private static boolean isParameterUsedRecursively(
@NotNull PsiElement element, @NotNull List<PsiReference> array) {
if (!(element instanceof PsiParameter)) return false;
PsiParameter parameter = (PsiParameter) element;
PsiElement scope = parameter.getDeclarationScope();
if (!(scope instanceof PsiMethod)) return false;
PsiMethod method = (PsiMethod) scope;
int paramIndex = ArrayUtilRt.find(method.getParameterList().getParameters(), parameter);
for (PsiReference reference : array) {
if (!(reference instanceof PsiElement)) return false;
PsiElement argument = (PsiElement) reference;
PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression)
new PsiMatcherImpl(argument)
.dot(PsiMatchers.hasClass(PsiReferenceExpression.class))
.parent(PsiMatchers.hasClass(PsiExpressionList.class))
.parent(PsiMatchers.hasClass(PsiMethodCallExpression.class))
.getElement();
if (methodCallExpression == null) return false;
PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
if (method != methodExpression.resolve()) return false;
PsiExpressionList argumentList = methodCallExpression.getArgumentList();
PsiExpression[] arguments = argumentList.getExpressions();
int argumentIndex = ArrayUtilRt.find(arguments, argument);
if (paramIndex != argumentIndex) return false;
}
return true;
}
static String createContainsExpressionText(
@NotNull PsiMethodCallExpression call, @NotNull PsiJavaToken sign, boolean flipped) {
final IElementType tokenType = sign.getTokenType();
final PsiReferenceExpression methodExpression = call.getMethodExpression();
final PsiExpression qualifierExpression = methodExpression.getQualifierExpression();
final String qualifierText;
if (qualifierExpression == null) {
qualifierText = "";
} else {
qualifierText = qualifierExpression.getText();
}
final PsiExpressionList argumentList = call.getArgumentList();
final PsiExpression expression = argumentList.getExpressions()[0];
@NonNls
final String newExpressionText = qualifierText + ".contains(" + expression.getText() + ')';
if (tokenType.equals(JavaTokenType.EQEQ)) {
return '!' + newExpressionText;
} else if (!flipped
&& (tokenType.equals(JavaTokenType.LT) || tokenType.equals(JavaTokenType.LE))) {
return '!' + newExpressionText;
} else if (flipped
&& (tokenType.equals(JavaTokenType.GT) || tokenType.equals(JavaTokenType.GE))) {
return '!' + newExpressionText;
}
return newExpressionText;
}
protected void changeSelfUsage(SelfUsageInfo usageInfo) throws IncorrectOperationException {
PsiElement parent = usageInfo.getElement().getParent();
LOG.assertTrue(parent instanceof PsiMethodCallExpression);
PsiMethodCallExpression methodCall = (PsiMethodCallExpression) parent;
final PsiExpression qualifier = methodCall.getMethodExpression().getQualifierExpression();
if (qualifier != null) qualifier.delete();
PsiElementFactory factory =
JavaPsiFacade.getInstance(methodCall.getProject()).getElementFactory();
PsiExpressionList args = methodCall.getArgumentList();
PsiElement addParameterAfter = null;
if (mySettings.isMakeClassParameter()) {
PsiElement arg = factory.createExpressionFromText(mySettings.getClassParameterName(), null);
addParameterAfter = args.addAfter(arg, null);
}
if (mySettings.isMakeFieldParameters()) {
List<Settings.FieldParameter> parameters = mySettings.getParameterOrderList();
for (Settings.FieldParameter fieldParameter : parameters) {
PsiElement arg = factory.createExpressionFromText(fieldParameter.name, null);
if (addParameterAfter == null) {
addParameterAfter = args.addAfter(arg, null);
} else {
addParameterAfter = args.addAfter(arg, addParameterAfter);
}
}
}
}
private void findUsagesForMethod(PsiMethod method, List<FixableUsageInfo> usages) {
final PsiManager psiManager = method.getManager();
final Project project = psiManager.getProject();
final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
final Iterable<PsiReference> calls = ReferencesSearch.search(method, scope);
for (PsiReference reference : calls) {
final PsiElement referenceElement = reference.getElement();
final PsiElement parent = referenceElement.getParent();
if (parent instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression call = (PsiMethodCallExpression) parent;
if (isInMovedElement(call)) {
continue;
}
final PsiReferenceExpression methodExpression = call.getMethodExpression();
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier == null || qualifier instanceof PsiThisExpression) {
usages.add(new ReplaceThisCallWithDelegateCall(call, delegateFieldName));
}
delegationRequired = true;
}
}
if (!delegationRequired && MethodInheritanceUtils.hasSiblingMethods(method)) {
delegationRequired = true;
}
if (delegationRequired) {
usages.add(new MakeMethodDelegate(method, delegateFieldName));
} else {
usages.add(new RemoveMethod(method));
}
}
@Override
public void visitMethodCallExpression(@NotNull PsiMethodCallExpression expression) {
super.visitMethodCallExpression(expression);
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
final String methodName = methodExpression.getReferenceName();
@NonNls final String signal = "signal";
if (!signal.equals(methodName)) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
if (argumentList.getExpressions().length != 0) {
return;
}
final PsiMethod method = expression.resolveMethod();
if (method == null) {
return;
}
final PsiClass containingClass = method.getContainingClass();
if (containingClass == null) {
return;
}
if (!ClassUtils.isSubclass(containingClass, "java.util.concurrent.locks.Condition")) {
return;
}
registerMethodCallError(expression);
}
@Override
public void visitMethodCallExpression(PsiMethodCallExpression expression) {
super.visitMethodCallExpression(expression);
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
@NonNls final String referenceName = methodExpression.getReferenceName();
if (!"toString".equals(referenceName)
|| ExpressionUtils.isConversionToStringNecessary(expression)) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 0) {
return;
}
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier != null) {
if (qualifier.getType() instanceof PsiArrayType) {
// do not warn on nonsensical code
return;
} else if (qualifier instanceof PsiSuperExpression) {
return;
}
}
registerMethodCallError(expression, calculateReplacementText(qualifier));
}
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
try {
PsiBinaryExpression binaryExpression = (PsiBinaryExpression) descriptor.getPsiElement();
IElementType opSign = binaryExpression.getOperationSign().getTokenType();
PsiExpression lExpr = binaryExpression.getLOperand();
PsiExpression rExpr = binaryExpression.getROperand();
if (rExpr == null) return;
PsiElementFactory factory = JavaPsiFacade.getInstance(project).getElementFactory();
PsiMethodCallExpression equalsCall =
(PsiMethodCallExpression) factory.createExpressionFromText("a.equals(b)", null);
equalsCall.getMethodExpression().getQualifierExpression().replace(lExpr);
equalsCall.getArgumentList().getExpressions()[0].replace(rExpr);
PsiExpression result = (PsiExpression) binaryExpression.replace(equalsCall);
if (opSign == JavaTokenType.NE) {
PsiPrefixExpression negation =
(PsiPrefixExpression) factory.createExpressionFromText("!a", null);
negation.getOperand().replace(result);
result.replace(negation);
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
private void processUsagesForMethod(
final boolean deleteMethodHierarchy,
PsiMethod method,
int[] paramPermutation,
String getterName,
PsiMethod delegatedMethod,
List<FixableUsageInfo> usages) {
for (PsiReference reference : ReferencesSearch.search(method)) {
final PsiElement referenceElement = reference.getElement();
final PsiMethodCallExpression call = (PsiMethodCallExpression) referenceElement.getParent();
final String access;
if (call.getMethodExpression().getQualifierExpression() == null) {
access = field.getName();
} else {
access = getterName + "()";
if (getter == null) {
getter = GenerateMembersUtil.generateGetterPrototype(field);
}
}
usages.add(
new InlineDelegatingCall(call, paramPermutation, access, delegatedMethod.getName()));
}
if (deleteMethodHierarchy) {
usages.add(new DeleteMethod(method));
}
}
@Override
public void visitMethodCallExpression(@NotNull PsiMethodCallExpression call) {
super.visitMethodCallExpression(call);
final PsiReferenceExpression methodExpression = call.getMethodExpression();
final PsiElement qualifier = methodExpression.getQualifier();
if (!(qualifier instanceof PsiReferenceExpression)) {
return;
}
final PsiMethod method = call.resolveMethod();
if (method == null) {
return;
}
if (!method.hasModifierProperty(PsiModifier.STATIC)) {
return;
}
final PsiElement referent = ((PsiReference) qualifier).resolve();
if (!(referent instanceof PsiClass)) {
return;
}
final PsiClass referencedClass = (PsiClass) referent;
final PsiClass declaringClass = method.getContainingClass();
if (declaringClass == null) {
return;
}
if (declaringClass.equals(referencedClass)) {
return;
}
final PsiClass containingClass = ClassUtils.getContainingClass(call);
if (!ClassUtils.isClassVisibleFromClass(containingClass, declaringClass)) {
return;
}
registerMethodCallError(call, declaringClass, referencedClass);
}
public static String buildCollectionText(PsiForStatement forStatement) {
PsiStatement body = forStatement.getBody();
while (body instanceof PsiBlockStatement) {
final PsiBlockStatement blockStatement = (PsiBlockStatement) body;
final PsiCodeBlock codeBlock = blockStatement.getCodeBlock();
final PsiStatement[] statements = codeBlock.getStatements();
if (statements.length == 2) {
body = statements[1];
} else if (statements.length == 1) {
body = statements[0];
} else {
return null;
}
}
if (!(body instanceof PsiExpressionStatement)) {
return null;
}
final PsiExpressionStatement expressionStatement = (PsiExpressionStatement) body;
final PsiExpression expression = expressionStatement.getExpression();
if (!(expression instanceof PsiMethodCallExpression)) {
return null;
}
final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) expression;
final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
final PsiElement qualifier = methodExpression.getQualifier();
if (qualifier == null) {
// fixme for when the array is added to 'this'
return null;
}
return qualifier.getText();
}
@Override
public void visitMethodCallExpression(@NotNull PsiMethodCallExpression expression) {
super.visitMethodCallExpression(expression);
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
@NonNls final String methodName = methodExpression.getReferenceName();
if (methodName == null) {
return;
}
if (!methodName.startsWith("get") && !methodName.startsWith("update")) {
return;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length == 0) {
return;
}
final PsiExpression argument = arguments[0];
if (!TypeUtils.expressionHasType(argument, PsiKeyword.INT)) {
return;
}
if (!PsiUtil.isConstantExpression(argument)) {
return;
}
final Integer val = (Integer) ConstantExpressionUtil.computeCastTo(argument, PsiType.INT);
if (val == null || val.intValue() != 0) {
return;
}
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (!TypeUtils.expressionHasTypeOrSubtype(qualifier, "java.sql.ResultSet")) {
return;
}
registerError(argument);
}
@Nullable
private static PsiType guessElementTypeFromReference(
MethodPatternMap methodPatternMap, PsiElement ref, TextRange rangeToIgnore) {
PsiElement refParent = ref.getParent();
if (refParent instanceof PsiReferenceExpression) {
PsiReferenceExpression parentExpr = (PsiReferenceExpression) refParent;
if (ref.equals(parentExpr.getQualifierExpression())
&& parentExpr.getParent() instanceof PsiMethodCallExpression) {
String methodName = parentExpr.getReferenceName();
PsiMethodCallExpression methodCall = (PsiMethodCallExpression) parentExpr.getParent();
PsiExpression[] args = methodCall.getArgumentList().getExpressions();
MethodPattern pattern = methodPatternMap.findPattern(methodName, args.length);
if (pattern != null) {
if (pattern.parameterIndex < 0) { // return value
if (methodCall.getParent() instanceof PsiTypeCastExpression
&& (rangeToIgnore == null || !rangeToIgnore.contains(methodCall.getTextRange()))) {
return ((PsiTypeCastExpression) methodCall.getParent()).getType();
}
} else {
return args[pattern.parameterIndex].getType();
}
}
}
}
return null;
}
private static boolean isIndexOfCall(@NotNull PsiMethodCallExpression expression) {
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
final String methodName = methodExpression.getReferenceName();
if (!HardcodedMethodConstants.INDEX_OF.equals(methodName)) {
return false;
}
final PsiExpressionList argumentList = expression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return false;
}
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier == null) {
return false;
}
final PsiType qualifierType = qualifier.getType();
if (qualifierType == null) {
return false;
}
final Project project = expression.getProject();
final GlobalSearchScope projectScope = GlobalSearchScope.allScope(project);
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiClass javaUtilListClass =
psiFacade.findClass(CommonClassNames.JAVA_UTIL_LIST, projectScope);
if (javaUtilListClass == null) {
return false;
}
final PsiElementFactory factory = psiFacade.getElementFactory();
final PsiClassType javaUtilListType = factory.createType(javaUtilListClass);
return javaUtilListType.isAssignableFrom(qualifierType);
}
@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;
}
@Override
public void doFix(Project project, ProblemDescriptor descriptor)
throws IncorrectOperationException {
final PsiIdentifier name = (PsiIdentifier) descriptor.getPsiElement();
final PsiReferenceExpression expression = (PsiReferenceExpression) name.getParent();
if (expression == null) {
return;
}
final PsiMethodCallExpression call = (PsiMethodCallExpression) expression.getParent();
final String methodName = expression.getReferenceName();
if (call == null) {
return;
}
final PsiMethod method = call.resolveMethod();
if (method == null) {
return;
}
final PsiClass containingClass = method.getContainingClass();
final PsiExpressionList argumentList = call.getArgumentList();
if (containingClass == null) {
return;
}
final String containingClassName = containingClass.getQualifiedName();
final String argText = argumentList.getText();
PsiReplacementUtil.replaceExpressionAndShorten(
call, containingClassName + '.' + methodName + argText);
}
private static boolean isCollectCall(PsiStatement body, final PsiParameter parameter) {
PsiIfStatement ifStatement = extractIfStatement(body);
final PsiMethodCallExpression methodCallExpression = extractAddCall(body, ifStatement);
if (methodCallExpression != null) {
final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
final PsiExpression qualifierExpression = methodExpression.getQualifierExpression();
PsiClass qualifierClass = null;
if (qualifierExpression instanceof PsiReferenceExpression) {
if (ReferencesSearch.search(parameter, new LocalSearchScope(qualifierExpression))
.findFirst()
!= null) {
return false;
}
final PsiElement resolve = ((PsiReferenceExpression) qualifierExpression).resolve();
if (resolve instanceof PsiVariable) {
if (ReferencesSearch.search(
resolve, new LocalSearchScope(methodCallExpression.getArgumentList()))
.findFirst()
!= null) {
return false;
}
}
qualifierClass = PsiUtil.resolveClassInType(qualifierExpression.getType());
} else if (qualifierExpression == null) {
final PsiClass enclosingClass = PsiTreeUtil.getParentOfType(body, PsiClass.class);
if (PsiUtil.getEnclosingStaticElement(body, enclosingClass) == null) {
qualifierClass = enclosingClass;
}
}
if (qualifierClass != null
&& InheritanceUtil.isInheritor(
qualifierClass, false, CommonClassNames.JAVA_UTIL_COLLECTION)) {
while (ifStatement != null && PsiTreeUtil.isAncestor(body, ifStatement, false)) {
final PsiExpression condition = ifStatement.getCondition();
if (condition != null
&& isConditionDependsOnUpdatedCollections(condition, qualifierExpression))
return false;
ifStatement = PsiTreeUtil.getParentOfType(ifStatement, PsiIfStatement.class);
}
final PsiElement resolve = methodExpression.resolve();
if (resolve instanceof PsiMethod
&& "add".equals(((PsiMethod) resolve).getName())
&& ((PsiMethod) resolve).getParameterList().getParametersCount() == 1) {
final PsiExpression[] args = methodCallExpression.getArgumentList().getExpressions();
if (args.length == 1) {
if (args[0] instanceof PsiCallExpression) {
final PsiMethod method = ((PsiCallExpression) args[0]).resolveMethod();
return method != null && !method.hasTypeParameters() && !isThrowsCompatible(method);
}
return true;
}
}
}
}
return false;
}
@Override
protected boolean isValidElement(PsiElement element) {
PsiMethodCallExpression methodCall = (PsiMethodCallExpression) element;
PsiMethod method = (PsiMethod) methodCall.getMethodExpression().resolve();
PsiExpressionList argumentList = methodCall.getArgumentList();
List<PsiClass> classes = getTargetClasses(element);
return !classes.isEmpty()
&& !CreateFromUsageUtils.shouldCreateConstructor(classes.get(0), argumentList, method);
}
public static int findFieldAssignmentAnchor(
final PsiStatement[] statements,
final @Nullable Ref<Pair<PsiField, Boolean>> anchorRef,
final PsiClass targetClass,
final PsiParameter myParameter) {
int i = 0;
for (; i < statements.length; i++) {
PsiStatement psiStatement = statements[i];
if (psiStatement instanceof PsiExpressionStatement) {
PsiExpressionStatement expressionStatement = (PsiExpressionStatement) psiStatement;
PsiExpression expression = expressionStatement.getExpression();
if (expression instanceof PsiMethodCallExpression) {
PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) expression;
String text = methodCallExpression.getMethodExpression().getText();
if (text.equals("super") || text.equals("this")) {
continue;
}
} else if (expression instanceof PsiAssignmentExpression) {
PsiAssignmentExpression assignmentExpression = (PsiAssignmentExpression) expression;
PsiExpression lExpression = assignmentExpression.getLExpression();
PsiExpression rExpression = assignmentExpression.getRExpression();
if (!(lExpression instanceof PsiReferenceExpression)) break;
if (!(rExpression instanceof PsiReferenceExpression)) break;
PsiReferenceExpression lReference = (PsiReferenceExpression) lExpression;
PsiReferenceExpression rReference = (PsiReferenceExpression) rExpression;
PsiElement lElement = lReference.resolve();
PsiElement rElement = rReference.resolve();
if (!(lElement instanceof PsiField)
|| ((PsiField) lElement).getContainingClass() != targetClass) break;
if (!(rElement instanceof PsiParameter)) break;
if (myParameter.getTextRange().getStartOffset()
< rElement.getTextRange().getStartOffset()) {
if (anchorRef != null) {
anchorRef.set(Pair.create((PsiField) lElement, Boolean.TRUE));
}
break;
}
if (anchorRef != null) {
anchorRef.set(Pair.create((PsiField) lElement, Boolean.FALSE));
}
continue;
}
}
break;
}
return i;
}
private static void removeParensFromMethodCallExpression(
@NotNull PsiMethodCallExpression methodCallExpression, boolean ignoreClarifyingParentheses) {
final PsiReferenceExpression target = methodCallExpression.getMethodExpression();
final PsiExpressionList argumentList = methodCallExpression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
removeParentheses(target, ignoreClarifyingParentheses);
for (final PsiExpression argument : arguments) {
removeParentheses(argument, ignoreClarifyingParentheses);
}
}
static boolean isComplexArrayExpression(PsiExpression expression) {
expression = ParenthesesUtils.stripParentheses(expression);
if (expression == null) {
return false;
}
if (expression instanceof PsiNewExpression) {
final PsiNewExpression newExpression = (PsiNewExpression) expression;
final PsiArrayInitializerExpression arrayInitializer = newExpression.getArrayInitializer();
return isComplexArrayExpression(arrayInitializer);
} else if (expression instanceof PsiArrayInitializerExpression) {
final PsiArrayInitializerExpression arrayInitializerExpression =
(PsiArrayInitializerExpression) expression;
for (PsiExpression initializer : arrayInitializerExpression.getInitializers()) {
if (isComplexArrayExpression(initializer)) {
return true;
}
}
return false;
} else if (expression instanceof PsiReferenceExpression) {
return expression.getType() instanceof PsiArrayType;
} else if (expression instanceof PsiArrayAccessExpression) {
return true;
} else if (expression instanceof PsiTypeCastExpression) {
final PsiTypeCastExpression typeCastExpression = (PsiTypeCastExpression) expression;
return isComplexArrayExpression(typeCastExpression.getOperand());
} else if (expression instanceof PsiConditionalExpression) {
final PsiConditionalExpression conditionalExpression =
(PsiConditionalExpression) expression;
return isComplexArrayExpression(conditionalExpression.getThenExpression())
|| isComplexArrayExpression(conditionalExpression.getElseExpression());
} else if (expression instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) expression;
final PsiMethod method = methodCallExpression.resolveMethod();
if (method == null) {
return true;
}
if (CloneUtils.isClone(method)) {
return false;
}
@NonNls final String name = method.getName();
if ("copyOf".equals(name) || "copyOfRange".equals(name)) {
final PsiClass aClass = method.getContainingClass();
if (aClass != null
&& CommonClassNames.JAVA_UTIL_ARRAYS.equals(aClass.getQualifiedName())) {
return false;
}
} else if ("toArray".equals(name)
&& InheritanceUtil.isInheritor(method.getContainingClass(), "java.util.Collection")) {
return false;
}
return true;
}
return true;
}
private static boolean isAddAllCall(PsiForeachStatement statement, PsiStatement body) {
final PsiIfStatement ifStatement = extractIfStatement(body);
if (ifStatement == null) {
final PsiParameter parameter = statement.getIterationParameter();
final PsiMethodCallExpression methodCallExpression = extractAddCall(body, null);
LOG.assertTrue(methodCallExpression != null);
return isIdentityMapping(
parameter, methodCallExpression.getArgumentList().getExpressions()[0]);
}
return false;
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
if (argumentsContainCatchParameter || !visited.add(expression)) {
return;
}
super.visitReferenceExpression(expression);
final PsiElement target = expression.resolve();
if (!parameter.equals(target)) {
if (target instanceof PsiLocalVariable) {
final PsiLocalVariable variable = (PsiLocalVariable) target;
final Query<PsiReference> query =
ReferencesSearch.search(variable, variable.getUseScope(), false);
query.forEach(
reference -> {
final PsiElement element = reference.getElement();
final PsiElement parent =
PsiTreeUtil.skipParentsOfType(element, PsiParenthesizedExpression.class);
if (!(parent instanceof PsiReferenceExpression)) {
return true;
}
final PsiElement grandParent = parent.getParent();
if (!(grandParent instanceof PsiMethodCallExpression)) {
return true;
}
final PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression) grandParent;
final PsiExpressionList argumentList = methodCallExpression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
for (PsiExpression argument : arguments) {
argument.accept(ReferenceFinder.this);
}
return true;
});
final PsiExpression initializer = variable.getInitializer();
if (initializer != null) {
initializer.accept(this);
}
}
return;
}
if (ignoreGetMessage) {
argumentsContainCatchParameter = true;
} else {
final PsiElement parent = expression.getParent();
if (parent instanceof PsiReferenceExpression) {
final PsiElement grandParent = parent.getParent();
if (grandParent instanceof PsiMethodCallExpression) {
return;
}
}
argumentsContainCatchParameter = true;
}
}
@Override
protected void doFix(Project project, ProblemDescriptor descriptor)
throws IncorrectOperationException {
final PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression) descriptor.getPsiElement().getParent().getParent();
final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier == null) {
PsiReplacementUtil.replaceExpression(methodCallExpression, "this");
} else {
methodCallExpression.replace(qualifier);
}
}
private static boolean methodCallExpressionsAreEquivalent(
@NotNull PsiMethodCallExpression methodExp1, @NotNull PsiMethodCallExpression methodExp2) {
final PsiReferenceExpression methodExpression1 = methodExp1.getMethodExpression();
final PsiReferenceExpression methodExpression2 = methodExp2.getMethodExpression();
if (!expressionsAreEquivalent(methodExpression1, methodExpression2)) {
return false;
}
final PsiExpressionList argumentList1 = methodExp1.getArgumentList();
final PsiExpression[] args1 = argumentList1.getExpressions();
final PsiExpressionList argumentList2 = methodExp2.getArgumentList();
final PsiExpression[] args2 = argumentList2.getExpressions();
return expressionListsAreEquivalent(args1, args2);
}
protected boolean preprocessUsages(Ref<UsageInfo[]> refUsages) {
final UsageInfo[] usages = refUsages.get();
MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();
final Set<PsiMember> members = new HashSet<PsiMember>();
members.add(myMethod);
if (myTargetVariable instanceof PsiField) members.add((PsiMember) myTargetVariable);
if (!myTargetClass.isInterface()) {
RefactoringConflictsUtil.analyzeAccessibilityConflicts(
members, myTargetClass, conflicts, myNewVisibility);
} else {
for (final UsageInfo usage : usages) {
if (usage instanceof InheritorUsageInfo) {
RefactoringConflictsUtil.analyzeAccessibilityConflicts(
members, ((InheritorUsageInfo) usage).getInheritor(), conflicts, myNewVisibility);
}
}
}
if (myTargetVariable instanceof PsiParameter) {
PsiParameter parameter = (PsiParameter) myTargetVariable;
for (final UsageInfo usageInfo : usages) {
if (usageInfo instanceof MethodCallUsageInfo) {
final PsiMethodCallExpression methodCall =
((MethodCallUsageInfo) usageInfo).getMethodCallExpression();
final PsiExpression[] expressions = methodCall.getArgumentList().getExpressions();
final int index = myMethod.getParameterList().getParameterIndex(parameter);
if (index < expressions.length) {
PsiExpression instanceValue = expressions[index];
instanceValue = RefactoringUtil.unparenthesizeExpression(instanceValue);
if (instanceValue instanceof PsiLiteralExpression
&& ((PsiLiteralExpression) instanceValue).getValue() == null) {
String message =
RefactoringBundle.message(
"0.contains.call.with.null.argument.for.parameter.1",
RefactoringUIUtil.getDescription(
ConflictsUtil.getContainer(methodCall), true),
CommonRefactoringUtil.htmlEmphasize(parameter.getName()));
conflicts.putValue(instanceValue, message);
}
}
}
}
}
try {
ConflictsUtil.checkMethodConflicts(myTargetClass, myMethod, getPatternMethod(), conflicts);
} catch (IncorrectOperationException e) {
}
return showConflicts(conflicts, usages);
}
@Override
@Nullable
public PsiType fun(final PsiMethodCallExpression call) {
PsiReferenceExpression methodExpression = call.getMethodExpression();
PsiType theOnly = null;
final JavaResolveResult[] results = methodExpression.multiResolve(false);
LanguageLevel languageLevel = PsiUtil.getLanguageLevel(call);
final PsiElement callParent = PsiUtil.skipParenthesizedExprUp(call.getParent());
final PsiExpressionList parentArgList;
if (languageLevel.isAtLeast(LanguageLevel.JDK_1_8)) {
parentArgList =
callParent instanceof PsiConditionalExpression
&& !PsiPolyExpressionUtil.isPolyExpression((PsiExpression) callParent)
? null
: PsiTreeUtil.getParentOfType(call, PsiExpressionList.class);
} else {
parentArgList = null;
}
final MethodCandidateInfo.CurrentCandidateProperties properties =
MethodCandidateInfo.getCurrentMethod(parentArgList);
final boolean genericMethodCall =
properties != null && properties.getInfo().isToInferApplicability();
for (int i = 0; i < results.length; i++) {
final JavaResolveResult candidateInfo = results[i];
if (genericMethodCall
&& PsiPolyExpressionUtil.isMethodCallPolyExpression(
call, (PsiMethod) candidateInfo.getElement())) {
if (callParent instanceof PsiAssignmentExpression) {
return null;
}
LOG.error("poly expression evaluation during overload resolution");
}
final PsiType type = getResultType(call, methodExpression, candidateInfo, languageLevel);
if (type == null) {
return null;
}
if (i == 0) {
theOnly = type;
} else if (!theOnly.equals(type)) {
return null;
}
}
return PsiClassImplUtil.correctType(theOnly, call.getResolveScope());
}
@Override
protected final void doFix(Project project, ProblemDescriptor descriptor)
throws IncorrectOperationException {
final PsiElement element = descriptor.getPsiElement();
final PsiTypeElement castTypeElement;
final PsiReferenceExpression reference;
if (element instanceof PsiTypeCastExpression) {
final PsiTypeCastExpression typeCastExpression = (PsiTypeCastExpression) element;
castTypeElement = typeCastExpression.getCastType();
final PsiExpression operand = typeCastExpression.getOperand();
if (!(operand instanceof PsiReferenceExpression)) {
return;
}
reference = (PsiReferenceExpression) operand;
} else if (element instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) element;
final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (!(qualifier instanceof PsiClassObjectAccessExpression)) {
return;
}
final PsiClassObjectAccessExpression classObjectAccessExpression =
(PsiClassObjectAccessExpression) qualifier;
castTypeElement = classObjectAccessExpression.getOperand();
final PsiExpressionList argumentList = methodCallExpression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
if (arguments.length != 1) {
return;
}
final PsiExpression argument = arguments[0];
if (!(argument instanceof PsiReferenceExpression)) {
return;
}
reference = (PsiReferenceExpression) argument;
} else {
return;
}
if (castTypeElement == null) {
return;
}
final PsiInstanceOfExpression conflictingInstanceof =
InstanceOfUtils.getConflictingInstanceof(castTypeElement.getType(), reference, element);
final PsiTypeElement instanceofTypeElement = conflictingInstanceof.getCheckType();
if (instanceofTypeElement == null) {
return;
}
final PsiElement newElement = replace(castTypeElement, instanceofTypeElement);
final JavaCodeStyleManager codeStyleManager = JavaCodeStyleManager.getInstance(project);
codeStyleManager.shortenClassReferences(newElement);
}
private List<MethodContract> handleCallDelegation(
PsiMethodCallExpression expression, final boolean negated) {
final PsiMethod targetMethod = expression.resolveMethod();
if (targetMethod == null) return Collections.emptyList();
final PsiExpression[] arguments = expression.getArgumentList().getExpressions();
return RecursionManager.doPreventingRecursion(
myMethod,
true,
new Computable<List<MethodContract>>() {
@Override
public List<MethodContract> compute() {
List<MethodContract> delegateContracts =
ControlFlowAnalyzer.getMethodContracts(targetMethod);
return ContainerUtil.mapNotNull(
delegateContracts,
new NullableFunction<MethodContract, MethodContract>() {
@Nullable
@Override
public MethodContract fun(MethodContract delegateContract) {
ValueConstraint[] answer =
MethodContract.createConstraintArray(
myMethod.getParameterList().getParametersCount());
for (int i = 0; i < delegateContract.arguments.length; i++) {
if (i >= arguments.length) return null;
ValueConstraint argConstraint = delegateContract.arguments[i];
if (argConstraint != ANY_VALUE) {
int paramIndex = resolveParameter(arguments[i]);
if (paramIndex < 0) {
if (argConstraint != getLiteralConstraint(arguments[i])) {
return null;
}
} else {
answer = withConstraint(answer, paramIndex, argConstraint);
}
}
}
return answer == null
? null
: new MethodContract(
answer,
negated
? negateConstraint(delegateContract.returnValue)
: delegateContract.returnValue);
}
});
}
});
}
@Nullable
private static LookupElementWeigher recursion(
CompletionParameters parameters, final ExpectedTypeInfo[] expectedInfos) {
final PsiElement position = parameters.getPosition();
final PsiMethodCallExpression expression =
PsiTreeUtil.getParentOfType(position, PsiMethodCallExpression.class, true, PsiClass.class);
final PsiReferenceExpression reference =
expression != null
? expression.getMethodExpression()
: PsiTreeUtil.getParentOfType(position, PsiReferenceExpression.class);
if (reference == null) return null;
return new RecursionWeigher(position, reference, expression, expectedInfos);
}
private boolean isListGetLookup(PsiElement element,
String indexName,
PsiVariable listVariable) {
if (!(element instanceof PsiExpression)) {
return false;
}
final PsiExpression expression = (PsiExpression)element;
if (!expressionIsListGetLookup(expression)) {
return false;
}
final PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression)
ParenthesesUtils.stripParentheses(expression);
if (methodCallExpression == null) {
return false;
}
final PsiReferenceExpression methodExpression =
methodCallExpression.getMethodExpression();
final PsiExpression qualifierExpression =
methodExpression.getQualifierExpression();
final PsiExpressionList argumentList =
methodCallExpression.getArgumentList();
final PsiExpression[] expressions = argumentList.getExpressions();
if (expressions.length != 1) {
return false;
}
if (!indexName.equals(expressions[0].getText())) {
return false;
}
if (qualifierExpression == null ||
qualifierExpression instanceof PsiThisExpression ||
qualifierExpression instanceof PsiSuperExpression) {
return listVariable == null;
}
if (!(qualifierExpression instanceof PsiReferenceExpression)) {
return false;
}
final PsiReferenceExpression referenceExpression =
(PsiReferenceExpression)qualifierExpression;
final PsiExpression qualifier =
referenceExpression.getQualifierExpression();
if (qualifier != null && !(qualifier instanceof PsiThisExpression) &&
!(qualifier instanceof PsiSuperExpression)) {
return false;
}
final PsiElement target = referenceExpression.resolve();
return listVariable.equals(target);
}