@Nullable
private CompileTimeConstant<?> getCompileTimeConstFromReferenceExpression(
PsiReferenceExpression value, PostponedTasks taskList) {
PsiElement resolveElement = value.resolve();
if (resolveElement instanceof PsiEnumConstant) {
PsiElement psiElement = resolveElement.getParent();
if (psiElement instanceof PsiClass) {
PsiClass psiClass = (PsiClass) psiElement;
String fqName = psiClass.getQualifiedName();
if (fqName == null) {
return null;
}
JetScope scope;
ClassDescriptor classDescriptor =
classResolver.resolveClass(
new FqName(fqName), DescriptorSearchRule.INCLUDE_KOTLIN, taskList);
if (classDescriptor == null) {
return null;
}
ClassDescriptor classObjectDescriptor = classDescriptor.getClassObjectDescriptor();
if (classObjectDescriptor == null) {
return null;
}
scope = classObjectDescriptor.getMemberScope(Lists.<TypeProjection>newArrayList());
Name identifier = Name.identifier(((PsiEnumConstant) resolveElement).getName());
Collection<VariableDescriptor> properties = scope.getProperties(identifier);
for (VariableDescriptor variableDescriptor : properties) {
if (variableDescriptor.getReceiverParameter() == null) {
return new EnumValue((PropertyDescriptor) variableDescriptor);
}
}
return null;
}
}
return null;
}
@NotNull
private LookupResult lookupSimpleNameReference(
@NotNull JetSimpleNameExpression referenceExpression,
@NotNull JetScope outerScope,
@NotNull LookupMode lookupMode,
boolean namespaceLevel) {
Name referencedName = referenceExpression.getReferencedNameAsName();
Set<DeclarationDescriptor> descriptors = Sets.newHashSet();
NamespaceDescriptor namespaceDescriptor = outerScope.getNamespace(referencedName);
if (namespaceDescriptor != null) {
descriptors.add(namespaceDescriptor);
}
ClassifierDescriptor classifierDescriptor = outerScope.getClassifier(referencedName);
if (classifierDescriptor != null) {
descriptors.add(classifierDescriptor);
}
if (lookupMode == LookupMode.ONLY_CLASSES) {
ClassDescriptor objectDescriptor = outerScope.getObjectDescriptor(referencedName);
if (objectDescriptor != null) {
descriptors.add(objectDescriptor);
}
} else {
descriptors.addAll(outerScope.getFunctions(referencedName));
descriptors.addAll(outerScope.getProperties(referencedName));
VariableDescriptor localVariable = outerScope.getLocalVariable(referencedName);
if (localVariable != null) {
descriptors.add(localVariable);
}
}
return new SuccessfulLookupResult(descriptors, outerScope, namespaceLevel);
}