |
| name = "experimental_proto_extra_actions", |
| defaultValue = "false", |
| category = "experimental", |
| help = "Run extra actions for alternative Java api versions in a proto_library." |
| ) |
| public boolean experimentalProtoExtraActions; |
| |
| @Option( |
| name = "proto_compiler", |
| defaultValue = "null", |
| category = "version", |
| converter = BuildConfiguration.LabelConverter.class, |
| help = "The label of the proto-compiler." |
| ) |
| public Label protoCompiler; |
| |
| } |
| |
| /** |
| * Loader class for proto. |
| */ |
| public static class Loader implements ConfigurationFragmentFactory { |
| @Override |
| public Fragment create(ConfigurationEnvironment env, BuildOptions buildOptions) |
| throws InvalidConfigurationException { |
| return new ProtoConfiguration(buildOptions.get(Options.class)); |
| } |
| |
| @Override |
| public Class<? extends Fragment> creates() { |
| return ProtoConfiguration.class; |
| } |
| |
| @Override |
| public ImmutableSet<Class<? extends FragmentOptions>> requiredOptions() { |
| return ImmutableSet.<Class<? extends FragmentOptions>>of(Options.class); |
| } |
| } |
| |
| private final boolean experimentalProtoExtraActions; |
| private final ImmutableList<String> protocOpts; |
| private final Label protoCompiler; |
| |
| public ProtoConfiguration(Options options) { |
| this.experimentalProtoExtraActions = options.experimentalProtoExtraActions; |
| this.protocOpts = ImmutableList.copyOf(options.protocOpts); |
| this.protoCompiler = options.protoCompiler; |
| } |
| |
| public ImmutableList<String> protocOpts() { |
| return protocOpts; |
| } |
| |
| /** |
| * Returns true if we will run extra actions for actions that are not run by default. If this |
| * is enabled, e.g. all extra_actions for alternative api-versions or language-flavours of a |
| * proto_library target are run. |
| */ |
| public boolean runExperimentalProtoExtraActions() { |
| return experimentalProtoExtraActions; |
| } |
| |
| public Label protoCompiler() { |
| return protoCompiler; |
| } |
| } |