| // 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; |
| |
| import com.google.devtools.build.lib.actions.MutableActionGraph.ActionConflictException; |
| import com.google.devtools.build.lib.analysis.BaseRuleClasses; |
| import com.google.devtools.build.lib.analysis.ConfiguredTarget; |
| import com.google.devtools.build.lib.analysis.RuleConfiguredTargetBuilder; |
| import com.google.devtools.build.lib.analysis.RuleConfiguredTargetFactory; |
| import com.google.devtools.build.lib.analysis.RuleContext; |
| import com.google.devtools.build.lib.analysis.RuleDefinition; |
| import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment; |
| import com.google.devtools.build.lib.analysis.Runfiles; |
| import com.google.devtools.build.lib.analysis.RunfilesProvider; |
| import com.google.devtools.build.lib.analysis.platform.ToolchainTypeInfo; |
| import com.google.devtools.build.lib.packages.RuleClass; |
| |
| /** |
| * Implementation of {@code toolchain_type}. |
| */ |
| public class ToolchainType implements RuleConfiguredTargetFactory { |
| |
| @Override |
| public ConfiguredTarget create(RuleContext ruleContext) |
| throws ActionConflictException { |
| |
| ToolchainTypeInfo toolchainTypeInfo = ToolchainTypeInfo.create(ruleContext.getLabel()); |
| |
| return new RuleConfiguredTargetBuilder(ruleContext) |
| .addProvider(RunfilesProvider.simple(Runfiles.EMPTY)) |
| .addNativeDeclaredProvider(toolchainTypeInfo) |
| .build(); |
| } |
| |
| /** Definition for {@code toolchain_type}. */ |
| public static class ToolchainTypeRule implements RuleDefinition { |
| |
| @Override |
| public RuleClass build(RuleClass.Builder builder, RuleDefinitionEnvironment environment) { |
| return builder |
| .useToolchainResolution(false) |
| .removeAttribute("licenses") |
| .removeAttribute("distribs") |
| .build(); |
| } |
| |
| @Override |
| public Metadata getMetadata() { |
| return Metadata.builder() |
| .name("toolchain_type") |
| .factoryClass(ToolchainType.class) |
| .ancestors(BaseRuleClasses.BaseRule.class) |
| .build(); |
| } |
| } |
| } |