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); } } } } }