// Copyright 2014 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.ImmutableList; import com.google.common.collect.Iterables; import com.google.devtools.build.lib.actions.Artifact; import com.google.devtools.build.lib.analysis.config.BuildConfiguration; import com.google.devtools.build.lib.analysis.configuredtargets.RuleConfiguredTarget.Mode; import com.google.devtools.build.lib.cmdline.Label; import com.google.devtools.build.lib.collect.nestedset.NestedSet; import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder; import com.google.devtools.build.lib.collect.nestedset.Order; import com.google.devtools.build.lib.packages.BuildType; import com.google.devtools.build.lib.packages.Info; import com.google.devtools.build.lib.packages.NativeProvider; import com.google.devtools.build.lib.packages.TriState; import com.google.devtools.build.lib.vfs.PathFragment; /** * Utility functions for use during analysis. */ public final class AnalysisUtils { private AnalysisUtils() { throw new IllegalStateException(); // utility class } /** * Returns whether link stamping is enabled for a rule. * *
This returns false for unstampable rule classes and for rules in the
* host configuration. Otherwise it returns the value of the stamp attribute,
* or of the stamp option if the attribute value is -1.
*/
public static boolean isStampingEnabled(RuleContext ruleContext, BuildConfiguration config) {
if (config.isHostConfiguration()
|| !ruleContext.attributes().has("stamp", BuildType.TRISTATE)) {
return false;
}
TriState stamp = ruleContext.attributes().get("stamp", BuildType.TRISTATE);
return stamp == TriState.YES || (stamp == TriState.AUTO && config.stampBinaries());
}
public static boolean isStampingEnabled(RuleContext ruleContext) {
return isStampingEnabled(ruleContext, ruleContext.getConfiguration());
}
// TODO(bazel-team): These need Iterable extends TransitiveInfoCollection> because they need to
// be called with Iterable For example "//pkg:target" -> "pkg/<fragment>/target.
*/
public static PathFragment getUniqueDirectory(Label label, PathFragment fragment) {
return label.getPackageIdentifier().getSourceRoot().getRelative(fragment)
.getRelative(label.getName());
}
/**
* Checks that the given provider class either refers to an interface or to a value class.
*/
public static Iterable
filterByProvider(Iterable prerequisites, final Class Iterable filterByProvider(
Iterable prerequisites, final NativeProvider