/*
* Replace Placeholders for repeating annotations with their containers
*/
private <T extends Attribute.Compound> void complete(Annotate.AnnotateRepeatedContext<T> ctx) {
Log log = ctx.log;
Env<AttrContext> env = ctx.env;
JavaFileObject oldSource = log.useSource(env.toplevel.sourcefile);
try {
// TODO: can we reduce duplication in the following branches?
if (ctx.isTypeCompound) {
Assert.check(!isTypesEmpty());
if (isTypesEmpty()) {
return;
}
List<Attribute.TypeCompound> result = List.nil();
for (Attribute.TypeCompound a : getTypeAttributes()) {
if (a instanceof Placeholder) {
@SuppressWarnings("unchecked")
Placeholder<Attribute.TypeCompound> ph = (Placeholder<Attribute.TypeCompound>) a;
Attribute.TypeCompound replacement = replaceOne(ph, ph.getRepeatedContext());
if (null != replacement) {
result = result.prepend(replacement);
}
} else {
result = result.prepend(a);
}
}
type_attributes = result.reverse();
Assert.check(Annotations.this.getTypePlaceholders().isEmpty());
} else {
Assert.check(!pendingCompletion());
if (isEmpty()) {
return;
}
List<Attribute.Compound> result = List.nil();
for (Attribute.Compound a : getDeclarationAttributes()) {
if (a instanceof Placeholder) {
@SuppressWarnings("unchecked")
Attribute.Compound replacement = replaceOne((Placeholder<T>) a, ctx);
if (null != replacement) {
result = result.prepend(replacement);
}
} else {
result = result.prepend(a);
}
}
attributes = result.reverse();
Assert.check(Annotations.this.getPlaceholders().isEmpty());
}
} finally {
log.useSource(oldSource);
}
}
private Module loadModuleFromSource(String pkgName, LinkedList<JCCompilationUnit> moduleTrees) {
if (pkgName.isEmpty()) return null;
String moduleClassName = pkgName + ".module";
JavaFileObject fileObject;
try {
if (options.get(OptionName.VERBOSE) != null) {
Log.printLines(log.noticeWriter, "[Trying to load module " + moduleClassName + "]");
}
fileObject =
fileManager.getJavaFileForInput(
StandardLocation.SOURCE_PATH, moduleClassName, Kind.SOURCE);
if (options.get(OptionName.VERBOSE) != null) {
Log.printLines(log.noticeWriter, "[Got file object: " + fileObject + "]");
}
} catch (IOException e) {
e.printStackTrace();
return loadModuleFromSource(getParentPackage(pkgName), moduleTrees);
}
if (fileObject != null) {
CeylonCompilationUnit ceylonCompilationUnit = (CeylonCompilationUnit) parse(fileObject);
moduleTrees.add(ceylonCompilationUnit);
// parse the module info from there
Module module = ceylonCompilationUnit.phasedUnit.visitSrcModulePhase();
ceylonCompilationUnit.phasedUnit.visitRemainingModulePhase();
// now try to obtain the parsed module
if (module != null) {
ceylonCompilationUnit.phasedUnit.getPackage().setModule(module);
return module;
}
}
return loadModuleFromSource(getParentPackage(pkgName), moduleTrees);
}
public boolean hasNext() {
if (nextProc != null) return true;
else {
if (!names.hasNext()) return false;
else {
String processorName = names.next();
Processor processor;
try {
try {
processor = (Processor) (processorCL.loadClass(processorName).newInstance());
} catch (ClassNotFoundException cnfe) {
log.error("proc.processor.not.found", processorName);
return false;
} catch (ClassCastException cce) {
log.error("proc.processor.wrong.type", processorName);
return false;
} catch (Exception e) {
log.error("proc.processor.cant.instantiate", processorName);
return false;
}
} catch (ClientCodeException e) {
throw e;
} catch (Throwable t) {
throw new AnnotationProcessingError(t);
}
nextProc = processor;
return true;
}
}
}
/** Handle a security exception thrown during initializing the Processor iterator. */
private void handleException(String key, Exception e) {
if (e != null) {
log.error(key, e.getLocalizedMessage());
throw new Abort(e);
} else {
log.error(key);
throw new Abort();
}
}
public Processor next() {
try {
return (Processor) (iterator.next());
} catch (Throwable t) {
if ("ServiceConfigurationError".equals(t.getClass().getSimpleName())) {
log.error("proc.bad.config.file", t.getLocalizedMessage());
} else {
log.error("proc.processor.constructor.error", t.getLocalizedMessage());
}
throw new Abort(t);
}
}
/** Create the compiler to be used for the final compilation. */
JavaCompiler finalCompiler(boolean errorStatus) {
try {
JavaCompiler c = JavaCompiler.instance(nextContext());
c.log.nwarnings += compiler.log.nwarnings;
if (errorStatus) {
c.log.nerrors += compiler.log.nerrors;
}
return c;
} finally {
compiler.close(false);
}
}
/** Print a string that explains usage for X options. */
void xhelp() {
for (int i = 0; i < recognizedOptions.length; i++) {
recognizedOptions[i].xhelp(out);
}
out.println();
Log.printLines(out, getLocalizedString("msg.usage.nonstandard.footer"));
}
/** Print a string that explains usage. */
void help() {
Log.printLines(out, getLocalizedString("msg.usage.header", ownName));
for (int i = 0; i < recognizedOptions.length; i++) {
recognizedOptions[i].help(out);
}
out.println();
}
/** Print info about this round. */
private void printRoundInfo(boolean lastRound) {
if (printRounds || verbose) {
List<ClassSymbol> tlc = lastRound ? List.<ClassSymbol>nil() : topLevelClasses;
Set<TypeElement> ap = lastRound ? Collections.<TypeElement>emptySet() : annotationsPresent;
log.printNoteLines("x.print.rounds", number, "{" + tlc.toString(", ") + "}", ap, lastRound);
}
}
void setContext(Context context) {
log = Log.instance(context);
options = Options.instance(context);
lint = Lint.instance(context);
fsInfo = FSInfo.instance(context);
config = CompilerConfig.instance(context);
}
/** Construct a new compiler from a shared context. */
public AptJavaCompiler(Context context) {
super(preRegister(context));
context.put(compilerKey, this);
apt = Apt.instance(context);
ClassReader classReader = ClassReader.instance(context);
classReader.preferSource = true;
// TEMPORARY NOTE: bark==log, but while refactoring, we maintain their
// original identities, to remember the original intent.
log = Log.instance(context);
bark = Bark.instance(context);
Options options = Options.instance(context);
classOutput = options.get("-retrofit") == null;
nocompile = options.get("-nocompile") != null;
print = options.get("-print") != null;
classesAsDecls = options.get("-XclassesAsDecls") != null;
genSourceFileNames = new java.util.LinkedHashSet<String>();
genClassFileNames = new java.util.LinkedHashSet<String>();
// this forces a copy of the line map to be kept in the tree,
// for use by com.sun.mirror.util.SourcePosition.
lineDebugInfo = true;
}
public JavacProcessingEnvironment(Context context, Iterable<? extends Processor> processors) {
this.context = context;
log = Log.instance(context);
source = Source.instance(context);
diags = JCDiagnostic.Factory.instance(context);
options = Options.instance(context);
printProcessorInfo = options.isSet(XPRINTPROCESSORINFO);
printRounds = options.isSet(XPRINTROUNDS);
verbose = options.isSet(VERBOSE);
lint = Lint.instance(context).isEnabled(PROCESSING);
procOnly = options.isSet(PROC, "only") || options.isSet(XPRINT);
fatalErrors = options.isSet("fatalEnterError");
showResolveErrors = options.isSet("showResolveErrors");
werror = options.isSet(WERROR);
platformAnnotations = initPlatformAnnotations();
foundTypeProcessors = false;
// Initialize services before any processors are initialized
// in case processors use them.
filer = new JavacFiler(context);
messager = new JavacMessager(context, this);
elementUtils = JavacElements.instance(context);
typeUtils = JavacTypes.instance(context);
processorOptions = initProcessorOptions(context);
unmatchedProcessorOptions = initUnmatchedProcessorOptions();
messages = JavacMessages.instance(context);
initProcessorIterator(context, processors);
}
/**
* Process a single compound annotation, returning its Attribute. Used from MemberEnter for
* attaching the attributes to the annotated symbol.
*/
Attribute.Compound enterAnnotation(JCAnnotation a, Type expected, Env<AttrContext> env) {
// The annotation might have had its type attributed (but not checked)
// by attr.attribAnnotationTypes during MemberEnter, in which case we do not
// need to do it again.
Type at =
(a.annotationType.type != null
? a.annotationType.type
: attr.attribType(a.annotationType, env));
a.type = chk.checkType(a.annotationType.pos(), at, expected);
if (a.type.isErroneous())
return new Attribute.Compound(a.type, List.<Pair<MethodSymbol, Attribute>>nil());
if ((a.type.tsym.flags() & Flags.ANNOTATION) == 0) {
log.error(a.annotationType.pos(), "not.annotation.type", a.type.toString());
return new Attribute.Compound(a.type, List.<Pair<MethodSymbol, Attribute>>nil());
}
List<JCExpression> args = a.args;
if (args.length() == 1 && args.head.getTag() != JCTree.ASSIGN) {
// special case: elided "value=" assumed
args.head = make.at(args.head.pos).Assign(make.Ident(names.value), args.head);
}
ListBuffer<Pair<MethodSymbol, Attribute>> buf = new ListBuffer<Pair<MethodSymbol, Attribute>>();
for (List<JCExpression> tl = args; tl.nonEmpty(); tl = tl.tail) {
JCExpression t = tl.head;
if (t.getTag() != JCTree.ASSIGN) {
log.error(t.pos(), "annotation.value.must.be.name.value");
continue;
}
JCAssign assign = (JCAssign) t;
if (assign.lhs.getTag() != JCTree.IDENT) {
log.error(t.pos(), "annotation.value.must.be.name.value");
continue;
}
JCIdent left = (JCIdent) assign.lhs;
Symbol method =
rs.resolveQualifiedMethod(left.pos(), env, a.type, left.name, List.<Type>nil(), null);
left.sym = method;
left.type = method.type;
if (method.owner != a.type.tsym)
log.error(left.pos(), "no.annotation.member", left.name, a.type);
Type result = method.type.getReturnType();
Attribute value = enterAttributeValue(result, assign.rhs, env);
if (!method.type.isErroneous())
buf.append(new Pair<MethodSymbol, Attribute>((MethodSymbol) method, value));
t.type = result;
}
return new Attribute.Compound(a.type, buf.toList());
}
/** Create a round (common code). */
private Round(Context context, int number, int priorErrors, int priorWarnings) {
this.context = context;
this.number = number;
compiler = JavaCompiler.instance(context);
log = Log.instance(context);
log.nerrors = priorErrors;
log.nwarnings += priorWarnings;
log.deferDiagnostics = true;
// the following is for the benefit of JavacProcessingEnvironment.getContext()
JavacProcessingEnvironment.this.context = context;
// the following will be populated as needed
topLevelClasses = List.nil();
packageInfoFiles = List.nil();
}
/** Report a usage error. */
void error(String key, Object... args) {
if (fatalErrors) {
String msg = getLocalizedString(key, args);
throw new PropagatedException(new IllegalStateException(msg));
}
warning(key, args);
Log.printLines(out, getLocalizedString("msg.usage", ownName));
}
/**
* Convert import-style string for supported annotations into a regex matching that string. If the
* string is a valid import-style string, return a regex that won't match anything.
*/
private static Pattern importStringToPattern(String s, Processor p, Log log) {
if (isValidImportString(s)) {
return validImportStringToPattern(s);
} else {
log.warning("proc.malformed.supported.string", s, p.getClass().getName());
return noMatches; // won't match any valid identifier
}
}
void showDiagnostics(boolean showAll) {
Set<JCDiagnostic.Kind> kinds = EnumSet.allOf(JCDiagnostic.Kind.class);
if (!showAll) {
// suppress errors, which are all presumed to be transient resolve errors
kinds.remove(JCDiagnostic.Kind.ERROR);
}
log.reportDeferredDiagnostics(kinds);
}
public void visitTopLevel(JCCompilationUnit tree) {
JavaFileObject prev = log.useSource(tree.sourcefile);
boolean addEnv = false;
boolean isPkgInfo =
tree.sourcefile.isNameCompatible("package-info", JavaFileObject.Kind.SOURCE);
if (tree.pid != null) {
tree.packge = reader.enterPackage(TreeInfo.fullName(tree.pid));
if (tree.packageAnnotations.nonEmpty()) {
if (isPkgInfo) {
addEnv = true;
} else {
log.error(tree.packageAnnotations.head.pos(), "pkg.annotations.sb.in.package-info.java");
}
}
} else {
tree.packge = syms.unnamedPackage;
}
tree.packge.complete(); // Find all classes in package.
Env<AttrContext> env = topLevelEnv(tree);
// Save environment of package-info.java file.
if (isPkgInfo) {
Env<AttrContext> env0 = typeEnvs.get(tree.packge);
if (env0 == null) {
typeEnvs.put(tree.packge, env);
} else {
JCCompilationUnit tree0 = env0.toplevel;
if (!fileManager.isSameFile(tree.sourcefile, tree0.sourcefile)) {
log.warning(
tree.pid != null ? tree.pid.pos() : null, "pkg-info.already.seen", tree.packge);
if (addEnv
|| (tree0.packageAnnotations.isEmpty()
&& tree.docComments != null
&& tree.docComments.get(tree) != null)) {
typeEnvs.put(tree.packge, env);
}
}
}
}
classEnter(tree.defs, env);
if (addEnv) {
todo.append(env);
}
log.useSource(prev);
result = null;
}
private boolean callProcessor(
Processor proc, Set<? extends TypeElement> tes, RoundEnvironment renv) {
try {
return proc.process(tes, renv);
} catch (BadClassFile ex) {
log.error("proc.cant.access.1", ex.sym, ex.getDetailValue());
return false;
} catch (CompletionFailure ex) {
StringWriter out = new StringWriter();
ex.printStackTrace(new PrintWriter(out));
log.error("proc.cant.access", ex.sym, ex.getDetailValue(), out.toString());
return false;
} catch (ClientCodeException e) {
throw e;
} catch (Throwable t) {
throw new AnnotationProcessingError(t);
}
}
protected Operators(Context context) {
context.put(operatorsKey, this);
syms = Symtab.instance(context);
names = Names.instance(context);
log = Log.instance(context);
types = Types.instance(context);
initOperatorNames();
initUnaryOperators();
initBinaryOperators();
}
/** Construct a new module finder. */
protected ModuleFinder(Context context) {
context.put(moduleFinderKey, this);
names = Names.instance(context);
syms = Symtab.instance(context);
fileManager = context.get(JavaFileManager.class);
log = Log.instance(context);
classFinder = ClassFinder.instance(context);
diags = JCDiagnostic.Factory.instance(context);
}
public boolean hasNext() {
try {
return iterator.hasNext();
} catch (Throwable t) {
if ("ServiceConfigurationError".equals(t.getClass().getSimpleName())) {
log.error("proc.bad.config.file", t.getLocalizedMessage());
}
throw new Abort(t);
}
}
/**
* Checks whether or not a processor's source version is compatible with the compilation source
* version. The processor's source version needs to be greater than or equal to the source
* version of the compile.
*/
private void checkSourceVersionCompatibility(Source source, Log log) {
SourceVersion procSourceVersion = processor.getSupportedSourceVersion();
if (procSourceVersion.compareTo(Source.toSourceVersion(source)) < 0) {
log.warning(
"proc.processor.incompatible.source.version",
procSourceVersion,
processor.getClass().getName(),
source.name);
}
}
/** Report an operator lookup error. */
private Symbol reportErrorIfNeeded(DiagnosticPosition pos, Tag tag, Type... args) {
if (Stream.of(args).noneMatch(Type::isErroneous)) {
Name opName = operatorName(tag);
JCDiagnostic.Error opError =
(args.length) == 1
? Errors.OperatorCantBeApplied(opName, args[0])
: Errors.OperatorCantBeApplied1(opName, args[0], args[1]);
log.error(pos, opError);
}
return syms.noSymbol;
}
protected Annotate(Context context) {
context.put(annotateKey, this);
attr = Attr.instance(context);
make = TreeMaker.instance(context);
log = Log.instance(context);
syms = Symtab.instance(context);
names = Names.instance(context);
rs = Resolve.instance(context);
types = Types.instance(context);
cfolder = ConstFold.instance(context);
chk = Check.instance(context);
}
protected RichDiagnosticFormatter(Context context) {
super((AbstractDiagnosticFormatter) Log.instance(context).getDiagnosticFormatter());
setRichPrinter(new RichPrinter());
this.syms = Symtab.instance(context);
this.diags = JCDiagnostic.Factory.instance(context);
this.types = Types.instance(context);
this.messages = JavacMessages.instance(context);
whereClauses = new LinkedHashMap<WhereClauseKind, Map<Type, JCDiagnostic>>();
configuration = new RichConfiguration(Options.instance(context), formatter);
for (WhereClauseKind kind : WhereClauseKind.values())
whereClauses.put(kind, new LinkedHashMap<Type, JCDiagnostic>());
}
public static MethodSymbol resolveMethod(
VisitorState state,
TypeSymbol base,
Name name,
Iterable<Type> argTypes,
Iterable<Type> tyargTypes) {
Resolve resolve = Resolve.instance(state.context);
Enter enter = Enter.instance(state.context);
Log log = Log.instance(state.context);
DeferredDiagnosticHandler handler = new DeferredDiagnosticHandler(log);
try {
return resolve.resolveInternalMethod(
/*pos*/ null,
enter.getEnv(base),
base.type,
name,
com.sun.tools.javac.util.List.from(argTypes),
com.sun.tools.javac.util.List.from(tyargTypes));
} finally {
log.popDiagnosticHandler(handler);
}
}
private <T extends Attribute.Compound> T replaceOne(
Placeholder<T> placeholder, Annotate.AnnotateRepeatedContext<T> ctx) {
Log log = ctx.log;
// Process repeated annotations
T validRepeated = ctx.processRepeatedAnnotations(placeholder.getPlaceholderFor(), sym);
if (validRepeated != null) {
// Check that the container isn't manually
// present along with repeated instances of
// its contained annotation.
ListBuffer<T> manualContainer = ctx.annotated.get(validRepeated.type.tsym);
if (manualContainer != null) {
log.error(
ctx.pos.get(manualContainer.first()),
"invalid.repeatable.annotation.repeated.and.container.present",
manualContainer.first().type.tsym);
}
}
// A null return will delete the Placeholder
return validRepeated;
}
/**
* Main method: enter one class from a list of toplevel trees and place the rest on uncompleted
* for later processing.
*
* @param trees The list of trees to be processed.
* @param c The class symbol to be processed.
*/
public void complete(List<JCCompilationUnit> trees, ClassSymbol c) {
annotate.enterStart();
ListBuffer<ClassSymbol> prevUncompleted = uncompleted;
if (memberEnter.completionEnabled) uncompleted = new ListBuffer<ClassSymbol>();
try {
// enter all classes, and construct uncompleted list
classEnter(trees, null);
// complete all uncompleted classes in memberEnter
if (memberEnter.completionEnabled) {
while (uncompleted.nonEmpty()) {
ClassSymbol clazz = uncompleted.next();
if (c == null || c == clazz || prevUncompleted == null) clazz.complete();
else
// defer
prevUncompleted.append(clazz);
}
// if there remain any unimported toplevels (these must have
// no classes at all), process their import statements as well.
for (JCCompilationUnit tree : trees) {
if (tree.starImportScope.elems == null) {
JavaFileObject prev = log.useSource(tree.sourcefile);
Env<AttrContext> env = typeEnvs.get(tree);
if (env == null) env = topLevelEnv(tree);
memberEnter.memberEnter(tree, env);
log.useSource(prev);
}
}
}
} finally {
uncompleted = prevUncompleted;
annotate.enterDone();
}
}
private List<ModuleSymbol> scanModulePath(ModuleSymbol toFind) {
ListBuffer<ModuleSymbol> results = new ListBuffer<>();
Map<Name, Location> namesInSet = new HashMap<>();
while (moduleLocationIterator.hasNext()) {
Set<Location> locns = (moduleLocationIterator.next());
namesInSet.clear();
for (Location l : locns) {
try {
Name n = names.fromString(fileManager.inferModuleName(l));
if (namesInSet.put(n, l) == null) {
ModuleSymbol msym = syms.enterModule(n);
if (msym.sourceLocation != null || msym.classLocation != null) {
// module has already been found, so ignore this instance
continue;
}
if (moduleLocationIterator.outer == StandardLocation.MODULE_SOURCE_PATH) {
msym.sourceLocation = l;
if (fileManager.hasLocation(StandardLocation.CLASS_OUTPUT)) {
msym.classLocation =
fileManager.getLocationForModule(
StandardLocation.CLASS_OUTPUT, msym.name.toString());
}
} else {
msym.classLocation = l;
}
if (moduleLocationIterator.outer == StandardLocation.SYSTEM_MODULES
|| moduleLocationIterator.outer == StandardLocation.UPGRADE_MODULE_PATH) {
msym.flags_field |= Flags.SYSTEM_MODULE;
}
if (toFind == msym || toFind == null) {
// Note: cannot return msym directly, because we must finish
// processing this set first
results.add(msym);
}
} else {
log.error(
Errors.DuplicateModuleOnPath(getDescription(moduleLocationIterator.outer), n));
}
} catch (IOException e) {
// skip location for now? log error?
}
}
if (toFind != null && results.nonEmpty()) return results.toList();
}
return results.toList();
}