| // Copyright 2019 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.starlarkbuildapi.proto; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.devtools.build.lib.cmdline.PackageIdentifier; |
| import com.google.devtools.build.lib.packages.semantics.BuildLanguageOptions; |
| import com.google.devtools.build.lib.starlarkbuildapi.StarlarkAspectApi; |
| import com.google.devtools.build.lib.starlarkbuildapi.core.Bootstrap; |
| import com.google.devtools.build.lib.starlarkbuildapi.core.ContextAndFlagGuardedValue; |
| import com.google.devtools.build.lib.starlarkbuildapi.core.ProviderApi; |
| import net.starlark.java.eval.FlagGuardedValue; |
| import net.starlark.java.eval.Starlark; |
| |
| /** A {@link Bootstrap} for Starlark objects related to protocol buffers. */ |
| public class ProtoBootstrap implements Bootstrap { |
| private static final ImmutableSet<PackageIdentifier> allowedRepositories = |
| ImmutableSet.of( |
| PackageIdentifier.createUnchecked("_builtins", ""), |
| PackageIdentifier.createUnchecked("rules_proto", ""), |
| PackageIdentifier.createUnchecked("", "tools/build_defs/proto")); |
| |
| /** The name of the proto info provider in Starlark. */ |
| public static final String PROTO_INFO_STARLARK_NAME = "ProtoInfo"; |
| |
| /** The name of the proto namespace in Starlark. */ |
| public static final String PROTO_COMMON_NAME = "proto_common"; |
| |
| public static final String PROTO_COMMON_SECOND_NAME = "proto_common_do_not_use"; |
| |
| private final Object protoCommon; |
| private final StarlarkAspectApi protoRegistryAspect; |
| private final ProviderApi protoRegistryProvider; |
| |
| public ProtoBootstrap( |
| Object protoCommon, |
| StarlarkAspectApi protoRegistryAspect, |
| ProviderApi protoRegistryProvider) { |
| this.protoCommon = protoCommon; |
| this.protoRegistryAspect = protoRegistryAspect; |
| this.protoRegistryProvider = protoRegistryProvider; |
| } |
| |
| @Override |
| public void addBindingsToBuilder(ImmutableMap.Builder<String, Object> builder) { |
| builder.put( |
| PROTO_INFO_STARLARK_NAME, |
| ContextAndFlagGuardedValue.onlyInAllowedReposOrWhenIncompatibleFlagIsFalse( |
| BuildLanguageOptions.INCOMPATIBLE_STOP_EXPORTING_LANGUAGE_MODULES, |
| Starlark.NONE, |
| allowedRepositories)); |
| builder.put( |
| PROTO_COMMON_NAME, |
| ContextAndFlagGuardedValue.onlyInAllowedReposOrWhenIncompatibleFlagIsFalse( |
| BuildLanguageOptions.INCOMPATIBLE_STOP_EXPORTING_LANGUAGE_MODULES, |
| protoCommon, |
| allowedRepositories)); |
| builder.put( |
| PROTO_COMMON_SECOND_NAME, |
| ContextAndFlagGuardedValue.onlyInAllowedReposOrWhenIncompatibleFlagIsFalse( |
| BuildLanguageOptions.INCOMPATIBLE_STOP_EXPORTING_LANGUAGE_MODULES, |
| protoCommon, |
| allowedRepositories)); |
| builder.put( |
| "ProtoRegistryAspect", |
| FlagGuardedValue.onlyWhenExperimentalFlagIsTrue( |
| BuildLanguageOptions.EXPERIMENTAL_GOOGLE_LEGACY_API, protoRegistryAspect)); |
| builder.put( |
| "ProtoRegistryProvider", |
| FlagGuardedValue.onlyWhenExperimentalFlagIsTrue( |
| BuildLanguageOptions.EXPERIMENTAL_GOOGLE_LEGACY_API, protoRegistryProvider)); |
| } |
| } |