| // 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.rules.cpp; |
| |
| import static com.google.devtools.build.lib.packages.Attribute.attr; |
| import static com.google.devtools.build.lib.packages.BuildType.LABEL; |
| |
| import com.google.devtools.build.lib.analysis.BaseRuleClasses; |
| import com.google.devtools.build.lib.analysis.RuleDefinition; |
| import com.google.devtools.build.lib.analysis.RuleDefinitionEnvironment; |
| import com.google.devtools.build.lib.packages.RuleClass; |
| import com.google.devtools.build.lib.syntax.Type; |
| import com.google.devtools.build.lib.util.FileType; |
| import com.google.devtools.build.lib.util.FileTypeSet; |
| |
| /** {@code fdo_prefetch_hints} rule class. */ |
| public final class FdoPrefetchHintsRule implements RuleDefinition { |
| @Override |
| public RuleClass build(RuleClass.Builder builder, RuleDefinitionEnvironment env) { |
| return builder |
| .requiresConfigurationFragments(CppConfiguration.class) |
| /* <!-- #BLAZE_RULE(fdo_prefetch_hints).ATTRIBUTE(profile) --> |
| Label of the hints profile. The hints file has the .afdo extension |
| The label can also point to an fdo_absolute_path_profile rule. |
| <!-- #END_BLAZE_RULE.ATTRIBUTE --> */ |
| .add( |
| attr("profile", LABEL) |
| .allowedFileTypes( |
| FileTypeSet.of( |
| FileType.of(".afdo"))) |
| .singleArtifact()) |
| /* <!-- #BLAZE_RULE(fdo_profile).ATTRIBUTE(absolute_path_profile) --> |
| Absolute path to the FDO profile. The FDO file may only have the .afdo extension. |
| <!-- #END_BLAZE_RULE.ATTRIBUTE --> */ |
| .add(attr("absolute_path_profile", Type.STRING)) |
| .advertiseProvider(FdoPrefetchHintsProvider.class) |
| .build(); |
| } |
| |
| @Override |
| public Metadata getMetadata() { |
| return RuleDefinition.Metadata.builder() |
| .name("fdo_prefetch_hints") |
| .ancestors(BaseRuleClasses.BaseRule.class) |
| .factoryClass(FdoPrefetchHints.class) |
| .build(); |
| } |
| } |
| |
| /*<!-- #BLAZE_RULE (NAME = fdo_prefetch_hints, TYPE = LIBRARY, FAMILY = C / C++) --> |
| |
| <p>Represents an FDO prefetch hints profile that is either in the workspace or at a specified |
| absolute path. |
| Examples:</p> |
| |
| <pre class="code"> |
| fdo_prefetch_hints( |
| name = "hints", |
| profile = "//path/to/hints:profile.afdo", |
| ) |
| |
| fdo_profile( |
| name = "hints_abs", |
| absolute_path_profile = "/absolute/path/profile.afdo", |
| ) |
| </pre> |
| <!-- #END_BLAZE_RULE -->*/ |