public static MultiMap<PsiElement, UsageInfo> classifyUsages(
Collection<? extends PsiElement> elements, UsageInfo[] usages) {
final MultiMap<PsiElement, UsageInfo> result = new MultiMap<PsiElement, UsageInfo>();
for (UsageInfo usage : usages) {
LOG.assertTrue(usage instanceof MoveRenameUsageInfo);
if (usage.getReference() instanceof LightElement) {
continue; // filter out implicit references (e.g. from derived class to super class' default
// constructor)
}
MoveRenameUsageInfo usageInfo = (MoveRenameUsageInfo) usage;
if (usage instanceof RelatedUsageInfo) {
final PsiElement relatedElement = ((RelatedUsageInfo) usage).getRelatedElement();
if (elements.contains(relatedElement)) {
result.putValue(relatedElement, usage);
}
} else {
PsiElement referenced = usageInfo.getReferencedElement();
if (elements.contains(referenced)) {
result.putValue(referenced, usage);
} else if (referenced != null) {
PsiElement indirect = referenced.getNavigationElement();
if (elements.contains(indirect)) {
result.putValue(indirect, usage);
}
}
}
}
return result;
}
public Collection<PsiElement> getAdditionalElementsToDelete(
@NotNull final PsiElement element,
@NotNull final Collection<PsiElement> allElementsToDelete,
final boolean askUser) {
if (element instanceof PsiField) {
PsiField field = (PsiField) element;
final Project project = element.getProject();
String propertyName =
JavaCodeStyleManager.getInstance(project)
.variableNameToPropertyName(field.getName(), VariableKind.FIELD);
PsiClass aClass = field.getContainingClass();
if (aClass != null) {
boolean isStatic = field.hasModifierProperty(PsiModifier.STATIC);
PsiMethod[] getters =
GetterSetterPrototypeProvider.findGetters(aClass, propertyName, isStatic);
if (getters != null) {
final List<PsiMethod> validGetters = new ArrayList<>(1);
for (PsiMethod getter : getters) {
if (!allElementsToDelete.contains(getter) && (getter != null && getter.isPhysical())) {
validGetters.add(getter);
}
}
getters =
validGetters.isEmpty()
? null
: validGetters.toArray(new PsiMethod[validGetters.size()]);
}
PsiMethod setter = PropertyUtil.findPropertySetter(aClass, propertyName, isStatic, false);
if (allElementsToDelete.contains(setter) || setter != null && !setter.isPhysical())
setter = null;
if (askUser && (getters != null || setter != null)) {
final String message =
RefactoringMessageUtil.getGetterSetterMessage(
field.getName(),
RefactoringBundle.message("delete.title"),
getters != null ? getters[0] : null,
setter);
if (!ApplicationManager.getApplication().isUnitTestMode()
&& Messages.showYesNoDialog(
project,
message,
RefactoringBundle.message("safe.delete.title"),
Messages.getQuestionIcon())
!= Messages.YES) {
getters = null;
setter = null;
}
}
List<PsiElement> elements = new ArrayList<>();
if (setter != null) elements.add(setter);
if (getters != null) Collections.addAll(elements, getters);
return elements;
}
}
return null;
}
private static void addAllIfNotPresent(Collection<String> collection, String... annotations) {
for (String annotation : annotations) {
LOG.assertTrue(annotation != null);
if (!collection.contains(annotation)) {
collection.add(annotation);
}
}
}
public static boolean isMethodParameterAnnotatedWith(
final PsiMethod method,
final int idx,
@Nullable Collection<PsiMethod> processed,
final String annFqn,
@Nullable Map<String, Object> annotationAttributeValues,
@Nullable final Set<PsiModifierListOwner> nonNlsTargets) {
if (processed != null) {
if (processed.contains(method)) return false;
} else {
processed = new THashSet<PsiMethod>();
}
processed.add(method);
final PsiParameter[] params = method.getParameterList().getParameters();
PsiParameter param;
if (idx >= params.length) {
if (params.length == 0) {
return false;
}
PsiParameter lastParam = params[params.length - 1];
if (lastParam.isVarArgs()) {
param = lastParam;
} else {
return false;
}
} else {
param = params[idx];
}
final PsiAnnotation annotation = AnnotationUtil.findAnnotation(param, annFqn);
if (annotation != null) {
return processAnnotationAttributes(annotationAttributeValues, annotation);
}
if (nonNlsTargets != null) {
nonNlsTargets.add(param);
}
final PsiMethod[] superMethods = method.findSuperMethods();
for (PsiMethod superMethod : superMethods) {
if (isMethodParameterAnnotatedWith(
superMethod, idx, processed, annFqn, annotationAttributeValues, null)) return true;
}
return false;
}
public CommonProblemDescriptor[] checkElement(
@NotNull final PsiElement psiElement, InspectionManager manager, Project project) {
final Map<PsiElement, Collection<String>> suppressedScopes =
new THashMap<PsiElement, Collection<String>>();
psiElement.accept(
new JavaRecursiveElementWalkingVisitor() {
@Override
public void visitModifierList(PsiModifierList list) {
super.visitModifierList(list);
final PsiElement parent = list.getParent();
if (parent instanceof PsiModifierListOwner && !(parent instanceof PsiClass)) {
checkElement(parent);
}
}
@Override
public void visitComment(PsiComment comment) {
checkElement(comment);
}
@Override
public void visitClass(PsiClass aClass) {
if (aClass == psiElement) {
super.visitClass(aClass);
checkElement(aClass);
}
}
private void checkElement(final PsiElement owner) {
String idsString = SuppressManager.getInstance().getSuppressedInspectionIdsIn(owner);
if (idsString != null && idsString.length() != 0) {
List<String> ids = StringUtil.split(idsString, ",");
if (IGNORE_ALL
&& (ids.contains(SuppressionUtil.ALL)
|| ids.contains(SuppressionUtil.ALL.toLowerCase()))) return;
Collection<String> suppressed = suppressedScopes.get(owner);
if (suppressed == null) {
suppressed = ids;
} else {
for (String id : ids) {
if (!suppressed.contains(id)) {
suppressed.add(id);
}
}
}
suppressedScopes.put(owner, suppressed);
}
}
});
if (suppressedScopes.values().isEmpty()) return null;
// have to visit all file from scratch since inspections can be written in any perversive way
// including checkFile() overriding
Collection<InspectionTool> suppressedTools = new THashSet<InspectionTool>();
InspectionTool[] tools = getInspectionTools(psiElement, manager);
for (Collection<String> ids : suppressedScopes.values()) {
for (Iterator<String> iterator = ids.iterator(); iterator.hasNext(); ) {
final String shortName = iterator.next().trim();
for (InspectionTool tool : tools) {
if (tool instanceof LocalInspectionToolWrapper
&& ((LocalInspectionToolWrapper) tool).getTool().getID().equals(shortName)) {
if (!((LocalInspectionToolWrapper) tool).isUnfair()) {
suppressedTools.add(tool);
} else {
iterator.remove();
break;
}
} else if (tool.getShortName().equals(shortName)) {
// ignore global unused as it won't be checked anyway
if (!(tool instanceof LocalInspectionToolWrapper)
&& !(tool instanceof GlobalInspectionToolWrapper)) {
iterator.remove();
break;
} else {
suppressedTools.add(tool);
}
}
}
}
}
final AnalysisScope scope = new AnalysisScope(psiElement.getContainingFile());
final InspectionManagerEx inspectionManagerEx =
((InspectionManagerEx) InspectionManager.getInstance(project));
GlobalInspectionContextImpl globalContext = inspectionManagerEx.createNewGlobalContext(false);
globalContext.setCurrentScope(scope);
final RefManagerImpl refManager = ((RefManagerImpl) globalContext.getRefManager());
refManager.inspectionReadActionStarted();
final List<ProblemDescriptor> result;
try {
result = new ArrayList<ProblemDescriptor>();
for (InspectionTool tool : suppressedTools) {
String toolId =
tool instanceof LocalInspectionToolWrapper
? ((LocalInspectionToolWrapper) tool).getTool().getID()
: tool.getShortName();
tool.initialize(globalContext);
Collection<CommonProblemDescriptor> descriptors;
if (tool instanceof LocalInspectionToolWrapper) {
LocalInspectionToolWrapper local = (LocalInspectionToolWrapper) tool;
if (local.isUnfair()) continue; // cant't work with passes other than LocalInspectionPass
local.processFile(psiElement.getContainingFile(), false, manager);
descriptors = local.getProblemDescriptors();
} else if (tool instanceof GlobalInspectionToolWrapper) {
GlobalInspectionToolWrapper global = (GlobalInspectionToolWrapper) tool;
if (global.getTool().isGraphNeeded()) {
refManager.findAllDeclarations();
}
global.processFile(scope, manager, globalContext, false);
descriptors = global.getProblemDescriptors();
} else {
continue;
}
for (PsiElement suppressedScope : suppressedScopes.keySet()) {
Collection<String> suppressedIds = suppressedScopes.get(suppressedScope);
if (!suppressedIds.contains(toolId)) continue;
for (CommonProblemDescriptor descriptor : descriptors) {
if (!(descriptor instanceof ProblemDescriptor)) continue;
PsiElement element = ((ProblemDescriptor) descriptor).getPsiElement();
if (element == null) continue;
PsiElement annotation =
SuppressManager.getInstance().getElementToolSuppressedIn(element, toolId);
if (annotation != null && PsiTreeUtil.isAncestor(suppressedScope, annotation, false)
|| annotation == null && !PsiTreeUtil.isAncestor(suppressedScope, element, false)) {
suppressedIds.remove(toolId);
break;
}
}
}
}
for (PsiElement suppressedScope : suppressedScopes.keySet()) {
Collection<String> suppressedIds = suppressedScopes.get(suppressedScope);
for (String toolId : suppressedIds) {
PsiMember psiMember;
String problemLine = null;
if (suppressedScope instanceof PsiMember) {
psiMember = (PsiMember) suppressedScope;
} else {
psiMember = PsiTreeUtil.getParentOfType(suppressedScope, PsiDocCommentOwner.class);
final PsiStatement statement =
PsiTreeUtil.getNextSiblingOfType(suppressedScope, PsiStatement.class);
problemLine = statement != null ? statement.getText() : null;
}
if (psiMember != null && psiMember.isValid()) {
String description =
InspectionsBundle.message("inspection.redundant.suppression.description");
if (myQuickFixes == null) myQuickFixes = new BidirectionalMap<String, QuickFix>();
final String key = toolId + (problemLine != null ? ";" + problemLine : "");
QuickFix fix = myQuickFixes.get(key);
if (fix == null) {
fix = new RemoveSuppressWarningAction(toolId, problemLine);
myQuickFixes.put(key, fix);
}
PsiElement identifier = null;
if (psiMember instanceof PsiMethod) {
identifier = ((PsiMethod) psiMember).getNameIdentifier();
} else if (psiMember instanceof PsiField) {
identifier = ((PsiField) psiMember).getNameIdentifier();
} else if (psiMember instanceof PsiClass) {
identifier = ((PsiClass) psiMember).getNameIdentifier();
}
if (identifier == null) {
identifier = psiMember;
}
result.add(
manager.createProblemDescriptor(
identifier,
description,
(LocalQuickFix) fix,
ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
false));
}
}
}
} finally {
refManager.inspectionReadActionFinished();
globalContext.close(true);
}
return result.toArray(new ProblemDescriptor[result.size()]);
}
@NotNull
final RunnerResult analyzeMethod(
@NotNull PsiElement psiBlock,
@NotNull InstructionVisitor visitor,
boolean ignoreAssertions,
@NotNull Collection<DfaMemoryState> initialStates) {
if (PsiTreeUtil.findChildOfType(psiBlock, OuterLanguageElement.class) != null)
return RunnerResult.NOT_APPLICABLE;
try {
final ControlFlow flow =
new ControlFlowAnalyzer(myValueFactory, psiBlock, ignoreAssertions).buildControlFlow();
if (flow == null) return RunnerResult.NOT_APPLICABLE;
int[] loopNumber = LoopAnalyzer.calcInLoop(flow);
int endOffset = flow.getInstructionCount();
myInstructions = flow.getInstructions();
myNestedClosures.clear();
Set<Instruction> joinInstructions = ContainerUtil.newHashSet();
for (int index = 0; index < myInstructions.length; index++) {
Instruction instruction = myInstructions[index];
if (instruction instanceof GotoInstruction) {
joinInstructions.add(myInstructions[((GotoInstruction) instruction).getOffset()]);
} else if (instruction instanceof ConditionalGotoInstruction) {
joinInstructions.add(
myInstructions[((ConditionalGotoInstruction) instruction).getOffset()]);
} else if (instruction instanceof MethodCallInstruction
&& !((MethodCallInstruction) instruction).getContracts().isEmpty()) {
joinInstructions.add(myInstructions[index + 1]);
}
}
if (LOG.isDebugEnabled()) {
LOG.debug("Analyzing code block: " + psiBlock.getText());
for (int i = 0; i < myInstructions.length; i++) {
LOG.debug(i + ": " + myInstructions[i]);
}
}
// for (int i = 0; i < myInstructions.length; i++) System.out.println(i + ": " +
// myInstructions[i].toString());
Integer tooExpensiveHash = psiBlock.getUserData(TOO_EXPENSIVE_HASH);
if (tooExpensiveHash != null && tooExpensiveHash == psiBlock.getText().hashCode()) {
LOG.debug("Too complex because hasn't changed since being too complex already");
return RunnerResult.TOO_COMPLEX;
}
final StateQueue queue = new StateQueue();
for (final DfaMemoryState initialState : initialStates) {
queue.offer(new DfaInstructionState(myInstructions[0], initialState));
}
MultiMap<BranchingInstruction, DfaMemoryState> processedStates = MultiMap.createSet();
MultiMap<BranchingInstruction, DfaMemoryState> incomingStates = MultiMap.createSet();
long msLimit =
shouldCheckTimeLimit()
? Registry.intValue("ide.dfa.time.limit.online")
: Registry.intValue("ide.dfa.time.limit.offline");
WorkingTimeMeasurer measurer = new WorkingTimeMeasurer(msLimit * 1000 * 1000);
int count = 0;
while (!queue.isEmpty()) {
List<DfaInstructionState> states = queue.getNextInstructionStates(joinInstructions);
for (DfaInstructionState instructionState : states) {
if (count++ % 1024 == 0 && measurer.isTimeOver()) {
LOG.debug("Too complex because the analysis took too long");
psiBlock.putUserData(TOO_EXPENSIVE_HASH, psiBlock.getText().hashCode());
return RunnerResult.TOO_COMPLEX;
}
ProgressManager.checkCanceled();
if (LOG.isDebugEnabled()) {
LOG.debug(instructionState.toString());
}
// System.out.println(instructionState.toString());
Instruction instruction = instructionState.getInstruction();
if (instruction instanceof BranchingInstruction) {
BranchingInstruction branching = (BranchingInstruction) instruction;
Collection<DfaMemoryState> processed = processedStates.get(branching);
if (processed.contains(instructionState.getMemoryState())) {
continue;
}
if (processed.size() > MAX_STATES_PER_BRANCH) {
LOG.debug("Too complex because too many different possible states");
return RunnerResult.TOO_COMPLEX; // Too complex :(
}
if (loopNumber[branching.getIndex()] != 0) {
processedStates.putValue(branching, instructionState.getMemoryState().createCopy());
}
}
DfaInstructionState[] after = acceptInstruction(visitor, instructionState);
for (DfaInstructionState state : after) {
Instruction nextInstruction = state.getInstruction();
if (nextInstruction.getIndex() >= endOffset) {
continue;
}
handleStepOutOfLoop(
instruction,
nextInstruction,
loopNumber,
processedStates,
incomingStates,
states,
after,
queue);
if (nextInstruction instanceof BranchingInstruction) {
BranchingInstruction branching = (BranchingInstruction) nextInstruction;
if (processedStates.get(branching).contains(state.getMemoryState())
|| incomingStates.get(branching).contains(state.getMemoryState())) {
continue;
}
if (loopNumber[branching.getIndex()] != 0) {
incomingStates.putValue(branching, state.getMemoryState().createCopy());
}
}
queue.offer(state);
}
}
}
psiBlock.putUserData(TOO_EXPENSIVE_HASH, null);
LOG.debug("Analysis ok");
return RunnerResult.OK;
} catch (ArrayIndexOutOfBoundsException e) {
LOG.error(psiBlock.getText(), e);
return RunnerResult.ABORTED;
} catch (EmptyStackException e) {
LOG.error(psiBlock.getText(), e);
return RunnerResult.ABORTED;
}
}