| // Copyright 2018 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.commands; |
| |
| import com.google.common.base.Joiner; |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.buildtool.BuildRequest; |
| import com.google.devtools.build.lib.buildtool.CqueryBuildTool; |
| import com.google.devtools.build.lib.events.Event; |
| import com.google.devtools.build.lib.query2.cquery.ConfiguredTargetQueryEnvironment; |
| import com.google.devtools.build.lib.query2.cquery.CqueryOptions; |
| import com.google.devtools.build.lib.query2.engine.QueryEnvironment.QueryFunction; |
| import com.google.devtools.build.lib.query2.engine.QueryException; |
| import com.google.devtools.build.lib.query2.engine.QueryExpression; |
| import com.google.devtools.build.lib.query2.engine.QueryParser; |
| import com.google.devtools.build.lib.runtime.BlazeCommand; |
| import com.google.devtools.build.lib.runtime.BlazeCommandResult; |
| import com.google.devtools.build.lib.runtime.BlazeRuntime; |
| import com.google.devtools.build.lib.runtime.Command; |
| import com.google.devtools.build.lib.runtime.CommandEnvironment; |
| import com.google.devtools.build.lib.util.ExitCode; |
| import com.google.devtools.common.options.OptionPriority.PriorityCategory; |
| import com.google.devtools.common.options.OptionsParser; |
| import com.google.devtools.common.options.OptionsParsingException; |
| import com.google.devtools.common.options.OptionsParsingResult; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** Handles the 'cquery' command on the Blaze command line. */ |
| @Command( |
| name = "cquery", |
| builds = true, |
| inherits = {BuildCommand.class}, |
| options = {CqueryOptions.class}, |
| usesConfigurationOptions = true, |
| shortDescription = "Loads, analyzes, and queries the specified targets w/ configurations.", |
| allowResidue = true, |
| completion = "label", |
| help = "resource:cquery.txt" |
| ) |
| public final class CqueryCommand implements BlazeCommand { |
| |
| @Override |
| public void editOptions(OptionsParser optionsParser) { |
| try { |
| if (!optionsParser |
| .getOptions(CqueryOptions.class) |
| .transitions |
| .equals(CqueryOptions.Transitions.NONE)) { |
| optionsParser.parse( |
| PriorityCategory.COMPUTED_DEFAULT, |
| "Option required by setting the --transitions flag", |
| ImmutableList.of("--output=transitions")); |
| } |
| optionsParser.parse( |
| PriorityCategory.COMPUTED_DEFAULT, |
| "Options required by cquery", |
| ImmutableList.of("--nobuild")); |
| } catch (OptionsParsingException e) { |
| throw new IllegalStateException("Cquery's known options failed to parse", e); |
| } |
| } |
| |
| @Override |
| public BlazeCommandResult exec(CommandEnvironment env, OptionsParsingResult options) { |
| if (options.getResidue().isEmpty()) { |
| env.getReporter() |
| .handle( |
| Event.error( |
| "Missing query expression. Use the 'help cquery' command for syntax and help.")); |
| return BlazeCommandResult.exitCode(ExitCode.COMMAND_LINE_ERROR); |
| } |
| String query = Joiner.on(' ').join(options.getResidue()); |
| HashMap<String, QueryFunction> functions = new HashMap<>(); |
| for (QueryFunction queryFunction : ConfiguredTargetQueryEnvironment.FUNCTIONS) { |
| functions.put(queryFunction.getName(), queryFunction); |
| } |
| for (QueryFunction queryFunction : env.getRuntime().getQueryFunctions()) { |
| functions.put(queryFunction.getName(), queryFunction); |
| } |
| QueryExpression expr; |
| try { |
| expr = QueryParser.parse(query, functions); |
| } catch (QueryException e) { |
| env.getReporter() |
| .handle(Event.error("Error while parsing '" + query + "': " + e.getMessage())); |
| return BlazeCommandResult.exitCode(ExitCode.COMMAND_LINE_ERROR); |
| } |
| |
| List<String> topLevelTargets = options.getOptions(CqueryOptions.class).universeScope; |
| Set<String> targetPatternSet = new LinkedHashSet<>(); |
| if (topLevelTargets.isEmpty()) { |
| expr.collectTargetPatterns(targetPatternSet); |
| topLevelTargets = new ArrayList<>(targetPatternSet); |
| } |
| BlazeRuntime runtime = env.getRuntime(); |
| BuildRequest request = |
| BuildRequest.create( |
| getClass().getAnnotation(Command.class).name(), |
| options, |
| runtime.getStartupOptionsProvider(), |
| topLevelTargets, |
| env.getReporter().getOutErr(), |
| env.getCommandId(), |
| env.getCommandStartTime()); |
| ExitCode exitCode = |
| new CqueryBuildTool(env, expr).processRequest(request, null).getExitCondition(); |
| return BlazeCommandResult.exitCode(exitCode); |
| } |
| } |