@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);
}
/**
* @return adds a the header {@link SymlinkTree} for the given rule to the {@link
* CxxPreprocessorInput}.
*/
public static CxxPreprocessorInput.Builder addHeaderSymlinkTree(
CxxPreprocessorInput.Builder builder,
BuildTarget target,
BuildRuleResolver ruleResolver,
Flavor flavor,
HeaderVisibility headerVisibility,
IncludeType includeType)
throws NoSuchBuildTargetException {
BuildRule rule =
ruleResolver.requireRule(
BuildTarget.builder(target)
.addFlavors(
flavor, CxxDescriptionEnhancer.getHeaderSymlinkTreeFlavor(headerVisibility))
.build());
Preconditions.checkState(
rule instanceof HeaderSymlinkTree,
"Attempt to add %s of type %s and class %s to %s",
rule.getFullyQualifiedName(),
rule.getType(),
rule.getClass(),
target);
HeaderSymlinkTree symlinkTree = (HeaderSymlinkTree) rule;
builder
.addRules(symlinkTree.getBuildTarget())
.setIncludes(
CxxHeaders.builder()
.setNameToPathMap(ImmutableSortedMap.copyOf(symlinkTree.getLinks()))
.setFullNameToPathMap(ImmutableSortedMap.copyOf(symlinkTree.getFullLinks()))
.build());
switch (includeType) {
case LOCAL:
builder.addIncludeRoots(symlinkTree.getIncludePath());
builder.addAllHeaderMaps(symlinkTree.getHeaderMap().asSet());
break;
case SYSTEM:
builder.addSystemIncludeRoots(symlinkTree.getSystemIncludePath());
break;
}
return builder;
}
/** 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();
}
