@NotNull
public static Collection<FqName> getTopLevelFunctionFqNames(
@NotNull Project project, @NotNull GlobalSearchScope scope, boolean shouldBeExtension) {
Collection<FqName> result = Sets.newHashSet();
Collection<PsiClass> packageClasses =
getClassesByAnnotation(KotlinPackage.class.getSimpleName(), project, scope);
for (PsiClass psiClass : packageClasses) {
String qualifiedName = psiClass.getQualifiedName();
if (qualifiedName == null) {
continue;
}
FqName packageFqName = new FqName(qualifiedName).parent();
PackageData data = getPackageData(psiClass);
if (data == null) {
continue;
}
NameResolver nameResolver = data.getNameResolver();
for (ProtoBuf.Callable callable : data.getPackageProto().getMemberList()) {
if (callable.hasReceiverType() == shouldBeExtension) {
Name name = nameResolver.getName(callable.getName());
result.add(packageFqName.child(name));
}
}
}
return result;
}
/**
* Get names that could have jet descriptor equivalents. It could be inaccurate and return more
* results than necessary.
*/
static Collection<String> getPossiblePackageDeclarationsNames(
Project project, GlobalSearchScope scope) {
Collection<String> result = new ArrayList<String>();
for (PsiClass packageClass : getClassesForKotlinPackages(project, scope)) {
for (PsiMethod psiMethod : packageClass.getMethods()) {
if (psiMethod.getModifierList().hasModifierProperty(PsiModifier.STATIC)) {
result.add(psiMethod.getName());
}
}
}
return result;
}
@Nullable
static FqName getJetTopLevelDeclarationFQN(@NotNull PsiMethod method) {
PsiClass containingClass = method.getContainingClass();
if (containingClass != null) {
String qualifiedName = containingClass.getQualifiedName();
assert qualifiedName != null;
FqName classFQN = new FqName(qualifiedName);
if (JavaResolverPsiUtils.isCompiledKotlinPackageClass(containingClass)) {
FqName classParentFQN = QualifiedNamesUtil.withoutLastSegment(classFQN);
return QualifiedNamesUtil.combine(classParentFQN, Name.identifier(method.getName()));
}
}
return null;
}
static Collection<PsiClass> getCompiledClassesForTopLevelObjects(
Project project, GlobalSearchScope scope) {
Set<PsiClass> jetObjectClasses = Sets.newHashSet();
Collection<PsiClass> classesByAnnotation =
getClassesByAnnotation(KotlinClass.class.getSimpleName(), project, scope);
for (PsiClass psiClass : classesByAnnotation) {
ClassKind kind = getCompiledClassKind(psiClass);
if (kind == null) {
continue;
}
if (psiClass.getContainingClass() == null && kind == ClassKind.OBJECT) {
jetObjectClasses.add(psiClass);
}
}
return jetObjectClasses;
}
@Nullable
private static String[] getAnnotationDataForKotlinClass(@NotNull PsiClass psiClass) {
VirtualFile virtualFile = getVirtualFileForPsiClass(psiClass);
if (virtualFile != null) {
KotlinJvmBinaryClass kotlinClass =
VirtualFileFinder.SERVICE
.getInstance(psiClass.getProject())
.createKotlinClass(virtualFile);
KotlinClassHeader header = kotlinClass.getClassHeader();
if (header != null) {
return header.getAnnotationData();
}
}
return null;
}
// TODO: common utility
// TODO: doesn't work for inner classes and stuff
@Nullable
private static VirtualFile getVirtualFileForPsiClass(@NotNull PsiClass psiClass) {
PsiFile psiFile = psiClass.getContainingFile();
return psiFile == null ? null : psiFile.getVirtualFile();
}