| // Copyright 2019 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.collect.nestedset; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.devtools.build.lib.runtime.BlazeModule; |
| import com.google.devtools.build.lib.runtime.CommandEnvironment; |
| import com.google.devtools.common.options.Option; |
| import com.google.devtools.common.options.OptionDocumentationCategory; |
| import com.google.devtools.common.options.OptionEffectTag; |
| import com.google.devtools.common.options.OptionsBase; |
| |
| /** A {@link BlazeModule} handling options pertaining to {@link NestedSet}. */ |
| public class NestedSetOptionsModule extends BlazeModule { |
| |
| /** Command line options controlling the behavior of {@link NestedSet}. */ |
| public static final class Options extends OptionsBase { |
| @Option( |
| name = "nested_set_depth_limit", |
| defaultValue = "3500", |
| documentationCategory = OptionDocumentationCategory.STARLARK_SEMANTICS, |
| effectTags = {OptionEffectTag.LOADING_AND_ANALYSIS}, |
| help = |
| "Limit on the depth of NestedSet, which is the internal data structure used to " |
| + "implement `depset` in Starlark. If a depset is flattened during evaluation of " |
| + "Starlark code or a NestedSet is flattened internally, and that data structure " |
| + "has a depth exceeding this limit, then the Bazel invocation will fail.") |
| public int nestedSetDepthLimit; |
| } |
| |
| @Override |
| public void beforeCommand(CommandEnvironment env) { |
| Options options = env.getOptions().getOptions(Options.class); |
| boolean changed = NestedSet.setApplicationDepthLimit(options.nestedSetDepthLimit); |
| if (changed) { |
| env.getSkyframeExecutor().resetEvaluator(); |
| } |
| } |
| |
| @Override |
| public Iterable<Class<? extends OptionsBase>> getCommonCommandOptions() { |
| return ImmutableList.of(Options.class); |
| } |
| } |