public static void main(String... args) throws IOException {
JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
String srcdir = System.getProperty("test.src");
File file = new File(srcdir, args[0]);
JavacTaskImpl task = getTask(tool, file);
for (TypeElement clazz : task.enter(task.parse())) System.out.println(clazz.getSimpleName());
}
/**
* Get the context for the next round of processing. Important values are propogated from round
* to round; other values are implicitly reset.
*/
private Context nextContext() {
Context next = new Context(context);
Options options = Options.instance(context);
Assert.checkNonNull(options);
next.put(Options.optionsKey, options);
PrintWriter out = context.get(Log.outKey);
Assert.checkNonNull(out);
next.put(Log.outKey, out);
Locale locale = context.get(Locale.class);
if (locale != null) next.put(Locale.class, locale);
Assert.checkNonNull(messages);
next.put(JavacMessages.messagesKey, messages);
final boolean shareNames = true;
if (shareNames) {
Names names = Names.instance(context);
Assert.checkNonNull(names);
next.put(Names.namesKey, names);
}
DiagnosticListener<?> dl = context.get(DiagnosticListener.class);
if (dl != null) next.put(DiagnosticListener.class, dl);
TaskListener tl = context.get(TaskListener.class);
if (tl != null) next.put(TaskListener.class, tl);
FSInfo fsInfo = context.get(FSInfo.class);
if (fsInfo != null) next.put(FSInfo.class, fsInfo);
JavaFileManager jfm = context.get(JavaFileManager.class);
Assert.checkNonNull(jfm);
next.put(JavaFileManager.class, jfm);
if (jfm instanceof JavacFileManager) {
((JavacFileManager) jfm).setContext(next);
}
Names names = Names.instance(context);
Assert.checkNonNull(names);
next.put(Names.namesKey, names);
Keywords keywords = Keywords.instance(context);
Assert.checkNonNull(keywords);
next.put(Keywords.keywordsKey, keywords);
JavaCompiler oldCompiler = JavaCompiler.instance(context);
JavaCompiler nextCompiler = JavaCompiler.instance(next);
nextCompiler.initRound(oldCompiler);
filer.newRound(next);
messager.newRound(next);
elementUtils.setContext(next);
typeUtils.setContext(next);
JavacTaskImpl task = context.get(JavacTaskImpl.class);
if (task != null) {
next.put(JavacTaskImpl.class, task);
task.updateContext(next);
}
JavacTrees trees = context.get(JavacTrees.class);
if (trees != null) {
next.put(JavacTrees.class, trees);
trees.updateContext(next);
}
context.clear();
return next;
}
public ExitState call2() {
super.call();
return getExitState();
}
void createSymbols() throws IOException {
Set<String> legacy = getLegacyPackages();
Set<String> legacyProprietary = getLegacyPackages();
Set<String> documented = new HashSet<String>();
Set<PackageSymbol> packages =
((JavacProcessingEnvironment) processingEnv).getSpecifiedPackages();
String jarName = processingEnv.getOptions().get("com.sun.tools.javac.sym.Jar");
if (jarName == null)
throw new RuntimeException("Must use -Acom.sun.tools.javac.sym.Jar=LOCATION_OF_JAR");
String destName = processingEnv.getOptions().get("com.sun.tools.javac.sym.Dest");
if (destName == null)
throw new RuntimeException("Must use -Acom.sun.tools.javac.sym.Dest=LOCATION_OF_JAR");
for (PackageSymbol psym : packages) {
String name = psym.getQualifiedName().toString();
legacyProprietary.remove(name);
documented.add(name);
}
JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
Location jarLocation = StandardLocation.locationFor(jarName);
File jarFile = new File(jarName);
fm.setLocation(jarLocation, List.of(jarFile));
fm.setLocation(StandardLocation.CLASS_PATH, List.<File>nil());
fm.setLocation(StandardLocation.SOURCE_PATH, List.<File>nil());
{
ArrayList<File> bootClassPath = new ArrayList<File>();
bootClassPath.add(jarFile);
for (File path : fm.getLocation(StandardLocation.PLATFORM_CLASS_PATH)) {
if (!new File(path.getName()).equals(new File("rt.jar"))) bootClassPath.add(path);
}
System.err.println("Using boot class path = " + bootClassPath);
fm.setLocation(StandardLocation.PLATFORM_CLASS_PATH, bootClassPath);
}
// System.out.println(fm.getLocation(StandardLocation.PLATFORM_CLASS_PATH));
File destDir = new File(destName);
if (!destDir.exists())
if (!destDir.mkdirs()) throw new RuntimeException("Could not create " + destDir);
fm.setLocation(StandardLocation.CLASS_OUTPUT, List.of(destDir));
Set<String> hiddenPackages = new HashSet<String>();
Set<String> crisp = new HashSet<String>();
List<String> options = List.of("-XDdev");
// options = options.prepend("-doe");
// options = options.prepend("-verbose");
JavacTaskImpl task = (JavacTaskImpl) tool.getTask(null, fm, null, options, null, null);
com.sun.tools.javac.main.JavaCompiler compiler =
com.sun.tools.javac.main.JavaCompiler.instance(task.getContext());
ClassReader reader = ClassReader.instance(task.getContext());
ClassWriter writer = ClassWriter.instance(task.getContext());
Symtab syms = Symtab.instance(task.getContext());
Attribute.Compound proprietary =
new Attribute.Compound(
syms.proprietaryType, List.<Pair<Symbol.MethodSymbol, Attribute>>nil());
Type.moreInfo = true;
Pool pool = new Pool();
for (JavaFileObject file : fm.list(jarLocation, "", EnumSet.of(CLASS), true)) {
String className = fm.inferBinaryName(jarLocation, file);
int index = className.lastIndexOf('.');
String pckName = index == -1 ? "" : className.substring(0, index);
boolean addLegacyAnnotation = false;
if (documented.contains(pckName)) {
if (!legacy.contains(pckName)) crisp.add(pckName);
// System.out.println("Documented: " + className);
} else if (legacyProprietary.contains(pckName)) {
addLegacyAnnotation = true;
// System.out.println("Legacy proprietary: " + className);
} else {
// System.out.println("Hidden " + className);
hiddenPackages.add(pckName);
continue;
}
TypeSymbol sym = (TypeSymbol) compiler.resolveIdent(className);
if (sym.kind != Kinds.TYP) {
if (className.indexOf('$') < 0) {
System.err.println("Ignoring (other) " + className + " : " + sym);
System.err.println(" " + sym.getClass().getSimpleName() + " " + sym.type);
}
continue;
}
sym.complete();
if (sym.getEnclosingElement().getKind() != ElementKind.PACKAGE) {
System.err.println("Ignoring (bad) " + sym.getQualifiedName());
continue;
}
ClassSymbol cs = (ClassSymbol) sym;
if (addLegacyAnnotation) {
cs.attributes_field =
(cs.attributes_field == null)
? List.of(proprietary)
: cs.attributes_field.prepend(proprietary);
}
writeClass(pool, cs, writer);
}
if (false) {
for (String pckName : crisp) System.out.println("Crisp: " + pckName);
for (String pckName : hiddenPackages) System.out.println("Hidden: " + pckName);
for (String pckName : legacyProprietary) System.out.println("Legacy proprietary: " + pckName);
for (String pckName : documented) System.out.println("Documented: " + pckName);
}
}