| // 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.devtools.build.lib.analysis; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.events.Location; |
| import com.google.devtools.build.lib.packages.BuiltinProvider; |
| import com.google.devtools.build.lib.packages.NativeInfo; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; |
| import com.google.devtools.build.lib.skylarkbuildapi.TemplateVariableInfoApi; |
| import com.google.devtools.build.lib.syntax.Dict; |
| import com.google.devtools.build.lib.syntax.EvalException; |
| import java.util.Map; |
| |
| /** Provides access to make variables from the current fragments. */ |
| @Immutable |
| @AutoCodec |
| public final class TemplateVariableInfo extends NativeInfo implements TemplateVariableInfoApi { |
| /** Provider singleton constant. */ |
| public static final BuiltinProvider<TemplateVariableInfo> PROVIDER = new Provider(); |
| |
| /** Provider for {@link TemplateVariableInfo} objects. */ |
| private static class Provider extends BuiltinProvider<TemplateVariableInfo> |
| implements TemplateVariableInfoApi.Provider { |
| private Provider() { |
| super(NAME, TemplateVariableInfo.class); |
| } |
| |
| @Override |
| public TemplateVariableInfo templateVariableInfo(Dict<?, ?> vars, Location loc) |
| throws EvalException { |
| Map<String, String> varsMap = |
| Dict.castSkylarkDictOrNoneToDict(vars, String.class, String.class, "vars"); |
| return new TemplateVariableInfo(ImmutableMap.copyOf(varsMap), loc); |
| } |
| } |
| |
| private final ImmutableMap<String, String> variables; |
| |
| @AutoCodec.Instantiator |
| public TemplateVariableInfo(ImmutableMap<String, String> variables, Location location) { |
| super(PROVIDER, ImmutableMap.of(), location); |
| this.variables = variables; |
| } |
| |
| @Override |
| public ImmutableMap<String, String> getVariables() { |
| return variables; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| return other == this; |
| } |
| |
| @Override |
| public int hashCode() { |
| return System.identityHashCode(this); |
| } |
| } |