/**
* Compile hierarchies starting with each of the 'types' and return a ClassLoader that can be used
* to load the compiled classes.
*/
public ClassLoader compile(Type... types) {
ClassFilePreprocessor[] cfps = this.postprocessors.toArray(new ClassFilePreprocessor[0]);
DirectedClassLoader dcl = new DirectedClassLoader(cfps);
for (Type t : types) {
for (Map.Entry<String, File> each : compileHierarchy(t).entrySet()) {
dcl.setLocationFor(each.getKey(), each.getValue());
}
}
return dcl;
}
/**
* Compiles a hierarchy, starting at 'type' and return a mapping of the name to the location where
* the classfile for that type resides.
*/
private Map<String, File> compileHierarchy(Type type) {
HashMap<String, File> outputDirs = new HashMap<>();
File outDir = compileOne(type);
outputDirs.put(type.getName(), outDir);
Class superClass = type.getSuperclass();
if (superClass != null) {
for (Map.Entry<String, File> each : compileHierarchy(superClass).entrySet()) {
outputDirs.put(each.getKey(), each.getValue());
}
}
for (Extends ext : type.getSupertypes()) {
Type iface = ext.getType();
for (Map.Entry<String, File> each : compileHierarchy(iface).entrySet()) {
outputDirs.put(each.getKey(), each.getValue());
}
}
return outputDirs;
}
// Removes all of the elements in the cache and deletes the associated
// output directories. This may not actually empty the cache if there
// are concurrent users of it.
public static void purgeCache() {
for (Map.Entry<String, File> entry : cache.entrySet()) {
cache.remove(entry.getKey());
deleteDir(entry.getValue());
}
}
public static void addCompilationOptions(
List<String> options,
CompileContext context,
ModuleChunk chunk,
@Nullable ProcessorConfigProfile profile) {
if (!isEncodingSet(options)) {
final CompilerEncodingConfiguration config =
context.getProjectDescriptor().getEncodingConfiguration();
final String encoding = config.getPreferredModuleChunkEncoding(chunk);
if (config.getAllModuleChunkEncodings(chunk).size() > 1) {
final StringBuilder msgBuilder = new StringBuilder();
msgBuilder.append("Multiple encodings set for module chunk ").append(chunk.getName());
if (encoding != null) {
msgBuilder.append("\n\"").append(encoding).append("\" will be used by compiler");
}
context.processMessage(
new CompilerMessage(BUILDER_NAME, BuildMessage.Kind.INFO, msgBuilder.toString()));
}
if (!StringUtil.isEmpty(encoding)) {
options.add("-encoding");
options.add(encoding);
}
}
final String langLevel = getLanguageLevel(chunk.getModules().iterator().next());
if (!StringUtil.isEmpty(langLevel)) {
options.add("-source");
options.add(langLevel);
}
JpsJavaCompilerConfiguration compilerConfiguration =
JpsJavaExtensionService.getInstance()
.getOrCreateCompilerConfiguration(context.getProjectDescriptor().getProject());
String bytecodeTarget = null;
int chunkSdkVersion = -1;
for (JpsModule module : chunk.getModules()) {
final JpsSdk<JpsDummyElement> sdk = module.getSdk(JpsJavaSdkType.INSTANCE);
if (sdk != null) {
final int moduleSdkVersion = convertToNumber(sdk.getVersionString());
if (moduleSdkVersion != 0 /*could determine the version*/
&& (chunkSdkVersion < 0 || chunkSdkVersion > moduleSdkVersion)) {
chunkSdkVersion = moduleSdkVersion;
}
}
final String moduleTarget = compilerConfiguration.getByteCodeTargetLevel(module.getName());
if (moduleTarget == null) {
continue;
}
if (bytecodeTarget == null) {
bytecodeTarget = moduleTarget;
} else {
if (moduleTarget.compareTo(bytecodeTarget) < 0) {
bytecodeTarget =
moduleTarget; // use the lower possible target among modules that form the chunk
}
}
}
if (bytecodeTarget != null) {
options.add("-target");
options.add(bytecodeTarget);
} else {
if (chunkSdkVersion > 0 && getCompilerSdkVersion(context) > chunkSdkVersion) {
// force lower bytecode target level to match the version of sdk assigned to this chunk
options.add("-target");
options.add("1." + chunkSdkVersion);
}
}
if (profile != null && profile.isEnabled()) {
// configuring annotation processing
if (!profile.isObtainProcessorsFromClasspath()) {
final String processorsPath = profile.getProcessorPath();
options.add("-processorpath");
options.add(
processorsPath == null ? "" : FileUtil.toSystemDependentName(processorsPath.trim()));
}
final Set<String> processors = profile.getProcessors();
if (!processors.isEmpty()) {
options.add("-processor");
options.add(StringUtil.join(processors, ","));
}
for (Map.Entry<String, String> optionEntry : profile.getProcessorOptions().entrySet()) {
options.add("-A" + optionEntry.getKey() + "=" + optionEntry.getValue());
}
final File srcOutput =
ProjectPaths.getAnnotationProcessorGeneratedSourcesOutputDir(
chunk.getModules().iterator().next(), chunk.containsTests(), profile);
if (srcOutput != null) {
srcOutput.mkdirs();
options.add("-s");
options.add(srcOutput.getPath());
}
} else {
options.add("-proc:none");
}
}