// 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.runtime; import com.google.devtools.build.lib.vfs.Path; import com.google.devtools.build.lib.vfs.PathFragment; import com.google.devtools.build.lib.vfs.Root; import com.google.devtools.common.options.OptionsParsingException; import java.util.List; /** * A file that describes a project - for large source trees that are worked on by multiple * independent teams, it is useful to have a larger unit than a package which combines a set of * target patterns and a set of corresponding options. */ public interface ProjectFile { /** * A provider for a project file - we generally expect the provider to cache parsed files * internally and return a cached version if it can ascertain that that is still correct. * *
Note in particular that packages may be moved between different package path entries, which
* should lead to cache invalidation.
*/
public interface Provider {
/**
* Returns an (optionally cached) project file instance. If there is no such file, or if the
* file cannot be parsed, then it throws an exception.
*/
ProjectFile getProjectFile(Path workingDirectory, List