// 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.query2; import com.google.common.collect.ImmutableList; import com.google.devtools.build.lib.analysis.ConfiguredTarget; import com.google.devtools.build.lib.query2.engine.Callback; import com.google.devtools.build.lib.query2.engine.QueryEnvironment; import com.google.devtools.build.lib.query2.engine.QueryEnvironment.Argument; import com.google.devtools.build.lib.query2.engine.QueryEnvironment.ArgumentType; import com.google.devtools.build.lib.query2.engine.QueryEnvironment.QueryFunction; import com.google.devtools.build.lib.query2.engine.QueryEnvironment.QueryTaskFuture; import com.google.devtools.build.lib.query2.engine.QueryEnvironment.ThreadSafeMutableSet; import com.google.devtools.build.lib.query2.engine.QueryExpression; import com.google.devtools.build.lib.query2.engine.QueryUtil; import com.google.devtools.build.lib.query2.engine.VariableContext; import java.util.List; /** * A "config" query expression for cquery. The first argument is the expression to be evaluated. The * second argument is either "host", "target", or "null" to specify which configuration the * user is seeking to query in. If some but not all results of expr can be found in the specified * config, then the subset that can be is returned. If no results of expr can be found in the * specified config, then an error is thrown. * *
expr ::= CONFIG '(' expr ',' word ')'*/ public final class ConfigFunction implements QueryFunction { public ConfigFunction() { } @Override public String getName() { return "config"; } @Override public int getMandatoryArguments() { return 2; } @Override public List