@Override
public boolean checkApplicability(
@NotNull AnnotationHolder holder, @NotNull GrAnnotation annotation) {
final String qname = annotation.getQualifiedName();
if (!GroovyCommonClassNames.GROOVY_TRANSFORM_FIELD.equals(qname)) return false;
checkScriptField(holder, annotation);
PsiElement annoParent = annotation.getParent();
PsiElement ownerToUse =
annoParent instanceof PsiModifierList ? annoParent.getParent() : annoParent;
if (!(ownerToUse instanceof GrVariableDeclaration)
|| !PsiUtil.isLocalVariable(((GrVariableDeclaration) ownerToUse).getVariables()[0])) {
return false;
}
if (!GrAnnotationImpl.isAnnotationApplicableTo(
annotation, PsiAnnotation.TargetType.LOCAL_VARIABLE)) {
GrCodeReferenceElement ref = annotation.getClassReference();
String target = JavaErrorMessages.message("annotation.target.LOCAL_VARIABLE");
String description =
JavaErrorMessages.message("annotation.not.applicable", ref.getText(), target);
holder.createErrorAnnotation(ref, description);
}
return true;
}
@Nullable
public PsiBuilder.Marker parseConditional(final PsiBuilder builder) {
final PsiBuilder.Marker condition = parseExpression(builder, ExprType.CONDITIONAL_OR);
if (condition == null) return null;
if (builder.getTokenType() != JavaTokenType.QUEST) return condition;
final PsiBuilder.Marker ternary = condition.precede();
builder.advanceLexer();
final PsiBuilder.Marker truePart = parse(builder);
if (truePart == null) {
error(builder, JavaErrorMessages.message("expected.expression"));
ternary.done(JavaElementType.CONDITIONAL_EXPRESSION);
return ternary;
}
if (builder.getTokenType() != JavaTokenType.COLON) {
error(builder, JavaErrorMessages.message("expected.colon"));
ternary.done(JavaElementType.CONDITIONAL_EXPRESSION);
return ternary;
}
builder.advanceLexer();
final PsiBuilder.Marker falsePart = parseConditional(builder);
if (falsePart == null) {
error(builder, JavaErrorMessages.message("expected.expression"));
ternary.done(JavaElementType.CONDITIONAL_EXPRESSION);
return ternary;
}
ternary.done(JavaElementType.CONDITIONAL_EXPRESSION);
return ternary;
}
@SuppressWarnings({"UnresolvedPropertyKey"})
public String getUnresolvedMessagePattern(int index) {
if (canReferencePackage(index)) {
return JavaErrorMessages.message("error.cannot.resolve.class.or.package");
}
return JavaErrorMessages.message("error.cannot.resolve.class");
}
@Nullable
static HighlightInfo checkFileDuplicates(@NotNull PsiJavaModule element, @NotNull PsiFile file) {
Module module = ModuleUtilCore.findModuleForPsiElement(element);
if (module != null) {
Project project = file.getProject();
Collection<VirtualFile> others =
FilenameIndex.getVirtualFilesByName(project, MODULE_INFO_FILE, new ModulesScope(module));
if (others.size() > 1) {
String message = JavaErrorMessages.message("module.file.duplicate");
HighlightInfo info =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(range(element))
.description(message)
.create();
others
.stream()
.map(f -> PsiManager.getInstance(project).findFile(f))
.filter(f -> f != file)
.findFirst()
.ifPresent(
duplicate ->
QuickFixAction.registerQuickFixAction(
info,
new GoToSymbolFix(
duplicate, JavaErrorMessages.message("module.open.duplicate.text"))));
return info;
}
}
return null;
}
@Nullable
private PsiBuilder.Marker parseUnary(final PsiBuilder builder) {
final IElementType tokenType = builder.getTokenType();
if (PREFIX_OPS.contains(tokenType)) {
final PsiBuilder.Marker unary = builder.mark();
builder.advanceLexer();
final PsiBuilder.Marker operand = parseUnary(builder);
if (operand == null) {
error(builder, JavaErrorMessages.message("expected.expression"));
}
unary.done(JavaElementType.PREFIX_EXPRESSION);
return unary;
} else if (tokenType == JavaTokenType.LPARENTH) {
final PsiBuilder.Marker typeCast = builder.mark();
builder.advanceLexer();
ReferenceParser.TypeInfo typeInfo =
myParser
.getReferenceParser()
.parseTypeInfo(
builder,
ReferenceParser.EAT_LAST_DOT
| ReferenceParser.WILDCARD
| ReferenceParser.CONJUNCTIONS
| ReferenceParser.INCOMPLETE_ANNO);
if (typeInfo == null || !expect(builder, JavaTokenType.RPARENTH)) {
typeCast.rollbackTo();
return parsePostfix(builder);
}
if (PREF_ARITHMETIC_OPS.contains(builder.getTokenType()) && !typeInfo.isPrimitive) {
typeCast.rollbackTo();
return parsePostfix(builder);
}
final PsiBuilder.Marker expr = parseUnary(builder);
if (expr == null) {
if (!typeInfo
.isParameterized) { // cannot parse correct parenthesized expression after correct
// parameterized type
typeCast.rollbackTo();
return parsePostfix(builder);
} else {
error(builder, JavaErrorMessages.message("expected.expression"));
}
}
typeCast.done(JavaElementType.TYPE_CAST_EXPRESSION);
return typeCast;
} else {
return parsePostfix(builder);
}
}
@Nullable
private PsiBuilder.Marker parseArrayInitializer(final PsiBuilder builder) {
if (builder.getTokenType() != JavaTokenType.LBRACE) return null;
final PsiBuilder.Marker arrayInit = builder.mark();
builder.advanceLexer();
boolean expressionMissed = false;
PsiBuilder.Marker lastComma = null;
while (true) {
if (builder.getTokenType() == JavaTokenType.RBRACE) {
builder.advanceLexer();
break;
}
if (builder.getTokenType() == null) {
error(builder, JavaErrorMessages.message("expected.rbrace"));
break;
}
if (expressionMissed && lastComma != null) {
// before comma must be an expression
lastComma
.precede()
.errorBefore(JavaErrorMessages.message("expected.expression"), lastComma);
lastComma.drop();
lastComma = null;
}
final PsiBuilder.Marker arg = parse(builder);
if (arg == null) {
if (builder.getTokenType() == JavaTokenType.COMMA) {
expressionMissed = true;
lastComma = builder.mark();
} else {
error(builder, JavaErrorMessages.message("expected.rbrace"));
break;
}
}
final IElementType tokenType = builder.getTokenType();
if (tokenType == JavaTokenType.COMMA) {
builder.advanceLexer();
} else if (tokenType != JavaTokenType.RBRACE) {
error(builder, JavaErrorMessages.message("expected.comma"));
}
}
if (lastComma != null) {
lastComma.drop();
}
arrayInit.done(JavaElementType.ARRAY_INITIALIZER_EXPRESSION);
return arrayInit;
}
@Nullable
static HighlightInfo checkFinalFieldInitialized(@NotNull PsiField field) {
if (!field.hasModifierProperty(PsiModifier.FINAL)) return null;
if (isFieldInitializedAfterObjectConstruction(field)) return null;
String description = JavaErrorMessages.message("variable.not.initialized", field.getName());
TextRange range = HighlightNamesUtil.getFieldDeclarationTextRange(field);
HighlightInfo highlightInfo =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(range)
.descriptionAndTooltip(description)
.create();
QuickFixAction.registerQuickFixAction(
highlightInfo,
HighlightMethodUtil.getFixRange(field),
QUICK_FIX_FACTORY.createCreateConstructorParameterFromFieldFix(field));
QuickFixAction.registerQuickFixAction(
highlightInfo,
HighlightMethodUtil.getFixRange(field),
QUICK_FIX_FACTORY.createInitializeFinalFieldInConstructorFix(field));
final PsiClass containingClass = field.getContainingClass();
if (containingClass != null && !containingClass.isInterface()) {
QuickFixAction.registerQuickFixAction(
highlightInfo,
QUICK_FIX_FACTORY.createModifierListFix(field, PsiModifier.FINAL, false, false));
}
QuickFixAction.registerQuickFixAction(
highlightInfo, QUICK_FIX_FACTORY.createAddVariableInitializerFix(field));
return highlightInfo;
}
@NotNull
static List<HighlightInfo> checkDuplicateRequires(@NotNull PsiJavaModule module) {
List<HighlightInfo> results = ContainerUtil.newSmartList();
Map<String, PsiElement> map = ContainerUtil.newHashMap();
for (PsiElement child = module.getFirstChild(); child != null; child = child.getNextSibling()) {
if (child instanceof PsiRequiresStatement) {
PsiJavaModuleReferenceElement ref = ((PsiRequiresStatement) child).getReferenceElement();
if (ref != null) {
String text = ref.getReferenceText();
if (!map.containsKey(text)) {
map.put(text, child);
} else {
String message = JavaErrorMessages.message("module.duplicate.requires", text);
HighlightInfo info =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(child)
.description(message)
.create();
QuickFixAction.registerQuickFixAction(info, new DeleteElementFix(child));
results.add(info);
}
}
}
}
return results;
}
@Nullable
private PsiBuilder.Marker parseLambdaExpression(
final PsiBuilder builder, final boolean typed, @Nullable final PsiBuilder.Marker typeList) {
final PsiBuilder.Marker start = typeList != null ? typeList.precede() : builder.mark();
myParser.getDeclarationParser().parseLambdaParameterList(builder, typed);
if (!expect(builder, JavaTokenType.ARROW)) {
start.rollbackTo();
return null;
}
final PsiBuilder.Marker body;
if (builder.getTokenType() == JavaTokenType.LBRACE) {
body = myParser.getStatementParser().parseCodeBlock(builder);
} else {
body = parse(builder);
}
if (body == null) {
builder.error(JavaErrorMessages.message("expected.lbrace"));
}
start.done(JavaElementType.LAMBDA_EXPRESSION);
return start;
}
@Nullable
private static PsiBuilder.Marker parseBinary(
final PsiBuilder builder, final ExprType type, final TokenSet ops) {
PsiBuilder.Marker left = parseExpression(builder, type);
if (left == null) return null;
while (true) {
final IElementType tokenType = getGtTokenType(builder);
if (tokenType == null || !ops.contains(tokenType)) break;
final PsiBuilder.Marker binary = left.precede();
advanceGtToken(builder, tokenType);
final PsiBuilder.Marker right = parseExpression(builder, type);
if (right == null) {
error(builder, JavaErrorMessages.message("expected.expression"));
binary.done(JavaElementType.BINARY_EXPRESSION);
return binary;
}
binary.done(JavaElementType.BINARY_EXPRESSION);
left = binary;
}
return left;
}
@Nullable
public static HighlightInfo checkMissingReturnStatement(PsiCodeBlock body, PsiType returnType) {
if (body == null
|| returnType == null
|| PsiType.VOID.equals(returnType.getDeepComponentType())) {
return null;
}
// do not compute constant expressions for if() statement condition
// see JLS 14.20 Unreachable Statements
try {
ControlFlow controlFlow = getControlFlowNoConstantEvaluate(body);
if (!ControlFlowUtil.returnPresent(controlFlow)) {
PsiJavaToken rBrace = body.getRBrace();
PsiElement context = rBrace == null ? body.getLastChild() : rBrace;
String message = JavaErrorMessages.message("missing.return.statement");
HighlightInfo info =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(context)
.descriptionAndTooltip(message)
.create();
PsiElement parent = body.getParent();
if (parent instanceof PsiMethod) {
PsiMethod method = (PsiMethod) parent;
QuickFixAction.registerQuickFixAction(info, QUICK_FIX_FACTORY.createAddReturnFix(method));
QuickFixAction.registerQuickFixAction(
info, QUICK_FIX_FACTORY.createMethodReturnFix(method, PsiType.VOID, true));
}
return info;
}
} catch (AnalysisCanceledException ignored) {
}
return null;
}
@Nullable
private static String doCheckRepeatableAnnotation(@NotNull PsiAnnotation annotation) {
PsiAnnotationOwner owner = annotation.getOwner();
if (!(owner instanceof PsiModifierList)) return null;
PsiElement target = ((PsiModifierList) owner).getParent();
if (!(target instanceof PsiClass) || !((PsiClass) target).isAnnotationType()) return null;
PsiClass container = getRepeatableContainer(annotation);
if (container == null) return null;
PsiMethod[] methods = container.findMethodsByName("value", false);
if (methods.length == 0) {
return JavaErrorMessages.message(
"annotation.container.no.value", container.getQualifiedName());
}
if (methods.length == 1) {
PsiType expected =
new PsiImmediateClassType((PsiClass) target, PsiSubstitutor.EMPTY).createArrayType();
if (!expected.equals(methods[0].getReturnType())) {
return JavaErrorMessages.message(
"annotation.container.bad.type",
container.getQualifiedName(),
JavaHighlightUtil.formatType(expected));
}
}
RetentionPolicy targetPolicy = getRetentionPolicy((PsiClass) target);
if (targetPolicy != null) {
RetentionPolicy containerPolicy = getRetentionPolicy(container);
if (containerPolicy != null && targetPolicy.compareTo(containerPolicy) > 0) {
return JavaErrorMessages.message(
"annotation.container.low.retention", container.getQualifiedName(), containerPolicy);
}
}
Set<PsiAnnotation.TargetType> repeatableTargets =
PsiImplUtil.getAnnotationTargets((PsiClass) target);
if (repeatableTargets != null) {
Set<PsiAnnotation.TargetType> containerTargets = PsiImplUtil.getAnnotationTargets(container);
if (containerTargets != null && !repeatableTargets.containsAll(containerTargets)) {
return JavaErrorMessages.message(
"annotation.container.wide.target", container.getQualifiedName());
}
}
return null;
}
@NotNull
public static PsiBuilder.Marker parseArgumentList(final PsiBuilder builder) {
final PsiBuilder.Marker list = builder.mark();
builder.advanceLexer();
boolean first = true;
while (true) {
final IElementType tokenType = builder.getTokenType();
if (first && (ARGS_LIST_END.contains(tokenType) || builder.eof())) break;
if (!first && !ARGS_LIST_CONTINUE.contains(tokenType)) break;
boolean hasError = false;
if (!first) {
if (builder.getTokenType() == JavaTokenType.COMMA) {
builder.advanceLexer();
} else {
hasError = true;
error(builder, JavaErrorMessages.message("expected.comma.or.rparen"));
emptyExpression(builder);
}
}
first = false;
final PsiBuilder.Marker arg = parse(builder);
if (arg == null) {
if (!hasError) {
error(builder, JavaErrorMessages.message("expected.expression"));
emptyExpression(builder);
}
if (!ARGS_LIST_CONTINUE.contains(builder.getTokenType())) break;
if (builder.getTokenType() != JavaTokenType.COMMA && !builder.eof()) {
builder.advanceLexer();
}
}
}
final boolean closed =
JavaParserUtil.expectOrError(
builder, JavaTokenType.RPARENTH, JavaErrorMessages.message("expected.rparen"));
list.done(JavaElementType.EXPRESSION_LIST);
if (!closed) {
list.setCustomEdgeTokenBinders(null, GREEDY_RIGHT_EDGE_PROCESSOR);
}
return list;
}
@Nullable
public static String isAnnotationApplicable(
@NotNull GrAnnotation annotation, final PsiElement parent) {
PsiElement owner = parent.getParent();
final PsiElement ownerToUse = parent instanceof PsiModifierList ? owner : parent;
String[] elementTypeFields = GrAnnotationImpl.getApplicableElementTypeFields(ownerToUse);
if (elementTypeFields != null
&& !GrAnnotationImpl.isAnnotationApplicableTo(annotation, false, elementTypeFields)) {
final String annotationTargetText =
JavaErrorMessages.message("annotation.target." + elementTypeFields[0]);
GrCodeReferenceElement ref = annotation.getClassReference();
return JavaErrorMessages.message(
"annotation.not.applicable", ref.getText(), annotationTargetText);
}
return null;
}
@Nullable
public static HighlightInfo checkValidAnnotationType(final PsiTypeElement typeElement) {
PsiType type = typeElement.getType();
if (type.accept(AnnotationReturnTypeVisitor.INSTANCE).booleanValue()) {
return null;
}
String description = JavaErrorMessages.message("annotation.invalid.annotation.member.type");
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(typeElement)
.descriptionAndTooltip(description)
.create();
}
@Nullable
private PsiBuilder.Marker parseRelational(final PsiBuilder builder) {
PsiBuilder.Marker left = parseExpression(builder, ExprType.SHIFT);
if (left == null) return null;
IElementType tokenType;
while ((tokenType = getGtTokenType(builder)) != null) {
final IElementType toCreate;
final ExprType toParse;
if (RELATIONAL_OPS.contains(tokenType)) {
toCreate = JavaElementType.BINARY_EXPRESSION;
toParse = ExprType.SHIFT;
} else if (tokenType == JavaTokenType.INSTANCEOF_KEYWORD) {
toCreate = JavaElementType.INSTANCE_OF_EXPRESSION;
toParse = ExprType.TYPE;
} else {
break;
}
final PsiBuilder.Marker expression = left.precede();
advanceGtToken(builder, tokenType);
final PsiBuilder.Marker right = parseExpression(builder, toParse);
if (right == null) {
error(
builder,
toParse == ExprType.TYPE
? JavaErrorMessages.message("expected.type")
: JavaErrorMessages.message("expected.expression"));
expression.done(toCreate);
return expression;
}
expression.done(toCreate);
left = expression;
}
return left;
}
@Nullable
public static HighlightInfo checkNameValuePair(PsiNameValuePair pair) {
PsiReference ref = pair.getReference();
if (ref == null) return null;
PsiMethod method = (PsiMethod) ref.resolve();
if (method == null) {
if (pair.getName() != null) {
final String description =
JavaErrorMessages.message("annotation.unknown.method", ref.getCanonicalText());
PsiElement element = ref.getElement();
final HighlightInfo highlightInfo =
HighlightInfo.newHighlightInfo(HighlightInfoType.WRONG_REF)
.range(element)
.descriptionAndTooltip(description)
.create();
QuickFixAction.registerQuickFixAction(
highlightInfo,
QuickFixFactory.getInstance().createCreateAnnotationMethodFromUsageFix(pair));
return highlightInfo;
} else {
String description =
JavaErrorMessages.message("annotation.missing.method", ref.getCanonicalText());
PsiElement element = ref.getElement();
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(element)
.descriptionAndTooltip(description)
.create();
}
} else {
PsiType returnType = method.getReturnType();
assert returnType != null : method;
PsiAnnotationMemberValue value = pair.getValue();
HighlightInfo info = checkMemberValueType(value, returnType);
if (info != null) return info;
return checkDuplicateAttribute(pair);
}
}
@Nullable
public static HighlightInfo checkCyclicMemberType(PsiTypeElement typeElement, PsiClass aClass) {
LOG.assertTrue(aClass.isAnnotationType());
PsiType type = typeElement.getType();
final Set<PsiClass> checked = new HashSet<PsiClass>();
if (cyclicDependencies(aClass, type, checked, aClass.getManager())) {
String description = JavaErrorMessages.message("annotation.cyclic.element.type");
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(typeElement)
.descriptionAndTooltip(description)
.create();
}
return null;
}
@Nullable
private static HighlightInfo checkReferenceTarget(
PsiAnnotation annotation, @Nullable PsiJavaCodeReferenceElement ref) {
if (ref == null) return null;
PsiElement refTarget = ref.resolve();
if (refTarget == null) return null;
String message = null;
if (!(refTarget instanceof PsiClass)) {
message = JavaErrorMessages.message("annotation.not.allowed.ref");
} else {
PsiElement parent = ref.getParent();
if (parent instanceof PsiJavaCodeReferenceElement) {
PsiElement qualified = ((PsiJavaCodeReferenceElement) parent).resolve();
if (qualified instanceof PsiMember
&& ((PsiMember) qualified).hasModifierProperty(PsiModifier.STATIC)) {
message = JavaErrorMessages.message("annotation.not.allowed.static");
}
}
}
return message != null ? annotationError(annotation, message) : null;
}
@NotNull
private PsiBuilder.Marker parseMethodReference(
final PsiBuilder builder, final PsiBuilder.Marker start) {
builder.advanceLexer();
myParser.getReferenceParser().parseReferenceParameterList(builder, false, false);
if (!expect(builder, JavaTokenType.IDENTIFIER) && !expect(builder, JavaTokenType.NEW_KEYWORD)) {
error(builder, JavaErrorMessages.message("expected.identifier"));
}
start.done(JavaElementType.METHOD_REF_EXPRESSION);
return start;
}
@Nullable
static HighlightInfo checkVariableMustBeFinal(
PsiVariable variable,
PsiJavaCodeReferenceElement context,
@NotNull LanguageLevel languageLevel) {
if (variable.hasModifierProperty(PsiModifier.FINAL)) return null;
final PsiClass innerClass = getInnerClassVariableReferencedFrom(variable, context);
if (innerClass != null) {
if (variable instanceof PsiParameter) {
final PsiElement parent = variable.getParent();
if (parent instanceof PsiParameterList
&& parent.getParent() instanceof PsiLambdaExpression
&& notAccessedForWriting(
variable, new LocalSearchScope(((PsiParameter) variable).getDeclarationScope()))) {
return null;
}
}
if (languageLevel.isAtLeast(LanguageLevel.JDK_1_8)
&& isEffectivelyFinal(variable, innerClass, context)) {
return null;
}
final String description =
JavaErrorMessages.message("variable.must.be.final", context.getText());
final HighlightInfo highlightInfo =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(context)
.descriptionAndTooltip(description)
.create();
QuickFixAction.registerQuickFixAction(
highlightInfo,
QUICK_FIX_FACTORY.createVariableAccessFromInnerClassFix(variable, innerClass));
return highlightInfo;
}
final PsiLambdaExpression lambdaExpression =
PsiTreeUtil.getParentOfType(context, PsiLambdaExpression.class);
if (lambdaExpression != null && !PsiTreeUtil.isAncestor(lambdaExpression, variable, true)) {
final PsiElement parent = variable.getParent();
if (parent instanceof PsiParameterList && parent.getParent() == lambdaExpression) {
return null;
}
if (!isEffectivelyFinal(variable, lambdaExpression, context)) {
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(context)
.descriptionAndTooltip("Variable used in lambda expression should be effectively final")
.create();
}
}
return null;
}
@Nullable
public static HighlightInfo checkAnnotationDeclaration(
final PsiElement parent, final PsiReferenceList list) {
if (PsiUtil.isAnnotationMethod(parent)) {
PsiAnnotationMethod method = (PsiAnnotationMethod) parent;
if (list == method.getThrowsList()) {
String description =
JavaErrorMessages.message("annotation.members.may.not.have.throws.list");
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(list)
.descriptionAndTooltip(description)
.create();
}
} else if (parent instanceof PsiClass && ((PsiClass) parent).isAnnotationType()) {
if (PsiKeyword.EXTENDS.equals(list.getFirstChild().getText())) {
String description = JavaErrorMessages.message("annotation.may.not.have.extends.list");
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(list)
.descriptionAndTooltip(description)
.create();
}
}
return null;
}
@Nullable
public static HighlightInfo checkAnnotationType(PsiAnnotation annotation) {
PsiJavaCodeReferenceElement nameReferenceElement = annotation.getNameReferenceElement();
if (nameReferenceElement != null) {
PsiElement resolved = nameReferenceElement.resolve();
if (!(resolved instanceof PsiClass) || !((PsiClass) resolved).isAnnotationType()) {
String description = JavaErrorMessages.message("annotation.annotation.type.expected");
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(nameReferenceElement)
.descriptionAndTooltip(description)
.create();
}
}
return null;
}
@Nullable
static HighlightInfo checkFileName(@NotNull PsiJavaModule element, @NotNull PsiFile file) {
if (!MODULE_INFO_FILE.equals(file.getName())) {
String message = JavaErrorMessages.message("module.file.wrong.name");
HighlightInfo info =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(range(element))
.description(message)
.create();
QuickFixAction.registerQuickFixAction(info, factory().createRenameFileFix(MODULE_INFO_FILE));
return info;
}
return null;
}
@Nullable
public static HighlightInfo checkPackageAnnotationContainingFile(
final PsiPackageStatement statement) {
if (statement.getAnnotationList() == null) {
return null;
}
PsiFile file = statement.getContainingFile();
if (file != null && !PsiPackage.PACKAGE_INFO_FILE.equals(file.getName())) {
String description = JavaErrorMessages.message("invalid.package.annotation.containing.file");
HighlightInfo.Builder builder = HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR);
builder.range(statement.getAnnotationList().getTextRange());
builder.descriptionAndTooltip(description);
return builder.create();
}
return null;
}
@Nullable
public static HighlightInfo checkMissingAttributes(PsiAnnotation annotation) {
PsiJavaCodeReferenceElement nameRef = annotation.getNameReferenceElement();
if (nameRef == null) return null;
PsiClass aClass = (PsiClass) nameRef.resolve();
if (aClass != null && aClass.isAnnotationType()) {
Set<String> names = new HashSet<String>();
PsiNameValuePair[] attributes = annotation.getParameterList().getAttributes();
for (PsiNameValuePair attribute : attributes) {
final String name = attribute.getName();
if (name != null) {
names.add(name);
} else {
names.add(PsiAnnotation.DEFAULT_REFERENCED_METHOD_NAME);
}
}
PsiMethod[] annotationMethods = aClass.getMethods();
List<String> missed = new ArrayList<String>();
for (PsiMethod method : annotationMethods) {
if (PsiUtil.isAnnotationMethod(method)) {
PsiAnnotationMethod annotationMethod = (PsiAnnotationMethod) method;
if (annotationMethod.getDefaultValue() == null) {
if (!names.contains(annotationMethod.getName())) {
missed.add(annotationMethod.getName());
}
}
}
}
if (!missed.isEmpty()) {
StringBuffer buff = new StringBuffer("'" + missed.get(0) + "'");
for (int i = 1; i < missed.size(); i++) {
buff.append(", ");
buff.append("'").append(missed.get(i)).append("'");
}
String description = JavaErrorMessages.message("annotation.missing.attribute", buff);
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(nameRef)
.descriptionAndTooltip(description)
.create();
}
}
return null;
}
@Nullable
public static HighlightInfo checkConstantExpression(PsiExpression expression) {
final PsiElement parent = expression.getParent();
if (PsiUtil.isAnnotationMethod(parent)
|| parent instanceof PsiNameValuePair
|| parent instanceof PsiArrayInitializerMemberValue) {
if (!PsiUtil.isConstantExpression(expression)) {
String description = JavaErrorMessages.message("annotation.non.constant.attribute.value");
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(expression)
.descriptionAndTooltip(description)
.create();
}
}
return null;
}
@Nullable
static HighlightInfo checkModuleReference(@Nullable PsiJavaModuleReferenceElement refElement) {
if (refElement != null) {
PsiPolyVariantReference ref = refElement.getReference();
assert ref != null : refElement.getParent();
if (ref.multiResolve(false).length == 0) {
String message =
JavaErrorMessages.message("module.ref.unknown", refElement.getReferenceText());
return HighlightInfo.newHighlightInfo(HighlightInfoType.WRONG_REF)
.range(refElement)
.description(message)
.create();
}
}
return null;
}
public static HighlightInfo checkUnreachableStatement(PsiCodeBlock codeBlock) {
if (codeBlock == null) return null;
// do not compute constant expressions for if() statement condition
// see JLS 14.20 Unreachable Statements
try {
final ControlFlow controlFlow = getControlFlowNoConstantEvaluate(codeBlock);
final PsiElement unreachableStatement = ControlFlowUtil.getUnreachableStatement(controlFlow);
if (unreachableStatement != null) {
String description = JavaErrorMessages.message("unreachable.statement");
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(unreachableStatement)
.descriptionAndTooltip(description)
.create();
}
} catch (AnalysisCanceledException e) {
// incomplete code
} catch (IndexNotReadyException ignored) {
}
return null;
}
@Nullable
static HighlightInfo checkFinalVariableInitializedInLoop(
@NotNull PsiReferenceExpression expression, @NotNull PsiElement resolved) {
if (ControlFlowUtil.isVariableAssignedInLoop(expression, resolved)) {
String description =
JavaErrorMessages.message(
"variable.assigned.in.loop", ((PsiVariable) resolved).getName());
final HighlightInfo highlightInfo =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(expression)
.descriptionAndTooltip(description)
.create();
QuickFixAction.registerQuickFixAction(
highlightInfo,
QUICK_FIX_FACTORY.createModifierListFix(
(PsiVariable) resolved, PsiModifier.FINAL, false, false));
return highlightInfo;
}
return null;
}