private static void reportOptionalOfNullableImprovements(
ProblemsHolder holder, Set<PsiElement> reportedAnchors, Instruction[] instructions) {
for (Instruction instruction : instructions) {
if (instruction instanceof MethodCallInstruction) {
final PsiExpression[] args = ((MethodCallInstruction) instruction).getArgs();
if (args.length != 1) continue;
final PsiExpression expr = args[0];
if (((MethodCallInstruction) instruction).isOptionalAlwaysNullProblem()) {
if (!reportedAnchors.add(expr)) continue;
holder.registerProblem(
expr,
"Passing <code>null</code> argument to <code>Optional</code>",
DfaOptionalSupport.createReplaceOptionalOfNullableWithEmptyFix(expr));
} else if (((MethodCallInstruction) instruction).isOptionalAlwaysNotNullProblem()) {
if (!reportedAnchors.add(expr)) continue;
holder.registerProblem(
expr,
"Passing a non-null argument to <code>Optional</code>",
DfaOptionalSupport.createReplaceOptionalOfNullableWithOfFix());
}
}
}
}
private void handleBranchingInstruction(
ProblemsHolder holder,
StandardInstructionVisitor visitor,
Set<Instruction> trueSet,
Set<Instruction> falseSet,
HashSet<PsiElement> reportedAnchors,
BranchingInstruction instruction,
final boolean onTheFly) {
PsiElement psiAnchor = instruction.getPsiAnchor();
boolean underBinary = isAtRHSOfBooleanAnd(psiAnchor);
if (instruction instanceof InstanceofInstruction
&& visitor.isInstanceofRedundant((InstanceofInstruction) instruction)) {
if (visitor.canBeNull((BinopInstruction) instruction)) {
holder.registerProblem(
psiAnchor,
InspectionsBundle.message("dataflow.message.redundant.instanceof"),
new RedundantInstanceofFix());
} else {
final LocalQuickFix localQuickFix = createSimplifyBooleanExpressionFix(psiAnchor, true);
holder.registerProblem(
psiAnchor,
InspectionsBundle.message(
underBinary
? "dataflow.message.constant.condition.when.reached"
: "dataflow.message.constant.condition",
Boolean.toString(true)),
localQuickFix == null ? null : new LocalQuickFix[] {localQuickFix});
}
} else if (psiAnchor instanceof PsiSwitchLabelStatement) {
if (falseSet.contains(instruction)) {
holder.registerProblem(
psiAnchor, InspectionsBundle.message("dataflow.message.unreachable.switch.label"));
}
} else if (psiAnchor != null
&& !reportedAnchors.contains(psiAnchor)
&& !isFlagCheck(psiAnchor)) {
boolean evaluatesToTrue = trueSet.contains(instruction);
final PsiElement parent = psiAnchor.getParent();
if (parent instanceof PsiAssignmentExpression
&& ((PsiAssignmentExpression) parent).getLExpression() == psiAnchor) {
holder.registerProblem(
psiAnchor,
InspectionsBundle.message(
"dataflow.message.pointless.assignment.expression",
Boolean.toString(evaluatesToTrue)),
createConditionalAssignmentFixes(
evaluatesToTrue, (PsiAssignmentExpression) parent, onTheFly));
} else if (!skipReportingConstantCondition(visitor, psiAnchor, evaluatesToTrue)) {
final LocalQuickFix fix = createSimplifyBooleanExpressionFix(psiAnchor, evaluatesToTrue);
String message =
InspectionsBundle.message(
underBinary
? "dataflow.message.constant.condition.when.reached"
: "dataflow.message.constant.condition",
Boolean.toString(evaluatesToTrue));
holder.registerProblem(psiAnchor, message, fix == null ? null : new LocalQuickFix[] {fix});
}
reportedAnchors.add(psiAnchor);
}
}
private void reportNullableReturns(
DataFlowInstructionVisitor visitor,
ProblemsHolder holder,
Set<PsiElement> reportedAnchors,
@NotNull PsiElement block) {
final PsiMethod method = getScopeMethod(block);
if (method == null || NullableStuffInspectionBase.isNullableNotInferred(method, true)) return;
boolean notNullRequired = NullableNotNullManager.isNotNull(method);
if (!notNullRequired && !SUGGEST_NULLABLE_ANNOTATIONS) return;
PsiType returnType = method.getReturnType();
// no warnings in void lambdas, where the expression is not returned anyway
if (block instanceof PsiExpression
&& block.getParent() instanceof PsiLambdaExpression
&& returnType == PsiType.VOID) return;
// no warnings for Void methods, where only null can be possibly returned
if (returnType == null || returnType.equalsToText(CommonClassNames.JAVA_LANG_VOID)) return;
for (PsiElement statement : visitor.getProblems(NullabilityProblem.nullableReturn)) {
assert statement instanceof PsiExpression;
final PsiExpression expr = (PsiExpression) statement;
if (!reportedAnchors.add(expr)) continue;
if (notNullRequired) {
final String text =
isNullLiteralExpression(expr)
? InspectionsBundle.message("dataflow.message.return.null.from.notnull")
: InspectionsBundle.message("dataflow.message.return.nullable.from.notnull");
holder.registerProblem(expr, text);
} else if (AnnotationUtil.isAnnotatingApplicable(statement)) {
final NullableNotNullManager manager =
NullableNotNullManager.getInstance(expr.getProject());
final String defaultNullable = manager.getDefaultNullable();
final String presentableNullable = StringUtil.getShortName(defaultNullable);
final String text =
isNullLiteralExpression(expr)
? InspectionsBundle.message(
"dataflow.message.return.null.from.notnullable", presentableNullable)
: InspectionsBundle.message(
"dataflow.message.return.nullable.from.notnullable", presentableNullable);
final LocalQuickFix[] fixes =
PsiTreeUtil.getParentOfType(expr, PsiMethod.class, PsiLambdaExpression.class)
instanceof PsiLambdaExpression
? LocalQuickFix.EMPTY_ARRAY
: new LocalQuickFix[] {
new AnnotateMethodFix(
defaultNullable, ArrayUtil.toStringArray(manager.getNotNulls())) {
@Override
public int shouldAnnotateBaseMethod(
PsiMethod method, PsiMethod superMethod, Project project) {
return 1;
}
}
};
holder.registerProblem(expr, text, fixes);
}
}
}
@Override
public ProblemDescriptor[] checkFile(
@NotNull PsiFile file, @NotNull InspectionManager manager, boolean isOnTheFly) {
ProblemsHolder problemsHolder = new ProblemsHolder(manager, file, isOnTheFly);
checkFile(file, problemsHolder);
return problemsHolder.getResultsArray();
}
private static void highlightStarArgumentTypeMismatch(
PyArgumentList node, ProblemsHolder holder, TypeEvalContext context) {
for (PyExpression arg : node.getArguments()) {
if (arg instanceof PyStarArgument) {
PyExpression content =
PyUtil.peelArgument(PsiTreeUtil.findChildOfType(arg, PyExpression.class));
if (content != null) {
PyType inside_type = context.getType(content);
if (inside_type != null && !PyTypeChecker.isUnknown(inside_type)) {
if (((PyStarArgument) arg).isKeyword()) {
if (!PyABCUtil.isSubtype(inside_type, PyNames.MAPPING)) {
holder.registerProblem(
arg, PyBundle.message("INSP.expected.dict.got.$0", inside_type.getName()));
}
} else { // * arg
if (!PyABCUtil.isSubtype(inside_type, PyNames.ITERABLE)) {
holder.registerProblem(
arg, PyBundle.message("INSP.expected.iter.got.$0", inside_type.getName()));
}
}
}
}
}
}
}
public MyVisitor(@NotNull ProblemsHolder holder) {
myHolder = holder;
InspectionProfile profile =
InspectionProjectProfileManager.getInstance(holder.getProject()).getInspectionProfile();
UnusedDeclarationInspectionBase tool =
(UnusedDeclarationInspectionBase)
profile.getUnwrappedTool(
UnusedDeclarationInspectionBase.SHORT_NAME, holder.getFile());
myDeadCodeInspection = tool == null ? new UnusedDeclarationInspectionBase() : tool;
}
@Nullable
public ProblemDescriptor[] checkFile(
@NotNull PsiFile psiFile, @NotNull InspectionManager inspectionManager, boolean isOnTheFly) {
if (!(psiFile instanceof GroovyFileBase)) {
return super.checkFile(psiFile, inspectionManager, isOnTheFly);
}
final GroovyFileBase groovyFile = (GroovyFileBase) psiFile;
final ProblemsHolder problemsHolder =
new ProblemsHolder(inspectionManager, psiFile, isOnTheFly);
final BaseInspectionVisitor visitor = buildGroovyVisitor(problemsHolder, isOnTheFly);
groovyFile.accept(visitor);
final List<ProblemDescriptor> problems = problemsHolder.getResults();
return problems.toArray(new ProblemDescriptor[problems.size()]);
}
private void reportNullableArguments(
DataFlowInstructionVisitor visitor, ProblemsHolder holder, Set<PsiElement> reportedAnchors) {
for (PsiElement expr :
visitor.getProblems(NullabilityProblem.passingNullableToNotNullParameter)) {
if (!reportedAnchors.add(expr)) continue;
final String text =
isNullLiteralExpression(expr)
? InspectionsBundle.message("dataflow.message.passing.null.argument")
: InspectionsBundle.message("dataflow.message.passing.nullable.argument");
LocalQuickFix[] fixes =
createNPEFixes((PsiExpression) expr, (PsiExpression) expr, holder.isOnTheFly());
holder.registerProblem(expr, text, fixes);
}
}
private void reportFieldAccessMayProduceNpe(
ProblemsHolder holder, PsiElement elementToAssert, PsiExpression expression) {
if (expression instanceof PsiArrayAccessExpression) {
LocalQuickFix[] fix =
createNPEFixes((PsiExpression) elementToAssert, expression, holder.isOnTheFly());
holder.registerProblem(
expression, InspectionsBundle.message("dataflow.message.npe.array.access"), fix);
} else {
LocalQuickFix[] fix =
createNPEFixes((PsiExpression) elementToAssert, expression, holder.isOnTheFly());
assert elementToAssert != null;
holder.registerProblem(
elementToAssert, InspectionsBundle.message("dataflow.message.npe.field.access"), fix);
}
}
public static void apply(
final String functionName,
@NotNull final FunctionReference reference,
final String modifiers,
final String pattern,
@NotNull final ProblemsHolder holder) {
if (reference.getParameters().length >= 2 && !StringUtil.isEmpty(pattern)) {
Matcher regexMatcher = regexTextSearch.matcher(pattern);
if (regexMatcher.find()) {
final boolean ignoreCase = !StringUtil.isEmpty(modifiers) && modifiers.indexOf('i') >= 0;
final boolean startWith = !StringUtil.isEmpty(regexMatcher.group(1));
/* analyse if pattern is the one strategy targeting */
String strProblemDescription = null;
if (functionName.equals("preg_match") && startWith) {
strProblemDescription = ignoreCase ? strProblemStartIgnoreCase : strProblemStartTreatCase;
}
if (functionName.equals("preg_match") && !startWith) {
strProblemDescription =
ignoreCase ? strProblemContainsIgnoreCase : strProblemContainsTreatCase;
}
if (functionName.equals("preg_replace") && !startWith) {
strProblemDescription =
ignoreCase ? strProblemReplaceIgnoreCase : strProblemReplaceTreatCase;
}
if (null != strProblemDescription) {
String strError = strProblemDescription.replace("%t%", regexMatcher.group(2));
holder.registerProblem(
reference, strError, ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
}
}
}
}
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);
}
}
}
}
private static void reportUnboxedNullables(
DataFlowInstructionVisitor visitor, ProblemsHolder holder, Set<PsiElement> reportedAnchors) {
for (PsiElement expr : visitor.getProblems(NullabilityProblem.unboxingNullable)) {
if (!reportedAnchors.add(expr)) continue;
holder.registerProblem(expr, InspectionsBundle.message("dataflow.message.unboxing"));
}
}
private static void checkSillyAssignment(
PsiAssignmentExpression assignment, ProblemsHolder holder) {
if (assignment.getOperationTokenType() != JavaTokenType.EQ) return;
PsiExpression lExpression = assignment.getLExpression();
PsiExpression rExpression = assignment.getRExpression();
if (rExpression == null) return;
lExpression = PsiUtil.deparenthesizeExpression(lExpression);
rExpression = PsiUtil.deparenthesizeExpression(rExpression);
if (!(lExpression instanceof PsiReferenceExpression)) return;
PsiReferenceExpression rRef;
if (!(rExpression instanceof PsiReferenceExpression)) {
if (!(rExpression instanceof PsiAssignmentExpression)) return;
final PsiAssignmentExpression rAssignmentExpression = (PsiAssignmentExpression) rExpression;
final PsiExpression assignee =
PsiUtil.deparenthesizeExpression(rAssignmentExpression.getLExpression());
if (!(assignee instanceof PsiReferenceExpression)) return;
rRef = (PsiReferenceExpression) assignee;
} else {
rRef = (PsiReferenceExpression) rExpression;
}
PsiReferenceExpression lRef = (PsiReferenceExpression) lExpression;
PsiManager manager = assignment.getManager();
if (!sameInstanceReferences(lRef, rRef, manager)) return;
final PsiVariable variable = (PsiVariable) lRef.resolve();
if (variable == null) return;
holder.registerProblem(
assignment,
InspectionsBundle.message("assignment.to.itself.problem.descriptor", variable.getName()),
ProblemHighlightType.LIKE_UNUSED_SYMBOL);
}
private static void visitParameterList(
@NotNull ProblemsHolder holder,
@Nullable GoParameters parameters,
@NotNull String ownerType,
@NotNull String what) {
if (parameters == null || parameters.getParameterDeclarationList().isEmpty()) return;
boolean hasNamed = false;
boolean hasUnnamed = false;
for (GoParameterDeclaration parameterDeclaration : parameters.getParameterDeclarationList()) {
ProgressManager.checkCanceled();
if (parameterDeclaration.getParamDefinitionList().isEmpty()) {
hasUnnamed = true;
} else {
hasNamed = true;
}
if (hasNamed && hasUnnamed) {
holder.registerProblem(
parameters,
ownerType + " has both named and unnamed " + what + " <code>#ref</code> #loc",
ProblemHighlightType.GENERIC_ERROR_OR_WARNING);
return;
}
}
}
private static void docheckClass(final PsiClass aClass, ProblemsHolder holder) {
if (aClass.isInterface()) return;
final PsiField[] fields = aClass.getFields();
final Set<PsiField> candidates = new LinkedHashSet<PsiField>();
for (PsiField field : fields) {
if (field.hasModifierProperty(PsiModifier.PRIVATE)
&& !(field.hasModifierProperty(PsiModifier.STATIC)
&& field.hasModifierProperty(PsiModifier.FINAL))) {
candidates.add(field);
}
}
removeFieldsReferencedFromInitializers(aClass, candidates);
if (candidates.isEmpty()) return;
final Set<PsiField> usedFields = new THashSet<PsiField>();
removeReadFields(aClass, candidates, usedFields);
if (candidates.isEmpty()) return;
final ImplicitUsageProvider[] implicitUsageProviders =
Extensions.getExtensions(ImplicitUsageProvider.EP_NAME);
for (PsiField field : candidates) {
if (usedFields.contains(field)
&& !hasImplicitReadOrWriteUsage(field, implicitUsageProviders)) {
final String message =
InspectionsBundle.message("inspection.field.can.be.local.problem.descriptor");
holder.registerProblem(field.getNameIdentifier(), message, new MyQuickFix(field));
}
}
}
@NotNull
@Override
public PsiElementVisitor buildVisitor(@NotNull ProblemsHolder holder, boolean isOnTheFly) {
PsiFile file = holder.getFile();
if (!PsiUtil.isLanguageLevel5OrHigher(file)) return new PsiElementVisitor() {};
return super.buildVisitor(holder, isOnTheFly);
}
private static void reportCastMayFail(ProblemsHolder holder, TypeCastInstruction instruction) {
PsiTypeCastExpression typeCast = instruction.getCastExpression();
PsiExpression operand = typeCast.getOperand();
PsiTypeElement castType = typeCast.getCastType();
assert castType != null;
assert operand != null;
holder.registerProblem(
castType, InspectionsBundle.message("dataflow.message.cce", operand.getText()));
}
public void verifyTypeElement(
@NotNull final PsiTypeElement psiTypeElement, @NotNull final ProblemsHolder holder) {
final PsiElement typeParent = psiTypeElement.getParent();
if (isVal(psiTypeElement)) {
if (typeParent instanceof PsiField
|| (typeParent instanceof PsiParameter
&& !(((PsiParameter) typeParent).getDeclarationScope()
instanceof PsiForeachStatement))) {
holder.registerProblem(
psiTypeElement,
"'val' works only on local variables and on foreach loops",
ProblemHighlightType.ERROR);
} else if (typeParent instanceof PsiLocalVariable) {
final PsiLocalVariable psiVariable = (PsiLocalVariable) typeParent;
final PsiExpression initializer = psiVariable.getInitializer();
if (initializer == null) {
holder.registerProblem(
psiTypeElement,
"'val' on a local variable requires an initializer expression",
ProblemHighlightType.ERROR);
} else if (initializer instanceof PsiArrayInitializerExpression) {
holder.registerProblem(
psiTypeElement,
"'val' is not compatible with array initializer expressions. Use the full form (new int[] { ... } instead of just { ... })",
ProblemHighlightType.ERROR);
} else if (initializer instanceof PsiLambdaExpression) {
holder.registerProblem(
psiTypeElement,
"'val' is not allowed with lambda expressions.",
ProblemHighlightType.ERROR);
} else {
final PsiElement typeParentParent = typeParent.getParent();
if (typeParentParent instanceof PsiDeclarationStatement
&& typeParentParent.getParent() instanceof PsiForStatement) {
holder.registerProblem(
psiTypeElement,
"'val' is not allowed in old-style for loops",
ProblemHighlightType.ERROR);
}
}
}
}
}
@NotNull
@Override
public PsiElementVisitor buildVisitor(@NotNull ProblemsHolder holder, boolean isOnTheFly) {
PsiFile psiFile = holder.getFile();
if (psiFile.getLanguage() != JavaLanguage.INSTANCE
|| !PsiUtil.isLanguageLevel5OrHigher(psiFile)) {
return new PsiElementVisitor() {};
}
return super.buildVisitor(holder, isOnTheFly);
}
@NotNull
@Override
public PsiElementVisitor buildVisitor(@NotNull final ProblemsHolder holder, boolean isOnTheFly) {
if (!PsiUtil.isLanguageLevel8OrHigher(holder.getFile())) {
return PsiElementVisitor.EMPTY_VISITOR;
}
return new PsiElementVisitor() {
@Override
public void visitElement(PsiElement element) {
if (element instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) element;
String qName = methodCallExpression.getMethodExpression().getQualifiedName();
if (qName == null) {
return;
}
qName = StringUtil.getShortName(qName);
final Collection<StaticPseudoFunctionalStyleMethodOptions.PipelineElement> handlerInfos =
myOptions.findElementsByMethodName(qName);
if (handlerInfos.isEmpty()) {
return;
}
final PsiMethod method = methodCallExpression.resolveMethod();
if (method == null) {
return;
}
final PsiClass aClass = method.getContainingClass();
if (aClass == null) {
return;
}
final String classQualifiedName = aClass.getQualifiedName();
if (classQualifiedName == null) {
return;
}
StaticPseudoFunctionalStyleMethodOptions.PipelineElement suitableHandler = null;
for (StaticPseudoFunctionalStyleMethodOptions.PipelineElement h : handlerInfos) {
if (h.getHandlerClass().equals(classQualifiedName)) {
suitableHandler = h;
break;
}
}
if (suitableHandler == null) {
return;
}
final PseudoLambdaReplaceTemplate.ValidationInfo validationInfo =
suitableHandler.getTemplate().validate(methodCallExpression);
if (validationInfo != null) {
holder.registerProblem(
methodCallExpression.getMethodExpression(),
"Pseudo functional style code",
new ReplacePseudoLambdaWithLambda(suitableHandler));
}
}
}
};
}
@Override
public void collectInspectionsForElement(
@NotNull PsiField element, @NotNull ProblemsHolder problemsHolder) {
PsiAnnotation affectedAnnotation = getAffectedAnnotation(element);
problemsHolder.registerProblem(
affectedAnnotation,
"@Setter is invalid for final field",
new RemoveAnnotationQuickFix(affectedAnnotation, element),
new RemoveModifierFix(element, PsiModifier.FINAL));
}
protected final void registerError(@NotNull PsiElement location, Object... infos) {
if (location.getTextLength() == 0) {
return;
}
final InspectionGadgetsFix[] fixes = createFixes(infos);
for (InspectionGadgetsFix fix : fixes) {
fix.setOnTheFly(onTheFly);
}
final String description = inspection.buildErrorString(infos);
holder.registerProblem(location, description, fixes);
}
private void reportCallMayProduceNpe(
ProblemsHolder holder, PsiMethodCallExpression callExpression, boolean onTheFly) {
LocalQuickFix[] fix =
createNPEFixes(
callExpression.getMethodExpression().getQualifierExpression(),
callExpression,
onTheFly);
holder.registerProblem(
callExpression, InspectionsBundle.message("dataflow.message.npe.method.invocation"), fix);
}
private static void checkMagicParameterArgument(
@NotNull PsiParameter parameter,
PsiExpression argument,
@NotNull AllowedValues allowedValues,
@NotNull ProblemsHolder holder) {
final PsiManager manager = PsiManager.getInstance(holder.getProject());
if (!argument.getTextRange().isEmpty()
&& !isAllowed(parameter.getDeclarationScope(), argument, allowedValues, manager)) {
registerProblem(argument, allowedValues, holder);
}
}
private static void reportNullableAssignments(
DataFlowInstructionVisitor visitor, ProblemsHolder holder, Set<PsiElement> reportedAnchors) {
for (PsiElement expr : visitor.getProblems(NullabilityProblem.assigningToNotNull)) {
if (!reportedAnchors.add(expr)) continue;
final String text =
isNullLiteralExpression(expr)
? InspectionsBundle.message("dataflow.message.assigning.null")
: InspectionsBundle.message("dataflow.message.assigning.nullable");
holder.registerProblem(expr, text);
}
}
private static void reportNullableReturns(
StandardDataFlowRunner runner,
DataFlowInstructionVisitor visitor,
ProblemsHolder holder,
Set<PsiElement> reportedAnchors) {
for (PsiElement statement : visitor.getProblems(NullabilityProblem.nullableReturn)) {
assert statement instanceof PsiExpression;
final PsiExpression expr = (PsiExpression) statement;
if (!reportedAnchors.add(expr)) continue;
if (runner.isInNotNullMethod()) {
final String text =
isNullLiteralExpression(expr)
? InspectionsBundle.message("dataflow.message.return.null.from.notnull")
: InspectionsBundle.message("dataflow.message.return.nullable.from.notnull");
holder.registerProblem(expr, text);
} else if (AnnotationUtil.isAnnotatingApplicable(statement)) {
final NullableNotNullManager manager =
NullableNotNullManager.getInstance(expr.getProject());
final String defaultNullable = manager.getDefaultNullable();
final String presentableNullable = StringUtil.getShortName(defaultNullable);
final String text =
isNullLiteralExpression(expr)
? InspectionsBundle.message(
"dataflow.message.return.null.from.notnullable", presentableNullable)
: InspectionsBundle.message(
"dataflow.message.return.nullable.from.notnullable", presentableNullable);
holder.registerProblem(
expr,
text,
new AnnotateMethodFix(defaultNullable, ArrayUtil.toStringArray(manager.getNotNulls())) {
@Override
public int shouldAnnotateBaseMethod(
PsiMethod method, PsiMethod superMethod, Project project) {
return 1;
}
});
}
}
}
private void reportNullableArgumentsPassedToNonAnnotated(
DataFlowInstructionVisitor visitor, ProblemsHolder holder, Set<PsiElement> reportedAnchors) {
for (PsiElement expr :
visitor.getProblems(NullabilityProblem.passingNullableArgumentToNonAnnotatedParameter)) {
if (reportedAnchors.contains(expr)) continue;
final String text =
isNullLiteralExpression(expr)
? "Passing <code>null</code> argument to non annotated parameter"
: "Argument <code>#ref</code> #loc might be null but passed to non annotated parameter";
LocalQuickFix[] fixes =
createNPEFixes((PsiExpression) expr, (PsiExpression) expr, holder.isOnTheFly());
final PsiElement parent = expr.getParent();
if (parent instanceof PsiExpressionList) {
final int idx = ArrayUtilRt.find(((PsiExpressionList) parent).getExpressions(), expr);
if (idx > -1) {
final PsiElement gParent = parent.getParent();
if (gParent instanceof PsiCallExpression) {
final PsiMethod psiMethod = ((PsiCallExpression) gParent).resolveMethod();
if (psiMethod != null
&& psiMethod.getManager().isInProject(psiMethod)
&& AnnotationUtil.isAnnotatingApplicable(psiMethod)) {
final PsiParameter[] parameters = psiMethod.getParameterList().getParameters();
if (idx < parameters.length) {
final AddNullableAnnotationFix addNullableAnnotationFix =
new AddNullableAnnotationFix(parameters[idx]);
fixes =
fixes == null
? new LocalQuickFix[] {addNullableAnnotationFix}
: ArrayUtil.append(fixes, addNullableAnnotationFix);
holder.registerProblem(expr, text, fixes);
reportedAnchors.add(expr);
}
}
}
}
}
}
}
private static void highlightMissingArguments(
PyArgumentList node, ProblemsHolder holder, CallArgumentsMapping result) {
ASTNode our_node = node.getNode();
if (our_node != null) {
ASTNode close_paren = our_node.findChildByType(PyTokenTypes.RPAR);
if (close_paren != null) {
for (PyNamedParameter param : result.getUnmappedParams()) {
holder.registerProblem(
close_paren.getPsi(),
PyBundle.message("INSP.parameter.$0.unfilled", param.getName()));
}
}
}
}
private static ProblemDescriptor runLocalTool(
@NotNull PsiElement psiElement,
@NotNull InspectionManager inspectionManager,
@NotNull OfflineProblemDescriptor offlineProblemDescriptor,
@NotNull LocalInspectionToolWrapper toolWrapper) {
PsiFile containingFile = psiElement.getContainingFile();
final ProblemsHolder holder = new ProblemsHolder(inspectionManager, containingFile, false);
final LocalInspectionTool localTool = toolWrapper.getTool();
final int startOffset = psiElement.getTextRange().getStartOffset();
final int endOffset = psiElement.getTextRange().getEndOffset();
LocalInspectionToolSession session =
new LocalInspectionToolSession(containingFile, startOffset, endOffset);
final PsiElementVisitor visitor = localTool.buildVisitor(holder, false, session);
localTool.inspectionStarted(session, false);
final PsiElement[] elementsInRange =
getElementsIntersectingRange(containingFile, startOffset, endOffset);
for (PsiElement element : elementsInRange) {
element.accept(visitor);
}
localTool.inspectionFinished(session, holder);
if (holder.hasResults()) {
final List<ProblemDescriptor> list = holder.getResults();
final int idx = offlineProblemDescriptor.getProblemIndex();
int curIdx = 0;
for (ProblemDescriptor descriptor : list) {
final PsiNamedElement member = localTool.getProblemElement(descriptor.getPsiElement());
if (psiElement instanceof PsiFile || member != null && member.equals(psiElement)) {
if (curIdx == idx) {
return descriptor;
}
curIdx++;
}
}
}
return null;
}
static void registerProblem(
BnfExpression choice,
BnfExpression branch,
String message,
ProblemsHolder problemsHolder,
LocalQuickFix... fixes) {
TextRange textRange = branch.getTextRange();
if (textRange.isEmpty()) {
ASTNode nextOr = TreeUtil.findSibling(branch.getNode(), BnfTypes.BNF_OP_OR);
ASTNode prevOr = TreeUtil.findSiblingBackward(branch.getNode(), BnfTypes.BNF_OP_OR);
int shift = choice.getTextRange().getStartOffset();
int startOffset = prevOr != null ? prevOr.getStartOffset() - shift : 0;
TextRange range =
new TextRange(
startOffset,
nextOr != null
? nextOr.getStartOffset() + 1 - shift
: Math.min(startOffset + 2, choice.getTextLength()));
problemsHolder.registerProblem(choice, range, message, fixes);
} else {
problemsHolder.registerProblem(branch, message, fixes);
}
}