public PsiReturnStatement addReturnForMethod(final PsiFile file, final PsiMethod method) {
final PsiModifierList modifiers = method.getModifierList();
if (modifiers.hasModifierProperty(PsiModifier.ABSTRACT) || method.getBody() == null) {
return null;
}
try {
final ConvertReturnStatementsVisitor visitor =
new ConvertReturnStatementsVisitor(factory, method, myTargetType);
ControlFlow controlFlow;
try {
controlFlow = HighlightControlFlowUtil.getControlFlowNoConstantEvaluate(method.getBody());
} catch (AnalysisCanceledException e) {
return null; // must be an error
}
PsiReturnStatement returnStatement;
if (controlFlow != null && ControlFlowUtil.processReturns(controlFlow, visitor)) {
// extra return statement not needed
// get latest modified return statement and select...
returnStatement = visitor.getLatestReturn();
} else {
returnStatement = visitor.createReturnInLastStatement();
}
if (method.getContainingFile() != file) {
UndoUtil.markPsiFileForUndo(file);
}
return returnStatement;
} catch (IncorrectOperationException e) {
LOG.error(e);
}
return null;
}
private static PsiStatement addInitializationToConstructors(
PsiLocalVariable local,
PsiField field,
PsiMethod enclosingConstructor,
PsiElementFactory factory)
throws IncorrectOperationException {
PsiClass aClass = field.getContainingClass();
PsiMethod[] constructors = aClass.getConstructors();
PsiStatement assignment = createAssignment(local, field.getName(), factory);
boolean added = false;
for (PsiMethod constructor : constructors) {
if (constructor == enclosingConstructor) continue;
PsiCodeBlock body = constructor.getBody();
if (body == null) continue;
PsiStatement[] statements = body.getStatements();
if (statements.length > 0) {
PsiStatement first = statements[0];
if (first instanceof PsiExpressionStatement) {
PsiExpression expression = ((PsiExpressionStatement) first).getExpression();
if (expression instanceof PsiMethodCallExpression) {
@NonNls
String text = ((PsiMethodCallExpression) expression).getMethodExpression().getText();
if ("this".equals(text)) {
continue;
}
if ("super".equals(text)
&& enclosingConstructor == null
&& PsiTreeUtil.isAncestor(constructor, local, false)) {
local.delete();
return (PsiStatement) body.addAfter(assignment, first);
}
}
}
if (enclosingConstructor == null && PsiTreeUtil.isAncestor(constructor, local, false)) {
local.delete();
return (PsiStatement) body.addBefore(assignment, first);
}
}
assignment = (PsiStatement) body.add(assignment);
added = true;
}
if (!added && enclosingConstructor == null) {
if (aClass instanceof PsiAnonymousClass) {
final PsiClassInitializer classInitializer =
(PsiClassInitializer) aClass.addAfter(factory.createClassInitializer(), field);
assignment = (PsiStatement) classInitializer.getBody().add(assignment);
} else {
PsiMethod constructor = (PsiMethod) aClass.add(factory.createConstructor());
assignment = (PsiStatement) constructor.getBody().add(assignment);
}
}
if (enclosingConstructor == null) local.delete();
return assignment;
}
/** Add the initView() after onCreate() */
private void addInitViewAfterOnCreate() {
String initViewStatement = "initView();";
PsiMethod createMethod = mClass.findMethodsByName("onCreate", false)[0];
for (PsiStatement statement : createMethod.getBody().getStatements()) {
if (statement.getText().equals(initViewStatement)) {
return;
}
}
createMethod.getBody().add(mFactory.createStatementFromText(initViewStatement, mClass));
}
protected void performRefactoring(UsageInfo[] usages) {
if (!CommonRefactoringUtil.checkReadOnlyStatus(myProject, myTargetClass)) return;
PsiMethod patternMethod = createMethodToAdd();
final List<PsiReference> docRefs = new ArrayList<PsiReference>();
for (UsageInfo usage : usages) {
if (usage instanceof InheritorUsageInfo) {
final PsiClass inheritor = ((InheritorUsageInfo) usage).getInheritor();
addMethodToClass(inheritor, patternMethod, true);
} else if (usage instanceof MethodCallUsageInfo
&& !((MethodCallUsageInfo) usage).isInternal()) {
correctMethodCall(((MethodCallUsageInfo) usage).getMethodCallExpression(), false);
} else if (usage instanceof JavadocUsageInfo) {
docRefs.add(usage.getElement().getReference());
}
}
try {
if (myTargetClass.isInterface()) patternMethod.getBody().delete();
final PsiMethod method = addMethodToClass(myTargetClass, patternMethod, false);
myMethod.delete();
for (PsiReference reference : docRefs) {
reference.bindToElement(method);
}
VisibilityUtil.fixVisibility(usages, method, myNewVisibility);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
@Override
public boolean isMethodOnlyCallsSuper(PsiMethod method) {
boolean hasStatements = false;
PsiCodeBlock body = method.getBody();
if (body != null) {
PsiStatement[] statements = body.getStatements();
for (PsiStatement statement : statements) {
boolean isCallToSameSuper = false;
if (statement instanceof PsiExpressionStatement) {
isCallToSameSuper =
isCallToSuperMethod(((PsiExpressionStatement) statement).getExpression(), method);
} else if (statement instanceof PsiReturnStatement) {
PsiExpression expression = ((PsiReturnStatement) statement).getReturnValue();
isCallToSameSuper = expression == null || isCallToSuperMethod(expression, method);
}
hasStatements = true;
if (isCallToSameSuper) continue;
return false;
}
}
if (hasStatements) {
final PsiMethod[] superMethods = method.findSuperMethods();
for (PsiMethod superMethod : superMethods) {
if (VisibilityUtil.compare(
VisibilityUtil.getVisibilityModifier(superMethod.getModifierList()),
VisibilityUtil.getVisibilityModifier(method.getModifierList()))
> 0) return false;
}
}
return hasStatements;
}
List<MethodContract> inferContracts() {
PsiCodeBlock body = myMethod.getBody();
PsiStatement[] statements = body == null ? PsiStatement.EMPTY_ARRAY : body.getStatements();
if (statements.length == 0) return Collections.emptyList();
if (statements.length == 1) {
if (statements[0] instanceof PsiReturnStatement) {
List<MethodContract> result =
handleDelegation(((PsiReturnStatement) statements[0]).getReturnValue(), false);
if (result != null) return result;
} else if (statements[0] instanceof PsiExpressionStatement
&& ((PsiExpressionStatement) statements[0]).getExpression()
instanceof PsiMethodCallExpression) {
List<MethodContract> result =
handleDelegation(((PsiExpressionStatement) statements[0]).getExpression(), false);
if (result != null)
return ContainerUtil.findAll(
result,
new Condition<MethodContract>() {
@Override
public boolean value(MethodContract contract) {
return contract.returnValue == THROW_EXCEPTION
|| !textMatches(myMethod.getReturnTypeElement(), PsiKeyword.VOID);
}
});
}
}
ValueConstraint[] emptyState =
MethodContract.createConstraintArray(myMethod.getParameterList().getParametersCount());
return visitStatements(Collections.singletonList(emptyState), statements);
}
@Override
protected PsiMethod findOrCreateSetUpMethod(PsiClass clazz) throws IncorrectOperationException {
LOG.assertTrue(clazz.getLanguage() == GroovyFileType.GROOVY_LANGUAGE);
final GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(clazz.getProject());
final PsiMethod patternMethod = createSetUpPatternMethod(factory);
final PsiClass baseClass = clazz.getSuperClass();
if (baseClass != null) {
final PsiMethod baseMethod = baseClass.findMethodBySignature(patternMethod, false);
if (baseMethod != null && baseMethod.hasModifierProperty(PsiModifier.PUBLIC)) {
PsiUtil.setModifierProperty(patternMethod, PsiModifier.PROTECTED, false);
PsiUtil.setModifierProperty(patternMethod, PsiModifier.PUBLIC, true);
}
}
PsiMethod inClass = clazz.findMethodBySignature(patternMethod, false);
if (inClass == null) {
PsiMethod testMethod = JUnitUtil.findFirstTestMethod(clazz);
if (testMethod != null) {
return (PsiMethod) clazz.addBefore(patternMethod, testMethod);
}
return (PsiMethod) clazz.add(patternMethod);
} else if (inClass.getBody() == null) {
return (PsiMethod) inClass.replace(patternMethod);
}
return inClass;
}
@Override
public void visitMethod(@NotNull PsiMethod method) {
super.visitMethod(method);
final PsiCodeBlock body = method.getBody();
if (body == null) {
return;
}
if (method.getNameIdentifier() == null) {
return;
}
final PsiMethod leastConcreteSuperMethod = getLeastConcreteSuperMethod(method);
if (leastConcreteSuperMethod == null) {
return;
}
final PsiClass objectClass = ClassUtils.findObjectClass(method);
final PsiMethod[] superMethods = method.findSuperMethods(objectClass);
if (superMethods.length > 0) {
return;
}
if (ignoreEmptySuperMethods) {
final PsiMethod superMethod = (PsiMethod) leastConcreteSuperMethod.getNavigationElement();
if (MethodUtils.isTrivial(superMethod, true)) {
return;
}
}
if (onlyReportWhenAnnotated) {
if (!AnnotationUtil.isAnnotated(leastConcreteSuperMethod, annotations)) {
return;
}
}
if (containsSuperCall(body, leastConcreteSuperMethod)) {
return;
}
registerMethodError(method);
}
@Override
public void visitMethod(PsiMethod method) {
ArrangementSettingsToken type = method.isConstructor() ? CONSTRUCTOR : METHOD;
JavaElementArrangementEntry entry =
createNewEntry(method, method.getTextRange(), type, method.getName(), true);
if (entry == null) {
return;
}
processEntry(entry, method, method.getBody());
parseProperties(method, entry);
myInfo.onMethodEntryCreated(method, entry);
MethodSignatureBackedByPsiMethod overridden =
SuperMethodsSearch.search(method, null, true, false).findFirst();
if (overridden != null) {
myInfo.onOverriddenMethod(overridden.getMethod(), method);
}
boolean reset = myMethodBodyProcessor.setBaseMethod(method);
try {
method.accept(myMethodBodyProcessor);
} finally {
if (reset) {
myMethodBodyProcessor.setBaseMethod(null);
}
}
}
private void collectUncaughtExceptions(@NotNull PsiMethod method) {
if (isExternalOverride()) return;
if (getRefManager().isOfflineView()) return;
@NonNls final String name = method.getName();
if (getOwnerClass().isTestCase() && name.startsWith("test")) return;
if (getSuperMethods().isEmpty()) {
PsiClassType[] throwsList = method.getThrowsList().getReferencedTypes();
if (throwsList.length > 0) {
myUnThrownExceptions =
throwsList.length == 1
? new SmartList<String>()
: new ArrayList<String>(throwsList.length);
for (final PsiClassType type : throwsList) {
PsiClass aClass = type.resolve();
String fqn = aClass == null ? null : aClass.getQualifiedName();
if (fqn != null) {
myUnThrownExceptions.add(fqn);
}
}
}
}
final PsiCodeBlock body = method.getBody();
if (body == null) return;
final Collection<PsiClassType> exceptionTypes =
ExceptionUtil.collectUnhandledExceptions(body, method, false);
for (final PsiClassType exceptionType : exceptionTypes) {
updateThrowsList(exceptionType);
}
}
private boolean isTrivial(PsiMethod method) {
final PsiCodeBlock body = method.getBody();
if (body == null) {
return true;
}
final PsiStatement[] statements = body.getStatements();
if (statements.length == 0) {
return true;
}
final Project project = method.getProject();
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiConstantEvaluationHelper evaluationHelper = psiFacade.getConstantEvaluationHelper();
for (PsiStatement statement : statements) {
if (!(statement instanceof PsiIfStatement)) {
return false;
}
final PsiIfStatement ifStatement = (PsiIfStatement) statement;
final PsiExpression condition = ifStatement.getCondition();
final Object result = evaluationHelper.computeConstantExpression(condition);
if (result == null || !result.equals(Boolean.FALSE)) {
return false;
}
}
return true;
}
@Override
public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
return myMethod != null
&& myMethod.isValid()
&& myMethod.getBody() == null
&& myMethod.getContainingClass() != null
&& myMethod.getManager().isInProject(myMethod);
}
public static boolean isFieldInitializedAfterObjectConstruction(@NotNull PsiField field) {
if (field.hasInitializer()) return true;
final boolean isFieldStatic = field.hasModifierProperty(PsiModifier.STATIC);
final PsiClass aClass = field.getContainingClass();
if (aClass != null) {
// field might be assigned in the other field initializers
if (isFieldInitializedInOtherFieldInitializer(aClass, field, isFieldStatic)) return true;
}
final PsiClassInitializer[] initializers;
if (aClass != null) {
initializers = aClass.getInitializers();
} else {
return false;
}
for (PsiClassInitializer initializer : initializers) {
if (initializer.hasModifierProperty(PsiModifier.STATIC) == isFieldStatic
&& variableDefinitelyAssignedIn(field, initializer.getBody())) {
return true;
}
}
if (isFieldStatic) {
return false;
} else {
// instance field should be initialized at the end of the each constructor
final PsiMethod[] constructors = aClass.getConstructors();
if (constructors.length == 0) return false;
nextConstructor:
for (PsiMethod constructor : constructors) {
PsiCodeBlock ctrBody = constructor.getBody();
if (ctrBody == null) return false;
final List<PsiMethod> redirectedConstructors =
JavaHighlightUtil.getChainedConstructors(constructor);
for (int j = 0; redirectedConstructors != null && j < redirectedConstructors.size(); j++) {
PsiMethod redirectedConstructor = redirectedConstructors.get(j);
final PsiCodeBlock body = redirectedConstructor.getBody();
if (body != null && variableDefinitelyAssignedIn(field, body)) continue nextConstructor;
}
if (!ctrBody.isValid() || variableDefinitelyAssignedIn(field, ctrBody)) {
continue;
}
return false;
}
return true;
}
}
@Override
public ProblemDescriptor[] checkMethod(
@NotNull PsiMethod psiMethod, @NotNull InspectionManager manager, boolean isOnTheFly) {
final PsiCodeBlock body = psiMethod.getBody();
if (body != null) {
return getDescriptions(body, manager, isOnTheFly);
}
return null;
}
public static PsiMethod generateSetterPrototype(
PsiField field, final PsiClass containingClass, boolean returnSelf) {
Project project = field.getProject();
JavaCodeStyleManager codeStyleManager = JavaCodeStyleManager.getInstance(project);
PsiElementFactory factory = JavaPsiFacade.getInstance(field.getProject()).getElementFactory();
String name = field.getName();
boolean isStatic = field.hasModifierProperty(PsiModifier.STATIC);
VariableKind kind = codeStyleManager.getVariableKind(field);
String propertyName = codeStyleManager.variableNameToPropertyName(name, kind);
String setName = suggestSetterName(project, field);
try {
PsiMethod setMethod =
factory.createMethod(
setName, returnSelf ? factory.createType(containingClass) : PsiType.VOID);
String parameterName =
codeStyleManager.propertyNameToVariableName(propertyName, VariableKind.PARAMETER);
PsiParameter param = factory.createParameter(parameterName, field.getType());
annotateWithNullableStuff(field, factory, param);
setMethod.getParameterList().add(param);
PsiUtil.setModifierProperty(setMethod, PsiModifier.PUBLIC, true);
PsiUtil.setModifierProperty(setMethod, PsiModifier.STATIC, isStatic);
@NonNls StringBuffer buffer = new StringBuffer();
buffer.append("{\n");
if (name.equals(parameterName)) {
if (!isStatic) {
buffer.append("this.");
} else {
String className = containingClass.getName();
if (className != null) {
buffer.append(className);
buffer.append(".");
}
}
}
buffer.append(name);
buffer.append("=");
buffer.append(parameterName);
buffer.append(";\n");
if (returnSelf) {
buffer.append("return this;\n");
}
buffer.append("}");
PsiCodeBlock body = factory.createCodeBlockFromText(buffer.toString(), null);
setMethod.getBody().replace(body);
setMethod = (PsiMethod) CodeStyleManager.getInstance(project).reformat(setMethod);
return setMethod;
} catch (IncorrectOperationException e) {
LOG.error(e);
return null;
}
}
public void applyFix(final Project project, final PsiFile file, final Editor editor) {
if (!CodeInsightUtilBase.prepareFileForWrite(myClass.getContainingFile())) return;
PsiCodeBlock body;
if (myClass.isInterface() && (body = myMethod.getBody()) != null) body.delete();
for (String exception : myExceptions) {
PsiUtil.addException(myMethod, exception);
}
PsiMethod method = (PsiMethod) myClass.add(myMethod);
method = (PsiMethod) method.replace(reformat(project, method));
if (editor != null) {
GenerateMembersUtil.positionCaret(editor, method, true);
}
}
private void calculateInitializersConflicts(MultiMap<PsiElement, String> conflicts) {
final PsiClassInitializer[] initializers = sourceClass.getInitializers();
for (PsiClassInitializer initializer : initializers) {
if (initializerDependsOnMoved(initializer)) {
conflicts.putValue(initializer, "Class initializer requires moved members");
}
}
for (PsiMethod constructor : sourceClass.getConstructors()) {
if (initializerDependsOnMoved(constructor.getBody())) {
conflicts.putValue(constructor, "Constructor requires moved members");
}
}
}
@NotNull
protected UsageInfo[] findUsages() {
final PsiManager manager = myMethod.getManager();
final GlobalSearchScope searchScope = GlobalSearchScope.allScope(manager.getProject());
final List<UsageInfo> usages = new ArrayList<UsageInfo>();
for (PsiReference ref : ReferencesSearch.search(myMethod, searchScope, false)) {
final PsiElement element = ref.getElement();
if (element instanceof PsiReferenceExpression) {
boolean isInternal = PsiTreeUtil.isAncestor(myMethod, element, true);
usages.add(new MethodCallUsageInfo((PsiReferenceExpression) element, isInternal));
} else if (element instanceof PsiDocTagValue) {
usages.add(new JavadocUsageInfo(((PsiDocTagValue) element)));
} else {
throw new UnknownReferenceTypeException(element.getLanguage());
}
}
if (myTargetClass.isInterface()) {
addInheritorUsages(myTargetClass, searchScope, usages);
}
final PsiCodeBlock body = myMethod.getBody();
if (body != null) {
body.accept(
new JavaRecursiveElementWalkingVisitor() {
@Override
public void visitNewExpression(PsiNewExpression expression) {
if (MoveInstanceMembersUtil.getClassReferencedByThis(expression) != null) {
usages.add(new InternalUsageInfo(expression));
}
super.visitNewExpression(expression);
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
if (MoveInstanceMembersUtil.getClassReferencedByThis(expression) != null) {
usages.add(new InternalUsageInfo(expression));
} else if (!expression.isQualified()) {
final PsiElement resolved = expression.resolve();
if (myTargetVariable.equals(resolved)) {
usages.add(new InternalUsageInfo(expression));
}
}
super.visitReferenceExpression(expression);
}
});
}
return usages.toArray(new UsageInfo[usages.size()]);
}
@NotNull
private ParameterList createFunctionParameters(@NotNull PsiMethod method) {
List<Parameter> result = new LinkedList<Parameter>();
for (PsiParameter parameter : method.getParameterList().getParameters()) {
result.add(
new Parameter(
new IdentifierImpl(parameter.getName()),
typeToType(
parameter.getType(),
ConverterUtil.isAnnotatedAsNotNull(parameter.getModifierList())),
ConverterUtil.isReadOnly(parameter, method.getBody())));
}
return new ParameterList(result);
}
private void registerNestedClosures(DfaInstructionState instructionState, PsiClass nestedClass) {
DfaMemoryStateImpl closureState = createClosureState(instructionState.getMemoryState());
for (PsiMethod method : nestedClass.getMethods()) {
PsiCodeBlock body = method.getBody();
if (body != null) {
myNestedClosures.putValue(body, closureState);
}
}
for (PsiClassInitializer initializer : nestedClass.getInitializers()) {
myNestedClosures.putValue(initializer.getBody(), closureState);
}
for (PsiField field : nestedClass.getFields()) {
myNestedClosures.putValue(field, closureState);
}
}
private static void resolveParameterVsFieldsConflicts(
final PsiParameter[] newParms,
final PsiMethod method,
final PsiParameterList list,
boolean[] toRemoveParm)
throws IncorrectOperationException {
List<FieldConflictsResolver> conflictResolvers = new ArrayList<FieldConflictsResolver>();
for (PsiParameter parameter : newParms) {
conflictResolvers.add(new FieldConflictsResolver(parameter.getName(), method.getBody()));
}
ChangeSignatureUtil.synchronizeList(
list, Arrays.asList(newParms), ParameterList.INSTANCE, toRemoveParm);
JavaCodeStyleManager.getInstance(list.getProject()).shortenClassReferences(list);
for (FieldConflictsResolver fieldConflictsResolver : conflictResolvers) {
fieldConflictsResolver.fix();
}
}
@NotNull
private Function methodToFunction(@NotNull PsiMethod method, boolean notEmpty) {
if (isOverrideObjectDirect(method)) {
dispatcher.setExpressionVisitor(new ExpressionVisitorForDirectObjectInheritors(this));
} else {
dispatcher.setExpressionVisitor(new ExpressionVisitor(this));
}
methodReturnType = method.getReturnType();
IdentifierImpl identifier = new IdentifierImpl(method.getName());
Type returnType =
typeToType(
method.getReturnType(), ConverterUtil.isAnnotatedAsNotNull(method.getModifierList()));
Block body =
hasFlag(J2KConverterFlags.SKIP_BODIES)
? Block.EMPTY_BLOCK
: blockToBlock(method.getBody(), notEmpty); // #TODO
Element params = createFunctionParameters(method);
List<Element> typeParameters = elementsToElementList(method.getTypeParameters());
Set<String> modifiers = modifiersListToModifiersSet(method.getModifierList());
if (isOverrideAnyMethodExceptMethodsFromObject(method)) {
modifiers.add(Modifier.OVERRIDE);
}
if (method.getParent() instanceof PsiClass && ((PsiClass) method.getParent()).isInterface()) {
modifiers.remove(Modifier.ABSTRACT);
}
if (isNotOpenMethod(method)) {
modifiers.add(Modifier.NOT_OPEN);
}
if (method.isConstructor()) { // TODO: simplify
boolean isPrimary = isConstructorPrimary(method);
return new Constructor(
identifier,
modifiers,
returnType,
typeParameters,
params,
new Block(removeEmpty(body.getStatements()), false),
isPrimary);
}
return new Function(identifier, modifiers, returnType, typeParameters, params, body);
}
protected void performRefactoring(UsageInfo[] usages) {
if (!CommonRefactoringUtil.checkReadOnlyStatus(myProject, myTargetClass)) return;
PsiMethod patternMethod = createMethodToAdd();
final List<PsiReference> docRefs = new ArrayList<PsiReference>();
for (UsageInfo usage : usages) {
if (usage instanceof InheritorUsageInfo) {
final PsiClass inheritor = ((InheritorUsageInfo) usage).getInheritor();
addMethodToClass(inheritor, patternMethod, true);
} else if (usage instanceof MethodCallUsageInfo
&& !((MethodCallUsageInfo) usage).isInternal()) {
final PsiElement expression = ((MethodCallUsageInfo) usage).getMethodCallExpression();
if (expression instanceof PsiMethodCallExpression) {
correctMethodCall((PsiMethodCallExpression) expression, false);
} else if (expression instanceof PsiMethodReferenceExpression) {
PsiExpression newQualifier =
JavaPsiFacade.getInstance(myProject)
.getElementFactory()
.createExpressionFromText(myTargetVariable.getType().getCanonicalText(), null);
((PsiMethodReferenceExpression) expression).setQualifierExpression(newQualifier);
}
} else if (usage instanceof JavadocUsageInfo) {
docRefs.add(usage.getElement().getReference());
}
}
try {
if (myTargetClass.isInterface()) patternMethod.getBody().delete();
final PsiMethod method = addMethodToClass(myTargetClass, patternMethod, false);
myMethod.delete();
for (PsiReference reference : docRefs) {
reference.bindToElement(method);
}
VisibilityUtil.fixVisibility(UsageViewUtil.toElements(usages), method, myNewVisibility);
if (myOpenInEditor) {
EditorHelper.openInEditor(method);
}
} catch (IncorrectOperationException e) {
LOG.error(e);
}
}
private static PsiStatement addInitializationToSetUp(
final PsiLocalVariable local, final PsiField field, final PsiElementFactory factory)
throws IncorrectOperationException {
PsiMethod inClass =
TestFrameworks.getInstance().findOrCreateSetUpMethod(field.getContainingClass());
assert inClass != null;
PsiStatement assignment = createAssignment(local, field.getName(), factory);
final PsiCodeBlock body = inClass.getBody();
assert body != null;
if (PsiTreeUtil.isAncestor(body, local, false)) {
assignment =
(PsiStatement)
body.addBefore(assignment, PsiTreeUtil.getParentOfType(local, PsiStatement.class));
} else {
assignment = (PsiStatement) body.add(assignment);
}
local.delete();
return assignment;
}
@Override
public void visitField(@NotNull PsiField field) {
if (field.hasModifierProperty(PsiModifier.STATIC)) {
return;
}
if (field.getInitializer() != null) {
return;
}
final PsiAnnotation annotation = AnnotationUtil.findAnnotation(field, annotationNames);
if (annotation != null) {
return;
}
if (m_ignorePrimitives) {
final PsiType fieldType = field.getType();
if (ClassUtils.isPrimitive(fieldType)) {
return;
}
}
final PsiClass aClass = field.getContainingClass();
if (aClass == null) {
return;
}
for (ImplicitUsageProvider provider :
Extensions.getExtensions(ImplicitUsageProvider.EP_NAME)) {
if (provider.isImplicitWrite(field)) {
return;
}
}
final UninitializedReadCollector uninitializedReadsCollector =
new UninitializedReadCollector();
if (!isInitializedInInitializer(field, uninitializedReadsCollector)) {
final PsiMethod[] constructors = aClass.getConstructors();
for (final PsiMethod constructor : constructors) {
final PsiCodeBlock body = constructor.getBody();
uninitializedReadsCollector.blockAssignsVariable(body, field);
}
}
final PsiExpression[] badReads = uninitializedReadsCollector.getUninitializedReads();
for (PsiExpression expression : badReads) {
registerError(expression);
}
}
@Override
public void invoke(
@NotNull Project project,
@NotNull PsiFile file,
@Nullable("is null when called from inspection") Editor editor,
@NotNull PsiElement startElement,
@NotNull PsiElement endElement) {
final PsiClass myClass = (PsiClass) startElement;
if (!CodeInsightUtilBase.prepareFileForWrite(myClass.getContainingFile())) return;
PsiCodeBlock body;
if (myClass.isInterface() && (body = myMethodPrototype.getBody()) != null) body.delete();
for (String exception : myExceptions) {
PsiUtil.addException(myMethodPrototype, exception);
}
PsiMethod method = (PsiMethod) myClass.add(myMethodPrototype);
method = (PsiMethod) method.replace(reformat(project, method));
if (editor != null) {
GenerateMembersUtil.positionCaret(editor, method, true);
}
}
@Nullable
public static PsiField findPropertyFieldByMember(final PsiMember psiMember) {
if (psiMember instanceof PsiField) {
return (PsiField) psiMember;
} else if (psiMember instanceof PsiMethod) {
final PsiMethod psiMethod = (PsiMethod) psiMember;
final PsiType returnType = psiMethod.getReturnType();
if (returnType == null) return null;
final PsiCodeBlock body = psiMethod.getBody();
final PsiStatement[] statements = body == null ? null : body.getStatements();
final PsiStatement statement =
statements == null || statements.length != 1 ? null : statements[0];
final PsiElement target;
if (PsiType.VOID.equals(returnType)) {
final PsiExpression expression =
statement instanceof PsiExpressionStatement
? ((PsiExpressionStatement) statement).getExpression()
: null;
target =
expression instanceof PsiAssignmentExpression
? ((PsiAssignmentExpression) expression).getLExpression()
: null;
} else {
target =
statement instanceof PsiReturnStatement
? ((PsiReturnStatement) statement).getReturnValue()
: null;
}
final PsiElement resolved =
target instanceof PsiReferenceExpression
? ((PsiReferenceExpression) target).resolve()
: null;
if (resolved instanceof PsiField) {
final PsiField field = (PsiField) resolved;
if (psiMember.getContainingClass() == field.getContainingClass()
|| psiMember.getContainingClass().isInheritor(field.getContainingClass(), true))
return field;
}
}
return null;
}
private static boolean canCallMethodsInConstructors(PsiClass aClass, boolean virtual) {
for (PsiMethod constructor : aClass.getConstructors()) {
if (!constructor.getLanguage().isKindOf(JavaLanguage.INSTANCE)) return true;
PsiCodeBlock body = constructor.getBody();
if (body == null) continue;
for (PsiMethodCallExpression call :
SyntaxTraverser.psiTraverser().withRoot(body).filter(PsiMethodCallExpression.class)) {
PsiReferenceExpression methodExpression = call.getMethodExpression();
if (methodExpression instanceof PsiThisExpression
|| methodExpression instanceof PsiSuperExpression) continue;
if (!virtual) return true;
PsiMethod target = call.resolveMethod();
if (target != null && PsiUtil.canBeOverriden(target)) return true;
}
}
return false;
}
private static String computeConstantSuperCtorCallParameter(
PsiClass languagePsiClass, int index) {
if (languagePsiClass instanceof PsiAnonymousClass) {
return getStringConstantExpression(
((PsiAnonymousClass) languagePsiClass).getArgumentList(), index);
}
PsiMethod defaultConstructor = null;
for (PsiMethod constructor : languagePsiClass.getConstructors()) {
if (constructor.getParameterList().getParametersCount() == 0) {
defaultConstructor = constructor;
break;
}
}
if (defaultConstructor == null) {
return null;
}
final PsiCodeBlock body = defaultConstructor.getBody();
if (body == null) {
return null;
}
final PsiStatement[] statements = body.getStatements();
if (statements.length < 1) {
return null;
}
// super() must be first
PsiStatement statement = statements[0];
if (!(statement instanceof PsiExpressionStatement)) {
return null;
}
PsiExpression expression = ((PsiExpressionStatement) statement).getExpression();
if (!(expression instanceof PsiMethodCallExpression)) {
return null;
}
PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) expression;
PsiExpressionList expressionList = methodCallExpression.getArgumentList();
return getStringConstantExpression(expressionList, index);
}
private PsiMethod generateMethodBodyFor(
PsiMethod method,
String propertyName,
String parameterName,
PsiElementFactory elementFactory) {
StringBuilder methodBodyBuilder =
new StringBuilder()
.append("{\n")
.append("this.")
.append(propertyName)
.append("=")
.append(parameterName)
.append(";\n")
.append("return this;\n")
.append("}\n");
PsiCodeBlock methodBody =
elementFactory.createCodeBlockFromText(methodBodyBuilder.toString(), null);
method.getBody().replace(methodBody);
method = (PsiMethod) CodeStyleManager.getInstance(method.getProject()).reformat(method);
return method;
}