| /* |
| * 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.base.lang.buildfile.sync; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.util.concurrent.ListenableFuture; |
| import com.google.idea.blaze.base.command.info.BlazeInfo; |
| import com.google.idea.blaze.base.ideinfo.RuleIdeInfo; |
| import com.google.idea.blaze.base.lang.buildfile.language.semantics.BuildLanguageSpec; |
| import com.google.idea.blaze.base.model.SyncState; |
| import com.google.idea.blaze.base.model.primitives.Label; |
| import com.google.idea.blaze.base.model.primitives.WorkspaceRoot; |
| import com.google.idea.blaze.base.projectview.ProjectViewSet; |
| import com.google.idea.blaze.base.scope.BlazeContext; |
| import com.google.idea.blaze.base.scope.Scope; |
| import com.google.idea.blaze.base.scope.scopes.TimingScope; |
| import com.google.idea.blaze.base.settings.Blaze; |
| import com.google.idea.blaze.base.sync.BlazeSyncPlugin; |
| import com.google.idea.blaze.base.sync.workspace.BlazeRoots; |
| import com.google.idea.blaze.base.sync.workspace.WorkingSet; |
| import com.google.idea.blaze.base.sync.workspace.WorkspacePathResolver; |
| import com.google.idea.blaze.base.sync.projectview.WorkspaceLanguageSettings; |
| import com.google.repackaged.devtools.build.lib.query2.proto.proto2api.Build; |
| import com.google.repackaged.protobuf.InvalidProtocolBufferException; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.project.Project; |
| |
| import javax.annotation.Nullable; |
| import java.io.File; |
| import java.util.concurrent.ExecutionException; |
| |
| /** |
| * Updates the language specification during the blaze sync process |
| */ |
| public class BuildLangSyncPlugin extends BlazeSyncPlugin.Adapter { |
| |
| private static final Logger LOG = Logger.getInstance(BuildLangSyncPlugin.class); |
| |
| @Override |
| public void updateSyncState(Project project, |
| BlazeContext context, |
| WorkspaceRoot workspaceRoot, |
| ProjectViewSet projectViewSet, |
| WorkspaceLanguageSettings workspaceLanguageSettings, |
| BlazeRoots blazeRoots, |
| @Nullable WorkingSet workingSet, |
| WorkspacePathResolver workspacePathResolver, |
| ImmutableMap<Label, RuleIdeInfo> ruleMap, |
| @Deprecated @Nullable File androidPlatformDirectory, |
| SyncState.Builder syncStateBuilder, |
| @Nullable SyncState previousSyncState) { |
| |
| LanguageSpecResult spec = getBuildLanguageSpec(project, workspaceRoot, previousSyncState, context); |
| if (spec != null) { |
| syncStateBuilder.put(LanguageSpecResult.class, spec); |
| } |
| } |
| |
| @Nullable |
| private static LanguageSpecResult getBuildLanguageSpec( |
| Project project, |
| WorkspaceRoot workspace, |
| @Nullable SyncState previousSyncState, |
| BlazeContext parentContext) { |
| LanguageSpecResult oldResult = previousSyncState != null ? previousSyncState.get(LanguageSpecResult.class) : null; |
| if (oldResult != null && !oldResult.shouldRecalculateSpec()) { |
| return oldResult; |
| } |
| LanguageSpecResult result = Scope.push(parentContext, (context) -> { |
| context.push(new TimingScope("BUILD language spec")); |
| BuildLanguageSpec spec = parseLanguageSpec(project, workspace, context); |
| if (spec != null) { |
| return new LanguageSpecResult(spec, System.currentTimeMillis()); |
| } |
| return null; |
| }); |
| return result != null ? result : oldResult; |
| } |
| |
| @Nullable |
| private static BuildLanguageSpec parseLanguageSpec(Project project, WorkspaceRoot workspace, BlazeContext context) { |
| try { |
| // it's wasteful converting to a string and back, but uses existing code, and has a very minor cost |
| // (this is only run once per workspace) |
| ListenableFuture<byte[]> future = BlazeInfo.getInstance() |
| .runBlazeInfoGetBytes(context, Blaze.getBuildSystem(project), workspace, ImmutableList.of(), BlazeInfo.BUILD_LANGUAGE); |
| |
| return BuildLanguageSpec.fromProto(Build.BuildLanguage.parseFrom(future.get())); |
| |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| return null; |
| } catch (ExecutionException | InvalidProtocolBufferException | NullPointerException e) { |
| if (!ApplicationManager.getApplication().isUnitTestMode()) { |
| LOG.error(e); |
| } |
| return null; |
| } |
| } |
| } |