| /* |
| * 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.idea.blaze.cpp; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.idea.blaze.base.ideinfo.ArtifactLocation; |
| import com.google.idea.blaze.base.ideinfo.TargetIdeInfo; |
| import com.google.idea.blaze.base.model.BlazeProjectData; |
| import com.google.idea.blaze.base.model.primitives.LanguageClass; |
| import com.google.idea.blaze.base.model.primitives.WorkspacePath; |
| import com.google.idea.blaze.base.prefetch.PrefetchFileSource; |
| import com.google.idea.blaze.base.projectview.ProjectViewSet; |
| import com.google.idea.blaze.base.sync.projectview.ImportRoots; |
| import com.google.idea.blaze.base.sync.workspace.ArtifactLocationDecoder; |
| import com.google.idea.common.experiments.BoolExperiment; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.io.FileUtil; |
| import java.io.File; |
| import java.util.Set; |
| import java.util.function.Predicate; |
| |
| /** Causes C files to become prefetched. */ |
| public class CPrefetchFileSource implements PrefetchFileSource { |
| |
| private static final BoolExperiment prefetchAllCppSources = |
| new BoolExperiment("prefetch.all.cpp.sources", true); |
| |
| @Override |
| public void addFilesToPrefetch( |
| Project project, |
| ProjectViewSet projectViewSet, |
| ImportRoots importRoots, |
| BlazeProjectData blazeProjectData, |
| Set<File> files) { |
| if (!blazeProjectData.workspaceLanguageSettings.isLanguageActive(LanguageClass.C) |
| || !prefetchAllCppSources.getValue()) { |
| return; |
| } |
| // Prefetch all non-project CPP header files encountered during sync |
| Predicate<ArtifactLocation> shouldPrefetch = |
| location -> { |
| if (!location.isSource || location.isExternal) { |
| return false; |
| } |
| WorkspacePath path = WorkspacePath.createIfValid(location.relativePath); |
| if (path == null || importRoots.containsWorkspacePath(path)) { |
| return false; |
| } |
| String extension = FileUtil.getExtension(path.relativePath()); |
| return CFileExtensions.HEADER_EXTENSIONS.contains(extension); |
| }; |
| ArtifactLocationDecoder decoder = blazeProjectData.artifactLocationDecoder; |
| for (TargetIdeInfo target : blazeProjectData.targetMap.targets()) { |
| if (target.cIdeInfo == null) { |
| continue; |
| } |
| target.sources.stream().filter(shouldPrefetch).map(decoder::decode).forEach(files::add); |
| } |
| } |
| |
| @Override |
| public Set<String> prefetchFileExtensions() { |
| return ImmutableSet.<String>builder() |
| .addAll(CFileExtensions.SOURCE_EXTENSIONS) |
| .addAll(CFileExtensions.HEADER_EXTENSIONS) |
| .build(); |
| } |
| } |