| // Copyright 2015 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.apple; |
| |
| import static com.google.devtools.build.lib.packages.Attribute.attr; |
| import static com.google.devtools.build.lib.packages.BuildType.LABEL; |
| import static com.google.devtools.build.lib.packages.BuildType.LABEL_LIST; |
| |
| 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; |
| |
| /** Rule definition for {@code available_xcodes} rule. */ |
| public class AvailableXcodesRule implements RuleDefinition { |
| |
| static final String DEFAULT_ATTR_NAME = "default"; |
| static final String VERSIONS_ATTR_NAME = "versions"; |
| |
| @Override |
| public RuleClass build(RuleClass.Builder builder, RuleDefinitionEnvironment env) { |
| return builder |
| .requiresConfigurationFragments(AppleConfiguration.class) |
| .exemptFromConstraintChecking( |
| "this rule refines configuration variables and does not build actual content") |
| /* <!-- #BLAZE_RULE(available_xcodes).ATTRIBUTE(versions) --> |
| The xcode versions that are available on this platform. |
| <!-- #END_BLAZE_RULE.ATTRIBUTE --> */ |
| .add( |
| attr(DEFAULT_ATTR_NAME, LABEL) |
| .allowedRuleClasses("xcode_version") |
| .allowedFileTypes() |
| .mandatory() |
| .nonconfigurable("this rule determines configuration")) |
| /* <!-- #BLAZE_RULE(available_xcodes).ATTRIBUTE(default) --> |
| The default xcode version for this platform. |
| <!-- #END_BLAZE_RULE.ATTRIBUTE --> */ |
| .add( |
| attr(VERSIONS_ATTR_NAME, LABEL_LIST) |
| .allowedRuleClasses("xcode_version") |
| .allowedFileTypes() |
| .nonconfigurable("this rule determines configuration")) |
| .build(); |
| } |
| |
| @Override |
| public Metadata getMetadata() { |
| return RuleDefinition.Metadata.builder() |
| .name("available_xcodes") |
| .ancestors(BaseRuleClasses.BaseRule.class) |
| .factoryClass(AvailableXcodes.class) |
| .build(); |
| } |
| } |
| |
| /*<!-- #BLAZE_RULE (NAME = available_xcodes, TYPE = OTHER, FAMILY = Workspace)[GENERIC_RULE] --> |
| |
| <p>Two targets of this rule can be depended on by an <code>xcode_config</code> rule instance to |
| indicate the remotely and locally available xcode versions. |
| This allows selection of an official xcode version from the collectively available xcodes.</p> |
| |
| <!-- #END_BLAZE_RULE -->*/ |