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// 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.repository;
import static com.google.devtools.build.lib.packages.Attribute.attr;
import static com.google.devtools.build.lib.syntax.Type.STRING;
import com.google.devtools.build.lib.analysis.BaseRuleClasses.RootRule;
import com.google.devtools.build.lib.analysis.RuleDefinition;
import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment;
import com.google.devtools.build.lib.packages.RuleClass;
import com.google.devtools.build.lib.packages.RuleClass.Builder.RuleClassType;
/**
* Base rule for rules in the WORKSPACE file.
*/
public class WorkspaceBaseRule implements RuleDefinition {
@Override
public RuleClass build(RuleClass.Builder builder, RuleDefinitionEnvironment environment) {
return builder
.exemptFromConstraintChecking("workspace rules aren't built for target environments")
.add(
attr("generator_name", STRING)
.undocumented("internal")
.nonconfigurable("internal attributes are non-configurable"))
.add(
attr("generator_function", STRING)
.undocumented("internal")
.nonconfigurable("internal attributes are non-configurable"))
.add(
attr("generator_location", STRING)
.undocumented("internal")
.nonconfigurable("internal attributes are non-configurable"))
.build();
}
@Override
public Metadata getMetadata() {
return RuleDefinition.Metadata.builder()
.name("$workspace_base_rule")
.type(RuleClassType.ABSTRACT)
.ancestors(RootRule.class)
.build();
}
}
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