| /* |
| * 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.language.semantics; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.repackaged.devtools.build.lib.query2.proto.proto2api.Build; |
| import java.io.Serializable; |
| import javax.annotation.Nullable; |
| |
| /** |
| * Specification of the BUILD language, as provided by "blaze info build-language". |
| * |
| * <p>This constitutes a set of rules, along with their supported attributes, and other useful |
| * information. We query this once per blaze workspace (it won't change unless the blaze binary is |
| * also changed). |
| * |
| * <p>This rule list is not exhaustive; it's intended to give information about known rules, not |
| * enumerate all possibilities. |
| */ |
| public class BuildLanguageSpec implements Serializable { |
| |
| public static BuildLanguageSpec fromProto(Build.BuildLanguage proto) { |
| ImmutableMap.Builder<String, RuleDefinition> builder = ImmutableMap.builder(); |
| for (Build.RuleDefinition rule : proto.getRuleList()) { |
| builder.put(rule.getName(), RuleDefinition.fromProto(rule)); |
| } |
| return new BuildLanguageSpec(builder.build()); |
| } |
| |
| public final ImmutableMap<String, RuleDefinition> rules; |
| |
| @VisibleForTesting |
| public BuildLanguageSpec(ImmutableMap<String, RuleDefinition> rules) { |
| this.rules = rules; |
| } |
| |
| public ImmutableSet<String> getKnownRuleNames() { |
| return rules.keySet(); |
| } |
| |
| public boolean hasRule(@Nullable String ruleName) { |
| return getRule(ruleName) != null; |
| } |
| |
| @Nullable |
| public RuleDefinition getRule(@Nullable String ruleName) { |
| return ruleName != null ? rules.get(ruleName) : null; |
| } |
| } |