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;
}
private static void suggestGeneratedMethods(CompletionResultSet result, PsiElement position) {
PsiClass parent =
CompletionUtil.getOriginalElement(
ObjectUtils.assertNotNull(PsiTreeUtil.getParentOfType(position, PsiClass.class)));
if (parent != null) {
Set<MethodSignature> addedSignatures = ContainerUtil.newHashSet();
addGetterSetterElements(result, parent, addedSignatures);
addSuperSignatureElements(parent, true, result, addedSignatures);
addSuperSignatureElements(parent, false, result, addedSignatures);
}
}
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));
}
if (object instanceof PsiClass
&& ReferenceListWeigher.INSTANCE.getApplicability((PsiClass) object, place)
== inapplicable) {
return true;
}
return false;
}
public static String findPrefixStatic(final PsiElement insertedElement, final int offsetInFile) {
if (insertedElement == null) return "";
final String prefix =
ApplicationManager.getApplication()
.runReadAction(
new Computable<String>() {
public String compute() {
if (!insertedElement.isValid()) {
return "";
}
return getReferencePrefix(insertedElement, offsetInFile);
}
});
if (prefix != null) return prefix;
if (insertedElement instanceof PsiPlainText || insertedElement instanceof PsiComment) {
return CompletionUtil.findJavaIdentifierPrefix(insertedElement, offsetInFile);
}
return findPrefixDefault(insertedElement, offsetInFile, not(character().javaIdentifierPart()));
}
@Override
public String advertise(@NotNull final CompletionParameters parameters) {
if (!(parameters.getOriginalFile() instanceof PsiJavaFile)) return null;
if (parameters.getCompletionType() == CompletionType.BASIC
&& parameters.getInvocationCount() > 0) {
PsiElement position = parameters.getPosition();
if (psiElement()
.withParent(
psiReferenceExpression()
.withFirstChild(psiReferenceExpression().referencing(psiClass())))
.accepts(position)) {
if (CompletionUtil.shouldShowFeature(
parameters, JavaCompletionFeatures.GLOBAL_MEMBER_NAME)) {
final String shortcut = getActionShortcut(IdeActions.ACTION_CODE_COMPLETION);
if (shortcut != null) {
return "Pressing "
+ shortcut
+ " twice without a class qualifier would show all accessible static methods";
}
}
}
}
if (parameters.getCompletionType() != CompletionType.SMART
&& shouldSuggestSmartCompletion(parameters.getPosition())) {
if (CompletionUtil.shouldShowFeature(
parameters, CodeCompletionFeatures.EDITING_COMPLETION_SMARTTYPE_GENERAL)) {
final String shortcut = getActionShortcut(IdeActions.ACTION_SMART_TYPE_COMPLETION);
if (shortcut != null) {
return CompletionBundle.message("completion.smart.hint", shortcut);
}
}
}
if (parameters.getCompletionType() == CompletionType.SMART
&& parameters.getInvocationCount() == 1) {
final PsiType[] psiTypes =
ExpectedTypesGetter.getExpectedTypes(parameters.getPosition(), true);
if (psiTypes.length > 0) {
if (CompletionUtil.shouldShowFeature(
parameters, JavaCompletionFeatures.SECOND_SMART_COMPLETION_TOAR)) {
final String shortcut = getActionShortcut(IdeActions.ACTION_SMART_TYPE_COMPLETION);
if (shortcut != null) {
for (final PsiType psiType : psiTypes) {
final PsiType type = PsiUtil.extractIterableTypeParameter(psiType, false);
if (type != null) {
return CompletionBundle.message(
"completion.smart.aslist.hint", shortcut, type.getPresentableText());
}
}
}
}
if (CompletionUtil.shouldShowFeature(
parameters, JavaCompletionFeatures.SECOND_SMART_COMPLETION_ASLIST)) {
final String shortcut = getActionShortcut(IdeActions.ACTION_SMART_TYPE_COMPLETION);
if (shortcut != null) {
for (final PsiType psiType : psiTypes) {
if (psiType instanceof PsiArrayType) {
final PsiType componentType = ((PsiArrayType) psiType).getComponentType();
if (!(componentType instanceof PsiPrimitiveType)) {
return CompletionBundle.message(
"completion.smart.toar.hint", shortcut, componentType.getPresentableText());
}
}
}
}
}
if (CompletionUtil.shouldShowFeature(
parameters, JavaCompletionFeatures.SECOND_SMART_COMPLETION_CHAIN)) {
final String shortcut = getActionShortcut(IdeActions.ACTION_SMART_TYPE_COMPLETION);
if (shortcut != null) {
return CompletionBundle.message("completion.smart.chain.hint", shortcut);
}
}
}
}
return null;
}
public static Set<LookupElement> processJavaReference(
PsiElement element,
PsiJavaReference javaReference,
ElementFilter elementFilter,
JavaCompletionProcessor.Options options,
final PrefixMatcher matcher,
CompletionParameters parameters) {
final Set<LookupElement> set = new LinkedHashSet<LookupElement>();
final Condition<String> nameCondition =
new Condition<String>() {
@Override
public boolean value(String s) {
return matcher.prefixMatches(s);
}
};
PsiMethodCallExpression call =
PsiTreeUtil.getParentOfType(element, PsiMethodCallExpression.class);
boolean checkInitialized =
parameters.getInvocationCount() <= 1
&& call != null
&& PsiKeyword.SUPER.equals(call.getMethodExpression().getText());
final JavaCompletionProcessor processor =
new JavaCompletionProcessor(
element, elementFilter, options.withInitialized(checkInitialized), nameCondition);
final PsiType plainQualifier = processor.getQualifierType();
PsiType qualifierType = plainQualifier;
PsiType runtimeQualifier = getQualifierCastType(javaReference, parameters);
if (runtimeQualifier != null) {
PsiType composite =
qualifierType == null
? runtimeQualifier
: PsiIntersectionType.createIntersection(qualifierType, runtimeQualifier);
PsiElement ctx = createContextWithXxxVariable(element, composite);
javaReference =
(PsiReferenceExpression)
JavaPsiFacade.getElementFactory(element.getProject())
.createExpressionFromText("xxx.xxx", ctx);
qualifierType = runtimeQualifier;
processor.setQualifierType(qualifierType);
}
javaReference.processVariants(processor);
final PsiTypeLookupItem castItem =
runtimeQualifier == null
? null
: PsiTypeLookupItem.createLookupItem(
runtimeQualifier, (PsiReferenceExpression) javaReference);
final boolean pkgContext = inSomePackage(element);
final Set<PsiMember> mentioned = new THashSet<PsiMember>();
for (CompletionElement completionElement : processor.getResults()) {
for (LookupElement item : createLookupElements(completionElement, javaReference)) {
item.putUserData(QUALIFIER_TYPE_ATTR, qualifierType);
final Object o = item.getObject();
if (o instanceof PsiClass && !isSourceLevelAccessible(element, (PsiClass) o, pkgContext)) {
continue;
}
if (o instanceof PsiMember) {
if (isInExcludedPackage((PsiMember) o, true)) {
continue;
}
mentioned.add(CompletionUtil.getOriginalOrSelf((PsiMember) o));
}
set.add(
highlightIfNeeded(
qualifierType,
castQualifier(item, castItem, plainQualifier, processor),
o,
element));
}
}
if (javaReference instanceof PsiJavaCodeReferenceElement
&& !((PsiJavaCodeReferenceElement) javaReference).isQualified()) {
final StaticMemberProcessor memberProcessor = new JavaStaticMemberProcessor(parameters);
memberProcessor.processMembersOfRegisteredClasses(
matcher,
new PairConsumer<PsiMember, PsiClass>() {
@Override
public void consume(PsiMember member, PsiClass psiClass) {
if (!mentioned.contains(member)
&& processor.satisfies(member, ResolveState.initial())) {
set.add(memberProcessor.createLookupElement(member, psiClass, true));
}
}
});
}
return set;
}