blob: ca8f102a8a88c0a959f76b83179f536cdd66942c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
// 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.query2.engine;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.query2.engine.QueryEnvironment.Argument;
import com.google.devtools.build.lib.query2.engine.QueryEnvironment.ArgumentType;
import com.google.devtools.build.lib.query2.engine.QueryEnvironment.QueryFunction;
import java.util.List;
import java.util.Set;
/**
* A buildfiles(x) query expression, which computes the set of BUILD files and
* subincluded files for each target in set x. The result is unordered. This
* operator is typically used for determinining what files or packages to check
* out.
*
* <pre>expr ::= BUILDFILES '(' expr ')'</pre>
*/
class BuildFilesFunction implements QueryFunction {
BuildFilesFunction() {
}
@Override
public String getName() {
return "buildfiles";
}
@Override
public <T> Set<T> eval(QueryEnvironment<T> env, QueryExpression expression, List<Argument> args)
throws QueryException, InterruptedException {
return env.getBuildFiles(expression, args.get(0).getExpression().eval(env));
}
@Override
public int getMandatoryArguments() {
return 1;
}
@Override
public List<ArgumentType> getArgumentTypes() {
return ImmutableList.of(ArgumentType.EXPRESSION);
}
}
|