public boolean commitTransaction(final Document document) {
    ApplicationManager.getApplication().assertIsDispatchThread();
    final DocumentChangeTransaction documentChangeTransaction = removeTransaction(document);
    if (documentChangeTransaction == null) return false;
    final PsiElement changeScope = documentChangeTransaction.getChangeScope();
    try {
      mySyncDocument = document;

      final PsiTreeChangeEventImpl fakeEvent = new PsiTreeChangeEventImpl(changeScope.getManager());
      fakeEvent.setParent(changeScope);
      fakeEvent.setFile(changeScope.getContainingFile());
      doSync(
          fakeEvent,
          true,
          new DocSyncAction() {
            @Override
            public void syncDocument(Document document, PsiTreeChangeEventImpl event) {
              doCommitTransaction(document, documentChangeTransaction);
            }
          });
      myBus
          .syncPublisher(PsiDocumentTransactionListener.TOPIC)
          .transactionCompleted(document, (PsiFile) changeScope);
    } finally {
      mySyncDocument = null;
    }
    return true;
  }
Exemple #2
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 @Nullable
 public static CreateClassOrPackageFix createFix(
     @NotNull final String qualifiedName,
     @NotNull final GlobalSearchScope scope,
     @NotNull final PsiElement context,
     @Nullable final PsiPackage basePackage,
     @Nullable ClassKind kind,
     @Nullable String superClass,
     @Nullable String templateName) {
   final List<PsiDirectory> directories =
       getWritableDirectoryListDefault(basePackage, scope, context.getManager());
   if (directories.isEmpty()) {
     return null;
   }
   final String redPart =
       basePackage == null
           ? qualifiedName
           : qualifiedName.substring(basePackage.getQualifiedName().length() + 1);
   final int dot = redPart.indexOf('.');
   final boolean fixPath = dot >= 0;
   final String firstRedName = fixPath ? redPart.substring(0, dot) : redPart;
   for (Iterator<PsiDirectory> i = directories.iterator(); i.hasNext(); ) {
     if (!checkCreateClassOrPackage(kind != null && !fixPath, i.next(), firstRedName)) {
       i.remove();
     }
   }
   return new CreateClassOrPackageFix(
       directories,
       context,
       fixPath ? qualifiedName : redPart,
       redPart,
       kind,
       superClass,
       templateName);
 }
  private JavaResolveResult advancedResolveInner(final PsiElement psiElement, final String qName) {
    final PsiManager manager = psiElement.getManager();
    final GlobalSearchScope scope = getScope();
    if (myIndex == myJavaClassReferenceSet.getReferences().length - 1) {
      final PsiClass aClass =
          JavaPsiFacade.getInstance(manager.getProject()).findClass(qName, scope);
      if (aClass != null) {
        return new ClassCandidateInfo(aClass, PsiSubstitutor.EMPTY, false, psiElement);
      } else {
        if (!JavaClassReferenceProvider.ADVANCED_RESOLVE.getBooleanValue(getOptions())) {
          return JavaResolveResult.EMPTY;
        }
      }
    }
    PsiElement resolveResult = JavaPsiFacade.getInstance(manager.getProject()).findPackage(qName);
    if (resolveResult == null) {
      resolveResult = JavaPsiFacade.getInstance(manager.getProject()).findClass(qName, scope);
    }
    if (myInStaticImport && resolveResult == null) {
      resolveResult = resolveMember(qName, manager, getElement().getResolveScope());
    }
    if (resolveResult == null) {
      PsiFile containingFile = psiElement.getContainingFile();

      if (containingFile instanceof PsiJavaFile) {
        if (containingFile instanceof JspFile) {
          containingFile = containingFile.getViewProvider().getPsi(StdLanguages.JAVA);
          if (containingFile == null) return JavaResolveResult.EMPTY;
        }

        final ClassResolverProcessor processor =
            new ClassResolverProcessor(getCanonicalText(), psiElement);
        containingFile.processDeclarations(processor, ResolveState.initial(), null, psiElement);

        if (processor.getResult().length == 1) {
          final JavaResolveResult javaResolveResult = processor.getResult()[0];

          if (javaResolveResult != JavaResolveResult.EMPTY && getOptions() != null) {
            final Boolean value =
                JavaClassReferenceProvider.RESOLVE_QUALIFIED_CLASS_NAME.getValue(getOptions());
            final PsiClass psiClass = (PsiClass) javaResolveResult.getElement();
            if (value != null && value.booleanValue() && psiClass != null) {
              final String qualifiedName = psiClass.getQualifiedName();

              if (!qName.equals(qualifiedName)) {
                return JavaResolveResult.EMPTY;
              }
            }
          }

          return javaResolveResult;
        }
      }
    }
    return resolveResult != null
        ? new CandidateInfo(resolveResult, PsiSubstitutor.EMPTY, false, false, psiElement)
        : JavaResolveResult.EMPTY;
  }
 @Override
 public boolean setupDefaultValues(
     ChangeInfo changeInfo, Ref<UsageInfo[]> refUsages, Project project) {
   if (!(changeInfo instanceof JavaChangeInfo)) return true;
   for (UsageInfo usageInfo : refUsages.get()) {
     if (usageInfo instanceof MethodCallUsageInfo) {
       MethodCallUsageInfo methodCallUsageInfo = (MethodCallUsageInfo) usageInfo;
       if (methodCallUsageInfo.isToChangeArguments()) {
         final PsiElement element = methodCallUsageInfo.getElement();
         if (element == null) continue;
         final PsiMethod caller = RefactoringUtil.getEnclosingMethod(element);
         final boolean needDefaultValue = needDefaultValue(changeInfo, caller);
         if (needDefaultValue
             && (caller == null
                 || !MethodSignatureUtil.isSuperMethod(
                     methodCallUsageInfo.getReferencedMethod(), caller))) {
           final ParameterInfo[] parameters = changeInfo.getNewParameters();
           for (ParameterInfo parameter : parameters) {
             final String defaultValue = parameter.getDefaultValue();
             if (defaultValue == null && parameter.getOldIndex() == -1) {
               ((ParameterInfoImpl) parameter).setDefaultValue("");
               if (!ApplicationManager.getApplication().isUnitTestMode()) {
                 final PsiType type =
                     ((ParameterInfoImpl) parameter)
                         .getTypeWrapper()
                         .getType(element, element.getManager());
                 final DefaultValueChooser chooser =
                     new DefaultValueChooser(
                         project, parameter.getName(), PsiTypesUtil.getDefaultValueOfType(type));
                 chooser.show();
                 if (chooser.isOK()) {
                   if (chooser.feelLucky()) {
                     parameter.setUseAnySingleVariable(true);
                   } else {
                     ((ParameterInfoImpl) parameter).setDefaultValue(chooser.getDefaultValue());
                   }
                 } else {
                   return false;
                 }
               }
             }
           }
         }
       }
     }
   }
   return true;
 }
  @NotNull
  public static UsageInfo[] findUsages(
      final PsiElement element,
      final String newName,
      boolean searchInStringsAndComments,
      boolean searchForTextOccurrences,
      Map<? extends PsiElement, String> allRenames) {
    final List<UsageInfo> result = Collections.synchronizedList(new ArrayList<UsageInfo>());

    PsiManager manager = element.getManager();
    GlobalSearchScope projectScope = GlobalSearchScope.projectScope(manager.getProject());
    RenamePsiElementProcessor processor = RenamePsiElementProcessor.forElement(element);

    Collection<PsiReference> refs = processor.findReferences(element, searchInStringsAndComments);
    for (final PsiReference ref : refs) {
      if (ref == null) {
        LOG.error("null reference from processor " + processor);
        continue;
      }
      PsiElement referenceElement = ref.getElement();
      result.add(
          new MoveRenameUsageInfo(
              referenceElement,
              ref,
              ref.getRangeInElement().getStartOffset(),
              ref.getRangeInElement().getEndOffset(),
              element,
              ref.resolve() == null));
    }

    processor.findCollisions(element, newName, allRenames, result);

    final PsiElement searchForInComments =
        processor.getElementToSearchInStringsAndComments(element);

    if (searchInStringsAndComments && searchForInComments != null) {
      String stringToSearch =
          ElementDescriptionUtil.getElementDescription(
              searchForInComments, NonCodeSearchDescriptionLocation.STRINGS_AND_COMMENTS);
      if (stringToSearch.length() > 0) {
        final String stringToReplace = getStringToReplace(element, newName, false, processor);
        TextOccurrencesUtil.UsageInfoFactory factory =
            new NonCodeUsageInfoFactory(searchForInComments, stringToReplace);
        TextOccurrencesUtil.addUsagesInStringsAndComments(
            searchForInComments, stringToSearch, result, factory);
      }
    }

    if (searchForTextOccurrences && searchForInComments != null) {
      String stringToSearch =
          ElementDescriptionUtil.getElementDescription(
              searchForInComments, NonCodeSearchDescriptionLocation.NON_JAVA);
      if (stringToSearch.length() > 0) {
        final String stringToReplace = getStringToReplace(element, newName, true, processor);
        addTextOccurrence(
            searchForInComments, result, projectScope, stringToSearch, stringToReplace);
      }

      final Pair<String, String> additionalStringToSearch =
          processor.getTextOccurrenceSearchStrings(searchForInComments, newName);
      if (additionalStringToSearch != null && additionalStringToSearch.first.length() > 0) {
        addTextOccurrence(
            searchForInComments,
            result,
            projectScope,
            additionalStringToSearch.first,
            additionalStringToSearch.second);
      }
    }

    return result.toArray(new UsageInfo[result.size()]);
  }
  static PsiSubstitutor infer(
      @NotNull PsiTypeParameter[] typeParameters,
      @NotNull PsiParameter[] parameters,
      @NotNull PsiExpression[] arguments,
      @NotNull PsiSubstitutor partialSubstitutor,
      @NotNull final PsiElement parent,
      @NotNull final ParameterTypeInferencePolicy policy) {
    if (parent instanceof PsiCall) {
      final PsiExpressionList argumentList = ((PsiCall) parent).getArgumentList();
      final MethodCandidateInfo.CurrentCandidateProperties properties =
          MethodCandidateInfo.getCurrentMethod(argumentList);
      // overload resolution can't depend on outer call => should not traverse to top
      if (properties != null
          && !properties.isApplicabilityCheck()
          &&
          // in order to to avoid caching of candidates's errors on parent (!) , so check for
          // overload resolution is left here
          // But overload resolution can depend on type of lambda parameter. As it can't depend on
          // lambda body,
          // traversing down would stop at lambda level and won't take into account overloaded
          // method
          !MethodCandidateInfo.ourOverloadGuard.currentStack().contains(argumentList)) {
        final PsiCall topLevelCall =
            PsiResolveHelper.ourGraphGuard.doPreventingRecursion(
                parent,
                false,
                new Computable<PsiCall>() {
                  @Override
                  public PsiCall compute() {
                    if (parent instanceof PsiExpression
                        && !PsiPolyExpressionUtil.isPolyExpression((PsiExpression) parent)) {
                      return null;
                    }
                    return LambdaUtil.treeWalkUp(parent);
                  }
                });
        if (topLevelCall != null) {

          InferenceSession session;
          if (MethodCandidateInfo.isOverloadCheck()
              || !PsiDiamondType.ourDiamondGuard.currentStack().isEmpty()
              || LambdaUtil.isLambdaParameterCheck()) {
            session = startTopLevelInference(topLevelCall, policy);
          } else {
            session =
                CachedValuesManager.getCachedValue(
                    topLevelCall,
                    new CachedValueProvider<InferenceSession>() {
                      @Nullable
                      @Override
                      public Result<InferenceSession> compute() {
                        return new Result<InferenceSession>(
                            startTopLevelInference(topLevelCall, policy),
                            PsiModificationTracker.MODIFICATION_COUNT);
                      }
                    });

            if (session != null) {
              // reject cached top level session if it was based on wrong candidate: check nested
              // session if candidate (it's type parameters) are the same
              // such situations are avoided when overload resolution is performed
              // (MethodCandidateInfo.isOverloadCheck above)
              // but situations when client code iterates through
              // PsiResolveHelper.getReferencedMethodCandidates or similar are impossible to guess
              final Map<PsiElement, InferenceSession> sessions =
                  session.getInferenceSessionContainer().myNestedSessions;
              final InferenceSession childSession = sessions.get(parent);
              if (childSession != null) {
                for (PsiTypeParameter parameter : typeParameters) {
                  if (!childSession
                      .getInferenceSubstitution()
                      .getSubstitutionMap()
                      .containsKey(parameter)) {
                    session = startTopLevelInference(topLevelCall, policy);
                    break;
                  }
                }
              }
            }
          }

          if (session != null) {
            final PsiSubstitutor childSubstitutor =
                inferNested(
                    typeParameters,
                    parameters,
                    arguments,
                    partialSubstitutor,
                    (PsiCall) parent,
                    policy,
                    properties,
                    session);
            if (childSubstitutor != null) return childSubstitutor;
          } else if (topLevelCall instanceof PsiMethodCallExpression) {
            return new InferenceSession(
                    typeParameters, partialSubstitutor, parent.getManager(), parent, policy)
                .prepareSubstitution();
          }
        }
      }
    }

    final InferenceSession inferenceSession =
        new InferenceSession(
            typeParameters, partialSubstitutor, parent.getManager(), parent, policy);
    inferenceSession.initExpressionConstraints(parameters, arguments, parent);
    return inferenceSession.infer(parameters, arguments, parent);
  }
  public static Processor<PsiClass> createInheritorsProcessor(
      final PsiElement context,
      final PsiClassType baseType,
      final int arrayDim,
      final boolean getRawSubtypes,
      final Consumer<PsiType> result,
      @NotNull final PsiClass baseClass,
      final PsiSubstitutor baseSubstitutor) {
    final PsiManager manager = context.getManager();
    final JavaPsiFacade facade = JavaPsiFacade.getInstance(manager.getProject());
    final PsiResolveHelper resolveHelper = facade.getResolveHelper();

    return new Processor<PsiClass>() {
      @Override
      public boolean process(final PsiClass inheritor) {
        ProgressManager.checkCanceled();

        return ApplicationManager.getApplication()
            .runReadAction(
                new Computable<Boolean>() {
                  @Override
                  public Boolean compute() {
                    if (!context.isValid()
                        || !inheritor.isValid()
                        || !facade.getResolveHelper().isAccessible(inheritor, context, null))
                      return true;

                    if (inheritor.getQualifiedName() == null
                        && !manager.areElementsEquivalent(
                            inheritor.getContainingFile(),
                            context.getContainingFile().getOriginalFile())) {
                      return true;
                    }

                    if (JavaCompletionUtil.isInExcludedPackage(inheritor, false)) return true;

                    PsiSubstitutor superSubstitutor =
                        TypeConversionUtil.getClassSubstitutor(
                            baseClass, inheritor, PsiSubstitutor.EMPTY);
                    if (superSubstitutor == null) return true;
                    if (getRawSubtypes) {
                      result.consume(
                          createType(
                              inheritor,
                              facade.getElementFactory().createRawSubstitutor(inheritor),
                              arrayDim));
                      return true;
                    }

                    PsiSubstitutor inheritorSubstitutor = PsiSubstitutor.EMPTY;
                    for (PsiTypeParameter inheritorParameter :
                        PsiUtil.typeParametersIterable(inheritor)) {
                      for (PsiTypeParameter baseParameter :
                          PsiUtil.typeParametersIterable(baseClass)) {
                        final PsiType substituted = superSubstitutor.substitute(baseParameter);
                        PsiType arg = baseSubstitutor.substitute(baseParameter);
                        if (arg instanceof PsiWildcardType) {
                          PsiType bound = ((PsiWildcardType) arg).getBound();
                          arg = bound != null ? bound : ((PsiWildcardType) arg).getExtendsBound();
                        }
                        PsiType substitution =
                            resolveHelper.getSubstitutionForTypeParameter(
                                inheritorParameter,
                                substituted,
                                arg,
                                true,
                                PsiUtil.getLanguageLevel(context));
                        if (PsiType.NULL.equals(substitution)
                            || substitution instanceof PsiWildcardType) continue;
                        if (substitution == null) {
                          result.consume(
                              createType(
                                  inheritor,
                                  facade.getElementFactory().createRawSubstitutor(inheritor),
                                  arrayDim));
                          return true;
                        }
                        inheritorSubstitutor =
                            inheritorSubstitutor.put(inheritorParameter, substitution);
                        break;
                      }
                    }

                    PsiType toAdd = createType(inheritor, inheritorSubstitutor, arrayDim);
                    if (baseType.isAssignableFrom(toAdd)) {
                      result.consume(toAdd);
                    }
                    return true;
                  }
                })
            .booleanValue();
      }
    };
  }