private void fixReferencesToStatic(GroovyPsiElement classMember, Set<PsiMember> movedMembers)
throws IncorrectOperationException {
final StaticReferencesCollector collector = new StaticReferencesCollector(movedMembers);
classMember.accept(collector);
ArrayList<GrReferenceElement> refs = collector.getReferences();
ArrayList<PsiElement> members = collector.getReferees();
ArrayList<PsiClass> classes = collector.getRefereeClasses();
GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(myProject);
for (int i = 0; i < refs.size(); i++) {
GrReferenceElement ref = refs.get(i);
PsiElement namedElement = members.get(i);
PsiClass aClass = classes.get(i);
if (namedElement instanceof PsiNamedElement) {
GrReferenceExpression newRef =
(GrReferenceExpression)
factory.createExpressionFromText(
"a." + ((PsiNamedElement) namedElement).getName(), null);
GrExpression qualifier = newRef.getQualifierExpression();
assert qualifier != null;
qualifier =
(GrExpression)
qualifier.replace(
factory.createReferenceExpressionFromText(aClass.getQualifiedName()));
qualifier.putCopyableUserData(PRESERVE_QUALIFIER, ref.isQualified());
PsiElement replaced = ref.replace(newRef);
JavaCodeStyleManager.getInstance(myProject).shortenClassReferences(replaced);
}
}
}
private static void genForPart(
StringBuilder builder, GroovyPsiElement part, final Generator visitor) {
part.accept(visitor);
for (String statement : visitor.getContext().myStatements) {
builder.append(statement).append(", ");
}
builder.append(visitor.getBuilder());
}
@Override
public void visitParenthesizedExpression(GrParenthesizedExpression expression) {
final PsiElement parent = expression.getParent();
if (parent instanceof GroovyPsiElement) {
((GroovyPsiElement) parent).accept(this);
} else {
parent.accept(new GroovyPsiElementVisitor(this));
}
}
@Override
public void processDynamicElements(
final @NotNull PsiType qualifierType,
final PsiScopeProcessor processor,
final GroovyPsiElement place,
final ResolveState state) {
if (!GroovyPsiManager.isInheritorCached(qualifierType, CommonClassNames.JAVA_UTIL_COLLECTION))
return;
final PsiType collectionType = PsiUtil.extractIterableTypeParameter(qualifierType, true);
if (collectionType == null) return;
final PsiScopeProcessor fieldSearcher =
new FieldSearcher(
processor,
JavaPsiFacade.getInstance(place.getProject())
.findClass(CommonClassNames.JAVA_UTIL_COLLECTION, place.getResolveScope()));
ResolveUtil.processAllDeclarations(collectionType, fieldSearcher, state, place);
}
@Override
public void processDynamicElements(
@NotNull PsiType qualifierType,
PsiClass aClass,
PsiScopeProcessor processor,
GroovyPsiElement place,
ResolveState state) {
ClassHint classHint = processor.getHint(ClassHint.KEY);
if (classHint != null && !classHint.shouldProcess(ClassHint.ResolveKind.PROPERTY)) return;
String nameHint = ResolveUtil.getNameHint(processor);
Map<String, PsiClass> supers = TypesUtil.getSuperClassesWithCache(aClass);
PsiElement grCall = place.getParent();
if (grCall instanceof GrMethodCall) {
PsiElement grClosure = grCall.getParent();
if (grClosure instanceof GrClosableBlock) {
PsiElement contentField = grClosure.getParent();
if (contentField instanceof GrField) {
GrField f = (GrField) contentField;
if ("content".equals(f.getName())
&& f.hasModifierProperty(PsiModifier.STATIC)
&& f.getContainingClass() == aClass) {
Map<String, PsiField> elements = GebUtil.getContentElements(aClass);
for (PsiField field : elements.values()) {
if (field.getNavigationElement() == place) {
return; // Don't resolve variable definition.
}
}
}
}
}
}
for (PsiClass psiClass : supers.values()) {
Map<String, PsiField> contentFields = GebUtil.getContentElements(psiClass);
if (nameHint == null) {
for (Map.Entry<String, PsiField> entry : contentFields.entrySet()) {
if (!processor.execute(entry.getValue(), state)) return;
}
} else {
PsiField field = contentFields.get(nameHint);
if (field != null) {
processor.execute(field, state);
return;
}
}
}
}
public static void detectAccessibilityConflicts(
@Nullable GroovyPsiElement elementToProcess,
final UsageInfo[] usages,
MultiMap<PsiElement, String> conflicts,
boolean replaceFieldsWithGetters,
Project project) {
if (elementToProcess == null) return;
final ReferencedElementsCollector collector = new ReferencedElementsCollector();
elementToProcess.accept(collector);
final List<PsiElement> result = collector.getResult();
if (result.isEmpty()) return;
for (final UsageInfo usageInfo : usages) {
if (!(usageInfo instanceof ExternalUsageInfo)
|| !IntroduceParameterUtil.isMethodUsage(usageInfo)) continue;
final PsiElement place = usageInfo.getElement();
for (PsiElement element : result) {
if (element instanceof PsiField && replaceFieldsWithGetters) {
// check getter access instead
final PsiClass psiClass = ((PsiField) element).getContainingClass();
LOG.assertTrue(psiClass != null);
final PsiMethod method = GroovyPropertyUtils.findGetterForField((PsiField) element);
if (method != null) {
element = method;
}
}
if (element instanceof PsiMember
&& !JavaPsiFacade.getInstance(project)
.getResolveHelper()
.isAccessible((PsiMember) element, place, null)) {
String message =
RefactoringBundle.message(
"0.is.not.accessible.from.1.value.for.introduced.parameter.in.that.method.call.will.be.incorrect",
RefactoringUIUtil.getDescription(element, true),
RefactoringUIUtil.getDescription(ConflictsUtil.getContainer(place), true));
conflicts.putValue(element, message);
}
}
}
}
private void buildFlowForClosure(final GrClosableBlock closure) {
for (GrParameter parameter : closure.getAllParameters()) {
if (myPolicy.isVariableInitialized(parameter)) {
addNode(new ReadWriteVariableInstruction(parameter.getName(), parameter, WRITE));
}
}
addNode(new ReadWriteVariableInstruction("owner", closure.getLBrace(), WRITE));
PsiElement child = closure.getFirstChild();
while (child != null) {
if (child instanceof GroovyPsiElement) {
((GroovyPsiElement) child).accept(this);
}
child = child.getNextSibling();
}
final GrStatement[] statements = closure.getStatements();
if (statements.length > 0) {
handlePossibleReturn(statements[statements.length - 1]);
}
}
public Instruction[] buildControlFlow(GroovyPsiElement scope) {
myInstructions = new ArrayList<InstructionImpl>();
myProcessingStack = new ArrayDeque<InstructionImpl>();
myCaughtExceptionInfos = new ArrayDeque<ExceptionInfo>();
myConditions = new ArrayDeque<ConditionInstruction>();
myFinallyCount = 0;
myPending = new ArrayList<Pair<InstructionImpl, GroovyPsiElement>>();
myInstructionNumber = 0;
myScope = scope;
startNode(null);
if (scope instanceof GrClosableBlock) {
buildFlowForClosure((GrClosableBlock) scope);
} else {
scope.accept(this);
}
final InstructionImpl end = startNode(null);
checkPending(end); // collect return edges
return assertValidPsi(myInstructions.toArray(new Instruction[myInstructions.size()]));
}
public static MultiMap<PsiElement, String> checkConflicts(
final MemberInfoBase<? extends GrMember>[] infos,
@NotNull final PsiClass subclass,
@Nullable PsiClass superClass,
@NotNull final PsiPackage targetPackage,
@NotNull PsiDirectory targetDirectory,
final InterfaceContainmentVerifier interfaceContainmentVerifier,
boolean movedMembers2Super) {
final PsiElement targetRepresentativeElement;
final boolean isInterfaceTarget;
if (superClass != null) {
isInterfaceTarget = superClass.isInterface();
targetRepresentativeElement = superClass;
} else {
isInterfaceTarget = false;
targetRepresentativeElement = targetDirectory;
}
final Set<GrMember> movedMembers = ContainerUtil.newHashSet();
final Set<GrMethod> abstractMethods = ContainerUtil.newHashSet();
for (MemberInfoBase<? extends GrMember> info : infos) {
GrMember member = info.getMember();
if (member instanceof GrMethod) {
if (!info.isToAbstract() && !isInterfaceTarget) {
movedMembers.add(member);
} else {
abstractMethods.add((GrMethod) member);
}
} else {
movedMembers.add(member);
}
}
final Set<PsiMethod> allAbstractMethods = new HashSet<PsiMethod>(abstractMethods);
if (superClass != null) {
for (PsiMethod method : subclass.getMethods()) {
if (!movedMembers.contains(method) && !method.hasModifierProperty(PsiModifier.PRIVATE)) {
if (method.findSuperMethods(superClass).length > 0) {
allAbstractMethods.add(method);
}
}
}
}
final MultiMap<PsiElement, String> conflicts = new MultiMap<PsiElement, String>();
GrRefactoringConflictsUtil.analyzeAccessibilityConflicts(
movedMembers,
superClass,
conflicts,
VisibilityUtil.ESCALATE_VISIBILITY,
targetRepresentativeElement,
allAbstractMethods);
if (superClass != null) {
if (movedMembers2Super) {
checkSuperclassMembers(superClass, infos, conflicts);
if (isInterfaceTarget) {
checkInterfaceTarget(infos, conflicts);
}
} else {
final String qualifiedName = superClass.getQualifiedName();
assert qualifiedName != null;
if (superClass.hasModifierProperty(PsiModifier.PACKAGE_LOCAL)) {
if (!Comparing.strEqual(
StringUtil.getPackageName(qualifiedName), targetPackage.getQualifiedName())) {
conflicts.putValue(
superClass,
RefactoringUIUtil.getDescription(superClass, true)
+ " won't be accessible from "
+ RefactoringUIUtil.getDescription(targetPackage, true));
}
}
}
}
// check if moved methods use other members in the classes between Subclass and Superclass
List<PsiElement> checkModuleConflictsList = new ArrayList<PsiElement>();
for (PsiMember member : movedMembers) {
if (member instanceof PsiMethod
|| member instanceof PsiClass && !(member instanceof PsiCompiledElement)) {
GrClassMemberReferenceVisitor visitor =
movedMembers2Super
? new ConflictingUsagesOfSubClassMembers(
member,
movedMembers,
abstractMethods,
subclass,
superClass,
superClass != null ? null : targetPackage,
conflicts,
interfaceContainmentVerifier)
: new ConflictingUsagesOfSuperClassMembers(
member, subclass, targetPackage, movedMembers, conflicts);
((GroovyPsiElement) member).accept(visitor);
}
checkModuleConflictsList.add(member);
}
for (final PsiMethod method : abstractMethods) {
ContainerUtil.addIfNotNull(checkModuleConflictsList, method.getParameterList());
ContainerUtil.addIfNotNull(checkModuleConflictsList, method.getReturnTypeElement());
ContainerUtil.addIfNotNull(checkModuleConflictsList, method.getTypeParameterList());
}
GrRefactoringConflictsUtil.analyzeModuleConflicts(
subclass.getProject(),
checkModuleConflictsList,
new UsageInfo[0],
targetRepresentativeElement,
conflicts);
final String fqName = subclass.getQualifiedName();
final String packageName;
if (fqName != null) {
packageName = StringUtil.getPackageName(fqName);
} else {
final PsiFile psiFile = PsiTreeUtil.getParentOfType(subclass, PsiFile.class);
if (psiFile instanceof PsiClassOwner) {
packageName = ((PsiClassOwner) psiFile).getPackageName();
} else {
packageName = null;
}
}
final boolean toDifferentPackage =
!Comparing.strEqual(targetPackage.getQualifiedName(), packageName);
for (final GrMethod abstractMethod : abstractMethods) {
abstractMethod.accept(
new GrClassMemberReferenceVisitor(subclass) {
@Override
protected void visitClassMemberReferenceElement(
GrMember classMember, GrReferenceElement classMemberReference) {
if (classMember != null && willBeMoved(classMember, movedMembers)) {
boolean isAccessible = false;
if (classMember.hasModifierProperty(PsiModifier.PRIVATE)) {
isAccessible = true;
} else if (classMember.hasModifierProperty(PsiModifier.PACKAGE_LOCAL)
&& toDifferentPackage) {
isAccessible = true;
}
if (isAccessible) {
String message =
RefactoringUIUtil.getDescription(abstractMethod, false)
+ " uses "
+ RefactoringUIUtil.getDescription(classMember, true)
+ " which won't be accessible from the subclass.";
message = CommonRefactoringUtil.capitalize(message);
conflicts.putValue(classMember, message);
}
}
}
});
if (abstractMethod.hasModifierProperty(PsiModifier.PACKAGE_LOCAL) && toDifferentPackage) {
if (!isInterfaceTarget) {
String message =
"Can't make "
+ RefactoringUIUtil.getDescription(abstractMethod, false)
+ " abstract as it won't be accessible from the subclass.";
message = CommonRefactoringUtil.capitalize(message);
conflicts.putValue(abstractMethod, message);
}
}
}
return conflicts;
}
public void moveMembersToBase() throws IncorrectOperationException {
final HashSet<PsiMember> movedMembers = ContainerUtil.newHashSet();
myMembersAfterMove = ContainerUtil.newHashSet();
// build aux sets
for (GrMemberInfo info : myMembersToMove) {
movedMembers.add(info.getMember());
}
// correct private member visibility
for (GrMemberInfo info : myMembersToMove) {
if (info.getMember() instanceof PsiClass && info.getOverrides() != null) continue;
setCorrectVisibility(movedMembers, info);
GroovyChangeContextUtil.encodeContextInfo(info.getMember());
info.getMember().accept(new QualifiedThisSuperSearcher());
fixReferencesToStatic(info.getMember(), movedMembers);
}
final PsiSubstitutor substitutor = upDownSuperClassSubstitutor();
// do actual move
for (GrMemberInfo info : myMembersToMove) {
if (info.getMember() instanceof PsiMethod) {
doMoveMethod(substitutor, info);
} else if (info.getMember() instanceof GrField) {
doMoveField(substitutor, info);
} else if (info.getMember() instanceof PsiClass) {
doMoveClass(substitutor, info);
}
}
ExplicitSuperDeleter explicitSuperDeleter = new ExplicitSuperDeleter();
for (PsiMember member : myMembersAfterMove) {
((GrMember) member).accept(explicitSuperDeleter);
}
explicitSuperDeleter.fixSupers();
final QualifiedThisSuperAdjuster qualifiedThisSuperAdjuster = new QualifiedThisSuperAdjuster();
for (PsiMember member : myMembersAfterMove) {
((GrMember) member).accept(qualifiedThisSuperAdjuster);
}
for (PsiMember member : myMembersAfterMove) {
GroovyChangeContextUtil.decodeContextInfo(member, null, null);
}
final JavaRefactoringListenerManagerImpl listenerManager =
(JavaRefactoringListenerManagerImpl) JavaRefactoringListenerManager.getInstance(myProject);
for (final PsiMember movedMember : myMembersAfterMove) {
((GroovyPsiElement) movedMember)
.accept(
new GroovyRecursiveElementVisitor() {
@Override
public void visitReferenceExpression(GrReferenceExpression referenceExpression) {
if (processRef(referenceExpression)) return;
super.visitReferenceExpression(referenceExpression);
}
@Override
public void visitCodeReferenceElement(GrCodeReferenceElement refElement) {
if (processRef(refElement)) return;
super.visitCodeReferenceElement(refElement);
}
private boolean processRef(
@NotNull GrReferenceElement<? extends GroovyPsiElement> refElement) {
final PsiElement qualifier = refElement.getQualifier();
if (qualifier != null) {
final Boolean preserveQualifier =
qualifier.getCopyableUserData(PRESERVE_QUALIFIER);
if (preserveQualifier != null && !preserveQualifier) {
refElement.setQualifier(null);
return true;
}
}
return false;
}
});
listenerManager.fireMemberMoved(mySourceClass, movedMember);
}
}
private void acceptNullable(@Nullable GroovyPsiElement element) {
if (element != null) {
element.accept(this);
}
}
private void error(String descr) {
PsiFile file = myScope.getContainingFile();
String fileText = file != null ? file.getText() : null;
LogMessageEx.error(LOG, descr, myScope.getText(), "\n------------------\n", fileText);
}
