@Nullable private PsiType getNominalTypeInner(@Nullable PsiElement resolved) { if (resolved == null && !"class".equals(getReferenceName())) { resolved = resolve(); } if (resolved instanceof PsiClass) { final PsiElementFactory factory = JavaPsiFacade.getInstance(getProject()).getElementFactory(); if (PsiUtil.isInstanceThisRef(this)) { final PsiClassType categoryType = GdkMethodUtil.getCategoryType((PsiClass) resolved); if (categoryType != null) { return categoryType; } else { return factory.createType((PsiClass) resolved); } } else if (PsiUtil.isSuperReference(this)) { PsiClass contextClass = PsiUtil.getContextClass(this); if (GrTraitUtil.isTrait(contextClass)) { PsiClassType[] extendsTypes = contextClass.getExtendsListTypes(); PsiClassType[] implementsTypes = contextClass.getImplementsListTypes(); PsiClassType[] superTypes = ArrayUtil.mergeArrays(implementsTypes, extendsTypes, PsiClassType.ARRAY_FACTORY); return PsiIntersectionType.createIntersection(ArrayUtil.reverseArray(superTypes)); } return factory.createType((PsiClass) resolved); } if (getParent() instanceof GrReferenceExpression) { return factory.createType((PsiClass) resolved); } else { return TypesUtil.createJavaLangClassType( factory.createType((PsiClass) resolved), getProject(), getResolveScope()); } } if (resolved instanceof GrVariable) { return ((GrVariable) resolved).getDeclaredType(); } if (resolved instanceof PsiVariable) { return ((PsiVariable) resolved).getType(); } if (resolved instanceof PsiMethod) { PsiMethod method = (PsiMethod) resolved; if (PropertyUtil.isSimplePropertySetter(method) && !method.getName().equals(getReferenceName())) { return method.getParameterList().getParameters()[0].getType(); } // 'class' property with explicit generic PsiClass containingClass = method.getContainingClass(); if (containingClass != null && CommonClassNames.JAVA_LANG_OBJECT.equals(containingClass.getQualifiedName()) && "getClass".equals(method.getName())) { return TypesUtil.createJavaLangClassType( PsiImplUtil.getQualifierType(this), getProject(), getResolveScope()); } return PsiUtil.getSmartReturnType(method); } if (resolved == null) { final PsiType fromClassRef = getTypeFromClassRef(this); if (fromClassRef != null) { return fromClassRef; } final PsiType fromMapAccess = getTypeFromMapAccess(this); if (fromMapAccess != null) { return fromMapAccess; } final PsiType fromSpreadOperator = getTypeFromSpreadOperator(this); if (fromSpreadOperator != null) { return fromSpreadOperator; } } return null; }