private static void putInMap(
PsiClass aClass,
Map<MethodSignature, HierarchicalMethodSignature> result,
Map<MethodSignature, HierarchicalMethodSignatureImpl> map,
HierarchicalMethodSignature hierarchicalMethodSignature,
MethodSignature signature) {
if (!PsiUtil.isAccessible(
aClass.getProject(), hierarchicalMethodSignature.getMethod(), aClass, aClass)) return;
HierarchicalMethodSignatureImpl existing = map.get(signature);
if (existing == null) {
HierarchicalMethodSignatureImpl copy = copy(hierarchicalMethodSignature);
LOG.assertTrue(copy.getMethod().isValid());
map.put(signature, copy);
} else if (isReturnTypeIsMoreSpecificThan(hierarchicalMethodSignature, existing)
&& isSuperMethod(aClass, hierarchicalMethodSignature, existing)) {
HierarchicalMethodSignatureImpl newSuper = copy(hierarchicalMethodSignature);
mergeSupers(newSuper, existing);
LOG.assertTrue(newSuper.getMethod().isValid());
map.put(signature, newSuper);
} else if (isSuperMethod(aClass, existing, hierarchicalMethodSignature)) {
mergeSupers(existing, hierarchicalMethodSignature);
}
// just drop an invalid method declaration there - to highlight accordingly
else if (!result.containsKey(signature)) {
LOG.assertTrue(hierarchicalMethodSignature.getMethod().isValid());
result.put(signature, hierarchicalMethodSignature);
}
}
/**
* @return true, if the element contains a reference to a different class than fullyQualifiedName
* but which has the same class name
*/
public static boolean containsConflictingReference(PsiFile element, String fullyQualifiedName) {
final Map<String, Boolean> cachedValue =
CachedValuesManager.getManager(element.getProject())
.getCachedValue(
element,
new CachedValueProvider<Map<String, Boolean>>() {
@Nullable
@Override
public Result<Map<String, Boolean>> compute() {
return new Result<Map<String, Boolean>>(
Collections.synchronizedMap(new HashMap<String, Boolean>()),
PsiModificationTracker.MODIFICATION_COUNT);
}
});
Boolean conflictingRef = cachedValue.get(fullyQualifiedName);
if (conflictingRef != null) {
return conflictingRef.booleanValue();
}
final ConflictingClassReferenceVisitor visitor =
new ConflictingClassReferenceVisitor(fullyQualifiedName);
element.accept(visitor);
conflictingRef = visitor.isConflictingReferenceFound();
cachedValue.put(fullyQualifiedName, conflictingRef);
return conflictingRef.booleanValue();
}
private static PsiSubstitutor obtainFinalSubstitutor(
PsiClass superClass,
PsiSubstitutor superSubstitutor,
PsiSubstitutor derivedSubstitutor,
boolean inRawContext) {
if (inRawContext) {
Set<PsiTypeParameter> typeParams = superSubstitutor.getSubstitutionMap().keySet();
PsiElementFactory factory = JavaPsiFacade.getElementFactory(superClass.getProject());
superSubstitutor =
factory.createRawSubstitutor(
derivedSubstitutor, typeParams.toArray(new PsiTypeParameter[typeParams.size()]));
}
Map<PsiTypeParameter, PsiType> map = null;
for (PsiTypeParameter typeParameter : PsiUtil.typeParametersIterable(superClass)) {
PsiType type = superSubstitutor.substitute(typeParameter);
final PsiType t = derivedSubstitutor.substitute(type);
if (map == null) {
map = new THashMap<PsiTypeParameter, PsiType>();
}
map.put(typeParameter, t);
}
return map == null
? PsiSubstitutor.EMPTY
: JavaPsiFacade.getInstance(superClass.getProject())
.getElementFactory()
.createSubstitutor(map);
}
private static CompoundInitialState createState(InferenceSession topLevelSession) {
final PsiSubstitutor topInferenceSubstitutor =
replaceVariables(topLevelSession.getInferenceVariables());
final Map<PsiElement, InitialInferenceState> nestedStates =
new LinkedHashMap<PsiElement, InitialInferenceState>();
final InferenceSessionContainer copy =
new InferenceSessionContainer() {
@Override
public PsiSubstitutor findNestedSubstitutor(
PsiElement arg, @Nullable PsiSubstitutor defaultSession) {
// for the case foo(bar(a -> m())): top level inference won't touch lambda "a -> m()"
// for the case foo(a -> bar(b -> m())): top level inference would go till nested lambda
// "b -> m()" and the state from top level could be found here by "bar(b -> m())"
// but proceeding with additional constraints from saved point would produce new
// expression constraints with different inference variables (could be found in
// myNestedSessions)
// which won't be found in the system if we won't reject stored sessions in such cases
final PsiSubstitutor substitutor = super.findNestedSubstitutor(arg, null);
if (substitutor != null) {
return substitutor;
}
final InitialInferenceState state =
nestedStates.get(PsiTreeUtil.getParentOfType(arg, PsiCall.class));
if (state != null) {
return state.getInferenceSubstitutor();
}
return super.findNestedSubstitutor(arg, defaultSession);
}
};
final Map<PsiElement, InferenceSession> nestedSessions =
topLevelSession.getInferenceSessionContainer().myNestedSessions;
for (Map.Entry<PsiElement, InferenceSession> entry : nestedSessions.entrySet()) {
nestedStates.put(
entry.getKey(),
entry
.getValue()
.createInitialState(
copy, topLevelSession.getInferenceVariables(), topInferenceSubstitutor));
}
PsiSubstitutor substitutor = PsiSubstitutor.EMPTY;
for (InferenceVariable variable : topLevelSession.getInferenceVariables()) {
final PsiType instantiation = variable.getInstantiation();
if (instantiation != PsiType.NULL) {
final PsiClass psiClass =
PsiUtil.resolveClassInClassTypeOnly(topInferenceSubstitutor.substitute(variable));
if (psiClass instanceof InferenceVariable) {
substitutor = substitutor.put((PsiTypeParameter) psiClass, instantiation);
}
}
}
return new CompoundInitialState(substitutor, nestedStates);
}
private void processInterface(PsiClass inheritor, PsiClass anInterface) {
for (Iterator<PsiMethod> methodIterator = myRemainingMethods.iterator();
methodIterator.hasNext(); ) {
PsiMethod method = methodIterator.next();
SiblingInfo info = findSibling(inheritor, anInterface, method);
if (info != null) {
myResult.put(method, info);
methodIterator.remove();
}
}
}
@NotNull
public Map<String, String> getLocalNamespaceDeclarations() {
Map<String, String> namespaces = new THashMap<String, String>();
for (final XmlAttribute attribute : getAttributes()) {
if (!attribute.isNamespaceDeclaration() || attribute.getValue() == null) continue;
// xmlns -> "", xmlns:a -> a
final String localName = attribute.getLocalName();
namespaces.put(localName.equals(attribute.getName()) ? "" : localName, attribute.getValue());
}
return namespaces;
}
private static boolean processAnnotationAttributes(
@Nullable Map<String, Object> annotationAttributeValues, @NotNull PsiAnnotation annotation) {
if (annotationAttributeValues != null) {
final PsiAnnotationParameterList parameterList = annotation.getParameterList();
final PsiNameValuePair[] attributes = parameterList.getAttributes();
for (PsiNameValuePair attribute : attributes) {
final String name = attribute.getName();
if (annotationAttributeValues.containsKey(name)) {
annotationAttributeValues.put(name, attribute.getValue());
}
}
}
return true;
}
private static PsiExpression getLiteralExpression(
PsiExpression context, PsiManager manager, @NotNull String text) {
Map<String, PsiExpression> cache = LITERAL_EXPRESSION_CACHE.get(manager);
if (cache == null) {
cache = new ConcurrentSoftValueHashMap<String, PsiExpression>();
cache = manager.putUserDataIfAbsent(LITERAL_EXPRESSION_CACHE, cache);
}
PsiExpression expression = cache.get(text);
if (expression == null) {
expression =
JavaPsiFacade.getElementFactory(manager.getProject())
.createExpressionFromText(text, context);
cache.put(text, expression);
}
return expression;
}
public FileIncludeManagerImpl(
Project project,
PsiManager psiManager,
PsiFileFactory psiFileFactory,
CachedValuesManager cachedValuesManager) {
myProject = project;
myPsiManager = psiManager;
myPsiFileFactory = psiFileFactory;
FileIncludeProvider[] providers = Extensions.getExtensions(FileIncludeProvider.EP_NAME);
Map<String, FileIncludeProvider> providerMap =
new HashMap<String, FileIncludeProvider>(providers.length);
for (FileIncludeProvider provider : providers) {
FileIncludeProvider old = providerMap.put(provider.getId(), provider);
assert old == null;
}
myCachedValuesManager = cachedValuesManager;
}
private PsiClass[] getCachedClassInDumbMode(String name) {
Map<String, PsiClass[]> map = SoftReference.dereference(myClassCache);
if (map == null) {
map = new HashMap<String, PsiClass[]>();
for (PsiClass psiClass : getClasses(new EverythingGlobalScope(getProject()))) {
String psiClassName = psiClass.getName();
if (psiClassName != null) {
PsiClass[] existing = map.get(psiClassName);
map.put(
psiClassName,
existing == null ? new PsiClass[] {psiClass} : ArrayUtil.append(existing, psiClass));
}
}
myClassCache = new SoftReference<Map<String, PsiClass[]>>(map);
}
PsiClass[] classes = map.get(name);
return classes == null ? PsiClass.EMPTY_ARRAY : classes;
}
@NotNull
private PsiClass[] getCachedClassesByName(@NotNull String name) {
if (DumbService.getInstance(getProject()).isDumb()) {
return getCachedClassInDumbMode(name);
}
Map<String, PsiClass[]> map = SoftReference.dereference(myClassCache);
if (map == null) {
myClassCache =
new SoftReference<Map<String, PsiClass[]>>(
map = new ConcurrentSoftValueHashMap<String, PsiClass[]>());
}
PsiClass[] classes = map.get(name);
if (classes != null) {
return classes;
}
final String qName = getQualifiedName();
final String classQName = !qName.isEmpty() ? qName + "." + name : name;
map.put(
name,
classes = getFacade().findClasses(classQName, new EverythingGlobalScope(getProject())));
return classes;
}
public void registerNestedSession(InferenceSession session) {
myNestedSessions.put(session.getContext(), session);
myNestedSessions.putAll(session.getInferenceSessionContainer().myNestedSessions);
}
private static Map<MethodSignature, HierarchicalMethodSignature> buildMethodHierarchy(
PsiClass aClass,
PsiSubstitutor substitutor,
final boolean includePrivates,
final Set<PsiClass> visited,
boolean isInRawContext) {
Map<MethodSignature, HierarchicalMethodSignature> result =
new LinkedHashMap<MethodSignature, HierarchicalMethodSignature>();
final Map<MethodSignature, List<PsiMethod>> sameParameterErasureMethods =
new THashMap<MethodSignature, List<PsiMethod>>(
MethodSignatureUtil.METHOD_PARAMETERS_ERASURE_EQUALITY);
Map<MethodSignature, HierarchicalMethodSignatureImpl> map =
new THashMap<MethodSignature, HierarchicalMethodSignatureImpl>(
new TObjectHashingStrategy<MethodSignature>() {
@Override
public int computeHashCode(MethodSignature signature) {
return MethodSignatureUtil.METHOD_PARAMETERS_ERASURE_EQUALITY.computeHashCode(
signature);
}
@Override
public boolean equals(MethodSignature o1, MethodSignature o2) {
if (!MethodSignatureUtil.METHOD_PARAMETERS_ERASURE_EQUALITY.equals(o1, o2))
return false;
List<PsiMethod> list = sameParameterErasureMethods.get(o1);
boolean toCheckReturnType = list != null && list.size() > 1;
if (!toCheckReturnType) return true;
PsiType returnType1 =
((MethodSignatureBackedByPsiMethod) o1).getMethod().getReturnType();
PsiType returnType2 =
((MethodSignatureBackedByPsiMethod) o2).getMethod().getReturnType();
if (returnType1 == null && returnType2 == null) return true;
if (returnType1 == null || returnType2 == null) return false;
PsiType erasure1 =
TypeConversionUtil.erasure(o1.getSubstitutor().substitute(returnType1));
PsiType erasure2 =
TypeConversionUtil.erasure(o2.getSubstitutor().substitute(returnType2));
return erasure1.equals(erasure2);
}
});
for (PsiMethod method : aClass.getMethods()) {
if (!method.isValid()) {
throw new PsiInvalidElementAccessException(
method, "class.valid=" + aClass.isValid() + "; name=" + method.getName());
}
if (!includePrivates && method.hasModifierProperty(PsiModifier.PRIVATE)) continue;
final MethodSignatureBackedByPsiMethod signature =
MethodSignatureBackedByPsiMethod.create(method, substitutor, isInRawContext);
HierarchicalMethodSignatureImpl newH = new HierarchicalMethodSignatureImpl(signature);
List<PsiMethod> list = sameParameterErasureMethods.get(signature);
if (list == null) {
list = new SmartList<PsiMethod>();
sameParameterErasureMethods.put(signature, list);
}
list.add(method);
LOG.assertTrue(newH.getMethod().isValid());
result.put(signature, newH);
map.put(signature, newH);
}
for (PsiClassType superType : aClass.getSuperTypes()) {
PsiClassType.ClassResolveResult superTypeResolveResult = superType.resolveGenerics();
PsiClass superClass = superTypeResolveResult.getElement();
if (superClass == null) continue;
if (!visited.add(superClass)) continue; // cyclic inheritance
final PsiSubstitutor superSubstitutor = superTypeResolveResult.getSubstitutor();
PsiSubstitutor finalSubstitutor =
obtainFinalSubstitutor(superClass, superSubstitutor, substitutor, isInRawContext);
final boolean isInRawContextSuper =
(isInRawContext || PsiUtil.isRawSubstitutor(superClass, superSubstitutor))
&& superClass.getTypeParameters().length != 0;
Map<MethodSignature, HierarchicalMethodSignature> superResult =
buildMethodHierarchy(superClass, finalSubstitutor, false, visited, isInRawContextSuper);
visited.remove(superClass);
List<Pair<MethodSignature, HierarchicalMethodSignature>> flattened =
new ArrayList<Pair<MethodSignature, HierarchicalMethodSignature>>();
for (Map.Entry<MethodSignature, HierarchicalMethodSignature> entry : superResult.entrySet()) {
HierarchicalMethodSignature hms = entry.getValue();
MethodSignature signature = entry.getKey();
PsiClass containingClass = hms.getMethod().getContainingClass();
List<HierarchicalMethodSignature> supers =
new ArrayList<HierarchicalMethodSignature>(hms.getSuperSignatures());
for (HierarchicalMethodSignature aSuper : supers) {
PsiClass superContainingClass = aSuper.getMethod().getContainingClass();
if (containingClass != null
&& superContainingClass != null
&& !containingClass.isInheritor(superContainingClass, true)) {
// methods must be inherited from unrelated classes, so flatten hierarchy here
// class C implements SAM1, SAM2 { void methodimpl() {} }
// hms.getSuperSignatures().remove(aSuper);
flattened.add(
new Pair<MethodSignature, HierarchicalMethodSignature>(signature, aSuper));
}
}
putInMap(aClass, result, map, hms, signature);
}
for (Pair<MethodSignature, HierarchicalMethodSignature> pair : flattened) {
putInMap(aClass, result, map, pair.second, pair.first);
}
}
for (Map.Entry<MethodSignature, HierarchicalMethodSignatureImpl> entry : map.entrySet()) {
HierarchicalMethodSignatureImpl hierarchicalMethodSignature = entry.getValue();
MethodSignature methodSignature = entry.getKey();
if (result.get(methodSignature) == null
&& PsiUtil.isAccessible(
aClass.getProject(), hierarchicalMethodSignature.getMethod(), aClass, aClass)) {
LOG.assertTrue(hierarchicalMethodSignature.getMethod().isValid());
result.put(methodSignature, hierarchicalMethodSignature);
}
}
return result;
}
protected void cacheOneAttributeValue(
String name, String value, final Map<String, String> attributesValueMap) {
attributesValueMap.put(name, value);
}