public String[] knownNamespaces() { final PsiElement parentElement = getParent(); BidirectionalMap<String, String> map = initNamespaceMaps(parentElement); Set<String> known = Collections.emptySet(); if (map != null) { known = new HashSet<String>(map.values()); } if (parentElement instanceof XmlTag) { if (known.isEmpty()) return ((XmlTag) parentElement).knownNamespaces(); ContainerUtil.addAll(known, ((XmlTag) parentElement).knownNamespaces()); } else { XmlExtension xmlExtension = XmlExtension.getExtensionByElement(this); if (xmlExtension != null) { final XmlFile xmlFile = xmlExtension.getContainingFile(this); if (xmlFile != null) { final XmlTag rootTag = xmlFile.getRootTag(); if (rootTag != null && rootTag != this) { if (known.isEmpty()) return rootTag.knownNamespaces(); ContainerUtil.addAll(known, rootTag.knownNamespaces()); } } } } return ArrayUtil.toStringArray(known); }
@NotNull private static List<PsiMethod> findMethodsBySignature( @NotNull PsiClass aClass, @NotNull PsiMethod patternMethod, boolean checkBases, boolean stopOnFirst) { final PsiMethod[] methodsByName = aClass.findMethodsByName(patternMethod.getName(), checkBases); if (methodsByName.length == 0) return Collections.emptyList(); final List<PsiMethod> methods = new SmartList<PsiMethod>(); final MethodSignature patternSignature = patternMethod.getSignature(PsiSubstitutor.EMPTY); for (final PsiMethod method : methodsByName) { final PsiClass superClass = method.getContainingClass(); final PsiSubstitutor substitutor; if (checkBases && !aClass.equals(superClass)) { substitutor = TypeConversionUtil.getSuperClassSubstitutor(superClass, aClass, PsiSubstitutor.EMPTY); } else { substitutor = PsiSubstitutor.EMPTY; } final MethodSignature signature = method.getSignature(substitutor); if (signature.equals(patternSignature)) { methods.add(method); if (stopOnFirst) { break; } } } return methods; }
@Nullable public static List<? extends PsiElement> getAllPsiElements(final LookupElement item) { List<PsiMethod> allMethods = getAllMethods(item); if (allMethods != null) return allMethods; if (item.getObject() instanceof PsiElement) return Collections.singletonList((PsiElement) item.getObject()); return null; }
@NotNull public static List<Pair<PsiMethod, PsiSubstitutor>> findMethodsAndTheirSubstitutorsByName( @NotNull PsiClass psiClass, String name, boolean checkBases) { if (!checkBases) { final PsiMethod[] methodsByName = psiClass.findMethodsByName(name, false); final List<Pair<PsiMethod, PsiSubstitutor>> ret = new ArrayList<Pair<PsiMethod, PsiSubstitutor>>(methodsByName.length); for (final PsiMethod method : methodsByName) { ret.add(new Pair<PsiMethod, PsiSubstitutor>(method, PsiSubstitutor.EMPTY)); } return ret; } Map<String, List<Pair<PsiMember, PsiSubstitutor>>> map = getMap(psiClass, MemberType.METHOD); @SuppressWarnings("unchecked") List<Pair<PsiMethod, PsiSubstitutor>> list = (List) map.get(name); return list == null ? Collections.<Pair<PsiMethod, PsiSubstitutor>>emptyList() : Collections.unmodifiableList(list); }
@Nullable private PyType createCoroutineType(@Nullable PyType returnType) { final PyBuiltinCache cache = PyBuiltinCache.getInstance(this); if (returnType instanceof PyClassLikeType && PyNames.FAKE_COROUTINE.equals(((PyClassLikeType) returnType).getClassQName())) { return returnType; } final PyClass generator = cache.getClass(PyNames.FAKE_COROUTINE); return generator != null ? new PyCollectionTypeImpl(generator, false, Collections.singletonList(returnType)) : null; }
@Override public List<RefEntity> getChildren() { List<RefEntity> superChildren = super.getChildren(); if (myParameters == null) return superChildren; if (superChildren == null || superChildren.isEmpty()) return Arrays.<RefEntity>asList(myParameters); List<RefEntity> allChildren = new ArrayList<RefEntity>(superChildren.size() + myParameters.length); allChildren.addAll(superChildren); Collections.addAll(allChildren, myParameters); return allChildren; }
private static List<? extends LookupElement> createLookupElements( CompletionElement completionElement, PsiJavaReference reference) { Object completion = completionElement.getElement(); assert !(completion instanceof LookupElement); if (reference instanceof PsiJavaCodeReferenceElement) { if (completion instanceof PsiMethod && ((PsiJavaCodeReferenceElement) reference).getParent() instanceof PsiImportStaticStatement) { return Collections.singletonList( JavaLookupElementBuilder.forMethod((PsiMethod) completion, PsiSubstitutor.EMPTY)); } if (completion instanceof PsiClass) { return JavaClassNameCompletionContributor.createClassLookupItems( (PsiClass) completion, JavaClassNameCompletionContributor.AFTER_NEW.accepts(reference), JavaClassNameInsertHandler.JAVA_CLASS_INSERT_HANDLER, Conditions.<PsiClass>alwaysTrue()); } } if (reference instanceof PsiMethodReferenceExpression && completion instanceof PsiMethod && ((PsiMethod) completion).isConstructor()) { return Collections.singletonList( JavaLookupElementBuilder.forMethod( (PsiMethod) completion, "new", PsiSubstitutor.EMPTY, null)); } LookupElement _ret = LookupItemUtil.objectToLookupItem(completion); if (_ret instanceof LookupItem) { final PsiSubstitutor substitutor = completionElement.getSubstitutor(); if (substitutor != null) { ((LookupItem<?>) _ret).setAttribute(LookupItem.SUBSTITUTOR, substitutor); } } return Collections.singletonList(_ret); }
@NotNull private static List<PsiMember> findByMap( @NotNull PsiClass aClass, String name, boolean checkBases, @NotNull MemberType type) { if (name == null) return Collections.emptyList(); if (checkBases) { Map<String, List<Pair<PsiMember, PsiSubstitutor>>> allMethodsMap = getMap(aClass, type); List<Pair<PsiMember, PsiSubstitutor>> list = allMethodsMap.get(name); if (list == null) return Collections.emptyList(); List<PsiMember> ret = new ArrayList<PsiMember>(list.size()); for (final Pair<PsiMember, PsiSubstitutor> info : list) { ret.add(info.getFirst()); } return ret; } else { PsiMember[] members = null; switch (type) { case METHOD: members = aClass.getMethods(); break; case CLASS: members = aClass.getInnerClasses(); break; case FIELD: members = aClass.getFields(); break; } List<PsiMember> list = new ArrayList<PsiMember>(); for (PsiMember member : members) { if (name.equals(member.getName())) { list.add(member); } } return list; } }
private static void addGetterSetterElements( CompletionResultSet result, PsiClass parent, Set<MethodSignature> addedSignatures) { int count = 0; for (PsiField field : parent.getFields()) { if (field instanceof PsiEnumConstant) continue; List<PsiMethod> prototypes = ContainerUtil.newSmartList(); Collections.addAll( prototypes, GetterSetterPrototypeProvider.generateGetterSetters(field, true)); Collections.addAll( prototypes, GetterSetterPrototypeProvider.generateGetterSetters(field, false)); for (final PsiMethod prototype : prototypes) { if (parent.findMethodBySignature(prototype, false) == null && addedSignatures.add(prototype.getSignature(PsiSubstitutor.EMPTY))) { Icon icon = prototype.getIcon(Iconable.ICON_FLAG_VISIBILITY); result.addElement( createGenerateMethodElement( prototype, PsiSubstitutor.EMPTY, icon, "", new InsertHandler<LookupElement>() { @Override public void handleInsert(InsertionContext context, LookupElement item) { removeLookupString(context); insertGenerationInfos( context, Collections.singletonList(new PsiGenerationInfo<PsiMethod>(prototype))); } })); if (count++ > 100) return; } } } }
public static List<PsiExpression> getReturnExpressions(PsiLambdaExpression lambdaExpression) { final PsiElement body = lambdaExpression.getBody(); if (body instanceof PsiExpression) { // if (((PsiExpression)body).getType() != PsiType.VOID) return Collections.emptyList(); return Collections.singletonList((PsiExpression) body); } final List<PsiExpression> result = new ArrayList<PsiExpression>(); for (PsiReturnStatement returnStatement : getReturnStatements(lambdaExpression)) { final PsiExpression returnValue = returnStatement.getReturnValue(); if (returnValue != null) { result.add(returnValue); } } return result; }
@Nullable private static List<MethodSignature> hasSubsignature(List<MethodSignature> signatures) { for (MethodSignature signature : signatures) { boolean subsignature = true; for (MethodSignature methodSignature : signatures) { if (!signature.equals(methodSignature)) { if (!MethodSignatureUtil.isSubsignature(signature, methodSignature)) { subsignature = false; break; } } } if (subsignature) return Collections.singletonList(signature); } return signatures; }
private static Collection<String> extractAnnotationValuesFromJavaDoc( PsiDocTag tag, String parameter) { if (tag == null) return Collections.emptyList(); Collection<String> results = new ArrayList<>(); Matcher matcher = Pattern.compile("\\@testng.test(?:.*)" + parameter + "\\s*=\\s*\"(.*?)\".*") .matcher(tag.getText()); if (matcher.matches()) { String[] groups = matcher.group(1).split("[,\\s]"); for (String group : groups) { final String trimmed = group.trim(); if (trimmed.length() > 0) { results.add(trimmed); } } } return results; }
@NotNull private Map<String, CachedValue<XmlNSDescriptor>> computeNsDescriptorMap() { Map<String, CachedValue<XmlNSDescriptor>> map = null; // XSD aware attributes processing final String noNamespaceDeclaration = getAttributeValue("noNamespaceSchemaLocation", XmlUtil.XML_SCHEMA_INSTANCE_URI); final String schemaLocationDeclaration = getAttributeValue("schemaLocation", XmlUtil.XML_SCHEMA_INSTANCE_URI); if (noNamespaceDeclaration != null) { map = initializeSchema(XmlUtil.EMPTY_URI, null, noNamespaceDeclaration, map); } if (schemaLocationDeclaration != null) { final StringTokenizer tokenizer = new StringTokenizer(schemaLocationDeclaration); while (tokenizer.hasMoreTokens()) { final String uri = tokenizer.nextToken(); if (tokenizer.hasMoreTokens()) { map = initializeSchema(uri, null, tokenizer.nextToken(), map); } } } // namespace attributes processing (XSD declaration via ExternalResourceManager) if (hasNamespaceDeclarations()) { for (final XmlAttribute attribute : getAttributes()) { if (attribute.isNamespaceDeclaration()) { String ns = attribute.getValue(); if (ns == null) ns = XmlUtil.EMPTY_URI; ns = getRealNs(ns); if (map == null || !map.containsKey(ns)) { map = initializeSchema(ns, getNSVersion(ns, this), getNsLocation(ns), map); } } } } return map == null ? Collections.<String, CachedValue<XmlNSDescriptor>>emptyMap() : map; }
@NotNull public static List<MethodSignatureBackedByPsiMethod> findSuperMethodSignaturesIncludingStatic( PsiMethod method, boolean checkAccess) { if (!canHaveSuperMethod(method, checkAccess, true)) return Collections.emptyList(); return findSuperMethodSignatures(method, null, true); }
@NotNull public Iterable<PyElement> iterateNames() { return Collections.<PyElement>singleton(this); }
public static boolean hasTest( PsiModifierListOwner element, boolean checkHierarchy, boolean checkDisabled, boolean checkJavadoc) { // LanguageLevel effectiveLanguageLevel = element.getManager().getEffectiveLanguageLevel(); // boolean is15 = effectiveLanguageLevel != LanguageLevel.JDK_1_4 && effectiveLanguageLevel != // LanguageLevel.JDK_1_3; boolean hasAnnotation = AnnotationUtil.isAnnotated(element, TEST_ANNOTATION_FQN, checkHierarchy, true); if (hasAnnotation) { if (checkDisabled) { PsiAnnotation annotation = AnnotationUtil.findAnnotation(element, true, TEST_ANNOTATION_FQN); if (annotation != null) { if (isDisabled(annotation)) return false; } } return true; } if (element instanceof PsiDocCommentOwner && checkJavadoc && getTextJavaDoc((PsiDocCommentOwner) element) != null) return true; // now we check all methods for the test annotation if (element instanceof PsiClass) { PsiClass psiClass = (PsiClass) element; for (PsiMethod method : psiClass.getAllMethods()) { PsiAnnotation annotation = AnnotationUtil.findAnnotation(method, true, TEST_ANNOTATION_FQN); if (annotation != null) { if (checkDisabled) { if (isDisabled(annotation)) continue; } return true; } if (AnnotationUtil.isAnnotated(method, FACTORY_ANNOTATION_FQN, false, true)) return true; if (checkJavadoc && getTextJavaDoc(method) != null) return true; } return false; } else if (element instanceof PsiMethod) { // even if it has a global test, we ignore private and static methods if (element.hasModifierProperty(PsiModifier.PRIVATE) || element.hasModifierProperty(PsiModifier.STATIC)) { return false; } // if it's a method, we check if the class it's in has a global @Test annotation PsiClass psiClass = ((PsiMethod) element).getContainingClass(); if (psiClass != null) { final PsiAnnotation annotation = checkHierarchy ? AnnotationUtil.findAnnotationInHierarchy( psiClass, Collections.singleton(TEST_ANNOTATION_FQN)) : AnnotationUtil.findAnnotation(psiClass, true, TEST_ANNOTATION_FQN); if (annotation != null) { if (checkDisabled && isDisabled(annotation)) return false; return !hasConfig(element); } else if (checkJavadoc && getTextJavaDoc(psiClass) != null) return true; } } return false; }
/** @author max Date: Oct 21, 2001 */ public class RefMethodImpl extends RefJavaElementImpl implements RefMethod { private static final List<RefMethod> EMPTY_METHOD_LIST = Collections.emptyList(); private static final RefParameter[] EMPTY_PARAMS_ARRAY = new RefParameter[0]; private static final int IS_APPMAIN_MASK = 0x10000; private static final int IS_LIBRARY_OVERRIDE_MASK = 0x20000; private static final int IS_CONSTRUCTOR_MASK = 0x40000; private static final int IS_ABSTRACT_MASK = 0x80000; private static final int IS_BODY_EMPTY_MASK = 0x100000; private static final int IS_ONLY_CALLS_SUPER_MASK = 0x200000; private static final int IS_RETURN_VALUE_USED_MASK = 0x400000; private static final int IS_TEST_METHOD_MASK = 0x4000000; private static final int IS_CALLED_ON_SUBCLASS_MASK = 0x8000000; private static final String RETURN_VALUE_UNDEFINED = "#"; private List<RefMethod> mySuperMethods; private List<RefMethod> myDerivedMethods; private List<String> myUnThrownExceptions; private RefParameter[] myParameters; private String myReturnValueTemplate; protected final RefClass myOwnerClass; RefMethodImpl(@NotNull RefClass ownerClass, PsiMethod method, RefManager manager) { super(method, manager); ((RefClassImpl) ownerClass).add(this); myOwnerClass = ownerClass; } // To be used only from RefImplicitConstructor. protected RefMethodImpl(@NotNull String name, @NotNull RefClass ownerClass) { super(name, ownerClass); myOwnerClass = ownerClass; ((RefClassImpl) ownerClass).add(this); addOutReference(getOwnerClass()); ((RefClassImpl) getOwnerClass()).addInReference(this); setConstructor(true); } @Override public void add(@NotNull RefEntity child) { if (child instanceof RefParameter) { return; } super.add(child); } @Override public List<RefEntity> getChildren() { List<RefEntity> superChildren = super.getChildren(); if (myParameters == null) return superChildren; if (superChildren == null || superChildren.isEmpty()) return Arrays.<RefEntity>asList(myParameters); List<RefEntity> allChildren = new ArrayList<RefEntity>(superChildren.size() + myParameters.length); allChildren.addAll(superChildren); Collections.addAll(allChildren, myParameters); return allChildren; } @Override protected void initialize() { final PsiMethod method = (PsiMethod) getElement(); LOG.assertTrue(method != null); setConstructor(method.isConstructor()); final PsiType returnType = method.getReturnType(); setFlag( returnType == null || PsiType.VOID.equals(returnType) || returnType.equalsToText(CommonClassNames.JAVA_LANG_VOID), IS_RETURN_VALUE_USED_MASK); if (!isReturnValueUsed()) { myReturnValueTemplate = RETURN_VALUE_UNDEFINED; } if (isConstructor()) { addReference(getOwnerClass(), getOwnerClass().getElement(), method, false, true, null); } if (getOwnerClass().isInterface()) { setAbstract(false); } else { setAbstract(method.hasModifierProperty(PsiModifier.ABSTRACT)); } setAppMain(isAppMain(method, this)); setLibraryOverride(method.hasModifierProperty(PsiModifier.NATIVE)); initializeSuperMethods(method); if (isExternalOverride()) { ((RefClassImpl) getOwnerClass()).addLibraryOverrideMethod(this); } @NonNls final String name = method.getName(); if (getOwnerClass().isTestCase() && name.startsWith("test")) { setTestMethod(true); } PsiParameter[] paramList = method.getParameterList().getParameters(); if (paramList.length > 0) { myParameters = new RefParameterImpl[paramList.length]; for (int i = 0; i < paramList.length; i++) { PsiParameter parameter = paramList[i]; myParameters[i] = getRefJavaManager().getParameterReference(parameter, i); } } if (method.hasModifierProperty(PsiModifier.NATIVE)) { updateReturnValueTemplate(null); updateThrowsList(null); } collectUncaughtExceptions(method); } private static boolean isAppMain(PsiMethod psiMethod, RefMethod refMethod) { if (!refMethod.isStatic()) return false; if (!PsiType.VOID.equals(psiMethod.getReturnType())) return false; PsiMethod appMainPattern = ((RefMethodImpl) refMethod).getRefJavaManager().getAppMainPattern(); if (MethodSignatureUtil.areSignaturesEqual(psiMethod, appMainPattern)) return true; PsiMethod appPremainPattern = ((RefMethodImpl) refMethod).getRefJavaManager().getAppPremainPattern(); if (MethodSignatureUtil.areSignaturesEqual(psiMethod, appPremainPattern)) return true; PsiMethod appAgentmainPattern = ((RefMethodImpl) refMethod).getRefJavaManager().getAppAgentmainPattern(); return MethodSignatureUtil.areSignaturesEqual(psiMethod, appAgentmainPattern); } private void checkForSuperCall(PsiMethod method) { if (isConstructor()) { PsiCodeBlock body = method.getBody(); if (body == null) return; PsiStatement[] statements = body.getStatements(); boolean isBaseExplicitlyCalled = false; if (statements.length > 0) { PsiStatement first = statements[0]; if (first instanceof PsiExpressionStatement) { PsiExpression firstExpression = ((PsiExpressionStatement) first).getExpression(); if (firstExpression instanceof PsiMethodCallExpression) { PsiExpression qualifierExpression = ((PsiMethodCallExpression) firstExpression) .getMethodExpression() .getQualifierExpression(); if (qualifierExpression instanceof PsiReferenceExpression) { @NonNls String text = qualifierExpression.getText(); if ("super".equals(text) || text.equals("this")) { isBaseExplicitlyCalled = true; } } } } } if (!isBaseExplicitlyCalled) { for (RefClass superClass : getOwnerClass().getBaseClasses()) { RefMethodImpl superDefaultConstructor = (RefMethodImpl) superClass.getDefaultConstructor(); if (superDefaultConstructor != null) { superDefaultConstructor.addInReference(this); addOutReference(superDefaultConstructor); } } } } } @Override @NotNull public Collection<RefMethod> getSuperMethods() { if (mySuperMethods == null) return EMPTY_METHOD_LIST; if (mySuperMethods.size() > 10) { LOG.info("method: " + getName() + " owner:" + getOwnerClass().getQualifiedName()); } if (getRefManager().isOfflineView()) { LOG.debug("Should not traverse graph offline"); } return mySuperMethods; } @Override @NotNull public Collection<RefMethod> getDerivedMethods() { if (myDerivedMethods == null) return EMPTY_METHOD_LIST; return myDerivedMethods; } @Override public boolean isBodyEmpty() { return checkFlag(IS_BODY_EMPTY_MASK); } @Override public boolean isOnlyCallsSuper() { return checkFlag(IS_ONLY_CALLS_SUPER_MASK); } @Override public boolean hasBody() { return !isAbstract() && !getOwnerClass().isInterface() || !isBodyEmpty(); } private void initializeSuperMethods(PsiMethod method) { if (getRefManager().isOfflineView()) return; for (PsiMethod psiSuperMethod : method.findSuperMethods()) { if (getRefManager().belongsToScope(psiSuperMethod)) { RefMethodImpl refSuperMethod = (RefMethodImpl) getRefManager().getReference(psiSuperMethod); if (refSuperMethod != null) { addSuperMethod(refSuperMethod); refSuperMethod.markExtended(this); } } else { setLibraryOverride(true); } } } public void addSuperMethod(RefMethodImpl refSuperMethod) { if (!getSuperMethods().contains(refSuperMethod) && !refSuperMethod.getSuperMethods().contains(this)) { if (mySuperMethods == null) { mySuperMethods = new ArrayList<RefMethod>(1); } mySuperMethods.add(refSuperMethod); } } public void markExtended(RefMethodImpl method) { if (!getDerivedMethods().contains(method) && !method.getDerivedMethods().contains(this)) { if (myDerivedMethods == null) { myDerivedMethods = new ArrayList<RefMethod>(1); } myDerivedMethods.add(method); } } @Override @NotNull public RefParameter[] getParameters() { if (myParameters == null) return EMPTY_PARAMS_ARRAY; return myParameters; } @Override public void buildReferences() { // Work on code block to find what we're referencing... PsiMethod method = (PsiMethod) getElement(); if (method == null) return; PsiCodeBlock body = method.getBody(); final RefJavaUtil refUtil = RefJavaUtil.getInstance(); refUtil.addReferences(method, this, body); refUtil.addReferences(method, this, method.getModifierList()); checkForSuperCall(method); setOnlyCallsSuper(refUtil.isMethodOnlyCallsSuper(method)); setBodyEmpty( isOnlyCallsSuper() || !isExternalOverride() && (body == null || body.getStatements().length == 0)); refUtil.addTypeReference(method, method.getReturnType(), getRefManager(), this); for (RefParameter parameter : getParameters()) { refUtil.setIsFinal(parameter, parameter.getElement().hasModifierProperty(PsiModifier.FINAL)); } getRefManager().fireBuildReferences(this); } private void collectUncaughtExceptions(@NotNull PsiMethod method) { if (isExternalOverride()) return; if (getRefManager().isOfflineView()) return; @NonNls final String name = method.getName(); if (getOwnerClass().isTestCase() && name.startsWith("test")) return; if (getSuperMethods().isEmpty()) { PsiClassType[] throwsList = method.getThrowsList().getReferencedTypes(); if (throwsList.length > 0) { myUnThrownExceptions = throwsList.length == 1 ? new SmartList<String>() : new ArrayList<String>(throwsList.length); for (final PsiClassType type : throwsList) { PsiClass aClass = type.resolve(); String fqn = aClass == null ? null : aClass.getQualifiedName(); if (fqn != null) { myUnThrownExceptions.add(fqn); } } } } final PsiCodeBlock body = method.getBody(); if (body == null) return; final Collection<PsiClassType> exceptionTypes = ExceptionUtil.collectUnhandledExceptions(body, method, false); for (final PsiClassType exceptionType : exceptionTypes) { updateThrowsList(exceptionType); } } public void removeUnThrownExceptions(PsiClass unThrownException) { if (myUnThrownExceptions != null) { myUnThrownExceptions.remove(unThrownException.getQualifiedName()); } } @Override public void accept(@NotNull final RefVisitor visitor) { if (visitor instanceof RefJavaVisitor) { ApplicationManager.getApplication() .runReadAction( new Runnable() { @Override public void run() { ((RefJavaVisitor) visitor).visitMethod(RefMethodImpl.this); } }); } else { super.accept(visitor); } } @Override public boolean isExternalOverride() { return isLibraryOverride(new HashSet<RefMethod>()); } private boolean isLibraryOverride(@NotNull Collection<RefMethod> processed) { if (!processed.add(this)) return false; if (checkFlag(IS_LIBRARY_OVERRIDE_MASK)) return true; for (RefMethod superMethod : getSuperMethods()) { if (((RefMethodImpl) superMethod).isLibraryOverride(processed)) { setFlag(true, IS_LIBRARY_OVERRIDE_MASK); return true; } } return false; } @Override public boolean isAppMain() { return checkFlag(IS_APPMAIN_MASK); } @Override public boolean isAbstract() { return checkFlag(IS_ABSTRACT_MASK); } @Override public boolean hasSuperMethods() { return !getSuperMethods().isEmpty() || isExternalOverride(); } @Override public boolean isReferenced() { // Directly called from somewhere.. for (RefElement refCaller : getInReferences()) { if (!getDerivedMethods().contains(refCaller)) return true; } // Library override probably called from library code. return isExternalOverride(); } @Override public boolean hasSuspiciousCallers() { // Directly called from somewhere.. for (RefElement refCaller : getInReferences()) { if (((RefElementImpl) refCaller).isSuspicious() && !getDerivedMethods().contains(refCaller)) return true; } // Library override probably called from library code. if (isExternalOverride()) return true; // Class isn't instantiated. Most probably we have problem with class, not method. if (!isStatic() && !isConstructor()) { if (((RefClassImpl) getOwnerClass()).isSuspicious()) return true; // Is an override. Probably called via reference to base class. for (RefMethod refSuper : getSuperMethods()) { if (((RefMethodImpl) refSuper).isSuspicious()) return true; } } return false; } @Override public boolean isConstructor() { return checkFlag(IS_CONSTRUCTOR_MASK); } @Override public RefClass getOwnerClass() { return (RefClass) getOwner(); } @NotNull @Override public String getName() { if (isValid()) { final String[] result = new String[1]; final Runnable runnable = new Runnable() { @Override public void run() { PsiMethod psiMethod = (PsiMethod) getElement(); if (psiMethod instanceof SyntheticElement) { result[0] = psiMethod.getName(); } else { result[0] = PsiFormatUtil.formatMethod( psiMethod, PsiSubstitutor.EMPTY, PsiFormatUtilBase.SHOW_NAME | PsiFormatUtilBase.SHOW_PARAMETERS, PsiFormatUtilBase.SHOW_TYPE); } } }; ApplicationManager.getApplication().runReadAction(runnable); return result[0]; } else { return super.getName(); } } @Override public String getExternalName() { final String[] result = new String[1]; final Runnable runnable = new Runnable() { @Override public void run() { final PsiMethod psiMethod = (PsiMethod) getElement(); LOG.assertTrue(psiMethod != null); result[0] = PsiFormatUtil.getExternalName(psiMethod, true, Integer.MAX_VALUE); } }; ApplicationManager.getApplication().runReadAction(runnable); return result[0]; } @Nullable public static RefMethod methodFromExternalName(RefManager manager, String externalName) { return (RefMethod) manager.getReference( findPsiMethod(PsiManager.getInstance(manager.getProject()), externalName)); } @Nullable public static PsiMethod findPsiMethod(PsiManager manager, String externalName) { final int spaceIdx = externalName.indexOf(' '); final String className = externalName.substring(0, spaceIdx); final PsiClass psiClass = ClassUtil.findPsiClass(manager, className); if (psiClass == null) return null; try { PsiElementFactory factory = JavaPsiFacade.getInstance(psiClass.getProject()).getElementFactory(); String methodSignature = externalName.substring(spaceIdx + 1); PsiMethod patternMethod = factory.createMethodFromText(methodSignature, psiClass); return psiClass.findMethodBySignature(patternMethod, false); } catch (IncorrectOperationException e) { // Do nothing. Returning null is acceptable in this case. return null; } } @Override public void referenceRemoved() { if (getOwnerClass() != null) { ((RefClassImpl) getOwnerClass()).methodRemoved(this); } super.referenceRemoved(); for (RefMethod superMethod : getSuperMethods()) { superMethod.getDerivedMethods().remove(this); } for (RefMethod subMethod : getDerivedMethods()) { subMethod.getSuperMethods().remove(this); } ArrayList<RefElement> deletedRefs = new ArrayList<RefElement>(); for (RefParameter parameter : getParameters()) { getRefManager().removeRefElement(parameter, deletedRefs); } } @Override public boolean isSuspicious() { if (isConstructor() && PsiModifier.PRIVATE.equals(getAccessModifier()) && getParameters().length == 0 && getOwnerClass().getConstructors().size() == 1) return false; return super.isSuspicious(); } public void setReturnValueUsed(boolean value) { if (checkFlag(IS_RETURN_VALUE_USED_MASK) == value) return; setFlag(value, IS_RETURN_VALUE_USED_MASK); for (RefMethod refSuper : getSuperMethods()) { ((RefMethodImpl) refSuper).setReturnValueUsed(value); } } @Override public boolean isReturnValueUsed() { return checkFlag(IS_RETURN_VALUE_USED_MASK); } public void updateReturnValueTemplate(PsiExpression expression) { if (myReturnValueTemplate == null) return; if (!getSuperMethods().isEmpty()) { for (final RefMethod refMethod : getSuperMethods()) { RefMethodImpl refSuper = (RefMethodImpl) refMethod; refSuper.updateReturnValueTemplate(expression); } } else { String newTemplate = null; final RefJavaUtil refUtil = RefJavaUtil.getInstance(); if (expression instanceof PsiLiteralExpression) { PsiLiteralExpression psiLiteralExpression = (PsiLiteralExpression) expression; newTemplate = psiLiteralExpression.getText(); } else if (expression instanceof PsiReferenceExpression) { PsiReferenceExpression referenceExpression = (PsiReferenceExpression) expression; PsiElement resolved = referenceExpression.resolve(); if (resolved instanceof PsiField) { PsiField psiField = (PsiField) resolved; if (psiField.hasModifierProperty(PsiModifier.STATIC) && psiField.hasModifierProperty(PsiModifier.FINAL) && refUtil.compareAccess(refUtil.getAccessModifier(psiField), getAccessModifier()) >= 0) { newTemplate = PsiFormatUtil.formatVariable( psiField, PsiFormatUtilBase.SHOW_NAME | PsiFormatUtilBase.SHOW_CONTAINING_CLASS | PsiFormatUtilBase.SHOW_FQ_NAME, PsiSubstitutor.EMPTY); } } } else if (refUtil.isCallToSuperMethod(expression, (PsiMethod) getElement())) return; //noinspection StringEquality if (myReturnValueTemplate == RETURN_VALUE_UNDEFINED) { myReturnValueTemplate = newTemplate; } else if (!Comparing.equal(myReturnValueTemplate, newTemplate)) { myReturnValueTemplate = null; } } } public void updateParameterValues(PsiExpression[] args) { if (isExternalOverride()) return; if (!getSuperMethods().isEmpty()) { for (RefMethod refSuper : getSuperMethods()) { ((RefMethodImpl) refSuper).updateParameterValues(args); } } else { final RefParameter[] params = getParameters(); if (params.length <= args.length && params.length > 0) { for (int i = 0; i < args.length; i++) { RefParameter refParameter; if (params.length <= i) { refParameter = params[params.length - 1]; } else { refParameter = params[i]; } ((RefParameterImpl) refParameter).updateTemplateValue(args[i]); } } } } @Override public String getReturnValueIfSame() { //noinspection StringEquality if (myReturnValueTemplate == RETURN_VALUE_UNDEFINED) return null; return myReturnValueTemplate; } public void updateThrowsList(PsiClassType exceptionType) { if (!getSuperMethods().isEmpty()) { for (RefMethod refSuper : getSuperMethods()) { ((RefMethodImpl) refSuper).updateThrowsList(exceptionType); } } else if (myUnThrownExceptions != null) { if (exceptionType == null) { myUnThrownExceptions = null; return; } PsiClass exceptionClass = exceptionType.resolve(); JavaPsiFacade facade = JavaPsiFacade.getInstance(myManager.getProject()); for (int i = myUnThrownExceptions.size() - 1; i >= 0; i--) { String exceptionFqn = myUnThrownExceptions.get(i); PsiClass classType = facade.findClass( exceptionFqn, GlobalSearchScope.allScope(getRefManager().getProject())); if (InheritanceUtil.isInheritorOrSelf(exceptionClass, classType, true) || InheritanceUtil.isInheritorOrSelf(classType, exceptionClass, true)) { myUnThrownExceptions.remove(i); } } if (myUnThrownExceptions.isEmpty()) myUnThrownExceptions = null; } } @Override @Nullable public PsiClass[] getUnThrownExceptions() { if (getRefManager().isOfflineView()) { LOG.debug("Should not traverse graph offline"); } if (myUnThrownExceptions == null) return null; JavaPsiFacade facade = JavaPsiFacade.getInstance(myManager.getProject()); List<PsiClass> result = new ArrayList<PsiClass>(myUnThrownExceptions.size()); for (String exception : myUnThrownExceptions) { PsiClass element = facade.findClass(exception, GlobalSearchScope.allScope(myManager.getProject())); if (element != null) result.add(element); } return result.toArray(new PsiClass[result.size()]); } public void setLibraryOverride(boolean libraryOverride) { setFlag(libraryOverride, IS_LIBRARY_OVERRIDE_MASK); } private void setAppMain(boolean appMain) { setFlag(appMain, IS_APPMAIN_MASK); } private void setAbstract(boolean anAbstract) { setFlag(anAbstract, IS_ABSTRACT_MASK); } public void setBodyEmpty(boolean bodyEmpty) { setFlag(bodyEmpty, IS_BODY_EMPTY_MASK); } private void setOnlyCallsSuper(boolean onlyCallsSuper) { setFlag(onlyCallsSuper, IS_ONLY_CALLS_SUPER_MASK); } private void setConstructor(boolean constructor) { setFlag(constructor, IS_CONSTRUCTOR_MASK); } @Override public boolean isTestMethod() { return checkFlag(IS_TEST_METHOD_MASK); } private void setTestMethod(boolean testMethod) { setFlag(testMethod, IS_TEST_METHOD_MASK); } @Override public PsiModifierListOwner getElement() { return (PsiModifierListOwner) super.getElement(); } @Override public boolean isCalledOnSubClass() { return checkFlag(IS_CALLED_ON_SUBCLASS_MASK); } public void setCalledOnSubClass(boolean isCalledOnSubClass) { setFlag(isCalledOnSubClass, IS_CALLED_ON_SUBCLASS_MASK); } }
/** @return (super method, sub class) or null if can't find any siblings */ @Nullable public static SiblingInfo getSiblingInfoInheritedViaSubClass(@NotNull final PsiMethod method) { return getSiblingInheritanceInfos(Collections.singletonList(method)).get(method); }
private String[] suggestVariableNameByType( final PsiType type, final VariableKind variableKind, final boolean correctKeywords, boolean skipIndices) { String longTypeName = skipIndices ? type.getCanonicalText() : getLongTypeName(type); CodeStyleSettings.TypeToNameMap map = getMapByVariableKind(variableKind); if (map != null && longTypeName != null) { if (type.equals(PsiType.NULL)) { longTypeName = CommonClassNames.JAVA_LANG_OBJECT; } String name = map.nameByType(longTypeName); if (name != null && isIdentifier(name)) { return new String[] {name}; } } final Collection<String> suggestions = new LinkedHashSet<String>(); final PsiClass psiClass = !skipIndices && type instanceof PsiClassType ? ((PsiClassType) type).resolve() : null; if (!skipIndices) { suggestNamesForCollectionInheritors(type, variableKind, suggestions, correctKeywords); if (psiClass != null && CommonClassNames.JAVA_UTIL_OPTIONAL.equals(psiClass.getQualifiedName()) && ((PsiClassType) type).getParameterCount() == 1) { PsiType optionalContent = ((PsiClassType) type).getParameters()[0]; Collections.addAll( suggestions, suggestVariableNameByType(optionalContent, variableKind, correctKeywords, false)); } suggestNamesFromGenericParameters(type, variableKind, suggestions, correctKeywords); } String typeName = getTypeName(type, !skipIndices); if (typeName != null) { typeName = normalizeTypeName(typeName); ContainerUtil.addAll( suggestions, getSuggestionsByName( typeName, variableKind, type instanceof PsiArrayType, correctKeywords)); } if (psiClass != null && psiClass.getContainingClass() != null) { InheritanceUtil.processSupers( psiClass, false, new Processor<PsiClass>() { @Override public boolean process(PsiClass superClass) { if (PsiTreeUtil.isAncestor(superClass, psiClass, true)) { ContainerUtil.addAll( suggestions, getSuggestionsByName( superClass.getName(), variableKind, false, correctKeywords)); } return false; } }); } return ArrayUtil.toStringArray(suggestions); }