Ejemplo n.º 1
0
  public void checkRedeclarationsInInnerClassNames(@NotNull TopDownAnalysisContext c) {
    for (ClassDescriptorWithResolutionScopes classDescriptor : c.getDeclaredClasses().values()) {
      if (classDescriptor.getKind() == ClassKind.CLASS_OBJECT) {
        // Class objects should be considered during analysing redeclarations in classes
        continue;
      }

      Collection<DeclarationDescriptor> allDescriptors =
          classDescriptor.getScopeForMemberLookup().getOwnDeclaredDescriptors();

      ClassDescriptorWithResolutionScopes classObj = classDescriptor.getClassObjectDescriptor();
      if (classObj != null) {
        Collection<DeclarationDescriptor> classObjDescriptors =
            classObj.getScopeForMemberLookup().getOwnDeclaredDescriptors();
        if (!classObjDescriptors.isEmpty()) {
          allDescriptors = Lists.newArrayList(allDescriptors);
          allDescriptors.addAll(classObjDescriptors);
        }
      }

      Multimap<Name, DeclarationDescriptor> descriptorMap = HashMultimap.create();
      for (DeclarationDescriptor desc : allDescriptors) {
        if (desc instanceof ClassDescriptor || desc instanceof PropertyDescriptor) {
          descriptorMap.put(desc.getName(), desc);
        }
      }

      reportRedeclarations(descriptorMap);
    }
  }
Ejemplo n.º 2
0
  private void checkRedeclarationsInPackages(@NotNull TopDownAnalysisContext c) {
    for (MutablePackageFragmentDescriptor packageFragment :
        Sets.newHashSet(c.getPackageFragments().values())) {
      PackageViewDescriptor packageView =
          packageFragment.getContainingDeclaration().getPackage(packageFragment.getFqName());
      JetScope packageViewScope = packageView.getMemberScope();
      Multimap<Name, DeclarationDescriptor> simpleNameDescriptors =
          packageFragment.getMemberScope().getDeclaredDescriptorsAccessibleBySimpleName();
      for (Name name : simpleNameDescriptors.keySet()) {
        // Keep only properties with no receiver
        Collection<DeclarationDescriptor> descriptors =
            Collections2.filter(
                simpleNameDescriptors.get(name),
                new Predicate<DeclarationDescriptor>() {
                  @Override
                  public boolean apply(@Nullable DeclarationDescriptor descriptor) {
                    if (descriptor instanceof PropertyDescriptor) {
                      PropertyDescriptor propertyDescriptor = (PropertyDescriptor) descriptor;
                      return propertyDescriptor.getReceiverParameter() == null;
                    }
                    return true;
                  }
                });
        ContainerUtil.addIfNotNull(descriptors, packageViewScope.getPackage(name));

        if (descriptors.size() > 1) {
          for (DeclarationDescriptor declarationDescriptor : descriptors) {
            for (PsiElement declaration : getDeclarationsByDescriptor(declarationDescriptor)) {
              assert declaration != null
                  : "Null declaration for descriptor: "
                      + declarationDescriptor
                      + " "
                      + (declarationDescriptor != null
                          ? DescriptorRenderer.FQ_NAMES_IN_TYPES.render(declarationDescriptor)
                          : "");
              trace.report(
                  REDECLARATION.on(declaration, declarationDescriptor.getName().asString()));
            }
          }
        }
      }
    }
  }
Ejemplo n.º 3
0
  private void reportRedeclarations(@NotNull Multimap<Name, DeclarationDescriptor> descriptorMap) {
    Set<Pair<PsiElement, Name>> redeclarations = Sets.newHashSet();
    for (Name name : descriptorMap.keySet()) {
      Collection<DeclarationDescriptor> descriptors = descriptorMap.get(name);
      if (descriptors.size() > 1) {
        // We mustn't compare PropertyDescriptor with PropertyDescriptor because we do this at
        // OverloadResolver
        for (DeclarationDescriptor descriptor : descriptors) {
          if (descriptor instanceof ClassDescriptor) {
            for (DeclarationDescriptor descriptor2 : descriptors) {
              if (descriptor == descriptor2) {
                continue;
              }

              redeclarations.add(
                  Pair.create(
                      BindingContextUtils.classDescriptorToDeclaration(
                          trace.getBindingContext(), (ClassDescriptor) descriptor),
                      descriptor.getName()));
              if (descriptor2 instanceof PropertyDescriptor) {
                redeclarations.add(
                    Pair.create(
                        BindingContextUtils.descriptorToDeclaration(
                            trace.getBindingContext(), descriptor2),
                        descriptor2.getName()));
              }
            }
          }
        }
      }
    }
    for (Pair<PsiElement, Name> redeclaration : redeclarations) {
      trace.report(
          REDECLARATION.on(redeclaration.getFirst(), redeclaration.getSecond().asString()));
    }
  }
Ejemplo n.º 4
0
  public void checkRedeclarationsInPackages(
      @NotNull KotlinCodeAnalyzer resolveSession,
      @NotNull Multimap<FqName, JetElement> topLevelFqNames) {
    for (Map.Entry<FqName, Collection<JetElement>> entry : topLevelFqNames.asMap().entrySet()) {
      FqName fqName = entry.getKey();
      Collection<JetElement> declarationsOrPackageDirectives = entry.getValue();

      if (fqName.isRoot()) continue;

      Set<DeclarationDescriptor> descriptors =
          getTopLevelDescriptorsByFqName(resolveSession, fqName);

      if (descriptors.size() > 1) {
        for (JetElement declarationOrPackageDirective : declarationsOrPackageDirectives) {
          PsiElement reportAt =
              declarationOrPackageDirective instanceof JetNamedDeclaration
                  ? declarationOrPackageDirective
                  : ((JetPackageDirective) declarationOrPackageDirective).getNameIdentifier();
          trace.report(Errors.REDECLARATION.on(reportAt, fqName.shortName().asString()));
        }
      }
    }
  }