private void getVariantsFromQualifier(@NotNull GrExpression qualifier) {
Project project = qualifier.getProject();
PsiType qualifierType = qualifier.getType();
final ResolveState state = ResolveState.initial();
if (qualifierType == null || qualifierType == PsiType.VOID) {
if (qualifier instanceof GrReferenceExpression) {
PsiElement resolved = ((GrReferenceExpression) qualifier).resolve();
if (resolved instanceof PsiPackage || resolved instanceof PsiVariable) {
resolved.processDeclarations(myProcessor, state, null, myRefExpr);
return;
}
}
getVariantsFromQualifierType(TypesUtil.getJavaLangObject(qualifier), project);
} else if (qualifierType instanceof PsiIntersectionType) {
for (PsiType conjunct : ((PsiIntersectionType) qualifierType).getConjuncts()) {
getVariantsFromQualifierType(conjunct, project);
}
} else if (qualifierType instanceof GrTraitType) {
GrTypeDefinition definition = ((GrTraitType) qualifierType).getMockTypeDefinition();
if (definition != null) {
PsiClassType classType = JavaPsiFacade.getElementFactory(project).createType(definition);
getVariantsFromQualifierType(classType, project);
} else {
getVariantsFromQualifierType(((GrTraitType) qualifierType).getExprType(), project);
for (PsiClassType traitType : ((GrTraitType) qualifierType).getTraitTypes()) {
getVariantsFromQualifierType(traitType, project);
}
}
} else {
getVariantsFromQualifierType(qualifierType, project);
if (qualifier instanceof GrReferenceExpression
&& !PsiUtil.isSuperReference(qualifier)
&& !PsiUtil.isInstanceThisRef(qualifier)) {
PsiElement resolved = ((GrReferenceExpression) qualifier).resolve();
if (resolved instanceof PsiClass) { // //omitted .class
GlobalSearchScope scope = myRefExpr.getResolveScope();
PsiClass javaLangClass = PsiUtil.getJavaLangClass(resolved, scope);
if (javaLangClass != null) {
PsiSubstitutor substitutor = PsiSubstitutor.EMPTY;
PsiTypeParameter[] typeParameters = javaLangClass.getTypeParameters();
if (typeParameters.length == 1) {
substitutor = substitutor.put(typeParameters[0], qualifierType);
}
PsiType javaLangClassType =
JavaPsiFacade.getElementFactory(myRefExpr.getProject())
.createType(javaLangClass, substitutor);
ResolveUtil.processAllDeclarations(javaLangClassType, myProcessor, state, myRefExpr);
}
}
}
}
}
