private void checkClass(
BodiesResolveContext c,
JetClass aClass,
ClassDescriptorWithResolutionScopes classDescriptor) {
checkOpenMembers(classDescriptor);
checkTypeParameters(aClass);
if (aClass.isInterface()) {
ASTNode traitKeyword = aClass.getNode().findChildByType(JetTokens.TRAIT_KEYWORD);
if (traitKeyword != null) {
trace.report(Errors.DEPRECATED_TRAIT_KEYWORD.on(traitKeyword.getPsi()));
}
checkTraitModifiers(aClass);
checkConstructorInTrait(aClass);
} else if (aClass.isAnnotation()) {
checkAnnotationClassWithBody(aClass);
checkValOnAnnotationParameter(aClass);
} else if (aClass.isEnum()) {
checkEnumModifiers(aClass);
if (aClass.isLocal()) {
trace.report(LOCAL_ENUM_NOT_ALLOWED.on(aClass, classDescriptor));
}
} else if (aClass.hasModifier(JetTokens.SEALED_KEYWORD)) {
checkSealedModifiers(aClass);
} else if (aClass instanceof JetEnumEntry) {
checkEnumEntry((JetEnumEntry) aClass, classDescriptor);
}
}
@NotNull
private static ClassKind getClassKind(@NotNull JetClass jetClass) {
if (jetClass.isTrait()) return ClassKind.TRAIT;
if (jetClass.isAnnotation()) return ClassKind.ANNOTATION_CLASS;
if (jetClass.isEnum()) return ClassKind.ENUM_CLASS;
return ClassKind.CLASS;
}
private void checkNestedClassAllowed(
@NotNull JetModifierListOwner modifierListOwner,
@NotNull DeclarationDescriptor descriptor) {
if (modifierListOwner.hasModifier(INNER_KEYWORD)) return;
if (modifierListOwner instanceof JetClass && !(modifierListOwner instanceof JetEnumEntry)) {
JetClass aClass = (JetClass) modifierListOwner;
boolean localEnumError = aClass.isLocal() && aClass.isEnum();
if (!localEnumError && isIllegalNestedClass(descriptor)) {
trace.report(NESTED_CLASS_NOT_ALLOWED.on(aClass));
}
}
}
public static Icon getBaseIcon(PsiElement psiElement) {
if (psiElement instanceof JetNamespaceHeader) {
return PlatformIcons.PACKAGE_ICON;
}
if (psiElement instanceof KotlinLightClassForPackage) {
return JetIcons.FILE;
}
if (psiElement instanceof KotlinLightClassForExplicitDeclaration) {
psiElement = psiElement.getNavigationElement();
}
if (psiElement instanceof JetNamedFunction) {
if (((JetFunction) psiElement).getReceiverTypeRef() != null) {
return JetIcons.EXTENSION_FUNCTION;
}
if (PsiTreeUtil.getParentOfType(psiElement, JetNamedDeclaration.class) instanceof JetClass) {
if (JetPsiUtil.isAbstract((JetFunction) psiElement)) {
return PlatformIcons.ABSTRACT_METHOD_ICON;
} else {
return PlatformIcons.METHOD_ICON;
}
} else {
return JetIcons.FUNCTION;
}
}
if (psiElement instanceof JetClass) {
JetClass jetClass = (JetClass) psiElement;
if (jetClass.isTrait()) {
return JetIcons.TRAIT;
}
Icon icon = jetClass.isEnum() ? PlatformIcons.ENUM_ICON : JetIcons.CLASS;
if (jetClass instanceof JetEnumEntry) {
JetEnumEntry enumEntry = (JetEnumEntry) jetClass;
if (enumEntry.getPrimaryConstructorParameterList() == null) {
icon = PlatformIcons.ENUM_ICON;
}
}
return icon;
}
if (psiElement instanceof JetObjectDeclaration || psiElement instanceof JetClassObject) {
return JetIcons.OBJECT;
}
if (psiElement instanceof JetParameter) {
JetParameter parameter = (JetParameter) psiElement;
if (parameter.getValOrVarNode() != null) {
JetParameterList parameterList =
PsiTreeUtil.getParentOfType(psiElement, JetParameterList.class);
if (parameterList != null && parameterList.getParent() instanceof JetClass) {
return parameter.isMutable() ? JetIcons.FIELD_VAR : JetIcons.FIELD_VAL;
}
}
return JetIcons.PARAMETER;
}
if (psiElement instanceof JetProperty) {
JetProperty property = (JetProperty) psiElement;
return property.isVar() ? JetIcons.FIELD_VAR : JetIcons.FIELD_VAL;
}
return null;
}