@Override
public CxxPreprocessorInput getCxxPreprocessorInput(
CxxPlatform cxxPlatform, HeaderVisibility headerVisibility)
throws NoSuchBuildTargetException {
CxxPreprocessorInput.Builder builder = CxxPreprocessorInput.builder();
switch (headerVisibility) {
case PUBLIC:
if (Preconditions.checkNotNull(hasHeaders.apply(cxxPlatform))) {
CxxPreprocessables.addHeaderSymlinkTree(
builder,
getBuildTarget(),
ruleResolver,
cxxPlatform.getFlavor(),
headerVisibility,
CxxPreprocessables.IncludeType.SYSTEM);
}
builder.putAllPreprocessorFlags(
Preconditions.checkNotNull(exportedPreprocessorFlags.apply(cxxPlatform)));
// Just pass the include dirs as system includes.
builder.addAllSystemIncludeRoots(
Iterables.transform(includeDirs, getProjectFilesystem().getAbsolutifier()));
return builder.build();
case PRIVATE:
return builder.build();
}
// We explicitly don't put this in a default statement because we
// want the compiler to warn if someone modifies the HeaderVisibility enum.
throw new RuntimeException("Invalid header visibility: " + headerVisibility);
}
/** Builds a {@link CxxPreprocessorInput} for a rule. */
public static CxxPreprocessorInput getCxxPreprocessorInput(
BuildRuleParams params,
BuildRuleResolver ruleResolver,
Flavor flavor,
HeaderVisibility headerVisibility,
IncludeType includeType,
Multimap<CxxSource.Type, String> exportedPreprocessorFlags,
Iterable<FrameworkPath> frameworks)
throws NoSuchBuildTargetException {
CxxPreprocessorInput.Builder builder =
addHeaderSymlinkTree(
CxxPreprocessorInput.builder(),
params.getBuildTarget(),
ruleResolver,
flavor,
headerVisibility,
includeType);
return builder
.putAllPreprocessorFlags(exportedPreprocessorFlags)
.addAllFrameworks(frameworks)
.build();
}
public static ImmutableList<CxxPreprocessorInput> collectCxxPreprocessorInput(
TargetGraph targetGraph,
BuildRuleParams params,
CxxPlatform cxxPlatform,
ImmutableMultimap<CxxSource.Type, String> preprocessorFlags,
ImmutableList<HeaderSymlinkTree> headerSymlinkTrees,
ImmutableSet<Path> frameworkSearchPaths,
Iterable<CxxPreprocessorInput> cxxPreprocessorInputFromDeps) {
// Add the private includes of any rules which list this rule as a test.
BuildTarget targetWithoutFlavor =
BuildTarget.of(params.getBuildTarget().getUnflavoredBuildTarget());
ImmutableList.Builder<CxxPreprocessorInput> cxxPreprocessorInputFromTestedRulesBuilder =
ImmutableList.builder();
for (BuildRule rule : params.getDeps()) {
if (rule instanceof NativeTestable) {
NativeTestable testable = (NativeTestable) rule;
if (testable.isTestedBy(targetWithoutFlavor)) {
LOG.debug(
"Adding private includes of tested rule %s to testing rule %s",
rule.getBuildTarget(), params.getBuildTarget());
cxxPreprocessorInputFromTestedRulesBuilder.add(
testable.getCxxPreprocessorInput(targetGraph, cxxPlatform, HeaderVisibility.PRIVATE));
}
}
}
ImmutableList<CxxPreprocessorInput> cxxPreprocessorInputFromTestedRules =
cxxPreprocessorInputFromTestedRulesBuilder.build();
LOG.verbose(
"Rules tested by target %s added private includes %s",
params.getBuildTarget(), cxxPreprocessorInputFromTestedRules);
ImmutableMap.Builder<Path, SourcePath> allLinks = ImmutableMap.builder();
ImmutableMap.Builder<Path, SourcePath> allFullLinks = ImmutableMap.builder();
ImmutableList.Builder<Path> allIncludeRoots = ImmutableList.builder();
ImmutableSet.Builder<Path> allHeaderMaps = ImmutableSet.builder();
for (HeaderSymlinkTree headerSymlinkTree : headerSymlinkTrees) {
allLinks.putAll(headerSymlinkTree.getLinks());
allFullLinks.putAll(headerSymlinkTree.getFullLinks());
allIncludeRoots.add(headerSymlinkTree.getIncludePath());
allHeaderMaps.addAll(headerSymlinkTree.getHeaderMap().asSet());
}
CxxPreprocessorInput localPreprocessorInput =
CxxPreprocessorInput.builder()
.addAllRules(Iterables.transform(headerSymlinkTrees, HasBuildTarget.TO_TARGET))
.putAllPreprocessorFlags(preprocessorFlags)
.setIncludes(
CxxHeaders.builder()
.putAllNameToPathMap(allLinks.build())
.putAllFullNameToPathMap(allFullLinks.build())
.build())
.addAllIncludeRoots(allIncludeRoots.build())
.addAllHeaderMaps(allHeaderMaps.build())
.addAllFrameworkRoots(frameworkSearchPaths)
.build();
return ImmutableList.<CxxPreprocessorInput>builder()
.add(localPreprocessorInput)
.addAll(cxxPreprocessorInputFromDeps)
.addAll(cxxPreprocessorInputFromTestedRules)
.build();
}
