Beispiel #1
0
  @NotNull
  public List<String> createConversions(@NotNull PsiCallExpression expression) {
    PsiExpressionList argumentList = expression.getArgumentList();
    PsiExpression[] arguments =
        argumentList != null ? argumentList.getExpressions() : new PsiExpression[] {};
    List<String> conversions = new LinkedList<String>();
    //noinspection UnusedDeclaration
    for (PsiExpression a : arguments) {
      conversions.add("");
    }

    PsiMethod resolve = expression.resolveMethod();
    if (resolve != null) {
      List<PsiType> expectedTypes = new LinkedList<PsiType>();
      List<PsiType> actualTypes = new LinkedList<PsiType>();

      for (PsiParameter p : resolve.getParameterList().getParameters())
        expectedTypes.add(p.getType());

      for (PsiExpression e : arguments) actualTypes.add(e.getType());

      if (conversions.size() == actualTypes.size() && actualTypes.size() == expectedTypes.size()) {
        for (int i = 0; i < actualTypes.size(); i++)
          conversions.set(i, createConversionForExpression(arguments[i], expectedTypes.get(i)));
      }
    }
    return conversions;
  }
  private static List<FunctionDescriptor> getSuperFunctionsForMethod(
      @NotNull PsiMethodWrapper method,
      @NotNull BindingTrace trace,
      @NotNull ClassDescriptor containingClass) {
    List<FunctionDescriptor> superFunctions = Lists.newArrayList();

    Map<ClassDescriptor, JetType> superclassToSupertype =
        getSuperclassToSupertypeMap(containingClass);

    Multimap<FqName, Pair<FunctionDescriptor, PsiMethod>> superclassToFunctions =
        getSuperclassToFunctionsMultimap(method, trace.getBindingContext(), containingClass);

    for (HierarchicalMethodSignature superSignature :
        method.getPsiMethod().getHierarchicalMethodSignature().getSuperSignatures()) {
      PsiMethod superMethod = superSignature.getMethod();

      PsiClass psiClass = superMethod.getContainingClass();
      assert psiClass != null;
      String classFqNameString = psiClass.getQualifiedName();
      assert classFqNameString != null;
      FqName classFqName = new FqName(classFqNameString);

      if (!JavaToKotlinClassMap.getInstance().mapPlatformClass(classFqName).isEmpty()) {
        for (FunctionDescriptor superFun :
            JavaToKotlinMethodMap.INSTANCE.getFunctions(superMethod, containingClass)) {
          superFunctions.add(substituteSuperFunction(superclassToSupertype, superFun));
        }
        continue;
      }

      DeclarationDescriptor superFun =
          superMethod instanceof JetClsMethod
              ? trace.get(
                  BindingContext.DECLARATION_TO_DESCRIPTOR,
                  ((JetClsMethod) superMethod).getOrigin())
              : findSuperFunction(superclassToFunctions.get(classFqName), superMethod);
      if (superFun == null) {
        reportCantFindSuperFunction(method);
        continue;
      }

      assert superFun instanceof FunctionDescriptor : superFun.getClass().getName();

      superFunctions.add(
          substituteSuperFunction(superclassToSupertype, (FunctionDescriptor) superFun));
    }

    // sorting for diagnostic stability
    Collections.sort(
        superFunctions,
        new Comparator<FunctionDescriptor>() {
          @Override
          public int compare(FunctionDescriptor fun1, FunctionDescriptor fun2) {
            FqNameUnsafe fqName1 = getFQName(fun1.getContainingDeclaration());
            FqNameUnsafe fqName2 = getFQName(fun2.getContainingDeclaration());
            return fqName1.getFqName().compareTo(fqName2.getFqName());
          }
        });
    return superFunctions;
  }
  @NotNull
  public PsiReference[] getReferences() {
    ProgressManager.checkCanceled();
    final ASTNode startTagName = XmlChildRole.START_TAG_NAME_FINDER.findChild(this);
    if (startTagName == null) return PsiReference.EMPTY_ARRAY;
    final ASTNode endTagName = XmlChildRole.CLOSING_TAG_NAME_FINDER.findChild(this);
    List<PsiReference> refs = new ArrayList<PsiReference>();
    String prefix = getNamespacePrefix();

    TagNameReference startTagRef =
        TagNameReference.createTagNameReference(this, startTagName, true);
    refs.add(startTagRef);
    if (prefix.length() > 0) {
      refs.add(createPrefixReference(startTagName, prefix, startTagRef));
    }
    if (endTagName != null) {
      TagNameReference endTagRef = TagNameReference.createTagNameReference(this, endTagName, false);
      refs.add(endTagRef);
      prefix = XmlUtil.findPrefixByQualifiedName(endTagName.getText());
      if (StringUtil.isNotEmpty(prefix)) {
        refs.add(createPrefixReference(endTagName, prefix, endTagRef));
      }
    }

    // ArrayList.addAll() makes a clone of the collection
    //noinspection ManualArrayToCollectionCopy
    for (PsiReference ref :
        ReferenceProvidersRegistry.getReferencesFromProviders(this, XmlTag.class)) {
      refs.add(ref);
    }

    return ContainerUtil.toArray(refs, new PsiReference[refs.size()]);
  }
  @Override
  public UsageView showUsages(
      UsageInfo[] usages,
      UsageViewPresentation presentation,
      UsageViewManager manager,
      PsiElement[] elements) {
    final List<PsiElement> overridingMethods = new ArrayList<>();
    final List<UsageInfo> others = new ArrayList<>();
    for (UsageInfo usage : usages) {
      if (usage instanceof SafeDeleteOverridingMethodUsageInfo) {
        overridingMethods.add(((SafeDeleteOverridingMethodUsageInfo) usage).getOverridingMethod());
      } else {
        others.add(usage);
      }
    }

    UsageTarget[] targets = new UsageTarget[elements.length + overridingMethods.size()];
    for (int i = 0; i < targets.length; i++) {
      if (i < elements.length) {
        targets[i] = new PsiElement2UsageTargetAdapter(elements[i]);
      } else {
        targets[i] = new PsiElement2UsageTargetAdapter(overridingMethods.get(i - elements.length));
      }
    }

    return manager.showUsages(
        targets,
        UsageInfoToUsageConverter.convert(elements, others.toArray(new UsageInfo[others.size()])),
        presentation);
  }
  @Nullable
  private LocalQuickFix[] createNPEFixes(
      PsiExpression qualifier, PsiExpression expression, boolean onTheFly) {
    if (qualifier == null || expression == null) return null;
    if (qualifier instanceof PsiMethodCallExpression) return null;
    if (qualifier instanceof PsiLiteralExpression
        && ((PsiLiteralExpression) qualifier).getValue() == null) return null;

    try {
      final List<LocalQuickFix> fixes = new SmartList<LocalQuickFix>();

      if (PsiUtil.getLanguageLevel(qualifier).isAtLeast(LanguageLevel.JDK_1_4)) {
        final Project project = qualifier.getProject();
        final PsiElementFactory elementFactory =
            JavaPsiFacade.getInstance(project).getElementFactory();
        final PsiBinaryExpression binary =
            (PsiBinaryExpression) elementFactory.createExpressionFromText("a != null", null);
        binary.getLOperand().replace(qualifier);
        fixes.add(new AddAssertStatementFix(binary));
      }

      addSurroundWithIfFix(qualifier, fixes, onTheFly);

      if (ReplaceWithTernaryOperatorFix.isAvailable(qualifier, expression)) {
        fixes.add(new ReplaceWithTernaryOperatorFix(qualifier));
      }
      return fixes.toArray(new LocalQuickFix[fixes.size()]);
    } catch (IncorrectOperationException e) {
      LOG.error(e);
      return null;
    }
  }
  @NotNull
  public UsageInfo[] findUsages() {
    myRenamers.clear();
    ArrayList<UsageInfo> result = new ArrayList<UsageInfo>();

    List<PsiElement> elements = new ArrayList<PsiElement>(myAllRenames.keySet());
    //noinspection ForLoopReplaceableByForEach
    for (int i = 0; i < elements.size(); i++) {
      PsiElement element = elements.get(i);
      final String newName = myAllRenames.get(element);
      final UsageInfo[] usages =
          RenameUtil.findUsages(
              element, newName, mySearchInComments, mySearchTextOccurrences, myAllRenames);
      final List<UsageInfo> usagesList = Arrays.asList(usages);
      result.addAll(usagesList);

      for (AutomaticRenamerFactory factory : myRenamerFactories) {
        if (factory.isApplicable(element)) {
          myRenamers.add(factory.createRenamer(element, newName, usagesList));
        }
      }

      for (AutomaticRenamerFactory factory :
          Extensions.getExtensions(AutomaticRenamerFactory.EP_NAME)) {
        if (factory.getOptionName() == null && factory.isApplicable(element)) {
          myRenamers.add(factory.createRenamer(element, newName, usagesList));
        }
      }
    }
    UsageInfo[] usageInfos = result.toArray(new UsageInfo[result.size()]);
    usageInfos = UsageViewUtil.removeDuplicatedUsages(usageInfos);
    return usageInfos;
  }
  private void findUsagesForMethod(PsiMethod method, List<FixableUsageInfo> usages) {
    final PsiManager psiManager = method.getManager();
    final Project project = psiManager.getProject();
    final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
    final Iterable<PsiReference> calls = ReferencesSearch.search(method, scope);
    for (PsiReference reference : calls) {
      final PsiElement referenceElement = reference.getElement();
      final PsiElement parent = referenceElement.getParent();
      if (parent instanceof PsiMethodCallExpression) {
        final PsiMethodCallExpression call = (PsiMethodCallExpression) parent;
        if (isInMovedElement(call)) {
          continue;
        }
        final PsiReferenceExpression methodExpression = call.getMethodExpression();
        final PsiExpression qualifier = methodExpression.getQualifierExpression();
        if (qualifier == null || qualifier instanceof PsiThisExpression) {
          usages.add(new ReplaceThisCallWithDelegateCall(call, delegateFieldName));
        }
        delegationRequired = true;
      }
    }

    if (!delegationRequired && MethodInheritanceUtils.hasSiblingMethods(method)) {
      delegationRequired = true;
    }

    if (delegationRequired) {
      usages.add(new MakeMethodDelegate(method, delegateFieldName));
    } else {
      usages.add(new RemoveMethod(method));
    }
  }
  private void findUsagesForStaticMethod(PsiMethod method, List<FixableUsageInfo> usages) {
    final PsiManager psiManager = method.getManager();
    final Project project = psiManager.getProject();
    final GlobalSearchScope scope = GlobalSearchScope.allScope(project);
    final Iterable<PsiReference> calls = ReferencesSearch.search(method, scope);
    final String fullyQualifiedName = getQualifiedName();
    for (PsiReference reference : calls) {
      final PsiElement referenceElement = reference.getElement();

      final PsiElement parent = referenceElement.getParent();
      if (parent instanceof PsiMethodCallExpression) {
        final PsiMethodCallExpression call = (PsiMethodCallExpression) parent;
        if (!isInMovedElement(call)) {
          usages.add(new RetargetStaticMethodCall(call, fullyQualifiedName));
        }
      } else if (parent instanceof PsiImportStaticStatement) {
        final PsiJavaCodeReferenceElement importReference =
            ((PsiImportStaticStatement) parent).getImportReference();
        if (importReference != null) {
          final PsiElement qualifier = importReference.getQualifier();
          if (qualifier instanceof PsiJavaCodeReferenceElement) {
            usages.add(
                new ReplaceClassReference(
                    (PsiJavaCodeReferenceElement) qualifier, fullyQualifiedName));
          }
        }
      }
    }
    usages.add(new RemoveMethod(method));
  }
  private static Condition<PsiElement> findFieldUsages(
      final PsiField psiField,
      final List<UsageInfo> usages,
      final PsiElement[] allElementsToDelete) {
    final Condition<PsiElement> isInsideDeleted = getUsageInsideDeletedFilter(allElementsToDelete);
    ReferencesSearch.search(psiField)
        .forEach(
            reference -> {
              if (!isInsideDeleted.value(reference.getElement())) {
                final PsiElement element = reference.getElement();
                final PsiElement parent = element.getParent();
                if (parent instanceof PsiAssignmentExpression
                    && element == ((PsiAssignmentExpression) parent).getLExpression()) {
                  usages.add(
                      new SafeDeleteFieldWriteReference(
                          (PsiAssignmentExpression) parent, psiField));
                } else {
                  TextRange range = reference.getRangeInElement();
                  usages.add(
                      new SafeDeleteReferenceJavaDeleteUsageInfo(
                          reference.getElement(),
                          psiField,
                          range.getStartOffset(),
                          range.getEndOffset(),
                          false,
                          PsiTreeUtil.getParentOfType(element, PsiImportStaticStatement.class)
                              != null));
                }
              }

              return true;
            });

    return isInsideDeleted;
  }
Beispiel #10
0
  private static String[] getSuggestionsByValue(final String stringValue) {
    List<String> result = new ArrayList<String>();
    StringBuffer currentWord = new StringBuffer();

    boolean prevIsUpperCase = false;

    for (int i = 0; i < stringValue.length(); i++) {
      final char c = stringValue.charAt(i);
      if (Character.isUpperCase(c)) {
        if (currentWord.length() > 0 && !prevIsUpperCase) {
          result.add(currentWord.toString());
          currentWord = new StringBuffer();
        }
        currentWord.append(c);
      } else if (Character.isLowerCase(c)) {
        currentWord.append(Character.toUpperCase(c));
      } else if (Character.isJavaIdentifierPart(c) && c != '_') {
        if (Character.isJavaIdentifierStart(c) || currentWord.length() > 0 || !result.isEmpty()) {
          currentWord.append(c);
        }
      } else {
        if (currentWord.length() > 0) {
          result.add(currentWord.toString());
          currentWord = new StringBuffer();
        }
      }

      prevIsUpperCase = Character.isUpperCase(c);
    }

    if (currentWord.length() > 0) {
      result.add(currentWord.toString());
    }
    return ArrayUtil.toStringArray(result);
  }
  public static boolean checkSideEffects(
      PsiElement element, PsiVariable variable, List<PsiElement> sideEffects) {
    if (sideEffects == null || element == null) return false;
    if (element instanceof PsiMethodCallExpression) {
      final PsiMethod psiMethod = ((PsiMethodCallExpression) element).resolveMethod();
      if (psiMethod == null
          || !PropertyUtil.isSimpleGetter(psiMethod) && !PropertyUtil.isSimpleSetter(psiMethod)) {
        sideEffects.add(element);
        return true;
      }
    }
    if (element instanceof PsiNewExpression) {
      PsiNewExpression newExpression = (PsiNewExpression) element;
      if (newExpression.getArrayDimensions().length == 0
          && newExpression.getArrayInitializer() == null
          && !isSideEffectFreeConstructor(newExpression)) {
        sideEffects.add(element);
        return true;
      }
    }
    if (element instanceof PsiAssignmentExpression
        && !(((PsiAssignmentExpression) element).getLExpression() instanceof PsiReferenceExpression
            && ((PsiReferenceExpression) ((PsiAssignmentExpression) element).getLExpression())
                    .resolve()
                == variable)) {
      sideEffects.add(element);
      return true;
    }
    PsiElement[] children = element.getChildren();

    for (PsiElement child : children) {
      checkSideEffects(child, variable, sideEffects);
    }
    return !sideEffects.isEmpty();
  }
  public Collection<PsiElement> getAdditionalElementsToDelete(
      @NotNull final PsiElement element,
      @NotNull final Collection<PsiElement> allElementsToDelete,
      final boolean askUser) {
    if (element instanceof PsiField) {
      PsiField field = (PsiField) element;
      final Project project = element.getProject();
      String propertyName =
          JavaCodeStyleManager.getInstance(project)
              .variableNameToPropertyName(field.getName(), VariableKind.FIELD);

      PsiClass aClass = field.getContainingClass();
      if (aClass != null) {
        boolean isStatic = field.hasModifierProperty(PsiModifier.STATIC);
        PsiMethod[] getters =
            GetterSetterPrototypeProvider.findGetters(aClass, propertyName, isStatic);
        if (getters != null) {
          final List<PsiMethod> validGetters = new ArrayList<>(1);
          for (PsiMethod getter : getters) {
            if (!allElementsToDelete.contains(getter) && (getter != null && getter.isPhysical())) {
              validGetters.add(getter);
            }
          }
          getters =
              validGetters.isEmpty()
                  ? null
                  : validGetters.toArray(new PsiMethod[validGetters.size()]);
        }

        PsiMethod setter = PropertyUtil.findPropertySetter(aClass, propertyName, isStatic, false);
        if (allElementsToDelete.contains(setter) || setter != null && !setter.isPhysical())
          setter = null;
        if (askUser && (getters != null || setter != null)) {
          final String message =
              RefactoringMessageUtil.getGetterSetterMessage(
                  field.getName(),
                  RefactoringBundle.message("delete.title"),
                  getters != null ? getters[0] : null,
                  setter);
          if (!ApplicationManager.getApplication().isUnitTestMode()
              && Messages.showYesNoDialog(
                      project,
                      message,
                      RefactoringBundle.message("safe.delete.title"),
                      Messages.getQuestionIcon())
                  != Messages.YES) {
            getters = null;
            setter = null;
          }
        }
        List<PsiElement> elements = new ArrayList<>();
        if (setter != null) elements.add(setter);
        if (getters != null) Collections.addAll(elements, getters);
        return elements;
      }
    }
    return null;
  }
  private static void findClassUsages(
      final PsiClass psiClass,
      final PsiElement[] allElementsToDelete,
      final List<UsageInfo> usages) {
    final boolean justPrivates = containsOnlyPrivates(psiClass);
    final String qualifiedName = psiClass.getQualifiedName();
    final boolean annotationType = psiClass.isAnnotationType() && qualifiedName != null;

    ReferencesSearch.search(psiClass)
        .forEach(
            reference -> {
              final PsiElement element = reference.getElement();

              if (!isInside(element, allElementsToDelete)) {
                PsiElement parent = element.getParent();
                if (parent instanceof PsiReferenceList) {
                  final PsiElement pparent = parent.getParent();
                  if (pparent instanceof PsiClass
                      && element instanceof PsiJavaCodeReferenceElement) {
                    final PsiClass inheritor = (PsiClass) pparent;
                    // If psiClass contains only private members, then it is safe to remove it and
                    // change inheritor's extends/implements accordingly
                    if (justPrivates) {
                      if (parent.equals(inheritor.getExtendsList())
                          || parent.equals(inheritor.getImplementsList())) {
                        usages.add(
                            new SafeDeleteExtendsClassUsageInfo(
                                (PsiJavaCodeReferenceElement) element, psiClass, inheritor));
                        return true;
                      }
                    }
                  }
                }
                LOG.assertTrue(element.getTextRange() != null);
                final PsiFile containingFile = psiClass.getContainingFile();
                boolean sameFileWithSingleClass = false;
                if (containingFile instanceof PsiClassOwner) {
                  final PsiClass[] classes = ((PsiClassOwner) containingFile).getClasses();
                  sameFileWithSingleClass =
                      classes.length == 1
                          && classes[0] == psiClass
                          && element.getContainingFile() == containingFile;
                }

                final boolean safeDelete = sameFileWithSingleClass || isInNonStaticImport(element);
                if (annotationType && parent instanceof PsiAnnotation) {
                  usages.add(
                      new SafeDeleteAnnotation((PsiAnnotation) parent, psiClass, safeDelete));
                } else {
                  usages.add(
                      new SafeDeleteReferenceJavaDeleteUsageInfo(element, psiClass, safeDelete));
                }
              }
              return true;
            });
  }
  @NotNull
  private static Couple<Collection<TextRange>> getUsages(
      @NotNull PsiElement target,
      PsiElement psiElement,
      boolean withDeclarations,
      boolean detectAccess) {
    List<TextRange> readRanges = new ArrayList<TextRange>();
    List<TextRange> writeRanges = new ArrayList<TextRange>();
    final ReadWriteAccessDetector detector =
        detectAccess ? ReadWriteAccessDetector.findDetector(target) : null;
    final FindUsagesManager findUsagesManager =
        ((FindManagerImpl) FindManager.getInstance(target.getProject())).getFindUsagesManager();
    final FindUsagesHandler findUsagesHandler =
        findUsagesManager.getFindUsagesHandler(target, true);
    final LocalSearchScope scope = new LocalSearchScope(psiElement);
    Collection<PsiReference> refs =
        findUsagesHandler != null
            ? findUsagesHandler.findReferencesToHighlight(target, scope)
            : ReferencesSearch.search(target, scope).findAll();
    for (PsiReference psiReference : refs) {
      if (psiReference == null) {
        LOG.error(
            "Null reference returned, findUsagesHandler="
                + findUsagesHandler
                + "; target="
                + target
                + " of "
                + target.getClass());
        continue;
      }
      List<TextRange> destination;
      if (detector == null
          || detector.getReferenceAccess(target, psiReference)
              == ReadWriteAccessDetector.Access.Read) {
        destination = readRanges;
      } else {
        destination = writeRanges;
      }
      HighlightUsagesHandler.collectRangesToHighlight(psiReference, destination);
    }

    if (withDeclarations) {
      final TextRange declRange =
          HighlightUsagesHandler.getNameIdentifierRange(psiElement.getContainingFile(), target);
      if (declRange != null) {
        if (detector != null && detector.isDeclarationWriteAccess(target)) {
          writeRanges.add(declRange);
        } else {
          readRanges.add(declRange);
        }
      }
    }

    return Couple.<Collection<TextRange>>of(readRanges, writeRanges);
  }
Beispiel #15
0
  /** Return class names form jet sources in given scope which should be visible as Java classes. */
  @NotNull
  @Override
  public PsiClass[] getClassesByName(
      @NotNull @NonNls String name, @NotNull GlobalSearchScope scope) {
    List<PsiClass> result = new ArrayList<PsiClass>();

    IDELightClassGenerationSupport lightClassGenerationSupport =
        IDELightClassGenerationSupport.getInstanceForIDE(project);
    MultiMap<String, FqName> packageClasses =
        lightClassGenerationSupport.getAllPackageClasses(scope);

    // .namespace classes can not be indexed, since they have no explicit declarations
    Collection<FqName> fqNames = packageClasses.get(name);
    if (!fqNames.isEmpty()) {
      for (FqName fqName : fqNames) {
        PsiClass psiClass =
            JavaElementFinder.getInstance(project).findClass(fqName.getFqName(), scope);
        if (psiClass != null) {
          result.add(psiClass);
        }
      }
    }

    // Quick check for classes from getAllClassNames()
    Collection<JetClassOrObject> classOrObjects =
        JetShortClassNameIndex.getInstance().get(name, project, scope);
    if (classOrObjects.isEmpty()) {
      return result.toArray(new PsiClass[result.size()]);
    }

    for (JetClassOrObject classOrObject : classOrObjects) {
      FqName fqName = JetPsiUtil.getFQName(classOrObject);
      if (fqName != null) {
        assert fqName.shortName().getName().equals(name)
            : "A declaration obtained from index has non-matching name:\n"
                + "in index: "
                + name
                + "\n"
                + "declared: "
                + fqName.shortName()
                + "("
                + fqName
                + ")";
        PsiClass psiClass =
            JavaElementFinder.getInstance(project).findClass(fqName.getFqName(), scope);
        if (psiClass != null) {
          result.add(psiClass);
        }
      }
    }

    return result.toArray(new PsiClass[result.size()]);
  }
 @NotNull
 public QualifiedResolveResult followAssignmentsChain(PyResolveContext resolveContext) {
   PyReferenceExpression seeker = this;
   QualifiedResolveResult ret = null;
   List<PyExpression> qualifiers = new ArrayList<PyExpression>();
   PyExpression qualifier = seeker.getQualifier();
   if (qualifier != null) {
     qualifiers.add(qualifier);
   }
   Set<PsiElement> visited = new HashSet<PsiElement>();
   visited.add(this);
   SEARCH:
   while (ret == null) {
     ResolveResult[] targets = seeker.getReference(resolveContext).multiResolve(false);
     for (ResolveResult target : targets) {
       PsiElement elt = target.getElement();
       if (elt instanceof PyTargetExpression) {
         PsiElement assigned_from = null;
         final PyTargetExpression expr = (PyTargetExpression) elt;
         final TypeEvalContext context = resolveContext.getTypeEvalContext();
         if (context.maySwitchToAST(expr) || expr.getStub() == null) {
           assigned_from = expr.findAssignedValue();
         }
         // TODO: Maybe findAssignedValueByStub() should become a part of the PyTargetExpression
         // interface
         else if (elt instanceof PyTargetExpressionImpl) {
           assigned_from = ((PyTargetExpressionImpl) elt).findAssignedValueByStub(context);
         }
         if (assigned_from instanceof PyReferenceExpression) {
           if (visited.contains(assigned_from)) {
             break;
           }
           visited.add(assigned_from);
           seeker = (PyReferenceExpression) assigned_from;
           if (seeker.getQualifier() != null) {
             qualifiers.add(seeker.getQualifier());
           }
           continue SEARCH;
         } else if (assigned_from != null)
           ret = new QualifiedResolveResultImpl(assigned_from, qualifiers, false);
       } else if (ret == null && elt instanceof PyElement && target.isValidResult()) {
         // remember this result, but a further reference may be the next resolve result
         ret =
             new QualifiedResolveResultImpl(
                 elt, qualifiers, target instanceof ImplicitResolveResult);
       }
     }
     // all resolve results checked, reassignment not detected, nothing more to do
     break;
   }
   if (ret == null) ret = EMPTY_RESULT;
   return ret;
 }
  @Nullable
  private static Condition<PsiElement> findMethodUsages(
      final PsiMethod psiMethod, final PsiElement[] allElementsToDelete, List<UsageInfo> usages) {
    final Collection<PsiReference> references = ReferencesSearch.search(psiMethod).findAll();

    if (psiMethod.isConstructor()) {
      return findConstructorUsages(psiMethod, references, usages, allElementsToDelete);
    }
    final PsiMethod[] overridingMethods =
        removeDeletedMethods(
            OverridingMethodsSearch.search(psiMethod).toArray(PsiMethod.EMPTY_ARRAY),
            allElementsToDelete);

    findFunctionalExpressions(usages, ArrayUtil.prepend(psiMethod, overridingMethods));

    final HashMap<PsiMethod, Collection<PsiReference>> methodToReferences = new HashMap<>();
    for (PsiMethod overridingMethod : overridingMethods) {
      final Collection<PsiReference> overridingReferences =
          ReferencesSearch.search(overridingMethod).findAll();
      methodToReferences.put(overridingMethod, overridingReferences);
    }
    final Set<PsiMethod> validOverriding =
        validateOverridingMethods(
            psiMethod,
            references,
            Arrays.asList(overridingMethods),
            methodToReferences,
            usages,
            allElementsToDelete);
    for (PsiReference reference : references) {
      final PsiElement element = reference.getElement();
      if (!isInside(element, allElementsToDelete) && !isInside(element, validOverriding)) {
        usages.add(
            new SafeDeleteReferenceJavaDeleteUsageInfo(
                element,
                psiMethod,
                PsiTreeUtil.getParentOfType(element, PsiImportStaticStatement.class) != null));
      }
    }

    final List<PsiMethod> calleesSafeToDelete =
        SafeDeleteJavaCalleeChooser.computeCalleesSafeToDelete(psiMethod);
    if (calleesSafeToDelete != null) {
      for (PsiMethod method : calleesSafeToDelete) {
        usages.add(new SafeDeleteMethodCalleeUsageInfo(method, psiMethod));
      }
    }

    return usage -> {
      if (usage instanceof PsiFile) return false;
      return isInside(usage, allElementsToDelete) || isInside(usage, validOverriding);
    };
  }
 @NotNull
 public XmlTag[] findSubTags(final String name, final String namespace) {
   final XmlTag[] subTags = getSubTags();
   final List<XmlTag> result = new ArrayList<XmlTag>();
   for (final XmlTag subTag : subTags) {
     if (namespace == null) {
       if (name.equals(subTag.getName())) result.add(subTag);
     } else if (name.equals(subTag.getLocalName()) && namespace.equals(subTag.getNamespace())) {
       result.add(subTag);
     }
   }
   return ContainerUtil.toArray(result, new XmlTag[result.size()]);
 }
  @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()]);
  }
  private static void processCallerMethod(
      JavaChangeInfo changeInfo,
      PsiMethod caller,
      PsiMethod baseMethod,
      boolean toInsertParams,
      boolean toInsertThrows)
      throws IncorrectOperationException {
    LOG.assertTrue(toInsertParams || toInsertThrows);
    if (toInsertParams) {
      List<PsiParameter> newParameters = new ArrayList<PsiParameter>();
      ContainerUtil.addAll(newParameters, caller.getParameterList().getParameters());
      final JavaParameterInfo[] primaryNewParms = changeInfo.getNewParameters();
      PsiSubstitutor substitutor =
          baseMethod == null
              ? PsiSubstitutor.EMPTY
              : ChangeSignatureProcessor.calculateSubstitutor(caller, baseMethod);
      for (JavaParameterInfo info : primaryNewParms) {
        if (info.getOldIndex() < 0)
          newParameters.add(createNewParameter(changeInfo, info, substitutor));
      }
      PsiParameter[] arrayed = newParameters.toArray(new PsiParameter[newParameters.size()]);
      boolean[] toRemoveParm = new boolean[arrayed.length];
      Arrays.fill(toRemoveParm, false);
      resolveParameterVsFieldsConflicts(arrayed, caller, caller.getParameterList(), toRemoveParm);
    }

    if (toInsertThrows) {
      List<PsiJavaCodeReferenceElement> newThrowns = new ArrayList<PsiJavaCodeReferenceElement>();
      final PsiReferenceList throwsList = caller.getThrowsList();
      ContainerUtil.addAll(newThrowns, throwsList.getReferenceElements());
      final ThrownExceptionInfo[] primaryNewExns = changeInfo.getNewExceptions();
      for (ThrownExceptionInfo thrownExceptionInfo : primaryNewExns) {
        if (thrownExceptionInfo.getOldIndex() < 0) {
          final PsiClassType type =
              (PsiClassType) thrownExceptionInfo.createType(caller, caller.getManager());
          final PsiJavaCodeReferenceElement ref =
              JavaPsiFacade.getInstance(caller.getProject())
                  .getElementFactory()
                  .createReferenceElementByType(type);
          newThrowns.add(ref);
        }
      }
      PsiJavaCodeReferenceElement[] arrayed =
          newThrowns.toArray(new PsiJavaCodeReferenceElement[newThrowns.size()]);
      boolean[] toRemoveParm = new boolean[arrayed.length];
      Arrays.fill(toRemoveParm, false);
      ChangeSignatureUtil.synchronizeList(
          throwsList, Arrays.asList(arrayed), ThrowsList.INSTANCE, toRemoveParm);
    }
  }
  protected void reparse() {
    String str = myPathStringNonTrimmed;

    final List<FileReference> referencesList = new ArrayList<FileReference>();

    String separatorString = getSeparatorString(); // separator's length can be more then 1 char
    int sepLen = separatorString.length();
    int currentSlash = -sepLen;

    // skip white space
    while (currentSlash + sepLen < str.length()
        && Character.isWhitespace(str.charAt(currentSlash + sepLen))) {
      currentSlash++;
    }

    if (currentSlash + sepLen + sepLen < str.length()
        && str.substring(currentSlash + sepLen, currentSlash + sepLen + sepLen)
            .equals(separatorString)) {
      currentSlash += sepLen;
    }
    int index = 0;

    if (str.equals(separatorString)) {
      final FileReference fileReference =
          createFileReference(
              new TextRange(myStartInElement, myStartInElement + sepLen), index++, separatorString);
      referencesList.add(fileReference);
    }

    while (true) {
      final int nextSlash = str.indexOf(separatorString, currentSlash + sepLen);
      final String subreferenceText =
          nextSlash > 0
              ? str.substring(currentSlash + sepLen, nextSlash)
              : str.substring(currentSlash + sepLen);
      final FileReference ref =
          createFileReference(
              new TextRange(
                  myStartInElement + currentSlash + sepLen,
                  myStartInElement + (nextSlash > 0 ? nextSlash : str.length())),
              index++,
              subreferenceText);
      referencesList.add(ref);
      if ((currentSlash = nextSlash) < 0) {
        break;
      }
    }

    myReferences = referencesList.toArray(new FileReference[referencesList.size()]);
  }
    private void reportMissingOnClickProblem(
        OnClickConverter.MyReference reference,
        PsiClass activity,
        String methodName,
        boolean incorrectSignature) {
      String activityName = activity.getName();

      if (activityName == null) {
        activityName = "";
      }
      final String message =
          incorrectSignature
              ? AndroidBundle.message(
                  "android.inspections.on.click.missing.incorrect.signature",
                  methodName,
                  activityName)
              : AndroidBundle.message(
                  "android.inspections.on.click.missing.problem", methodName, activityName);

      final LocalQuickFix[] fixes =
          StringUtil.isJavaIdentifier(methodName)
              ? new LocalQuickFix[] {new MyQuickFix(methodName, reference.getConverter(), activity)}
              : LocalQuickFix.EMPTY_ARRAY;

      myResult.add(
          myInspectionManager.createProblemDescriptor(
              reference.getElement(),
              reference.getRangeInElement(),
              message,
              ProblemHighlightType.GENERIC_ERROR_OR_WARNING,
              myOnTheFly,
              fixes));
    }
Beispiel #23
0
    @NotNull
    @Override
    public GroovyResolveResult[] getCandidates() {
      if (!hasCandidates()) return GroovyResolveResult.EMPTY_ARRAY;
      final GroovyResolveResult[] results =
          ResolveUtil.filterSameSignatureCandidates(getCandidatesInternal());
      List<GroovyResolveResult> list = new ArrayList<GroovyResolveResult>(results.length);
      myPropertyNames.removeAll(myPreferredFieldNames);

      Set<String> usedFields = ContainerUtil.newHashSet();
      for (GroovyResolveResult result : results) {
        final PsiElement element = result.getElement();
        if (element instanceof PsiField) {
          final String name = ((PsiField) element).getName();
          if (myPropertyNames.contains(name)
              || myLocalVars.contains(name)
              || usedFields.contains(name)) {
            continue;
          } else {
            usedFields.add(name);
          }
        }

        list.add(result);
      }
      return list.toArray(new GroovyResolveResult[list.size()]);
    }
Beispiel #24
0
    @Override
    public void consume(Object o) {
      if (!(o instanceof GroovyResolveResult)) {
        LOG.error(o);
        return;
      }

      GroovyResolveResult result = (GroovyResolveResult) o;
      if (!result.isStaticsOK()) {
        if (myInapplicable == null) myInapplicable = ContainerUtil.newArrayList();
        myInapplicable.add(result);
        return;
      }
      if (!result.isAccessible() && myParameters.getInvocationCount() < 2) return;

      if (mySkipPackages && result.getElement() instanceof PsiPackage) return;

      PsiElement element = result.getElement();
      if (element instanceof PsiVariable
          && !myMatcher.prefixMatches(((PsiVariable) element).getName())) {
        return;
      }

      if (element instanceof GrReflectedMethod) {
        element = ((GrReflectedMethod) element).getBaseMethod();
        if (!myProcessedMethodWithOptionalParams.add((GrMethod) element)) return;

        result =
            new GroovyResolveResultImpl(
                element,
                result.getCurrentFileResolveContext(),
                result.getSpreadState(),
                result.getSubstitutor(),
                result.isAccessible(),
                result.isStaticsOK(),
                result.isInvokedOnProperty(),
                result.isValidResult());
      }

      if (myFieldPointerOperator && !(element instanceof PsiVariable)) {
        return;
      }
      if (myMethodPointerOperator && !(element instanceof PsiMethod)) {
        return;
      }
      addCandidate(result);

      if (!myFieldPointerOperator && !myMethodPointerOperator) {
        if (element instanceof PsiMethod) {
          processProperty((PsiMethod) element, result);
        } else if (element instanceof GrField) {
          if (((GrField) element).isProperty()) {
            processPropertyFromField((GrField) element, result);
          }
        }
      }
      if (element instanceof GrVariable && !(element instanceof GrField)) {
        myLocalVars.add(((GrVariable) element).getName());
      }
    }
  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 static PsiAnnotationMemberValue[] readFromClass(
      @NonNls String attributeName, @NotNull PsiAnnotation magic, PsiType type) {
    PsiAnnotationMemberValue fromClassAttr = magic.findAttributeValue(attributeName);
    PsiType fromClassType =
        fromClassAttr instanceof PsiClassObjectAccessExpression
            ? ((PsiClassObjectAccessExpression) fromClassAttr).getOperand().getType()
            : null;
    PsiClass fromClass =
        fromClassType instanceof PsiClassType ? ((PsiClassType) fromClassType).resolve() : null;
    if (fromClass == null) return null;
    String fqn = fromClass.getQualifiedName();
    if (fqn == null) return null;
    List<PsiAnnotationMemberValue> constants = new ArrayList<PsiAnnotationMemberValue>();
    for (PsiField field : fromClass.getFields()) {
      if (!field.hasModifierProperty(PsiModifier.PUBLIC)
          || !field.hasModifierProperty(PsiModifier.STATIC)
          || !field.hasModifierProperty(PsiModifier.FINAL)) continue;
      PsiType fieldType = field.getType();
      if (!Comparing.equal(fieldType, type)) continue;
      PsiAssignmentExpression e =
          (PsiAssignmentExpression)
              JavaPsiFacade.getElementFactory(field.getProject())
                  .createExpressionFromText("x=" + fqn + "." + field.getName(), field);
      PsiReferenceExpression refToField = (PsiReferenceExpression) e.getRExpression();
      constants.add(refToField);
    }
    if (constants.isEmpty()) return null;

    return constants.toArray(new PsiAnnotationMemberValue[constants.size()]);
  }
  private void processUsagesPerFile(UsageInfo[] usages) {
    Map<PsiFile, List<EncapsulateFieldUsageInfo>> usagesInFiles =
        new HashMap<PsiFile, List<EncapsulateFieldUsageInfo>>();
    for (UsageInfo usage : usages) {
      PsiElement element = usage.getElement();
      if (element == null) continue;
      final PsiFile file = element.getContainingFile();
      List<EncapsulateFieldUsageInfo> usagesInFile = usagesInFiles.get(file);
      if (usagesInFile == null) {
        usagesInFile = new ArrayList<EncapsulateFieldUsageInfo>();
        usagesInFiles.put(file, usagesInFile);
      }
      usagesInFile.add(((EncapsulateFieldUsageInfo) usage));
    }

    for (List<EncapsulateFieldUsageInfo> usageInfos : usagesInFiles.values()) {
      // this is to avoid elements to become invalid as a result of processUsage
      final EncapsulateFieldUsageInfo[] infos =
          usageInfos.toArray(new EncapsulateFieldUsageInfo[usageInfos.size()]);
      CommonRefactoringUtil.sortDepthFirstRightLeftOrder(infos);

      for (EncapsulateFieldUsageInfo info : infos) {
        EncapsulateFieldHelper helper =
            EncapsulateFieldHelper.getHelper(info.getElement().getLanguage());
        helper.processUsage(
            info,
            myDescriptor,
            myNameToSetter.get(info.getFieldDescriptor().getSetterName()),
            myNameToGetter.get(info.getFieldDescriptor().getGetterName()));
      }
    }
  }
 public String getPatternPresentation() {
   final List<String> enabledTests = new ArrayList<String>();
   for (String pattern : myPattern) {
     enabledTests.add(pattern);
   }
   return StringUtil.join(enabledTests, "||");
 }
  @NotNull
  private static PsiSubstitutor replaceVariables(Collection<InferenceVariable> inferenceVariables) {
    final List<InferenceVariable> targetVars = new ArrayList<InferenceVariable>();
    PsiSubstitutor substitutor = PsiSubstitutor.EMPTY;
    final InferenceVariable[] oldVars =
        inferenceVariables.toArray(new InferenceVariable[inferenceVariables.size()]);
    for (InferenceVariable variable : oldVars) {
      final InferenceVariable newVariable =
          new InferenceVariable(
              variable.getCallContext(), variable.getParameter(), variable.getName());
      substitutor =
          substitutor.put(
              variable,
              JavaPsiFacade.getElementFactory(variable.getProject()).createType(newVariable));
      targetVars.add(newVariable);
      if (variable.isThrownBound()) {
        newVariable.setThrownBound();
      }
    }

    for (int i = 0; i < targetVars.size(); i++) {
      InferenceVariable var = targetVars.get(i);
      for (InferenceBound boundType : InferenceBound.values()) {
        for (PsiType bound : oldVars[i].getBounds(boundType)) {
          var.addBound(substitutor.substitute(bound), boundType, null);
        }
      }
    }
    return substitutor;
  }
 private static PsiClassType[] filterCheckedExceptions(PsiClassType[] exceptions) {
   List<PsiClassType> result = new ArrayList<PsiClassType>();
   for (PsiClassType exceptionType : exceptions) {
     if (!ExceptionUtil.isUncheckedException(exceptionType)) result.add(exceptionType);
   }
   return result.toArray(new PsiClassType[result.size()]);
 }