@Override
protected void generate(AnnotationTypeDeclaration node) {
syncLineNumbers(node.getName()); // avoid doc-comment
String typeName = NameTable.getFullName(node);
printf("@implementation %s\n", typeName);
if (BindingUtil.isRuntimeAnnotation(Types.getTypeBinding(node))) {
List<AnnotationTypeMemberDeclaration> members = Lists.newArrayList();
for (BodyDeclaration decl : ASTUtil.getBodyDeclarations(node)) {
if (decl instanceof AnnotationTypeMemberDeclaration) {
members.add((AnnotationTypeMemberDeclaration) decl);
}
}
printAnnotationProperties(members);
if (!members.isEmpty()) {
printAnnotationConstructor(Types.getTypeBinding(node));
}
printAnnotationAccessors(members);
}
List<FieldDeclaration> fields = ASTUtil.getFieldDeclarations(node);
List<IVariableBinding> fieldsNeedingAccessors =
getStaticFieldsNeedingAccessors(fields, /* isInterface */ true);
printStaticVars(fields, /* isInterface */ true);
printStaticFieldAccessors(fieldsNeedingAccessors, Collections.<MethodDeclaration>emptyList());
println("- (IOSClass *)annotationType {");
printf(" return [IOSClass classWithProtocol:@protocol(%s)];\n", typeName);
println("}\n");
if (!Options.stripReflection()) {
printTypeAnnotationsMethod(node);
printMetadata(node);
}
println("@end\n");
}
private void printMethodsAndOcni(
AbstractTypeDeclaration typeNode,
Iterable<MethodDeclaration> methods,
Iterable<Comment> comments) {
Set<String> methodsPrinted = Sets.newHashSet();
Iterator<MethodDeclaration> methodsIter = methods.iterator();
Iterator<Comment> commentsIter = comments.iterator();
MethodDeclaration nextMethod = methodsIter.hasNext() ? methodsIter.next() : null;
Comment nextComment = commentsIter.hasNext() ? commentsIter.next() : null;
int minPos = 0;
while (nextMethod != null || nextComment != null) {
int methodStartPos = nextMethod != null ? nextMethod.getStartPosition() : Integer.MAX_VALUE;
if (methodStartPos < 0) {
methodStartPos = minPos;
}
int commentStartPos =
nextComment != null ? nextComment.getStartPosition() : Integer.MAX_VALUE;
if (methodStartPos < commentStartPos) {
assert nextMethod != null;
printMethod(nextMethod);
minPos = methodStartPos + nextMethod.getLength();
nextMethod = methodsIter.hasNext() ? methodsIter.next() : null;
} else {
assert nextComment != null;
if (commentStartPos > minPos) {
String nativeCode = extractNativeCode(commentStartPos, nextComment.getLength());
if (nativeCode != null) {
nativeCode = reindent(nativeCode.trim());
findMethodSignatures(nativeCode, methodsPrinted);
print(nativeCode + "\n\n");
}
}
nextComment = commentsIter.hasNext() ? commentsIter.next() : null;
}
}
// If the type implements Iterable and there's no existing implementation
// for NSFastEnumeration's protocol method, then add the default
// implementation.
if (BindingUtil.findInterface(Types.getTypeBinding(typeNode), "java.lang.Iterable") != null
&& !methodsPrinted.contains("countByEnumeratingWithState:objects:count:")) {
print(
"- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state "
+ "objects:(__unsafe_unretained id *)stackbuf count:(NSUInteger)len {\n"
+ " return JreDefaultFastEnumeration(self, state, stackbuf, len);\n}\n\n");
}
}
private void printMethods(TypeDeclaration node) {
printMethodsAndOcni(node, Arrays.asList(node.getMethods()), blockComments.get(node));
// If node implements CharSequence, add forwarding method from the
// sequenceDescription method to description (toString()). See
// JavaToIOSMethodTranslator.loadCharSequenceMethods() for details.
ITypeBinding binding = Types.getTypeBinding(node);
for (ITypeBinding interfaze : binding.getInterfaces()) {
if (interfaze.getQualifiedName().equals("java.lang.CharSequence")) {
println("- (NSString *)description {\n return [self sequenceDescription];\n}\n");
}
}
List<VariableDeclarationFragment> properties = getProperties(node.getFields());
if (properties.size() > 0) {
printStrongReferencesMethod(properties);
}
}
private void printAnnotationAccessors(List<AnnotationTypeMemberDeclaration> members) {
int nPrinted = 0;
for (AnnotationTypeMemberDeclaration member : members) {
Expression deflt = member.getDefault();
if (deflt != null) {
ITypeBinding type = Types.getTypeBinding(member.getType());
String typeString = NameTable.getSpecificObjCType(type);
String propertyName = NameTable.getName(member.getName());
printf("+ (%s)%sDefault {\n", typeString, propertyName);
printf(" return %s;\n", generateExpression(deflt));
println("}\n");
nPrinted++;
}
}
if (nPrinted > 0) {
newline();
}
}
private void printAnnotations(List<Annotation> runtimeAnnotations) {
boolean first = true;
for (Annotation annotation : runtimeAnnotations) {
if (first) {
first = false;
} else {
print(", ");
}
if (Options.useReferenceCounting()) {
print('[');
}
printf("[[%s alloc] init", NameTable.getFullName(Types.getTypeBinding(annotation)));
printAnnotationParameters(annotation);
print(']');
if (Options.useReferenceCounting()) {
print(" autorelease]");
}
}
}
// Returns whether the property is a strong reference.
private boolean isStrongReferenceProperty(VariableDeclarationFragment property) {
IVariableBinding varBinding = Types.getVariableBinding(property);
ITypeBinding type = Types.getTypeBinding(property);
return !type.isPrimitive() && !BindingUtil.isWeakReference(varBinding);
}