private static PsiType getExpandedType(PsiType type, @NotNull PsiElement typeElement) {
if (type instanceof PsiArrayType) {
type =
JavaPsiFacade.getElementFactory(typeElement.getProject())
.getArrayClassType(
((PsiArrayType) type).getComponentType(), PsiUtil.getLanguageLevel(typeElement));
}
return type;
}
private static boolean shouldMarkRed(@NotNull Object object, @NotNull PsiElement place) {
if (!(object instanceof PsiMember)) return false;
if (Java15APIUsageInspectionBase.isForbiddenApiUsage(
(PsiMember) object, PsiUtil.getLanguageLevel(place))) return true;
if (object instanceof PsiEnumConstant) {
return findConstantsUsedInSwitch(place)
.contains(CompletionUtil.getOriginalOrSelf((PsiEnumConstant) object));
}
return false;
}
@Override
public boolean processDeclarations(
@NotNull PsiScopeProcessor processor,
@NotNull ResolveState state,
PsiElement lastParent,
@NotNull PsiElement place) {
GlobalSearchScope scope = place.getResolveScope();
processor.handleEvent(PsiScopeProcessor.Event.SET_DECLARATION_HOLDER, this);
ElementClassHint classHint = processor.getHint(ElementClassHint.KEY);
final JavaPsiFacade facade = getFacade();
final Condition<String> prefixMatcher = processor.getHint(JavaCompletionHints.NAME_FILTER);
if (classHint == null || classHint.shouldProcess(ElementClassHint.DeclarationKind.CLASS)) {
NameHint nameHint = processor.getHint(NameHint.KEY);
if (nameHint != null) {
final String shortName = nameHint.getName(state);
if (containsClassNamed(shortName)
&& processClassesByName(processor, state, scope, shortName)) return false;
} else if (prefixMatcher != null) {
for (String className : getClassNamesCache()) {
if (prefixMatcher.value(className)) {
if (processClassesByName(processor, state, scope, className)) return false;
}
}
} else {
PsiClass[] classes = getClasses(scope);
if (!processClasses(processor, state, classes)) return false;
}
}
if (classHint == null || classHint.shouldProcess(ElementClassHint.DeclarationKind.PACKAGE)) {
NameHint nameHint = processor.getHint(NameHint.KEY);
if (nameHint != null) {
PsiPackage aPackage = findSubPackageByName(nameHint.getName(state));
if (aPackage != null) {
if (!processor.execute(aPackage, state)) return false;
}
} else {
PsiPackage[] packs = getSubPackages(scope);
for (PsiPackage pack : packs) {
final String packageName = pack.getName();
if (packageName == null) continue;
if (!facade.getNameHelper().isIdentifier(packageName, PsiUtil.getLanguageLevel(this))) {
continue;
}
if (!processor.execute(pack, state)) {
return false;
}
}
}
}
return true;
}
@Override
public boolean processDeclarations(
@NotNull PsiScopeProcessor processor,
@NotNull ResolveState state,
PsiElement lastParent,
@NotNull PsiElement place) {
GlobalSearchScope scope = place.getResolveScope();
processor.handleEvent(PsiScopeProcessor.Event.SET_DECLARATION_HOLDER, this);
ElementClassHint classHint = processor.getHint(ElementClassHint.KEY);
final Condition<String> nameCondition = processor.getHint(JavaCompletionHints.NAME_FILTER);
if (classHint == null || classHint.shouldProcess(ElementClassHint.DeclarationKind.CLASS)) {
NameHint nameHint = processor.getHint(NameHint.KEY);
if (nameHint != null) {
final String shortName = nameHint.getName(state);
final PsiClass[] classes = findClassByShortName(shortName, scope);
if (!processClasses(processor, state, classes, Conditions.<String>alwaysTrue()))
return false;
} else {
PsiClass[] classes = getClasses(scope);
if (!processClasses(
processor,
state,
classes,
nameCondition != null ? nameCondition : Conditions.<String>alwaysTrue())) return false;
}
}
if (classHint == null || classHint.shouldProcess(ElementClassHint.DeclarationKind.PACKAGE)) {
NameHint nameHint = processor.getHint(NameHint.KEY);
if (nameHint != null) {
PsiPackage aPackage = findSubPackageByName(nameHint.getName(state));
if (aPackage != null) {
if (!processor.execute(aPackage, state)) return false;
}
} else {
PsiPackage[] packs = getSubPackages(scope);
for (PsiPackage pack : packs) {
final String packageName = pack.getName();
if (packageName == null) continue;
if (!PsiNameHelper.getInstance(myManager.getProject())
.isIdentifier(packageName, PsiUtil.getLanguageLevel(this))) {
continue;
}
if (!processor.execute(pack, state)) {
return false;
}
}
}
}
return true;
}
public static String checkReturnType(
PsiMethodReferenceExpression expression,
JavaResolveResult result,
PsiType functionalInterfaceType) {
final PsiElement resolve = result.getElement();
if (resolve instanceof PsiMethod) {
final PsiClass containingClass = ((PsiMethod) resolve).getContainingClass();
LOG.assertTrue(containingClass != null);
PsiSubstitutor subst = result.getSubstitutor();
PsiClass qContainingClass = getQualifierResolveResult(expression).getContainingClass();
if (qContainingClass != null
&& isReceiverType(functionalInterfaceType, containingClass, (PsiMethod) resolve)) {
subst = TypeConversionUtil.getClassSubstitutor(containingClass, qContainingClass, subst);
LOG.assertTrue(subst != null);
}
final PsiType interfaceReturnType =
LambdaUtil.getFunctionalInterfaceReturnType(functionalInterfaceType);
PsiType returnType =
PsiTypesUtil.patchMethodGetClassReturnType(
expression,
expression,
(PsiMethod) resolve,
null,
PsiUtil.getLanguageLevel(expression));
if (returnType == null) {
returnType = ((PsiMethod) resolve).getReturnType();
}
PsiType methodReturnType = subst.substitute(returnType);
if (interfaceReturnType != null && interfaceReturnType != PsiType.VOID) {
if (methodReturnType == null) {
methodReturnType =
JavaPsiFacade.getElementFactory(expression.getProject())
.createType(containingClass, subst);
}
if (!TypeConversionUtil.isAssignable(interfaceReturnType, methodReturnType, false)) {
return "Bad return type in method reference: cannot convert "
+ methodReturnType.getCanonicalText()
+ " to "
+ interfaceReturnType.getCanonicalText();
}
}
}
return null;
}
public static boolean processDeclarationsInClass(
@NotNull PsiClass aClass,
@NotNull final PsiScopeProcessor processor,
@NotNull ResolveState state,
@Nullable Set<PsiClass> visited,
PsiElement last,
@NotNull PsiElement place,
boolean isRaw) {
if (last instanceof PsiTypeParameterList || last instanceof PsiModifierList) {
return true; // TypeParameterList and ModifierList do not see our declarations
}
if (visited != null && visited.contains(aClass)) return true;
PsiSubstitutor substitutor = state.get(PsiSubstitutor.KEY);
isRaw = isRaw || PsiUtil.isRawSubstitutor(aClass, substitutor);
ParameterizedCachedValue<MembersMap, PsiClass> cache =
getValues(aClass); // aClass.getUserData(MAP_IN_CLASS_KEY);
boolean upToDate = cache.hasUpToDateValue();
LanguageLevel languageLevel = PsiUtil.getLanguageLevel(place);
if (
/*true || */ upToDate) {
final NameHint nameHint = processor.getHint(NameHint.KEY);
if (nameHint != null) {
String name = nameHint.getName(state);
return processCachedMembersByName(
aClass,
processor,
state,
visited,
last,
place,
isRaw,
substitutor,
cache.getValue(aClass),
name,
languageLevel);
}
}
return processDeclarationsInClassNotCached(
aClass, processor, state, visited, last, place, isRaw, languageLevel);
}
@NotNull
private static MembersMap buildAllMaps(@NotNull PsiClass psiClass) {
final List<Pair<PsiMember, PsiSubstitutor>> classes =
new ArrayList<Pair<PsiMember, PsiSubstitutor>>();
final List<Pair<PsiMember, PsiSubstitutor>> fields =
new ArrayList<Pair<PsiMember, PsiSubstitutor>>();
final List<Pair<PsiMember, PsiSubstitutor>> methods =
new ArrayList<Pair<PsiMember, PsiSubstitutor>>();
FilterScopeProcessor<MethodCandidateInfo> processor =
new FilterScopeProcessor<MethodCandidateInfo>(
new OrFilter(
ElementClassFilter.METHOD, ElementClassFilter.FIELD, ElementClassFilter.CLASS)) {
@Override
protected void add(PsiElement element, PsiSubstitutor substitutor) {
if (element instanceof PsiMethod) {
methods.add(Pair.create((PsiMember) element, substitutor));
} else if (element instanceof PsiField) {
fields.add(Pair.create((PsiMember) element, substitutor));
} else if (element instanceof PsiClass) {
classes.add(Pair.create((PsiMember) element, substitutor));
}
}
};
processDeclarationsInClassNotCached(
psiClass,
processor,
ResolveState.initial(),
null,
null,
psiClass,
false,
PsiUtil.getLanguageLevel(psiClass));
MembersMap result = new MembersMap(MemberType.class);
result.put(MemberType.CLASS, generateMapByList(classes));
result.put(MemberType.METHOD, generateMapByList(methods));
result.put(MemberType.FIELD, generateMapByList(fields));
return result;
}