public void testRunningAllInPackage() throws IOException, ExecutionException {
Module module1 = getModule1();
GlobalSearchScope module1AndLibraries = GlobalSearchScope.moduleWithLibrariesScope(module1);
PsiClass testCase = findClass(TestCase.class.getName(), module1AndLibraries);
PsiClass psiClass = findTestA(module1);
PsiClass psiClass2 = findTestA(getModule2());
PsiClass derivedTest = findClass(module1, "test1.DerivedTest");
PsiClass baseTestCase = findClass("junit.framework.ThirdPartyClass", module1AndLibraries);
PsiClass testB = findClass(getModule3(), "test1.TestB");
assertNotNull(testCase);
assertNotNull(derivedTest);
assertNotNull(psiClass);
assertTrue(psiClass.isInheritor(testCase, false));
assertEquals(baseTestCase, derivedTest.getSuperClass());
assertTrue(baseTestCase.isInheritor(testCase, true));
assertTrue(derivedTest.isInheritor(testCase, true));
PsiPackage psiPackage = JUnitUtil.getContainingPackage(psiClass);
JUnitConfiguration configuration = createConfiguration(psiPackage, module1);
JavaParameters parameters = checkCanRun(configuration);
List<String> lines = extractAllInPackageTests(parameters, psiPackage);
Assertion.compareUnordered(
new Object[] {
"",
psiClass.getQualifiedName(),
psiClass2.getQualifiedName(),
derivedTest.getQualifiedName(),
RT_INNER_TEST_NAME,
testB.getQualifiedName()
},
lines);
}
private void doMoveClass(PsiSubstitutor substitutor, MemberInfo info) {
PsiElementFactory elementFactory = JavaPsiFacade.getElementFactory(myProject);
PsiClass aClass = (PsiClass) info.getMember();
if (Boolean.FALSE.equals(info.getOverrides())) {
final PsiReferenceList sourceReferenceList = info.getSourceReferenceList();
LOG.assertTrue(sourceReferenceList != null);
PsiJavaCodeReferenceElement ref =
mySourceClass.equals(sourceReferenceList.getParent())
? RefactoringUtil.removeFromReferenceList(sourceReferenceList, aClass)
: RefactoringUtil.findReferenceToClass(sourceReferenceList, aClass);
if (ref != null && !myTargetSuperClass.isInheritor(aClass, false)) {
RefactoringUtil.replaceMovedMemberTypeParameters(
ref, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
final PsiReferenceList referenceList =
myIsTargetInterface
? myTargetSuperClass.getExtendsList()
: myTargetSuperClass.getImplementsList();
assert referenceList != null;
referenceList.add(ref);
}
} else {
RefactoringUtil.replaceMovedMemberTypeParameters(
aClass, PsiUtil.typeParametersIterable(mySourceClass), substitutor, elementFactory);
fixReferencesToStatic(aClass);
final PsiMember movedElement =
(PsiMember)
myTargetSuperClass.add(
convertClassToLanguage(aClass, myTargetSuperClass.getLanguage()));
myMembersAfterMove.add(movedElement);
aClass.delete();
}
}
@Nullable
private static PsiMethodCallExpression checkMethodResolvable(
PsiMethodCallExpression methodCall,
PsiMethod targetMethod,
PsiReferenceExpression context,
PsiClass aClass)
throws IncorrectOperationException {
PsiElementFactory factory =
JavaPsiFacade.getInstance(targetMethod.getProject()).getElementFactory();
final PsiElement resolved = methodCall.getMethodExpression().resolve();
if (resolved != targetMethod) {
PsiClass containingClass;
if (resolved instanceof PsiMethod) {
containingClass = ((PsiMethod) resolved).getContainingClass();
} else if (resolved instanceof PsiClass) {
containingClass = (PsiClass) resolved;
} else {
return null;
}
if (containingClass != null && containingClass.isInheritor(aClass, false)) {
final PsiExpression newMethodExpression =
factory.createExpressionFromText("super." + targetMethod.getName(), context);
methodCall.getMethodExpression().replace(newMethodExpression);
} else {
methodCall = null;
}
}
return methodCall;
}
public static boolean inheritsITestListener(@NotNull PsiClass psiClass) {
final Project project = psiClass.getProject();
final PsiClass aListenerClass =
JavaPsiFacade.getInstance(project)
.findClass(ITestNGListener.class.getName(), GlobalSearchScope.allScope(project));
return aListenerClass != null && psiClass.isInheritor(aListenerClass, true);
}
public void testEnum() throws Exception {
setupLoadingFilter();
final PsiClass enumClass =
myJavaFacade.findClass("enums.OurEnum", GlobalSearchScope.moduleScope(myModule));
assertNotNull(enumClass);
assertTrue(enumClass.isEnum());
final PsiClass superClass = enumClass.getSuperClass();
assertNotNull(superClass);
assertEquals("java.lang.Enum", superClass.getQualifiedName());
assertTrue(enumClass.isInheritor(superClass, false));
final PsiClassType[] superTypes = enumClass.getSuperTypes();
assertEquals(1, superTypes.length);
assertEquals("java.lang.Enum<enums.OurEnum>", superTypes[0].getCanonicalText());
final PsiClass[] supers = enumClass.getSupers();
assertEquals(1, supers.length);
assertEquals("java.lang.Enum", supers[0].getQualifiedName());
final PsiClassType[] extendsListTypes = enumClass.getExtendsListTypes();
assertEquals(1, extendsListTypes.length);
assertEquals("java.lang.Enum<enums.OurEnum>", extendsListTypes[0].getCanonicalText());
final PsiSubstitutor superClassSubstitutor =
TypeConversionUtil.getSuperClassSubstitutor(superClass, enumClass, PsiSubstitutor.EMPTY);
assertEquals(
"java.lang.Enum<enums.OurEnum>",
myJavaFacade
.getElementFactory()
.createType(superClass, superClassSubstitutor)
.getCanonicalText());
teardownLoadingFilter();
}
private void checkSimpleClasses(PsiType ltype, PsiType rtype, GrBinaryExpression expression) {
if (!(rtype instanceof PsiClassType)) return;
if (!(ltype instanceof PsiClassType)) return;
PsiClass lclass = ((PsiClassType) ltype).resolve();
PsiClass rclass = ((PsiClassType) rtype).resolve();
if (lclass == null || rclass == null) return;
if (expression.getManager().areElementsEquivalent(lclass, rclass)) return;
if (lclass.isInterface() || rclass.isInterface()) return;
if (lclass.isInheritor(rclass, true) || rclass.isInheritor(lclass, true)) return;
registerError(expression, ltype, rtype);
}
private static void addSuper(final Set<PsiClass> supers, final PsiClass classToAdd) {
for (Iterator<PsiClass> iterator = supers.iterator(); iterator.hasNext(); ) {
PsiClass superClass = iterator.next();
if (InheritanceUtil.isInheritorOrSelf(superClass, classToAdd, true)) return;
if (classToAdd.isInheritor(superClass, true)) iterator.remove();
}
supers.add(classToAdd);
}
private boolean isAmbiguousInherited(PsiClass containingClass1) {
PsiClass psiClass = PsiTreeUtil.getParentOfType(myPlace, PsiClass.class);
while (psiClass != null) {
if (psiClass.isInheritor(containingClass1, false)) {
return true;
}
psiClass = psiClass.getContainingClass();
}
return false;
}
public String getConflictingConjunctsMessage() {
final PsiType[] conjuncts = getConjuncts();
for (int i = 0; i < conjuncts.length; i++) {
PsiClass conjunct = PsiUtil.resolveClassInClassTypeOnly(conjuncts[i]);
if (conjunct != null && !conjunct.isInterface()) {
for (int i1 = i + 1; i1 < conjuncts.length; i1++) {
PsiClass oppositeConjunct = PsiUtil.resolveClassInClassTypeOnly(conjuncts[i1]);
if (oppositeConjunct != null && !oppositeConjunct.isInterface()) {
if (!conjunct.isInheritor(oppositeConjunct, true)
&& !oppositeConjunct.isInheritor(conjunct, true)) {
return conjuncts[i].getPresentableText()
+ " and "
+ conjuncts[i1].getPresentableText();
}
}
}
}
}
return null;
}
@Nullable
private ProblemDescriptor createDescription(
@NotNull PsiTypeCastExpression cast, @NotNull InspectionManager manager, boolean onTheFly) {
PsiExpression operand = cast.getOperand();
PsiTypeElement castType = cast.getCastType();
if (operand == null || castType == null) return null;
PsiElement parent = cast.getParent();
while (parent instanceof PsiParenthesizedExpression) {
parent = parent.getParent();
}
if (parent instanceof PsiReferenceExpression) {
if (IGNORE_ANNOTATED_METHODS) {
final PsiElement gParent = parent.getParent();
if (gParent instanceof PsiMethodCallExpression) {
final PsiMethod psiMethod = ((PsiMethodCallExpression) gParent).resolveMethod();
if (psiMethod != null && NullableNotNullManager.isNotNull(psiMethod)) {
final PsiClass superClass = PsiUtil.resolveClassInType(operand.getType());
final PsiClass containingClass = psiMethod.getContainingClass();
if (containingClass != null
&& superClass != null
&& containingClass.isInheritor(superClass, true)) {
for (PsiMethod method : psiMethod.findSuperMethods(superClass)) {
if (NullableNotNullManager.isNullable(method)) {
return null;
}
}
}
}
}
}
} else if (parent instanceof PsiExpressionList) {
final PsiElement gParent = parent.getParent();
if (gParent instanceof PsiMethodCallExpression && IGNORE_SUSPICIOUS_METHOD_CALLS) {
final String message =
SuspiciousCollectionsMethodCallsInspection.getSuspiciousMethodCallMessage(
(PsiMethodCallExpression) gParent,
operand.getType(),
true,
new ArrayList<PsiMethod>(),
new IntArrayList());
if (message != null) {
return null;
}
}
}
String message =
InspectionsBundle.message(
"inspection.redundant.cast.problem.descriptor",
"<code>" + operand.getText() + "</code>",
"<code>#ref</code> #loc");
return manager.createProblemDescriptor(
castType, message, myQuickFixAction, ProblemHighlightType.LIKE_UNUSED_SYMBOL, onTheFly);
}
@Override
public boolean isInheritor(@NotNull PsiClass baseClass, boolean checkDeep) {
for (PsiType type : getBounds(InferenceBound.UPPER)) {
PsiClass psiClass = PsiUtil.resolveClassInClassTypeOnly(type);
if (psiClass != null) {
if (getManager().areElementsEquivalent(baseClass, psiClass)) return true;
if (checkDeep && psiClass.isInheritor(baseClass, true)) return true;
}
}
return super.isInheritor(baseClass, checkDeep);
}
/**
* Returns true if the given associated activity class is either found in the given set of
* classes, or (less likely) extends any of the classes in that set
*/
private static boolean containsOrExtends(
@NotNull Set<PsiClass> resolvedClasses, @NotNull PsiClass relatedActivity) {
if (resolvedClasses.contains(relatedActivity)) {
return true;
}
for (PsiClass resolvedClass : resolvedClasses) {
if (relatedActivity.isInheritor(resolvedClass, false)) {
return true;
}
}
return false;
}
private static void getLeastUpperClassesInner(
PsiClass aClass, PsiClass bClass, Set<PsiClass> supers, Set<PsiClass> visited) {
if (bClass.isInheritor(aClass, true)) {
addSuper(supers, aClass);
} else {
final PsiClass[] aSupers = aClass.getSupers();
for (PsiClass aSuper : aSupers) {
if (visited.add(aSuper)) {
getLeastUpperClassesInner(aSuper, bClass, supers, visited);
}
}
}
}
public static boolean isSuperMethod(
@NotNull PsiMethod superMethodCandidate, @NotNull PsiMethod derivedMethod) {
PsiClass superClassCandidate = superMethodCandidate.getContainingClass();
PsiClass derivedClass = derivedMethod.getContainingClass();
if (derivedClass == null || superClassCandidate == null) return false;
if (!derivedClass.isInheritor(superClassCandidate, true)) return false;
final PsiSubstitutor superSubstitutor =
TypeConversionUtil.getSuperClassSubstitutor(
superClassCandidate, derivedClass, PsiSubstitutor.EMPTY);
final MethodSignature superSignature = superMethodCandidate.getSignature(superSubstitutor);
final MethodSignature derivedSignature = derivedMethod.getSignature(PsiSubstitutor.EMPTY);
return isSubsignature(superSignature, derivedSignature);
}
@Override
public ProblemDescriptor[] checkClass(
@NotNull PsiClass aClass, @NotNull InspectionManager manager, boolean isOnTheFly) {
final Project project = aClass.getProject();
final PsiIdentifier nameIdentifier = aClass.getNameIdentifier();
final Module module = ModuleUtil.findModuleForPsiElement(aClass);
if (nameIdentifier == null || module == null || !PsiUtil.isInstanciatable(aClass)) return null;
final PsiClass base =
JavaPsiFacade.getInstance(project)
.findClass(INTENTION, GlobalSearchScope.allScope(project));
if (base == null || !aClass.isInheritor(base, true)) return null;
String descriptionDir = getDescriptionDirName(aClass);
if (StringUtil.isEmptyOrSpaces(descriptionDir)) {
return null;
}
for (PsiDirectory description : getIntentionDescriptionsDirs(module)) {
PsiDirectory dir = description.findSubdirectory(descriptionDir);
if (dir == null) continue;
final PsiFile descr = dir.findFile("description.html");
if (descr != null) {
if (!hasBeforeAndAfterTemplate(dir.getVirtualFile())) {
PsiElement problem = aClass.getNameIdentifier();
ProblemDescriptor problemDescriptor =
manager.createProblemDescriptor(
problem == null ? nameIdentifier : problem,
"Intention must have 'before.*.template' and 'after.*.template' beside 'description.html'",
isOnTheFly,
ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
return new ProblemDescriptor[] {problemDescriptor};
}
return null;
}
}
final PsiElement problem = aClass.getNameIdentifier();
final ProblemDescriptor problemDescriptor =
manager.createProblemDescriptor(
problem == null ? nameIdentifier : problem,
"Intention does not have a description",
isOnTheFly,
new LocalQuickFix[] {new CreateHtmlDescriptionFix(descriptionDir, module, true)},
ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
return new ProblemDescriptor[] {problemDescriptor};
}
private Domination dominates(
PsiClass aClass, boolean accessible, String fqName, ClassCandidateInfo info) {
final PsiClass otherClass = info.getElement();
assert otherClass != null;
String otherQName = otherClass.getQualifiedName();
if (fqName.equals(otherQName)) {
return Domination.DOMINATED_BY;
}
final PsiClass containingClass1 = aClass.getContainingClass();
final PsiClass containingClass2 = otherClass.getContainingClass();
if (containingClass1 != null
&& containingClass2 != null
&& containingClass2.isInheritor(containingClass1, true)
&& !isImported(myCurrentFileContext)) {
// shadowing
return Domination.DOMINATED_BY;
}
boolean infoAccessible = info.isAccessible();
if (infoAccessible && !accessible) {
return Domination.DOMINATED_BY;
}
if (!infoAccessible && accessible) {
return Domination.DOMINATES;
}
// everything wins over class from default package
boolean isDefault = StringUtil.getPackageName(fqName).length() == 0;
boolean otherDefault =
otherQName != null && StringUtil.getPackageName(otherQName).length() == 0;
if (isDefault && !otherDefault) {
return Domination.DOMINATED_BY;
}
if (!isDefault && otherDefault) {
return Domination.DOMINATES;
}
// single import wins over on-demand
boolean myOnDemand = isOnDemand(myCurrentFileContext, aClass);
boolean otherOnDemand = isOnDemand(info.getCurrentFileResolveScope(), otherClass);
if (myOnDemand && !otherOnDemand) {
return Domination.DOMINATED_BY;
}
if (!myOnDemand && otherOnDemand) {
return Domination.DOMINATES;
}
return Domination.EQUAL;
}
@Override
public ProblemDescriptor[] checkClass(
@NotNull PsiClass aClass, @NotNull InspectionManager manager, boolean isOnTheFly) {
final Project project = aClass.getProject();
final PsiIdentifier nameIdentifier = aClass.getNameIdentifier();
final Module module = ModuleUtilCore.findModuleForPsiElement(aClass);
if (nameIdentifier == null || module == null || !PsiUtil.isInstantiable(aClass)) return null;
final PsiClass base =
JavaPsiFacade.getInstance(project).findClass(getClassName(), aClass.getResolveScope());
if (base == null || !aClass.isInheritor(base, true)) return null;
String descriptionDir = DescriptionCheckerUtil.getDescriptionDirName(aClass);
if (StringUtil.isEmptyOrSpaces(descriptionDir)) {
return null;
}
for (PsiDirectory description : getDescriptionsDirs(module)) {
PsiDirectory dir = description.findSubdirectory(descriptionDir);
if (dir == null) continue;
final PsiFile descr = dir.findFile("description.html");
if (descr != null) {
if (!hasBeforeAndAfterTemplate(dir.getVirtualFile())) {
PsiElement problem = aClass.getNameIdentifier();
ProblemDescriptor problemDescriptor =
manager.createProblemDescriptor(
problem == null ? nameIdentifier : problem,
getHasNotBeforeAfterError(),
isOnTheFly,
ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
false);
return new ProblemDescriptor[] {problemDescriptor};
}
return null;
}
}
final PsiElement problem = aClass.getNameIdentifier();
final ProblemDescriptor problemDescriptor =
manager.createProblemDescriptor(
problem == null ? nameIdentifier : problem,
getHasNotDescriptionError(),
isOnTheFly,
new LocalQuickFix[] {getFix(module, descriptionDir)},
ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
return new ProblemDescriptor[] {problemDescriptor};
}
@Override
protected void visitClassMemberReferenceElement(GrMember classMember, GrReferenceElement ref) {
if (classMember != null && !willBeMoved(classMember, myMovedMembers)) {
final PsiClass containingClass = classMember.getContainingClass();
if (containingClass != null
&& !PsiUtil.isAccessibleFromPackage(classMember, myTargetPackage)
&& (classMember.hasModifierProperty(PsiModifier.PACKAGE_LOCAL)
|| classMember.hasModifierProperty(PsiModifier.PROTECTED)
&& !mySubClass.isInheritor(containingClass, true))) {
myConflicts.putValue(
myMember,
RefactoringUIUtil.getDescription(classMember, true) + " won't be accessible");
}
}
}
@PsiUtil.AccessLevel
private static int getEffectiveLevel(
@NotNull PsiElement element,
@NotNull PsiFile file,
@NotNull PsiFile memberFile,
PsiClass memberClass,
PsiPackage memberPackage) {
PsiClass aClass = PsiTreeUtil.getParentOfType(element, PsiClass.class);
if (memberClass != null && PsiTreeUtil.isAncestor(aClass, memberClass, false)
|| aClass != null && PsiTreeUtil.isAncestor(memberClass, aClass, false)) {
// access from the same file can be via private
// except when used in annotation:
// @Ann(value = C.VAL) class C { public static final String VAL = "xx"; }
PsiAnnotation annotation = PsiTreeUtil.getParentOfType(element, PsiAnnotation.class);
if (annotation != null
&& annotation.getParent() instanceof PsiModifierList
&& annotation.getParent().getParent() == aClass) {
return PsiUtil.ACCESS_LEVEL_PACKAGE_LOCAL;
}
return PsiUtil.ACCESS_LEVEL_PRIVATE;
}
// if (file == memberFile) {
// return PsiUtil.ACCESS_LEVEL_PACKAGE_LOCAL;
// }
PsiDirectory directory = file.getContainingDirectory();
PsiPackage aPackage =
directory == null ? null : JavaDirectoryService.getInstance().getPackage(directory);
if (aPackage == memberPackage
|| aPackage != null
&& memberPackage != null
&& Comparing.strEqual(
aPackage.getQualifiedName(), memberPackage.getQualifiedName())) {
return PsiUtil.ACCESS_LEVEL_PACKAGE_LOCAL;
}
if (aClass != null && memberClass != null && aClass.isInheritor(memberClass, true)) {
// access from subclass can be via protected, except for constructors
PsiElement resolved =
element instanceof PsiReference ? ((PsiReference) element).resolve() : null;
boolean isConstructor =
resolved instanceof PsiClass && element.getParent() instanceof PsiNewExpression
|| resolved instanceof PsiMethod && ((PsiMethod) resolved).isConstructor();
if (!isConstructor) {
return PsiUtil.ACCESS_LEVEL_PROTECTED;
}
}
return PsiUtil.ACCESS_LEVEL_PUBLIC;
}
private static void addResultFromReference(
final PsiReference reference,
final PsiClass methodClass,
final PsiManager manager,
final PsiClass aClass,
final Processor<UsageInfo> results,
final FindUsagesOptions options) {
PsiElement refElement = reference.getElement();
if (refElement instanceof PsiReferenceExpression) {
PsiClass usedClass =
getFieldOrMethodAccessedClass((PsiReferenceExpression) refElement, methodClass);
if (usedClass != null) {
if (manager.areElementsEquivalent(usedClass, aClass)
|| usedClass.isInheritor(aClass, true)) {
addResult(results, refElement, options);
}
}
}
}
public static boolean isJUnitTestCase(PsiClass aClass) {
final Project project = aClass.getProject();
final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiClass testCase = psiFacade.findClass("junit.framework.TestCase", scope);
if (testCase == null) {
return false;
}
if (aClass.isInheritor(testCase, true)) {
return true;
}
final PsiMethod[] methods = aClass.getMethods();
for (PsiMethod method : methods) {
//noinspection HardCodedStringLiteral
if (AnnotationUtil.isAnnotated(method, "org.junit.Test", true)) {
return true;
}
}
return false;
}
@Nullable
private SiblingInfo findSibling(PsiClass inheritor, PsiClass anInterface, PsiMethod method) {
for (PsiMethod superMethod : anInterface.findMethodsByName(method.getName(), true)) {
PsiElement navigationElement = superMethod.getNavigationElement();
if (!(navigationElement instanceof PsiMethod)) continue; // Kotlin
superMethod = (PsiMethod) navigationElement;
ProgressManager.checkCanceled();
PsiClass superInterface = superMethod.getContainingClass();
if (superInterface == null || myContainingClass.isInheritor(superInterface, true)) {
// if containingClass implements the superInterface then it's not a sibling inheritance
// but a pretty boring the usual one
continue;
}
if (isOverridden(inheritor, method, superMethod, superInterface)) {
return new SiblingInfo(superMethod, inheritor);
}
}
return null;
}
@NotNull
private static Collection<PsiClass> findRelatedActivities(
@NotNull XmlFile file,
@NotNull AndroidFacet facet,
@NotNull DomFileDescription<?> description) {
if (description instanceof LayoutDomFileDescription) {
final Computable<List<GotoRelatedItem>> computable =
AndroidGotoRelatedProvider.getLazyItemsForXmlFile(file, facet);
if (computable == null) {
return Collections.emptyList();
}
final List<GotoRelatedItem> items = computable.compute();
if (items.isEmpty()) {
return Collections.emptyList();
}
final PsiClass activityClass = findActivityClass(facet.getModule());
if (activityClass == null) {
return Collections.emptyList();
}
final List<PsiClass> result = new ArrayList<PsiClass>();
for (GotoRelatedItem item : items) {
final PsiElement element = item.getElement();
if (element instanceof PsiClass) {
final PsiClass aClass = (PsiClass) element;
if (aClass.isInheritor(activityClass, true)) {
result.add(aClass);
}
}
}
return result;
} else {
return findRelatedActivitiesForMenu(file, facet);
}
}
protected void initialize() {
myDefaultConstructor = null;
final PsiClass psiClass = getElement();
LOG.assertTrue(psiClass != null);
PsiElement psiParent = psiClass.getParent();
if (psiParent instanceof PsiFile) {
if (isSyntheticJSP()) {
final RefFileImpl refFile =
(RefFileImpl) getRefManager().getReference(JspPsiUtil.getJspFile(psiClass));
LOG.assertTrue(refFile != null);
refFile.add(this);
} else if (psiParent instanceof PsiJavaFile) {
PsiJavaFile psiFile = (PsiJavaFile) psiParent;
String packageName = psiFile.getPackageName();
if (!"".equals(packageName)) {
((RefPackageImpl) getRefJavaManager().getPackage(packageName)).add(this);
} else {
((RefPackageImpl) getRefJavaManager().getDefaultPackage()).add(this);
}
}
final Module module = ModuleUtil.findModuleForPsiElement(psiClass);
LOG.assertTrue(module != null);
final RefModuleImpl refModule = ((RefModuleImpl) getRefManager().getRefModule(module));
LOG.assertTrue(refModule != null);
refModule.add(this);
} else {
while (!(psiParent instanceof PsiClass
|| psiParent instanceof PsiMethod
|| psiParent instanceof PsiField)) {
psiParent = psiParent.getParent();
}
RefElement refParent = getRefManager().getReference(psiParent);
LOG.assertTrue(refParent != null);
((RefElementImpl) refParent).add(this);
}
setAbstract(psiClass.hasModifierProperty(PsiModifier.ABSTRACT));
setAnonymous(psiClass instanceof PsiAnonymousClass);
setIsLocal(!(isAnonymous() || psiParent instanceof PsiClass || psiParent instanceof PsiFile));
setInterface(psiClass.isInterface());
initializeSuperReferences(psiClass);
PsiMethod[] psiMethods = psiClass.getMethods();
PsiField[] psiFields = psiClass.getFields();
setUtilityClass(psiMethods.length > 0 || psiFields.length > 0);
for (PsiField psiField : psiFields) {
getRefManager().getReference(psiField);
}
if (!isApplet()) {
final PsiClass servlet = getRefJavaManager().getServlet();
setServlet(servlet != null && psiClass.isInheritor(servlet, true));
}
if (!isApplet() && !isServlet()) {
setTestCase(TestUtil.isTestClass(psiClass));
for (RefClass refBase : getBaseClasses()) {
((RefClassImpl) refBase).setTestCase(true);
}
}
for (PsiMethod psiMethod : psiMethods) {
RefMethod refMethod = (RefMethod) getRefManager().getReference(psiMethod);
if (refMethod != null) {
if (psiMethod.isConstructor()) {
if (psiMethod.getParameterList().getParametersCount() > 0
|| !psiMethod.hasModifierProperty(PsiModifier.PRIVATE)) {
setUtilityClass(false);
}
addConstructor(refMethod);
if (psiMethod.getParameterList().getParametersCount() == 0) {
setDefaultConstructor((RefMethodImpl) refMethod);
}
} else {
if (!psiMethod.hasModifierProperty(PsiModifier.STATIC)) {
setUtilityClass(false);
}
}
}
}
if (getConstructors().size() == 0 && !isInterface() && !isAnonymous()) {
RefImplicitConstructorImpl refImplicitConstructor = new RefImplicitConstructorImpl(this);
setDefaultConstructor(refImplicitConstructor);
addConstructor(refImplicitConstructor);
}
if (isInterface()) {
for (int i = 0; i < psiFields.length && isUtilityClass(); i++) {
PsiField psiField = psiFields[i];
if (!psiField.hasModifierProperty(PsiModifier.STATIC)) {
setUtilityClass(false);
}
}
}
final PsiClass applet = getRefJavaManager().getApplet();
setApplet(applet != null && psiClass.isInheritor(applet, true));
getRefManager().fireNodeInitialized(this);
}
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 generateFindViewById() {
PsiClass activityClass =
JavaPsiFacade.getInstance(mProject)
.findClass("android.app.Activity", new EverythingGlobalScope(mProject));
PsiClass compatActivityClass =
JavaPsiFacade.getInstance(mProject)
.findClass(
"android.support.v7.app.AppCompatActivity", new EverythingGlobalScope(mProject));
PsiClass fragmentClass =
JavaPsiFacade.getInstance(mProject)
.findClass("android.app.Fragment", new EverythingGlobalScope(mProject));
PsiClass supportFragmentClass =
JavaPsiFacade.getInstance(mProject)
.findClass("android.support.v4.app.Fragment", new EverythingGlobalScope(mProject));
// Check for Activity class
if ((activityClass != null && mClass.isInheritor(activityClass, true))
|| (compatActivityClass != null && mClass.isInheritor(compatActivityClass, true))
|| mClass.getName().contains("Activity")) {
if (mClass.findMethodsByName("onCreate", false).length == 0) {
// Add an empty stub of onCreate()
StringBuilder method = new StringBuilder();
method.append(
"@Override protected void onCreate(android.os.Bundle savedInstanceState) {\n");
method.append("super.onCreate(savedInstanceState);\n");
method.append("\t// TODO: add setContentView(...) and run LayoutCreator again\n");
method.append("}");
mClass.add(mFactory.createMethodFromText(method.toString(), mClass));
} else {
PsiStatement setContentViewStatement = null;
boolean hasInitViewStatement = false;
PsiMethod onCreate = mClass.findMethodsByName("onCreate", false)[0];
for (PsiStatement statement : onCreate.getBody().getStatements()) {
// Search for setContentView()
if (statement.getFirstChild() instanceof PsiMethodCallExpression) {
PsiReferenceExpression methodExpression =
((PsiMethodCallExpression) statement.getFirstChild()).getMethodExpression();
if (methodExpression.getText().equals("setContentView")) {
setContentViewStatement = statement;
} else if (methodExpression.getText().equals("initView")) {
hasInitViewStatement = true;
}
}
}
if (!hasInitViewStatement && setContentViewStatement != null) {
// Insert initView() after setContentView()
onCreate
.getBody()
.addAfter(
mFactory.createStatementFromText("initView();", mClass), setContentViewStatement);
}
generatorLayoutCode("this", null);
}
// Check for Fragment class
} else if ((fragmentClass != null && mClass.isInheritor(fragmentClass, true))
|| (supportFragmentClass != null && mClass.isInheritor(supportFragmentClass, true))) {
if (mClass.findMethodsByName("onCreateView", false).length == 0) {
// Add an empty stub of onCreateView()
StringBuilder method = new StringBuilder();
method.append(
"@Override public View onCreateView(android.view.LayoutInflater inflater, android.view.ViewGroup container, android.os.Bundle savedInstanceState) {\n");
method.append(
"\t// TODO: inflate a fragment like bottom ... and run LayoutCreator again\n");
method.append("View view = View.inflate(getActivity(), R.layout.frag_layout, null);");
method.append("return view;");
method.append("}");
mClass.add(mFactory.createMethodFromText(method.toString(), mClass));
} else {
PsiReturnStatement returnStatement = null;
String returnValue = null;
boolean hasInitViewStatement = false;
PsiMethod onCreateView = mClass.findMethodsByName("onCreateView", false)[0];
for (PsiStatement statement : onCreateView.getBody().getStatements()) {
if (statement instanceof PsiReturnStatement) {
returnStatement = (PsiReturnStatement) statement;
returnValue = returnStatement.getReturnValue().getText();
} else if (statement.getFirstChild() instanceof PsiMethodCallExpression) {
PsiReferenceExpression methodExpression =
((PsiMethodCallExpression) statement.getFirstChild()).getMethodExpression();
if (methodExpression.getText().equals("initView")) {
hasInitViewStatement = true;
}
}
}
if (!hasInitViewStatement && returnStatement != null && returnValue != null) {
// Insert initView() before return statement
onCreateView
.getBody()
.addBefore(
mFactory.createStatementFromText("initView(" + returnValue + ");", mClass),
returnStatement);
}
generatorLayoutCode("getContext()", returnValue);
}
}
}
@Override
public boolean reduce(InferenceSession session, List<ConstraintFormula> constraints) {
if (!LambdaUtil.isFunctionalType(myT)) {
return false;
}
final PsiType groundTargetType =
FunctionalInterfaceParameterizationUtil.getGroundTargetType(myT);
final PsiClassType.ClassResolveResult classResolveResult =
PsiUtil.resolveGenericsClassInType(groundTargetType);
final PsiMethod interfaceMethod = LambdaUtil.getFunctionalInterfaceMethod(classResolveResult);
if (interfaceMethod == null) {
return false;
}
final PsiSubstitutor substitutor =
LambdaUtil.getSubstitutor(interfaceMethod, classResolveResult);
final PsiParameter[] targetParameters = interfaceMethod.getParameterList().getParameters();
final PsiType interfaceMethodReturnType = interfaceMethod.getReturnType();
final PsiType returnType = substitutor.substitute(interfaceMethodReturnType);
final PsiType[] typeParameters = myExpression.getTypeParameters();
final PsiMethodReferenceUtil.QualifierResolveResult qualifierResolveResult =
PsiMethodReferenceUtil.getQualifierResolveResult(myExpression);
if (!myExpression.isExact()) {
for (PsiParameter parameter : targetParameters) {
if (!session.isProperType(substitutor.substitute(parameter.getType()))) {
return false;
}
}
} else {
final PsiMember applicableMember = myExpression.getPotentiallyApplicableMember();
LOG.assertTrue(applicableMember != null);
final PsiClass applicableMemberContainingClass = applicableMember.getContainingClass();
final PsiClass containingClass = qualifierResolveResult.getContainingClass();
PsiSubstitutor psiSubstitutor = qualifierResolveResult.getSubstitutor();
psiSubstitutor =
applicableMemberContainingClass == null
|| containingClass == null
|| myExpression.isConstructor()
? psiSubstitutor
: TypeConversionUtil.getSuperClassSubstitutor(
applicableMemberContainingClass, containingClass, psiSubstitutor);
PsiType applicableMethodReturnType =
applicableMember instanceof PsiMethod
? ((PsiMethod) applicableMember).getReturnType()
: null;
int idx = 0;
for (PsiTypeParameter param :
((PsiTypeParameterListOwner) applicableMember).getTypeParameters()) {
if (idx < typeParameters.length) {
psiSubstitutor = psiSubstitutor.put(param, typeParameters[idx++]);
}
}
final PsiParameter[] parameters =
applicableMember instanceof PsiMethod
? ((PsiMethod) applicableMember).getParameterList().getParameters()
: PsiParameter.EMPTY_ARRAY;
if (targetParameters.length == parameters.length + 1) {
specialCase(session, constraints, substitutor, targetParameters, true);
for (int i = 1; i < targetParameters.length; i++) {
constraints.add(
new TypeCompatibilityConstraint(
session.substituteWithInferenceVariables(
psiSubstitutor.substitute(parameters[i - 1].getType())),
substitutor.substitute(targetParameters[i].getType())));
}
} else if (targetParameters.length == parameters.length) {
for (int i = 0; i < targetParameters.length; i++) {
constraints.add(
new TypeCompatibilityConstraint(
session.substituteWithInferenceVariables(
psiSubstitutor.substitute(parameters[i].getType())),
substitutor.substitute(targetParameters[i].getType())));
}
} else {
return false;
}
if (returnType != PsiType.VOID && returnType != null) {
if (applicableMethodReturnType == PsiType.VOID) {
return false;
}
if (applicableMethodReturnType != null) {
constraints.add(
new TypeCompatibilityConstraint(
returnType,
session.substituteWithInferenceVariables(
psiSubstitutor.substitute(applicableMethodReturnType))));
} else if (applicableMember instanceof PsiClass
|| applicableMember instanceof PsiMethod
&& ((PsiMethod) applicableMember).isConstructor()) {
final PsiElementFactory elementFactory =
JavaPsiFacade.getElementFactory(applicableMember.getProject());
if (containingClass != null) {
final PsiType classType =
session.substituteWithInferenceVariables(
elementFactory.createType(containingClass, psiSubstitutor));
constraints.add(new TypeCompatibilityConstraint(returnType, classType));
}
}
}
return true;
}
final Map<PsiElement, PsiType> map = LambdaUtil.getFunctionalTypeMap();
final PsiType added = map.put(myExpression, session.startWithFreshVars(groundTargetType));
final JavaResolveResult resolve;
try {
resolve = myExpression.advancedResolve(true);
} finally {
if (added == null) {
map.remove(myExpression);
}
}
final PsiElement element = resolve.getElement();
if (element == null) {
return false;
}
if (PsiType.VOID.equals(returnType) || returnType == null) {
return true;
}
if (element instanceof PsiMethod) {
final PsiMethod method = (PsiMethod) element;
final PsiType referencedMethodReturnType;
final PsiClass containingClass = method.getContainingClass();
LOG.assertTrue(containingClass != null, method);
PsiClass qContainingClass = qualifierResolveResult.getContainingClass();
PsiSubstitutor psiSubstitutor = qualifierResolveResult.getSubstitutor();
if (qContainingClass != null) {
if (PsiUtil.isRawSubstitutor(qContainingClass, psiSubstitutor)) {
psiSubstitutor = PsiSubstitutor.EMPTY;
}
if (qContainingClass.isInheritor(containingClass, true)) {
psiSubstitutor =
TypeConversionUtil.getClassSubstitutor(
containingClass, qContainingClass, PsiSubstitutor.EMPTY);
LOG.assertTrue(psiSubstitutor != null);
}
}
if (method.isConstructor()) {
referencedMethodReturnType =
JavaPsiFacade.getElementFactory(method.getProject())
.createType(containingClass, PsiSubstitutor.EMPTY);
} else {
referencedMethodReturnType = method.getReturnType();
}
LOG.assertTrue(referencedMethodReturnType != null, method);
if (!PsiTreeUtil.isContextAncestor(containingClass, myExpression, false)
|| PsiUtil.getEnclosingStaticElement(myExpression, containingClass) != null) {
session.initBounds(myExpression, containingClass.getTypeParameters());
}
session.initBounds(myExpression, method.getTypeParameters());
// if i) the method reference elides NonWildTypeArguments,
// ii) the compile-time declaration is a generic method, and
// iii) the return type of the compile-time declaration mentions at least one of the method's
// type parameters;
if (typeParameters.length == 0 && method.getTypeParameters().length > 0) {
final PsiClass interfaceClass = classResolveResult.getElement();
LOG.assertTrue(interfaceClass != null);
if (PsiPolyExpressionUtil.mentionsTypeParameters(
referencedMethodReturnType, ContainerUtil.newHashSet(method.getTypeParameters()))) {
// the constraint reduces to the bound set B3 which would be used to determine the method
// reference's invocation type
// when targeting the return type of the function type, as defined in 18.5.2.
session.collectApplicabilityConstraints(
myExpression, ((MethodCandidateInfo) resolve), groundTargetType);
session.registerReturnTypeConstraints(referencedMethodReturnType, returnType);
return true;
}
}
if (PsiType.VOID.equals(referencedMethodReturnType)) {
return false;
}
int idx = 0;
for (PsiTypeParameter param : method.getTypeParameters()) {
if (idx < typeParameters.length) {
psiSubstitutor = psiSubstitutor.put(param, typeParameters[idx++]);
}
}
final PsiParameter[] parameters = method.getParameterList().getParameters();
if (targetParameters.length == parameters.length + 1
&& !method.isVarArgs()
&& PsiPolyExpressionUtil.mentionsTypeParameters(
referencedMethodReturnType,
ContainerUtil.newHashSet(
containingClass.getTypeParameters()))) { // todo specification bug?
specialCase(session, constraints, substitutor, targetParameters, false);
}
constraints.add(
new TypeCompatibilityConstraint(
returnType,
session.substituteWithInferenceVariables(
psiSubstitutor.substitute(referencedMethodReturnType))));
}
return true;
}
private Domination dominates(
PsiClass aClass, boolean accessible, String fqName, ClassCandidateInfo info) {
final PsiClass otherClass = info.getElement();
assert otherClass != null;
String otherQName = otherClass.getQualifiedName();
if (fqName.equals(otherQName)) {
return Domination.DOMINATED_BY;
}
final PsiClass containingClass1 = aClass.getContainingClass();
final PsiClass containingClass2 = otherClass.getContainingClass();
if (myAccessClass != null && !Comparing.equal(containingClass1, containingClass2)) {
if (myAccessClass.equals(containingClass1)) return Domination.DOMINATES;
if (myAccessClass.equals(containingClass2)) return Domination.DOMINATED_BY;
}
// JLS 8.5:
// A class may inherit two or more type declarations with the same name, either from two
// interfaces or from its superclass and an interface.
// It is a compile-time error to attempt to refer to any ambiguously inherited class or
// interface by its simple name.
if (containingClass1 != null
&& containingClass2 != null
&& containingClass2.isInheritor(containingClass1, true)
&& !isImported(myCurrentFileContext)) {
if (!isAmbiguousInherited(containingClass1)) {
// shadowing
return Domination.DOMINATED_BY;
}
}
boolean infoAccessible = info.isAccessible() && isAccessible(otherClass);
if (infoAccessible && !accessible) {
return Domination.DOMINATED_BY;
}
if (!infoAccessible && accessible) {
return Domination.DOMINATES;
}
// everything wins over class from default package
boolean isDefault = StringUtil.getPackageName(fqName).length() == 0;
boolean otherDefault =
otherQName != null && StringUtil.getPackageName(otherQName).length() == 0;
if (isDefault && !otherDefault) {
return Domination.DOMINATED_BY;
}
if (!isDefault && otherDefault) {
return Domination.DOMINATES;
}
// single import wins over on-demand
boolean myOnDemand = isOnDemand(myCurrentFileContext, aClass);
boolean otherOnDemand = isOnDemand(info.getCurrentFileResolveScope(), otherClass);
if (myOnDemand && !otherOnDemand) {
return Domination.DOMINATED_BY;
}
if (!myOnDemand && otherOnDemand) {
return Domination.DOMINATES;
}
return Domination.EQUAL;
}
@NotNull
private static LookupElement castQualifier(
@NotNull LookupElement item,
@Nullable final PsiTypeLookupItem castTypeItem,
@Nullable PsiType plainQualifier,
JavaCompletionProcessor processor) {
if (castTypeItem == null) {
return item;
}
if (plainQualifier != null) {
Object o = item.getObject();
if (o instanceof PsiMethod) {
PsiType castType = castTypeItem.getType();
if (plainQualifier instanceof PsiClassType && castType instanceof PsiClassType) {
PsiMethod method = (PsiMethod) o;
PsiClassType.ClassResolveResult plainResult =
((PsiClassType) plainQualifier).resolveGenerics();
PsiClass plainClass = plainResult.getElement();
if (plainClass != null && plainClass.findMethodBySignature(method, true) != null) {
PsiClass castClass = ((PsiClassType) castType).resolveGenerics().getElement();
if (castClass == null || !castClass.isInheritor(plainClass, true)) {
return item;
}
PsiSubstitutor plainSub = plainResult.getSubstitutor();
PsiSubstitutor castSub =
TypeConversionUtil.getSuperClassSubstitutor(plainClass, (PsiClassType) castType);
PsiType returnType = method.getReturnType();
if (method.getSignature(plainSub).equals(method.getSignature(castSub))) {
PsiType typeAfterCast = toRaw(castSub.substitute(returnType));
PsiType typeDeclared = toRaw(plainSub.substitute(returnType));
if (typeAfterCast != null
&& typeDeclared != null
&& typeAfterCast.isAssignableFrom(typeDeclared)
&& processor.isAccessible(plainClass.findMethodBySignature(method, true))) {
return item;
}
}
}
}
} else if (containsMember(plainQualifier, o)) {
return item;
}
}
return LookupElementDecorator.withInsertHandler(
item,
new InsertHandlerDecorator<LookupElement>() {
@Override
public void handleInsert(
InsertionContext context, LookupElementDecorator<LookupElement> item) {
final Document document = context.getEditor().getDocument();
context.commitDocument();
final PsiFile file = context.getFile();
final PsiJavaCodeReferenceElement ref =
PsiTreeUtil.findElementOfClassAtOffset(
file, context.getStartOffset(), PsiJavaCodeReferenceElement.class, false);
if (ref != null) {
final PsiElement qualifier = ref.getQualifier();
if (qualifier != null) {
final CommonCodeStyleSettings settings = context.getCodeStyleSettings();
final String parenSpace = settings.SPACE_WITHIN_PARENTHESES ? " " : "";
document.insertString(qualifier.getTextRange().getEndOffset(), parenSpace + ")");
final String spaceWithin = settings.SPACE_WITHIN_CAST_PARENTHESES ? " " : "";
final String prefix = "(" + parenSpace + "(" + spaceWithin;
final String spaceAfter = settings.SPACE_AFTER_TYPE_CAST ? " " : "";
final int exprStart = qualifier.getTextRange().getStartOffset();
document.insertString(exprStart, prefix + spaceWithin + ")" + spaceAfter);
CompletionUtil.emulateInsertion(context, exprStart + prefix.length(), castTypeItem);
PsiDocumentManager.getInstance(file.getProject())
.doPostponedOperationsAndUnblockDocument(document);
context.getEditor().getCaretModel().moveToOffset(context.getTailOffset());
}
}
item.getDelegate().handleInsert(context);
}
});
}
private Specifics isMoreSpecific(
@NotNull MethodCandidateInfo info1,
@NotNull MethodCandidateInfo info2,
@MethodCandidateInfo.ApplicabilityLevelConstant int applicabilityLevel,
@NotNull LanguageLevel languageLevel) {
PsiMethod method1 = info1.getElement();
PsiMethod method2 = info2.getElement();
final PsiClass class1 = method1.getContainingClass();
final PsiClass class2 = method2.getContainingClass();
final PsiParameter[] params1 = method1.getParameterList().getParameters();
final PsiParameter[] params2 = method2.getParameterList().getParameters();
final PsiTypeParameter[] typeParameters1 = method1.getTypeParameters();
final PsiTypeParameter[] typeParameters2 = method2.getTypeParameters();
final PsiSubstitutor classSubstitutor1 =
info1.getSubstitutor(false); // substitutions for method type parameters will be ignored
final PsiSubstitutor classSubstitutor2 = info2.getSubstitutor(false);
final int max = Math.max(params1.length, params2.length);
PsiType[] types1 = PsiType.createArray(max);
PsiType[] types2 = PsiType.createArray(max);
final boolean varargsPosition =
applicabilityLevel == MethodCandidateInfo.ApplicabilityLevel.VARARGS;
for (int i = 0; i < max; i++) {
ProgressManager.checkCanceled();
PsiType type1 =
params1.length > 0 ? params1[Math.min(i, params1.length - 1)].getType() : null;
PsiType type2 =
params2.length > 0 ? params2[Math.min(i, params2.length - 1)].getType() : null;
if (varargsPosition) {
if (type1 instanceof PsiEllipsisType
&& type2 instanceof PsiEllipsisType
&& params1.length == params2.length
&& class1 != null
&& (!JavaVersionService.getInstance().isAtLeast(class1, JavaSdkVersion.JDK_1_7)
|| ((PsiArrayType) type1)
.getComponentType()
.equalsToText(CommonClassNames.JAVA_LANG_OBJECT)
|| ((PsiArrayType) type2)
.getComponentType()
.equalsToText(CommonClassNames.JAVA_LANG_OBJECT))) {
type1 = ((PsiEllipsisType) type1).toArrayType();
type2 = ((PsiEllipsisType) type2).toArrayType();
} else {
type1 =
type1 instanceof PsiEllipsisType ? ((PsiArrayType) type1).getComponentType() : type1;
type2 =
type2 instanceof PsiEllipsisType ? ((PsiArrayType) type2).getComponentType() : type2;
}
}
types1[i] = type1;
types2[i] = type2;
}
boolean sameBoxing = true;
int[] boxingHappened = new int[2];
for (int i = 0; i < types1.length; i++) {
ProgressManager.checkCanceled();
PsiType type1 = classSubstitutor1.substitute(types1[i]);
PsiType type2 = classSubstitutor2.substitute(types2[i]);
PsiType argType = i < getActualParameterTypes().length ? getActualParameterTypes()[i] : null;
boolean boxingInFirst = false;
if (isBoxingHappened(argType, type1, languageLevel)) {
boxingHappened[0] += 1;
boxingInFirst = true;
}
boolean boxingInSecond = false;
if (isBoxingHappened(argType, type2, languageLevel)) {
boxingHappened[1] += 1;
boxingInSecond = true;
}
sameBoxing &= boxingInFirst == boxingInSecond;
}
if (boxingHappened[0] == 0 && boxingHappened[1] > 0) return Specifics.FIRST;
if (boxingHappened[0] > 0 && boxingHappened[1] == 0) return Specifics.SECOND;
if (sameBoxing) {
final PsiSubstitutor siteSubstitutor1 = info1.getSiteSubstitutor();
final PsiSubstitutor siteSubstitutor2 = info2.getSiteSubstitutor();
final PsiType[] types2AtSite = typesAtSite(types2, siteSubstitutor2);
final PsiType[] types1AtSite = typesAtSite(types1, siteSubstitutor1);
final PsiSubstitutor methodSubstitutor1 =
calculateMethodSubstitutor(
typeParameters1, method1, siteSubstitutor1, types1, types2AtSite, languageLevel);
boolean applicable12 =
isApplicableTo(
types2AtSite, method1, languageLevel, varargsPosition, methodSubstitutor1, method2);
final PsiSubstitutor methodSubstitutor2 =
calculateMethodSubstitutor(
typeParameters2, method2, siteSubstitutor2, types2, types1AtSite, languageLevel);
boolean applicable21 =
isApplicableTo(
types1AtSite, method2, languageLevel, varargsPosition, methodSubstitutor2, method1);
if (!myLanguageLevel.isAtLeast(LanguageLevel.JDK_1_8)) {
final boolean typeArgsApplicable12 =
GenericsUtil.isTypeArgumentsApplicable(
typeParameters1, methodSubstitutor1, myArgumentsList, !applicable21);
final boolean typeArgsApplicable21 =
GenericsUtil.isTypeArgumentsApplicable(
typeParameters2, methodSubstitutor2, myArgumentsList, !applicable12);
if (!typeArgsApplicable12) {
applicable12 = false;
}
if (!typeArgsApplicable21) {
applicable21 = false;
}
}
if (applicable12 || applicable21) {
if (applicable12 && !applicable21) return Specifics.SECOND;
if (applicable21 && !applicable12) return Specifics.FIRST;
final boolean abstract1 = method1.hasModifierProperty(PsiModifier.ABSTRACT);
final boolean abstract2 = method2.hasModifierProperty(PsiModifier.ABSTRACT);
if (abstract1 && !abstract2) {
return Specifics.SECOND;
}
if (abstract2 && !abstract1) {
return Specifics.FIRST;
}
}
if (languageLevel.isAtLeast(LanguageLevel.JDK_1_8)
&& myArgumentsList instanceof PsiExpressionList
&& (typeParameters1.length == 0 || typeParameters2.length == 0)) {
boolean toCompareFunctional = false;
if (types1.length > 0 && types2.length > 0) {
for (int i = 0; i < getActualParametersLength(); i++) {
final PsiType type1 = types1[Math.min(i, types1.length - 1)];
final PsiType type2 = types2[Math.min(i, types2.length - 1)];
// from 15.12.2.5 Choosing the Most Specific Method
// In addition, a functional interface type S is more specific than a functional
// interface type T for an expression exp
// if T is not a subtype of S and one of the following conditions apply.
if (LambdaUtil.isFunctionalType(type1)
&& !TypeConversionUtil.erasure(type1).isAssignableFrom(type2)
&& LambdaUtil.isFunctionalType(type2)
&& !TypeConversionUtil.erasure(type2).isAssignableFrom(type1)) {
types1AtSite[Math.min(i, types1.length - 1)] = PsiType.NULL;
types2AtSite[Math.min(i, types2.length - 1)] = PsiType.NULL;
toCompareFunctional = true;
}
}
}
if (toCompareFunctional) {
final boolean applicable12ignoreFunctionalType =
isApplicableTo(
types2AtSite,
method1,
languageLevel,
varargsPosition,
calculateMethodSubstitutor(
typeParameters1,
method1,
siteSubstitutor1,
types1,
types2AtSite,
languageLevel),
null);
final boolean applicable21ignoreFunctionalType =
isApplicableTo(
types1AtSite,
method2,
languageLevel,
varargsPosition,
calculateMethodSubstitutor(
typeParameters2,
method2,
siteSubstitutor2,
types2,
types1AtSite,
languageLevel),
null);
if (applicable12ignoreFunctionalType || applicable21ignoreFunctionalType) {
Specifics specifics = null;
for (int i = 0; i < getActualParametersLength(); i++) {
if (types1AtSite[Math.min(i, types1.length - 1)] == PsiType.NULL
&& types2AtSite[Math.min(i, types2.length - 1)] == PsiType.NULL) {
Specifics specific =
isFunctionalTypeMoreSpecific(
info1, info2, ((PsiExpressionList) myArgumentsList).getExpressions()[i], i);
if (specific == Specifics.NEITHER) {
specifics = Specifics.NEITHER;
break;
}
if (specifics == null) {
specifics = specific;
} else if (specifics != specific) {
specifics = Specifics.NEITHER;
break;
}
}
}
if (!applicable12ignoreFunctionalType && applicable21ignoreFunctionalType) {
return specifics == Specifics.FIRST ? Specifics.FIRST : Specifics.NEITHER;
}
if (!applicable21ignoreFunctionalType && applicable12ignoreFunctionalType) {
return specifics == Specifics.SECOND ? Specifics.SECOND : Specifics.NEITHER;
}
return specifics;
}
}
}
} else if (varargsPosition) {
final PsiType lastParamType1 = classSubstitutor1.substitute(types1[types1.length - 1]);
final PsiType lastParamType2 = classSubstitutor2.substitute(types2[types1.length - 1]);
final boolean assignable1 = TypeConversionUtil.isAssignable(lastParamType2, lastParamType1);
final boolean assignable2 = TypeConversionUtil.isAssignable(lastParamType1, lastParamType2);
if (assignable1 && !assignable2) {
return Specifics.FIRST;
}
if (assignable2 && !assignable1) {
return Specifics.SECOND;
}
}
if (class1 != class2) {
if (class2.isInheritor(class1, true) || class1.isInterface() && !class2.isInterface()) {
if (MethodSignatureUtil.isSubsignature(
method1.getSignature(info1.getSubstitutor(false)),
method2.getSignature(info2.getSubstitutor(false)))) {
return Specifics.SECOND;
} else if (method1.hasModifierProperty(PsiModifier.STATIC)
&& method2.hasModifierProperty(PsiModifier.STATIC)
&& boxingHappened[0] == 0) {
return Specifics.SECOND;
}
} else if (MethodSignatureUtil.areErasedParametersEqual(
method1.getSignature(PsiSubstitutor.EMPTY),
method2.getSignature(PsiSubstitutor.EMPTY))
&& MethodSignatureUtil.isSubsignature(
method2.getSignature(info2.getSubstitutor(false)),
method1.getSignature(info1.getSubstitutor(false)))) {
return Specifics.FIRST;
} else if (class1.isInheritor(class2, true) || class2.isInterface()) {
if (method1.hasModifierProperty(PsiModifier.STATIC)
&& method2.hasModifierProperty(PsiModifier.STATIC)
&& boxingHappened[0] == 0) {
return Specifics.FIRST;
}
}
}
final boolean raw1 = PsiUtil.isRawSubstitutor(method1, classSubstitutor1);
final boolean raw2 = PsiUtil.isRawSubstitutor(method2, classSubstitutor2);
if (raw1 ^ raw2) {
return raw1 ? Specifics.SECOND : Specifics.FIRST;
}
final boolean varargs1 = info1.isVarargs();
final boolean varargs2 = info2.isVarargs();
if (varargs1 ^ varargs2) {
return varargs1 ? Specifics.SECOND : Specifics.FIRST;
}
return Specifics.NEITHER;
}
