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// 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.packages;
import com.google.devtools.build.lib.cmdline.PackageIdentifier;
import com.google.devtools.build.lib.events.Location;
import com.google.devtools.build.lib.skylarkbuildapi.SkylarkNativeModuleApi;
import com.google.devtools.build.lib.syntax.Environment;
import com.google.devtools.build.lib.syntax.EvalException;
import com.google.devtools.build.lib.syntax.FuncallExpression;
import com.google.devtools.build.lib.syntax.Runtime;
import com.google.devtools.build.lib.syntax.SkylarkDict;
import com.google.devtools.build.lib.syntax.SkylarkList;
import com.google.devtools.build.lib.syntax.Type.ConversionException;
/**
* A class for the Skylark native module. TODO(laurentlb): Some definitions are duplicated from
* PackageFactory.
*/
public class SkylarkNativeModule implements SkylarkNativeModuleApi {
@Override
public SkylarkList<?> glob(
SkylarkList<?> include,
SkylarkList<?> exclude,
Integer excludeDirectories,
FuncallExpression ast,
Environment env)
throws EvalException, ConversionException, InterruptedException {
env.checkLoadingPhase("native.glob", ast.getLocation());
return PackageFactory.callGlob(null, include, exclude, excludeDirectories != 0, ast, env);
}
@Override
public Object existingRule(String name, FuncallExpression ast, Environment env)
throws EvalException, InterruptedException {
env.checkLoadingOrWorkspacePhase("native.existing_rule", ast.getLocation());
SkylarkDict<String, Object> rule = PackageFactory.callGetRuleFunction(name, ast, env);
if (rule != null) {
return rule;
}
return Runtime.NONE;
}
/*
If necessary, we could allow filtering by tag (anytag, alltags), name (regexp?), kind ?
For now, we ignore this, since users can implement it in Skylark.
*/
@Override
public SkylarkDict<String, SkylarkDict<String, Object>> existingRules(
FuncallExpression ast, Environment env)
throws EvalException, InterruptedException {
env.checkLoadingOrWorkspacePhase("native.existing_rules", ast.getLocation());
return PackageFactory.callGetRulesFunction(ast, env);
}
@Override
public Runtime.NoneType packageGroup(String name, SkylarkList<?> packages,
SkylarkList<?> includes,
FuncallExpression ast, Environment env) throws EvalException {
env.checkLoadingPhase("native.package_group", ast.getLocation());
return PackageFactory.callPackageFunction(name, packages, includes, ast, env);
}
@Override
public Runtime.NoneType exportsFiles(SkylarkList<?> srcs, Object visibility, Object licenses,
FuncallExpression ast, Environment env)
throws EvalException {
env.checkLoadingPhase("native.exports_files", ast.getLocation());
return PackageFactory.callExportsFiles(srcs, visibility, licenses, ast, env);
}
@Override
public String packageName(FuncallExpression ast, Environment env)
throws EvalException {
env.checkLoadingPhase("native.package_name", ast.getLocation());
PackageIdentifier packageId =
PackageFactory.getContext(env, ast.getLocation()).getBuilder().getPackageIdentifier();
return packageId.getPackageFragment().getPathString();
}
@Override
public String repositoryName(Location location, Environment env)
throws EvalException {
env.checkLoadingPhase("native.repository_name", location);
PackageIdentifier packageId =
PackageFactory.getContext(env, location).getBuilder().getPackageIdentifier();
return packageId.getRepository().toString();
}
}
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