@NotNull
public static Modality resolveModalityFromModifiers(
@Nullable JetModifierList modifierList, @NotNull Modality defaultModality) {
if (modifierList == null) return defaultModality;
boolean hasAbstractModifier = modifierList.hasModifier(ABSTRACT_KEYWORD);
boolean hasOverrideModifier = modifierList.hasModifier(OVERRIDE_KEYWORD);
if (modifierList.hasModifier(SEALED_KEYWORD)) {
return Modality.SEALED;
}
if (modifierList.hasModifier(OPEN_KEYWORD)) {
if (hasAbstractModifier || defaultModality == Modality.ABSTRACT) {
return Modality.ABSTRACT;
}
return Modality.OPEN;
}
if (hasAbstractModifier) {
return Modality.ABSTRACT;
}
boolean hasFinalModifier = modifierList.hasModifier(FINAL_KEYWORD);
if (hasOverrideModifier && !hasFinalModifier && !(defaultModality == Modality.ABSTRACT)) {
return Modality.OPEN;
}
if (hasFinalModifier) {
return Modality.FINAL;
}
return defaultModality;
}
public static Visibility resolveVisibilityFromModifiers(
@Nullable JetModifierList modifierList, @NotNull Visibility defaultVisibility) {
if (modifierList == null) return defaultVisibility;
if (modifierList.hasModifier(PRIVATE_KEYWORD)) return Visibilities.PRIVATE;
if (modifierList.hasModifier(PUBLIC_KEYWORD)) return Visibilities.PUBLIC;
if (modifierList.hasModifier(PROTECTED_KEYWORD)) return Visibilities.PROTECTED;
if (modifierList.hasModifier(INTERNAL_KEYWORD)) return Visibilities.INTERNAL;
return defaultVisibility;
}
@NotNull
public Map<JetModifierKeywordToken, PsiElement> getTokensCorrespondingToModifiers(
@NotNull JetModifierList modifierList,
@NotNull Collection<JetModifierKeywordToken> possibleModifiers) {
Map<JetModifierKeywordToken, PsiElement> tokens = Maps.newHashMap();
for (JetModifierKeywordToken modifier : possibleModifiers) {
if (modifierList.hasModifier(modifier)) {
tokens.put(modifier, modifierList.getModifier(modifier));
}
}
return tokens;
}
public static boolean isDeprecated(@NotNull JetModifierListOwner owner) {
JetModifierList modifierList = owner.getModifierList();
if (modifierList != null) {
List<JetAnnotationEntry> annotationEntries = modifierList.getAnnotationEntries();
for (JetAnnotationEntry annotation : annotationEntries) {
Name shortName = getShortName(annotation);
if (KotlinBuiltIns.getInstance().getDeprecatedAnnotation().getName().equals(shortName)) {
return true;
}
}
}
return false;
}
@Nullable
public static JetModifierList replaceModifierList(
@NotNull JetModifierListOwner owner, @Nullable JetModifierList modifierList) {
JetModifierList oldModifierList = owner.getModifierList();
if (modifierList == null) {
if (oldModifierList != null) oldModifierList.delete();
return null;
} else {
if (oldModifierList == null) {
PsiElement firstChild = owner.getFirstChild();
return (JetModifierList) owner.addBefore(modifierList, firstChild);
} else {
return (JetModifierList) oldModifierList.replace(modifierList);
}
}
}
private void checkTraitModifiers(JetClass aClass) {
reportErrorIfHasIllegalModifier(aClass);
JetModifierList modifierList = aClass.getModifierList();
if (modifierList == null) return;
if (modifierList.hasModifier(JetTokens.FINAL_KEYWORD)) {
trace.report(Errors.TRAIT_CAN_NOT_BE_FINAL.on(aClass));
}
if (modifierList.hasModifier(JetTokens.SEALED_KEYWORD)) {
trace.report(Errors.TRAIT_CAN_NOT_BE_SEALED.on(aClass));
}
if (modifierList.hasModifier(JetTokens.ABSTRACT_KEYWORD)) {
trace.report(Errors.ABSTRACT_MODIFIER_IN_TRAIT.on(aClass));
}
if (modifierList.hasModifier(JetTokens.OPEN_KEYWORD)) {
trace.report(Errors.OPEN_MODIFIER_IN_TRAIT.on(aClass));
}
}
private void checkModifiersAndAnnotationsInPackageDirective(JetFile file) {
JetPackageDirective packageDirective = file.getPackageDirective();
if (packageDirective == null) return;
JetModifierList modifierList = packageDirective.getModifierList();
if (modifierList == null) return;
for (JetAnnotationEntry annotationEntry : modifierList.getAnnotationEntries()) {
JetConstructorCalleeExpression calleeExpression = annotationEntry.getCalleeExpression();
if (calleeExpression != null) {
JetReferenceExpression reference = calleeExpression.getConstructorReferenceExpression();
if (reference != null) {
trace.report(UNRESOLVED_REFERENCE.on(reference, reference));
}
}
}
AnnotationTargetChecker.INSTANCE$.check(packageDirective, trace);
ModifiersChecker.reportIllegalModifiers(
modifierList, Arrays.asList(JetTokens.MODIFIER_KEYWORDS_ARRAY), trace);
}
private void checkPropertyAbstractness(
@NotNull JetProperty property,
@NotNull PropertyDescriptor propertyDescriptor,
@NotNull ClassDescriptor classDescriptor) {
JetPropertyAccessor getter = property.getGetter();
JetPropertyAccessor setter = property.getSetter();
JetModifierList modifierList = property.getModifierList();
ASTNode abstractNode =
modifierList != null ? modifierList.getModifierNode(JetTokens.ABSTRACT_KEYWORD) : null;
if (abstractNode != null) { // has abstract modifier
if (!classCanHaveAbstractMembers(classDescriptor)) {
String name = property.getName();
trace.report(
ABSTRACT_PROPERTY_IN_NON_ABSTRACT_CLASS.on(
property, name != null ? name : "", classDescriptor));
return;
}
if (classDescriptor.getKind() == ClassKind.INTERFACE) {
trace.report(ABSTRACT_MODIFIER_IN_TRAIT.on(property));
}
}
if (propertyDescriptor.getModality() == Modality.ABSTRACT) {
JetExpression initializer = property.getInitializer();
if (initializer != null) {
trace.report(ABSTRACT_PROPERTY_WITH_INITIALIZER.on(initializer));
}
JetPropertyDelegate delegate = property.getDelegate();
if (delegate != null) {
trace.report(ABSTRACT_DELEGATED_PROPERTY.on(delegate));
}
if (getter != null && getter.hasBody()) {
trace.report(ABSTRACT_PROPERTY_WITH_GETTER.on(getter));
}
if (setter != null && setter.hasBody()) {
trace.report(ABSTRACT_PROPERTY_WITH_SETTER.on(setter));
}
}
}
public static boolean isInnerClass(@Nullable JetModifierList modifierList) {
return modifierList != null && modifierList.hasModifier(INNER_KEYWORD);
}