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// Copyright 2016 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.skyframe;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.syntax.BuildFileAST;
import com.google.devtools.build.lib.vfs.RootedPath;
import com.google.devtools.build.skyframe.SkyKey;
import com.google.devtools.build.skyframe.SkyValue;
import java.util.List;
/**
* A SkyValue that stores the parsed WORKSPACE file as a list of AST. Each AST contains the part
* of the WORKSPACE file between the first load statement of a series of load statements and the
* last statement before the next load statement. As example, the comment indicate where the next
* file would be split:
*
* <p><code>
* # First AST
* load('//foo:bar.bzl', 'foobar')
* foo_bar = 1
*
* # Second AST
* load('//foo:baz.bzl', 'foos')
* load('//bar:foo.bzl', 'bars')
* foos()
* bars()
*
* # Third AST
* load('//:bleh.bzl', 'bleh')
* </code>
*/
public class WorkspaceASTValue implements SkyValue {
private final ImmutableList<BuildFileAST> asts;
public WorkspaceASTValue(List<BuildFileAST> asts) {
Preconditions.checkNotNull(asts);
this.asts = ImmutableList.copyOf(asts);
}
public ImmutableList<BuildFileAST> getASTs() {
return asts;
}
public static SkyKey key(RootedPath path) {
return new SkyKey(SkyFunctions.WORKSPACE_AST, path);
}
}
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