private String doCompareNamespaces(
@NotNull NamespaceDescriptor nsa, @NotNull NamespaceDescriptor nsb) {
StringBuilder sb = new StringBuilder();
Assert.assertEquals(nsa.getName(), nsb.getName());
sb.append("namespace " + nsa.getName() + "\n\n");
Assert.assertTrue(!nsa.getMemberScope().getAllDescriptors().isEmpty());
Set<String> classifierNames = new HashSet<String>();
Set<String> propertyNames = new HashSet<String>();
Set<String> functionNames = new HashSet<String>();
for (DeclarationDescriptor ad : nsa.getMemberScope().getAllDescriptors()) {
if (ad instanceof ClassifierDescriptor) {
classifierNames.add(ad.getName());
} else if (ad instanceof PropertyDescriptor) {
propertyNames.add(ad.getName());
} else if (ad instanceof FunctionDescriptor) {
functionNames.add(ad.getName());
} else {
throw new AssertionError("unknown member: " + ad);
}
}
for (String name : classifierNames) {
ClassifierDescriptor ca = nsa.getMemberScope().getClassifier(name);
ClassifierDescriptor cb = nsb.getMemberScope().getClassifier(name);
Assert.assertTrue(ca != null);
Assert.assertTrue(cb != null);
compareClassifiers(ca, cb, sb);
}
for (String name : propertyNames) {
Set<VariableDescriptor> pa = nsa.getMemberScope().getProperties(name);
Set<VariableDescriptor> pb = nsb.getMemberScope().getProperties(name);
compareDeclarationSets(pa, pb, sb);
Assert.assertTrue(
nsb.getMemberScope().getFunctions(PropertyCodegen.getterName(name)).isEmpty());
Assert.assertTrue(
nsb.getMemberScope().getFunctions(PropertyCodegen.setterName(name)).isEmpty());
}
for (String name : functionNames) {
Set<FunctionDescriptor> fa = nsa.getMemberScope().getFunctions(name);
Set<FunctionDescriptor> fb = nsb.getMemberScope().getFunctions(name);
compareDeclarationSets(fa, fb, sb);
}
return sb.toString();
}
private JetDecompiledData build() {
myBuilder.append(PsiBundle.message("psi.decompiled.text.header"));
myBuilder.append("\n\n");
String packageName = myClsFile.getPackageName();
if (packageName.length() > 0) {
myBuilder.append("package ").append(packageName).append("\n\n");
}
PsiClass psiClass = myClsFile.getClasses()[0];
if (isKotlinNamespaceClass(psiClass)) {
NamespaceDescriptor nd =
myJavaDescriptorResolver.resolveNamespace(
new FqName(packageName), DescriptorSearchRule.INCLUDE_KOTLIN);
if (nd != null) {
for (DeclarationDescriptor member :
sortDeclarations(nd.getMemberScope().getAllDescriptors())) {
if (member instanceof ClassDescriptor || member instanceof NamespaceDescriptor) {
continue;
}
appendDescriptor(member, "");
myBuilder.append("\n");
}
}
} else {
ClassDescriptor cd =
myJavaDescriptorResolver.resolveClass(psiClass, DescriptorSearchRule.INCLUDE_KOTLIN);
if (cd != null) {
appendDescriptor(cd, "");
}
}
JetFile jetFile =
JetDummyClassFileViewProvider.createJetFile(
myClsFile.getManager(), myClsFile.getVirtualFile(), myBuilder.toString());
for (Map.Entry<PsiElement, TextRange> clsMemberToRange : myClsMembersToRanges.entrySet()) {
PsiElement clsMember = clsMemberToRange.getKey();
assert clsMember instanceof ClsElementImpl;
TextRange range = clsMemberToRange.getValue();
JetDeclaration jetDeclaration =
PsiTreeUtil.findElementOfClassAtRange(
jetFile, range.getStartOffset(), range.getEndOffset(), JetDeclaration.class);
assert jetDeclaration != null;
myClsElementsToJetElements.put((ClsElementImpl) clsMember, jetDeclaration);
}
return new JetDecompiledData(jetFile, myClsElementsToJetElements);
}
private static Collection<ClassDescriptor> getClassOrObjectDescriptorsByFqName(
NamespaceDescriptor packageDescriptor, FqName path, boolean includeObjectDeclarations) {
if (path.isRoot()) {
return Collections.emptyList();
}
Collection<JetScope> scopes = Arrays.asList(packageDescriptor.getMemberScope());
List<Name> names = path.pathSegments();
if (names.size() > 1) {
for (Name subName : path.pathSegments().subList(0, names.size() - 1)) {
Collection<JetScope> tempScopes = Lists.newArrayList();
for (JetScope scope : scopes) {
ClassifierDescriptor classifier = scope.getClassifier(subName);
if (classifier instanceof ClassDescriptorBase) {
ClassDescriptorBase classDescriptor = (ClassDescriptorBase) classifier;
tempScopes.add(classDescriptor.getUnsubstitutedInnerClassesScope());
}
}
scopes = tempScopes;
}
}
Name shortName = path.shortName();
Collection<ClassDescriptor> resultClassifierDescriptors = Lists.newArrayList();
for (JetScope scope : scopes) {
ClassifierDescriptor classifier = scope.getClassifier(shortName);
if (classifier instanceof ClassDescriptor) {
resultClassifierDescriptors.add((ClassDescriptor) classifier);
}
if (includeObjectDeclarations) {
ClassDescriptor objectDescriptor = scope.getObjectDescriptor(shortName);
if (objectDescriptor != null) {
resultClassifierDescriptors.add(objectDescriptor);
}
}
}
return resultClassifierDescriptors;
}
@NotNull
public Collection<FunctionDescriptor> getTopLevelFunctionDescriptorsByName(
@NotNull String name,
@NotNull JetSimpleNameExpression expression,
@NotNull ResolveSession resolveSession,
@NotNull GlobalSearchScope scope) {
// name parameter can differ from expression.getReferenceName() when expression contains
// completion suffix
Name referenceName =
expression.getIdentifier() == null
? JetPsiUtil.getConventionName(expression)
: Name.identifier(name);
if (referenceName == null || referenceName.toString().isEmpty()) {
return Collections.emptyList();
}
BindingContext context = ResolveSessionUtils.resolveToExpression(resolveSession, expression);
JetScope jetScope = context.get(BindingContext.RESOLUTION_SCOPE, expression);
if (jetScope == null) {
return Collections.emptyList();
}
Set<FunctionDescriptor> result = Sets.newHashSet();
Collection<PsiMethod> topLevelFunctionPrototypes =
JetFromJavaDescriptorHelper.getTopLevelFunctionPrototypesByName(
referenceName.getName(), project, scope);
for (PsiMethod method : topLevelFunctionPrototypes) {
FqName functionFQN = JetFromJavaDescriptorHelper.getJetTopLevelDeclarationFQN(method);
if (functionFQN != null) {
JetImportDirective importDirective =
JetPsiFactory.createImportDirective(project, new ImportPath(functionFQN, false));
Collection<? extends DeclarationDescriptor> declarationDescriptors =
new QualifiedExpressionResolver()
.analyseImportReference(
importDirective,
jetScope,
new BindingTraceContext(),
resolveSession.getModuleConfiguration());
for (DeclarationDescriptor declarationDescriptor : declarationDescriptors) {
if (declarationDescriptor instanceof FunctionDescriptor) {
result.add((FunctionDescriptor) declarationDescriptor);
}
}
}
}
Set<FqName> affectedPackages = Sets.newHashSet();
Collection<JetNamedFunction> jetNamedFunctions =
JetShortFunctionNameIndex.getInstance().get(referenceName.getName(), project, scope);
for (JetNamedFunction jetNamedFunction : jetNamedFunctions) {
PsiFile containingFile = jetNamedFunction.getContainingFile();
if (containingFile instanceof JetFile) {
JetFile jetFile = (JetFile) containingFile;
String packageName = jetFile.getPackageName();
if (packageName != null) {
affectedPackages.add(new FqName(packageName));
}
}
}
for (FqName affectedPackage : affectedPackages) {
NamespaceDescriptor packageDescriptor =
resolveSession.getPackageDescriptorByFqName(affectedPackage);
assert packageDescriptor != null
: "There's a function in stub index with invalid package: " + affectedPackage;
JetScope memberScope = packageDescriptor.getMemberScope();
result.addAll(memberScope.getFunctions(referenceName));
}
return result;
}
public static JetScope getExpressionMemberScope(
@NotNull ResolveSession resolveSession, @NotNull JetExpression expression) {
DelegatingBindingTrace trace =
new DelegatingBindingTrace(
resolveSession.getBindingContext(),
"trace to resolve a member scope of expression",
expression);
if (expression instanceof JetReferenceExpression) {
QualifiedExpressionResolver qualifiedExpressionResolver =
resolveSession.getInjector().getQualifiedExpressionResolver();
// In some type declaration
if (expression.getParent() instanceof JetUserType) {
JetUserType qualifier = ((JetUserType) expression.getParent()).getQualifier();
if (qualifier != null) {
Collection<? extends DeclarationDescriptor> descriptors =
qualifiedExpressionResolver.lookupDescriptorsForUserType(
qualifier, getExpressionResolutionScope(resolveSession, expression), trace);
for (DeclarationDescriptor descriptor : descriptors) {
if (descriptor instanceof LazyPackageDescriptor) {
return ((LazyPackageDescriptor) descriptor).getMemberScope();
}
}
}
}
// Inside import
if (PsiTreeUtil.getParentOfType(expression, JetImportDirective.class, false) != null) {
NamespaceDescriptor rootPackage = resolveSession.getPackageDescriptorByFqName(FqName.ROOT);
assert rootPackage != null;
if (expression.getParent() instanceof JetDotQualifiedExpression) {
JetExpression element =
((JetDotQualifiedExpression) expression.getParent()).getReceiverExpression();
String name = ((JetFile) expression.getContainingFile()).getPackageName();
NamespaceDescriptor filePackage =
name != null
? resolveSession.getPackageDescriptorByFqName(new FqName(name))
: rootPackage;
assert filePackage != null : "File package should be already resolved and be found";
JetScope scope = filePackage.getMemberScope();
Collection<? extends DeclarationDescriptor> descriptors;
if (element instanceof JetDotQualifiedExpression) {
descriptors =
qualifiedExpressionResolver.lookupDescriptorsForQualifiedExpression(
(JetDotQualifiedExpression) element,
rootPackage.getMemberScope(),
scope,
trace,
false,
false);
} else {
descriptors =
qualifiedExpressionResolver.lookupDescriptorsForSimpleNameReference(
(JetSimpleNameExpression) element,
rootPackage.getMemberScope(),
scope,
trace,
false,
false,
false);
}
for (DeclarationDescriptor descriptor : descriptors) {
if (descriptor instanceof NamespaceDescriptor) {
return ((NamespaceDescriptor) descriptor).getMemberScope();
}
}
} else {
return rootPackage.getMemberScope();
}
}
// Inside package declaration
JetNamespaceHeader namespaceHeader =
PsiTreeUtil.getParentOfType(expression, JetNamespaceHeader.class, false);
if (namespaceHeader != null) {
NamespaceDescriptor packageDescriptor =
resolveSession.getPackageDescriptorByFqName(
namespaceHeader.getParentFqName((JetReferenceExpression) expression));
if (packageDescriptor != null) {
return packageDescriptor.getMemberScope();
}
}
}
return null;
}