public static boolean resolvesTo(PsiType type, String fqn) {
if (type instanceof PsiClassType) {
final PsiClass resolved = ((PsiClassType) type).resolve();
return resolved != null && fqn.equals(resolved.getQualifiedName());
}
return false;
}
private static boolean containsAllCases(GrSwitchStatement statement) {
final GrCaseSection[] sections = statement.getCaseSections();
for (GrCaseSection section : sections) {
if (section.isDefault()) return true;
}
final GrExpression condition = statement.getCondition();
if (!(condition instanceof GrReferenceExpression)) return false;
PsiType type = TypesUtil.unboxPrimitiveTypeWrapper(getNominalTypeNoRecursion(condition));
if (type == null) return false;
if (type instanceof PsiPrimitiveType) {
if (type == PsiType.BOOLEAN) return sections.length == 2;
if (type == PsiType.BYTE || type == PsiType.CHAR) return sections.length == 128;
return false;
}
if (type instanceof PsiClassType) {
final PsiClass resolved = ((PsiClassType) type).resolve();
if (resolved != null && resolved.isEnum()) {
int enumConstantCount = 0;
final PsiField[] fields = resolved.getFields();
for (PsiField field : fields) {
if (field instanceof PsiEnumConstant) enumConstantCount++;
}
if (sections.length == enumConstantCount) return true;
}
}
return false;
}
public static boolean isClassType(@Nullable PsiType type, @NotNull String qName) {
if (type instanceof PsiClassType) {
final PsiClass psiClass = ((PsiClassType) type).resolve();
return psiClass != null && qName.equals(psiClass.getQualifiedName());
}
return false;
}
@Nullable
public static PsiType getExpectedClosureReturnType(GrClosableBlock closure) {
final Set<PsiType> expectedTypes = getDefaultExpectedTypes(closure);
List<PsiType> expectedReturnTypes = new ArrayList<PsiType>();
for (PsiType expectedType : expectedTypes) {
if (!(expectedType instanceof PsiClassType)) return null;
final PsiClassType.ClassResolveResult resolveResult =
((PsiClassType) expectedType).resolveGenerics();
final PsiClass resolved = resolveResult.getElement();
if (resolved == null
|| !(GroovyCommonClassNames.GROOVY_LANG_CLOSURE.equals(resolved.getQualifiedName())))
return null;
final PsiTypeParameter[] typeParameters = resolved.getTypeParameters();
if (typeParameters.length != 1) return null;
final PsiTypeParameter expected = typeParameters[0];
final PsiType expectedReturnType = resolveResult.getSubstitutor().substitute(expected);
if (expectedReturnType == PsiType.VOID || expectedReturnType == null) return null;
expectedReturnTypes.add(expectedReturnType);
}
return TypesUtil.getLeastUpperBoundNullable(expectedReturnTypes, closure.getManager());
}
public static PsiType unboxPrimitiveTypeWrapper(@Nullable PsiType type) {
if (type instanceof PsiClassType) {
final PsiClass psiClass = ((PsiClassType) type).resolve();
if (psiClass != null) {
PsiType unboxed = ourQNameToUnboxed.get(psiClass.getQualifiedName());
if (unboxed != null) type = unboxed;
}
}
return type;
}
@NotNull
public static PsiType createSetType(@NotNull PsiElement context, @NotNull PsiType type) {
JavaPsiFacade facade = JavaPsiFacade.getInstance(context.getProject());
GlobalSearchScope resolveScope = context.getResolveScope();
PsiClass setClass = facade.findClass(JAVA_UTIL_SET, resolveScope);
if (setClass != null && setClass.getTypeParameters().length == 1) {
return facade.getElementFactory().createType(setClass, type);
}
return facade.getElementFactory().createTypeByFQClassName(JAVA_UTIL_SET, resolveScope);
}
@NotNull
public static PsiClassType createListType(@NotNull PsiClass elements) {
JavaPsiFacade facade = JavaPsiFacade.getInstance(elements.getProject());
GlobalSearchScope resolveScope = elements.getResolveScope();
PsiClass listClass = facade.findClass(JAVA_UTIL_LIST, resolveScope);
if (listClass == null) {
return facade.getElementFactory().createTypeByFQClassName(JAVA_UTIL_LIST, resolveScope);
}
return facade
.getElementFactory()
.createType(listClass, facade.getElementFactory().createType(elements));
}
@Nullable
private static PsiClassType createCollection(
Project project, String collectionName, PsiType... item) {
PsiElementFactory factory = JavaPsiFacade.getElementFactory(project);
PsiClass collection =
JavaPsiFacade.getInstance(project)
.findClass(collectionName, GlobalSearchScope.allScope(project));
if (collection == null) return null;
PsiTypeParameter[] parameters = collection.getTypeParameters();
if (parameters.length != 1) return null;
return factory.createType(collection, item);
}
public static boolean isAnnotatedCheckHierarchyWithCache(
@NotNull PsiClass aClass, @NotNull String annotationFQN) {
Map<String, PsiClass> classMap = getSuperClassesWithCache(aClass);
for (PsiClass psiClass : classMap.values()) {
PsiModifierList modifierList = psiClass.getModifierList();
if (modifierList != null) {
if (modifierList.findAnnotation(annotationFQN) != null) {
return true;
}
}
}
return false;
}
@Nullable
public static PsiType createJavaLangClassType(
@Nullable PsiType type, Project project, GlobalSearchScope resolveScope) {
final JavaPsiFacade facade = JavaPsiFacade.getInstance(project);
PsiType result = null;
PsiClass javaLangClass = facade.findClass(JAVA_LANG_CLASS, resolveScope);
if (javaLangClass != null) {
PsiSubstitutor substitutor = PsiSubstitutor.EMPTY;
final PsiTypeParameter[] typeParameters = javaLangClass.getTypeParameters();
if (typeParameters.length == 1) {
substitutor = substitutor.put(typeParameters[0], type);
}
result = facade.getElementFactory().createType(javaLangClass, substitutor);
}
return result;
}
@Override
public void visitAnnotationArrayInitializer(GrAnnotationArrayInitializer arrayInitializer) {
final GrAnnotationNameValuePair nameValuePair =
PsiTreeUtil.getParentOfType(
arrayInitializer,
GrAnnotationNameValuePair.class,
true,
GrDefaultAnnotationValue.class);
if (nameValuePair != null) {
final PsiClass annot = ResolveUtil.resolveAnnotation(arrayInitializer);
if (annot == null) return;
final String name = nameValuePair.getName();
if (name == null) return;
final PsiMethod[] attrs = annot.findMethodsByName(name, false);
if (attrs.length > 0) {
PsiType type = attrs[0].getReturnType();
while (type instanceof PsiArrayType) type = ((PsiArrayType) type).getComponentType();
if (type != null && isAcceptableAnnotationValueType(type)) {
myResult = createSimpleSubTypeResult(type);
}
}
} else {
final GrAnnotationMethod method =
PsiTreeUtil.getParentOfType(arrayInitializer, GrAnnotationMethod.class);
assert method != null;
PsiType type = method.getReturnType();
int count = 1;
PsiElement parent = arrayInitializer.getParent();
while (parent instanceof GrAnnotationArrayInitializer) {
count++;
parent = parent.getParent();
}
while (type instanceof PsiArrayType && count > 0) {
type = ((PsiArrayType) type).getComponentType();
count--;
}
if (type != null && isAcceptableAnnotationValueType(type)) {
myResult = createSimpleSubTypeResult(type);
}
}
}
public static Map<String, PsiClass> getSuperClassesWithCache(@NotNull PsiClass aClass) {
Map<String, PsiClass> superClassNames = PARENT_CACHE_KEY.getCachedValue(aClass);
if (superClassNames == null) {
Set<PsiClass> superClasses = new THashSet<PsiClass>();
superClasses.add(aClass);
InheritanceUtil.getSuperClasses(aClass, superClasses, true);
superClassNames = new LinkedHashMap<String, PsiClass>();
for (PsiClass superClass : superClasses) {
superClassNames.put(superClass.getQualifiedName(), superClass);
}
superClassNames = PARENT_CACHE_KEY.putCachedValue(aClass, superClassNames);
}
return superClassNames;
}
@Nullable
public static PsiElement getOriginalElement(PsiClass clazz, PsiFile containingFile) {
VirtualFile vFile = containingFile.getVirtualFile();
final JavaPsiFacade facade = JavaPsiFacade.getInstance(clazz.getProject());
final ProjectFileIndex idx = ProjectRootManager.getInstance(facade.getProject()).getFileIndex();
if (vFile == null || !idx.isInLibrarySource(vFile)) return clazz;
final String qName = clazz.getQualifiedName();
if (qName == null) return null;
final List<OrderEntry> orderEntries = idx.getOrderEntriesForFile(vFile);
PsiClass original =
facade.findClass(
qName,
new GlobalSearchScope(facade.getProject()) {
public int compare(VirtualFile file1, VirtualFile file2) {
return 0;
}
public boolean contains(VirtualFile file) {
// order for file and vFile has non empty intersection.
List<OrderEntry> entries = idx.getOrderEntriesForFile(file);
//noinspection ForLoopReplaceableByForEach
for (int i = 0; i < entries.size(); i++) {
final OrderEntry entry = entries.get(i);
if (orderEntries.contains(entry)) return true;
}
return false;
}
public boolean isSearchInModuleContent(@NotNull Module aModule) {
return false;
}
public boolean isSearchInLibraries() {
return true;
}
});
return original != null ? original : clazz;
}
@Nullable
private static Boolean isAssignableForNativeTypes(
@NotNull PsiType lType, @NotNull PsiClassType rType, @NotNull PsiElement context) {
if (!(lType instanceof PsiClassType)) return null;
final PsiClassType.ClassResolveResult leftResult = ((PsiClassType) lType).resolveGenerics();
final PsiClassType.ClassResolveResult rightResult = rType.resolveGenerics();
final PsiClass leftClass = leftResult.getElement();
PsiClass rightClass = rightResult.getElement();
if (rightClass == null || leftClass == null) return null;
if (!InheritanceUtil.isInheritorOrSelf(rightClass, leftClass, true)) return Boolean.FALSE;
PsiSubstitutor rightSubstitutor = rightResult.getSubstitutor();
if (!leftClass.hasTypeParameters()) return Boolean.TRUE;
PsiSubstitutor leftSubstitutor = leftResult.getSubstitutor();
if (!leftClass.getManager().areElementsEquivalent(leftClass, rightClass)) {
rightSubstitutor =
TypeConversionUtil.getSuperClassSubstitutor(leftClass, rightClass, rightSubstitutor);
rightClass = leftClass;
} else if (!rightClass.hasTypeParameters()) return Boolean.TRUE;
Iterator<PsiTypeParameter> li = PsiUtil.typeParametersIterator(leftClass);
Iterator<PsiTypeParameter> ri = PsiUtil.typeParametersIterator(rightClass);
while (li.hasNext()) {
if (!ri.hasNext()) return Boolean.FALSE;
PsiTypeParameter lp = li.next();
PsiTypeParameter rp = ri.next();
final PsiType typeLeft = leftSubstitutor.substitute(lp);
if (typeLeft == null) continue;
final PsiType typeRight = rightSubstitutor.substituteWithBoundsPromotion(rp);
if (typeRight == null) {
return Boolean.TRUE;
}
if (!isAssignableWithoutConversions(typeLeft, typeRight, context)) return Boolean.FALSE;
}
return Boolean.TRUE;
}
@Override
public void visitAnnotationNameValuePair(GrAnnotationNameValuePair nameValuePair) {
if (myExpression.equals(nameValuePair.getValue())) {
final PsiClass annot = ResolveUtil.resolveAnnotation(nameValuePair.getParent());
if (annot != null) {
final String name = nameValuePair.getName();
if (name != null) {
final PsiMethod[] attrs = annot.findMethodsByName(name, false);
if (attrs.length > 0) {
PsiType type = attrs[0].getReturnType();
while (type instanceof PsiArrayType) type = ((PsiArrayType) type).getComponentType();
if (type != null && isAcceptableAnnotationValueType(type)) {
myResult = createSimpleSubTypeResult(type);
}
}
} else {
final PsiMethod[] valueAttr = annot.findMethodsByName("value", false);
boolean canHaveSimpleExpr = valueAttr.length > 0;
final PsiMethod[] methods = annot.getMethods();
for (PsiMethod method : methods) {
if (!("value".equals(method.getName())
|| method instanceof PsiAnnotationMethod
&& ((PsiAnnotationMethod) method).getDefaultValue() != null)) {
canHaveSimpleExpr = false;
}
}
if (canHaveSimpleExpr) {
PsiType type = valueAttr[0].getReturnType();
while (type instanceof PsiArrayType) type = ((PsiArrayType) type).getComponentType();
if (type != null && isAcceptableAnnotationValueType(type)) {
myResult = createSimpleSubTypeResult(type);
}
}
}
}
}
}
private static boolean isFromDGM(GrGdkMethod resolved) {
final PsiClass containingClass = resolved.getStaticMethod().getContainingClass();
return containingClass != null
&& GroovyCommonClassNames.DEFAULT_GROOVY_METHODS.equals(containingClass.getQualifiedName());
}