private void analyzeDfaWithNestedClosures(
PsiElement scope,
ProblemsHolder holder,
StandardDataFlowRunner dfaRunner,
Collection<DfaMemoryState> initialStates) {
final DataFlowInstructionVisitor visitor = new DataFlowInstructionVisitor(dfaRunner);
final RunnerResult rc =
dfaRunner.analyzeMethod(scope, visitor, IGNORE_ASSERT_STATEMENTS, initialStates);
if (rc == RunnerResult.OK) {
createDescription(dfaRunner, holder, visitor);
MultiMap<PsiElement, DfaMemoryState> nestedClosures = dfaRunner.getNestedClosures();
for (PsiElement closure : nestedClosures.keySet()) {
analyzeDfaWithNestedClosures(closure, holder, dfaRunner, nestedClosures.get(closure));
}
} else if (rc == RunnerResult.TOO_COMPLEX) {
if (scope.getParent() instanceof PsiMethod) {
PsiMethod method = (PsiMethod) scope.getParent();
final PsiIdentifier name = method.getNameIdentifier();
if (name != null) { // Might be null for synthetic methods like JSP page.
holder.registerProblem(
name,
InspectionsBundle.message("dataflow.too.complex"),
ProblemHighlightType.WEAK_WARNING);
}
}
}
}
@Override
public void visitMethod(@NotNull PsiMethod method) {
super.visitMethod(method);
final PsiCodeBlock body = method.getBody();
if (body == null) {
return;
}
if (method.getNameIdentifier() == null) {
return;
}
final PsiMethod leastConcreteSuperMethod = getLeastConcreteSuperMethod(method);
if (leastConcreteSuperMethod == null) {
return;
}
final PsiClass objectClass = ClassUtils.findObjectClass(method);
final PsiMethod[] superMethods = method.findSuperMethods(objectClass);
if (superMethods.length > 0) {
return;
}
if (ignoreEmptySuperMethods) {
final PsiMethod superMethod = (PsiMethod) leastConcreteSuperMethod.getNavigationElement();
if (MethodUtils.isTrivial(superMethod, true)) {
return;
}
}
if (onlyReportWhenAnnotated) {
if (!AnnotationUtil.isAnnotated(leastConcreteSuperMethod, annotations)) {
return;
}
}
if (containsSuperCall(body, leastConcreteSuperMethod)) {
return;
}
registerMethodError(method);
}
@Override
public void visitMethod(@NotNull PsiMethod method) {
// note: no call to super
if (method.getNameIdentifier() == null) {
return;
}
if (!method.isConstructor()) {
return;
}
if (ignoreScope != Scope.NONE) {
switch (ignoreScope.ordinal()) {
case 3:
if (method.hasModifierProperty(PsiModifier.PROTECTED)) return;
case 2:
if (method.hasModifierProperty(PsiModifier.PACKAGE_LOCAL)) return;
case 1:
if (method.hasModifierProperty(PsiModifier.PRIVATE)) return;
}
}
final PsiParameterList parameterList = method.getParameterList();
final int parametersCount = parameterList.getParametersCount();
if (parametersCount <= getLimit()) {
return;
}
registerMethodError(method, Integer.valueOf(parametersCount));
}
protected final void registerMethodError(@NotNull PsiMethod method, Object... infos) {
final PsiElement nameIdentifier = method.getNameIdentifier();
if (nameIdentifier == null) {
registerError(method.getContainingFile(), infos);
} else {
registerError(nameIdentifier, infos);
}
}
/**
* Check the element. If the element is a PsiMethod, than we want to know if it's a @Provides
* method, or a Constructor annotated w/ @Inject.
*
* <p>If element is a field, than we only want to see if it is annotated with @Inject.
*
* @return a {@link com.intellij.codeInsight.daemon.GutterIconNavigationHandler} for the
* appropriate type, or null if we don't care about it.
*/
@Nullable
@Override
public LineMarkerInfo getLineMarkerInfo(@NotNull final PsiElement element) {
// Check methods first (includes constructors).
if (element instanceof PsiMethod) {
PsiMethod methodElement = (PsiMethod) element;
// @Provides
if (PsiConsultantImpl.hasAnnotation(element, CLASS_PROVIDES)) {
PsiTypeElement returnTypeElement = methodElement.getReturnTypeElement();
if (returnTypeElement != null) {
return new LineMarkerInfo<PsiElement>(
element,
returnTypeElement.getTextRange(),
ICON,
UPDATE_ALL,
null,
new ProvidesToInjectHandler(),
LEFT);
}
}
// Constructor injection.
if (methodElement.isConstructor() && PsiConsultantImpl.hasAnnotation(element, CLASS_INJECT)) {
PsiIdentifier nameIdentifier = methodElement.getNameIdentifier();
if (nameIdentifier != null) {
return new LineMarkerInfo<PsiElement>(
element,
nameIdentifier.getTextRange(),
ICON,
UPDATE_ALL,
null,
new ConstructorInjectToProvidesHandler(),
LEFT);
}
}
// Not a method, is it a Field?
} else if (element instanceof PsiField) {
// Field injection.
PsiField fieldElement = (PsiField) element;
PsiTypeElement typeElement = fieldElement.getTypeElement();
if (PsiConsultantImpl.hasAnnotation(element, CLASS_INJECT) && typeElement != null) {
return new LineMarkerInfo<PsiElement>(
element,
typeElement.getTextRange(),
ICON,
UPDATE_ALL,
null,
new FieldInjectToProvidesHandler(),
LEFT);
}
}
return null;
}
@Override
public CommonProblemDescriptor[] checkElement(
@NotNull RefEntity refEntity,
@NotNull AnalysisScope scope,
@NotNull final InspectionManager manager,
@NotNull final GlobalInspectionContext globalContext) {
if (refEntity instanceof RefMethod) {
RefMethod refMethod = (RefMethod) refEntity;
if (!refMethod.isReferenced()) return null;
if (hasNonInvertedCalls(refMethod)) return null;
if (!refMethod.getSuperMethods().isEmpty()) return null;
final PsiMethod psiMethod = (PsiMethod) refMethod.getElement();
final PsiIdentifier psiIdentifier = psiMethod.getNameIdentifier();
if (psiIdentifier != null) {
final Collection<RefElement> inReferences = refMethod.getInReferences();
if (inReferences.size() == 1) {
final RefElement refElement = inReferences.iterator().next();
final PsiElement usagesContainer = refElement.getElement();
if (usagesContainer == null) return null;
if (ReferencesSearch.search(psiMethod, new LocalSearchScope(usagesContainer))
.forEach(
new Processor<PsiReference>() {
private final Set<PsiReference> myFoundRefs = new HashSet<>();
@Override
public boolean process(PsiReference reference) {
myFoundRefs.add(reference);
return myFoundRefs.size() < 2;
}
})) return null;
}
return new ProblemDescriptor[] {
manager.createProblemDescriptor(
psiIdentifier,
InspectionsBundle.message("boolean.method.is.always.inverted.problem.descriptor"),
(LocalQuickFix) getQuickFix(null),
ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
false)
};
}
}
return null;
}
@Override
public void visitMethod(@NotNull PsiMethod method) {
super.visitMethod(method);
if (method.isConstructor() || method.hasModifierProperty(PsiModifier.STATIC)) {
return;
}
if (method.hasModifierProperty(PsiModifier.NATIVE)
&& isInspectionEnabled("NativeMethodNamingConvention", method)) {
return;
}
final PsiIdentifier nameIdentifier = method.getNameIdentifier();
if (nameIdentifier == null) {
return;
}
if (TestUtils.isRunnable(method)) {
if (TestUtils.isJUnit4TestMethod(method)
&& isInspectionEnabled("JUnit4MethodNamingConvention", method)) {
return;
}
if (TestUtils.isJUnit3TestMethod(method)
&& isInspectionEnabled("JUnit3MethodNamingConvention", method)) {
return;
}
}
if (isTestNGTestMethod(method)
&& isInspectionEnabled("TestNGMethodNamingConvention", method)) {
return;
}
final String name = method.getName();
if (isValid(name)) {
return;
}
if (!isOnTheFly() && MethodUtils.hasSuper(method)) {
return;
}
if (LibraryUtil.isOverrideOfLibraryMethod(method)) {
return;
}
registerMethodError(method, name);
}
private static void processPrimaryMethod(
JavaChangeInfo changeInfo, PsiMethod method, PsiMethod baseMethod, boolean isOriginal)
throws IncorrectOperationException {
PsiElementFactory factory = JavaPsiFacade.getInstance(method.getProject()).getElementFactory();
if (changeInfo.isVisibilityChanged()) {
PsiModifierList modifierList = method.getModifierList();
final String highestVisibility =
isOriginal
? changeInfo.getNewVisibility()
: VisibilityUtil.getHighestVisibility(
changeInfo.getNewVisibility(),
VisibilityUtil.getVisibilityModifier(modifierList));
VisibilityUtil.setVisibility(modifierList, highestVisibility);
}
if (changeInfo.isNameChanged()) {
String newName =
baseMethod == null
? changeInfo.getNewName()
: RefactoringUtil.suggestNewOverriderName(
method.getName(), baseMethod.getName(), changeInfo.getNewName());
if (newName != null && !newName.equals(method.getName())) {
final PsiIdentifier nameId = method.getNameIdentifier();
assert nameId != null;
nameId.replace(
JavaPsiFacade.getInstance(method.getProject())
.getElementFactory()
.createIdentifier(newName));
}
}
final PsiSubstitutor substitutor =
baseMethod == null
? PsiSubstitutor.EMPTY
: ChangeSignatureProcessor.calculateSubstitutor(method, baseMethod);
if (changeInfo.isReturnTypeChanged()) {
PsiType newTypeElement =
changeInfo
.getNewReturnType()
.getType(changeInfo.getMethod().getParameterList(), method.getManager());
final PsiType returnType = substitutor.substitute(newTypeElement);
// don't modify return type for non-Java overriders (EJB)
if (method.getName().equals(changeInfo.getNewName())) {
final PsiTypeElement typeElement = method.getReturnTypeElement();
if (typeElement != null) {
typeElement.replace(factory.createTypeElement(returnType));
}
}
}
PsiParameterList list = method.getParameterList();
PsiParameter[] parameters = list.getParameters();
final JavaParameterInfo[] parameterInfos = changeInfo.getNewParameters();
final int delta =
baseMethod != null
? baseMethod.getParameterList().getParametersCount()
- method.getParameterList().getParametersCount()
: 0;
PsiParameter[] newParms = new PsiParameter[Math.max(parameterInfos.length - delta, 0)];
final String[] oldParameterNames = changeInfo.getOldParameterNames();
final String[] oldParameterTypes = changeInfo.getOldParameterTypes();
for (int i = 0; i < newParms.length; i++) {
JavaParameterInfo info = parameterInfos[i];
int index = info.getOldIndex();
if (index >= 0) {
PsiParameter parameter = parameters[index];
newParms[i] = parameter;
String oldName = oldParameterNames[index];
if (!oldName.equals(info.getName()) && oldName.equals(parameter.getName())) {
PsiIdentifier newIdentifier = factory.createIdentifier(info.getName());
parameter.getNameIdentifier().replace(newIdentifier);
}
String oldType = oldParameterTypes[index];
if (!oldType.equals(info.getTypeText())) {
parameter.normalizeDeclaration();
PsiType newType =
substitutor.substitute(
info.createType(changeInfo.getMethod().getParameterList(), method.getManager()));
parameter.getTypeElement().replace(factory.createTypeElement(newType));
}
} else {
newParms[i] = createNewParameter(changeInfo, info, substitutor);
}
}
resolveParameterVsFieldsConflicts(newParms, method, list, changeInfo.toRemoveParm());
fixJavadocsForChangedMethod(method, changeInfo, newParms.length);
if (changeInfo.isExceptionSetOrOrderChanged()) {
final PsiClassType[] newExceptions = getPrimaryChangedExceptionInfo(changeInfo);
fixPrimaryThrowsLists(method, newExceptions);
}
}
@Override
public void annotate(@NotNull PsiElement element, @NotNull AnnotationHolder holder) {
if (!MinecraftSettings.Companion.getInstance().isShowEventListenerGutterIcons()) {
return;
}
// Since we want to line up with the method declaration, not the annotation
// declaration, we need to target identifiers, not just PsiMethods.
if (!(element instanceof PsiIdentifier && (element.getParent() instanceof PsiMethod))) {
return;
}
// The PsiIdentifier is going to be a method of course!
PsiMethod method = (PsiMethod) element.getParent();
if (method.hasModifierProperty(PsiModifier.ABSTRACT)) {
// I don't think any implementation allows for abstract
return;
}
PsiModifierList modifierList = method.getModifierList();
Module module = ModuleUtilCore.findModuleForPsiElement(element);
if (module == null) {
return;
}
MinecraftModule instance = MinecraftModule.getInstance(module);
if (instance == null) {
return;
}
// Since each platform has their own valid listener annotations,
// some platforms may have multiple allowed annotations for various cases
final Collection<AbstractModuleType<?>> moduleTypes = instance.getTypes();
boolean contains = false;
for (AbstractModuleType<?> moduleType : moduleTypes) {
final List<String> listenerAnnotations = moduleType.getListenerAnnotations();
for (String listenerAnnotation : listenerAnnotations) {
if (modifierList.findAnnotation(listenerAnnotation) != null) {
contains = true;
break;
}
}
}
if (!contains) {
return;
}
final PsiParameter[] parameters = method.getParameterList().getParameters();
if (parameters.length < 1) {
return;
}
final PsiParameter eventParameter = parameters[0];
if (eventParameter == null) {
// Listeners must have at least a single parameter
return;
}
// Get the type of the parameter so we can start resolving it
PsiTypeElement psiEventElement = eventParameter.getTypeElement();
if (psiEventElement == null) {
return;
}
final PsiType type = psiEventElement.getType();
// Validate that it is a class reference type, I don't know if this will work with
// other JVM languages such as Kotlin or Scala, but it might!
if (!(type instanceof PsiClassReferenceType)) {
return;
}
// And again, make sure that we can at least resolve the type, otherwise it's not a valid
// class reference.
final PsiClass eventClass = ((PsiClassReferenceType) type).resolve();
if (eventClass == null) {
return;
}
if (instance.isEventClassValid(eventClass, method)) {
return;
}
if (!instance.isStaticListenerSupported(eventClass, method)
&& method.hasModifierProperty(PsiModifier.STATIC)) {
if (method.getNameIdentifier() != null) {
holder.createErrorAnnotation(
method.getNameIdentifier(), "Event listener method must not be static");
}
}
if (!isSuperEventListenerAllowed(eventClass, method, instance)) {
holder.createErrorAnnotation(
eventParameter, instance.writeErrorMessageForEvent(eventClass, method));
}
}