@Override
  public JetTypeInfo visitObjectLiteralExpression(
      @NotNull final JetObjectLiteralExpression expression, final ExpressionTypingContext context) {
    DelegatingBindingTrace delegatingBindingTrace =
        context.trace.get(TRACE_DELTAS_CACHE, expression.getObjectDeclaration());
    if (delegatingBindingTrace != null) {
      delegatingBindingTrace.addAllMyDataTo(context.trace);
      JetType type = context.trace.get(EXPRESSION_TYPE, expression);
      return DataFlowUtils.checkType(type, expression, context, context.dataFlowInfo);
    }
    final JetType[] result = new JetType[1];
    final TemporaryBindingTrace temporaryTrace =
        TemporaryBindingTrace.create(
            context.trace, "trace to resolve object literal expression", expression);
    ObservableBindingTrace.RecordHandler<PsiElement, ClassDescriptor> handler =
        new ObservableBindingTrace.RecordHandler<PsiElement, ClassDescriptor>() {

          @Override
          public void handleRecord(
              WritableSlice<PsiElement, ClassDescriptor> slice,
              PsiElement declaration,
              final ClassDescriptor descriptor) {
            if (slice == CLASS && declaration == expression.getObjectDeclaration()) {
              JetType defaultType =
                  DeferredType.create(
                      context.trace,
                      createRecursionIntolerantLazyValueWithDefault(
                          ErrorUtils.createErrorType("Recursive dependency"),
                          new Function0<JetType>() {
                            @Override
                            public JetType invoke() {
                              return descriptor.getDefaultType();
                            }
                          }));
              result[0] = defaultType;
              if (!context.trace.get(PROCESSED, expression)) {
                temporaryTrace.record(EXPRESSION_TYPE, expression, defaultType);
                temporaryTrace.record(PROCESSED, expression);
              }
            }
          }
        };
    ObservableBindingTrace traceAdapter = new ObservableBindingTrace(temporaryTrace);
    traceAdapter.addHandler(CLASS, handler);
    TopDownAnalyzer.processClassOrObject(
        context.replaceBindingTrace(traceAdapter).replaceContextDependency(INDEPENDENT),
        context.scope.getContainingDeclaration(),
        expression.getObjectDeclaration());

    DelegatingBindingTrace cloneDelta =
        new DelegatingBindingTrace(
            new BindingTraceContext().getBindingContext(),
            "cached delta trace for object literal expression resolve",
            expression);
    temporaryTrace.addAllMyDataTo(cloneDelta);
    context.trace.record(TRACE_DELTAS_CACHE, expression.getObjectDeclaration(), cloneDelta);
    temporaryTrace.commit();
    return DataFlowUtils.checkType(result[0], expression, context, context.dataFlowInfo);
  }
 @Override
 public JetTypeInfo visitBinaryExpression(
     JetBinaryExpression expression, ExpressionTypingContext context) {
   JetSimpleNameExpression operationSign = expression.getOperationReference();
   IElementType operationType = operationSign.getReferencedNameElementType();
   JetTypeInfo result;
   if (operationType == JetTokens.EQ) {
     result = visitAssignment(expression, context);
   } else if (OperatorConventions.ASSIGNMENT_OPERATIONS.containsKey(operationType)) {
     result = visitAssignmentOperation(expression, context);
   } else {
     return facade.getTypeInfo(expression, context);
   }
   return DataFlowUtils.checkType(result.getType(), expression, context, result.getDataFlowInfo());
 }
  @Override
  public JetTypeInfo visitFunctionLiteralExpression(
      @NotNull JetFunctionLiteralExpression expression, ExpressionTypingContext context) {
    JetBlockExpression bodyExpression = expression.getFunctionLiteral().getBodyExpression();
    if (bodyExpression == null) return null;

    Name callerName = getCallerName(expression);
    if (callerName != null) {
      context.labelResolver.enterLabeledElement(new LabelName(callerName.asString()), expression);
    }

    JetType expectedType = context.expectedType;
    boolean functionTypeExpected =
        !noExpectedType(expectedType)
            && KotlinBuiltIns.getInstance().isFunctionOrExtensionFunctionType(expectedType);

    AnonymousFunctionDescriptor functionDescriptor =
        createFunctionDescriptor(expression, context, functionTypeExpected);
    JetType safeReturnType =
        computeReturnType(expression, context, functionDescriptor, functionTypeExpected);
    functionDescriptor.setReturnType(safeReturnType);

    JetType receiver =
        DescriptorUtils.getReceiverParameterType(functionDescriptor.getReceiverParameter());
    List<JetType> valueParametersTypes =
        DescriptorUtils.getValueParametersTypes(functionDescriptor.getValueParameters());
    JetType resultType =
        KotlinBuiltIns.getInstance()
            .getFunctionType(
                Collections.<AnnotationDescriptor>emptyList(),
                receiver,
                valueParametersTypes,
                safeReturnType);
    if (!noExpectedType(expectedType)
        && KotlinBuiltIns.getInstance().isFunctionOrExtensionFunctionType(expectedType)) {
      // all checks were done before
      return JetTypeInfo.create(resultType, context.dataFlowInfo);
    }

    if (callerName != null) {
      context.labelResolver.exitLabeledElement(expression);
    }

    return DataFlowUtils.checkType(resultType, expression, context, context.dataFlowInfo);
  }
  @Override
  public JetType visitObjectLiteralExpression(
      final JetObjectLiteralExpression expression, final ExpressionTypingContext context) {
    final JetType[] result = new JetType[1];
    ObservableBindingTrace.RecordHandler<PsiElement, ClassDescriptor> handler =
        new ObservableBindingTrace.RecordHandler<PsiElement, ClassDescriptor>() {

          @Override
          public void handleRecord(
              WritableSlice<PsiElement, ClassDescriptor> slice,
              PsiElement declaration,
              final ClassDescriptor descriptor) {
            if (slice == CLASS && declaration == expression.getObjectDeclaration()) {
              JetType defaultType =
                  DeferredType.create(
                      context.trace,
                      new LazyValueWithDefault<JetType>(
                          ErrorUtils.createErrorType("Recursive dependency")) {
                        @Override
                        protected JetType compute() {
                          return descriptor.getDefaultType();
                        }
                      });
              result[0] = defaultType;
              if (!context.trace.get(PROCESSED, expression)) {
                context.trace.record(EXPRESSION_TYPE, expression, defaultType);
                context.trace.record(PROCESSED, expression);
              }
            }
          }
        };
    ObservableBindingTrace traceAdapter = new ObservableBindingTrace(context.trace);
    traceAdapter.addHandler(CLASS, handler);
    TopDownAnalyzer.processObject(
        context.semanticServices,
        traceAdapter,
        context.scope,
        context.scope.getContainingDeclaration(),
        expression.getObjectDeclaration());
    return DataFlowUtils.checkType(result[0], expression, context);
  }
  @Override
  public JetType visitFunctionLiteralExpression(
      JetFunctionLiteralExpression expression, ExpressionTypingContext context) {
    JetFunctionLiteral functionLiteral = expression.getFunctionLiteral();
    JetBlockExpression bodyExpression = functionLiteral.getBodyExpression();
    if (bodyExpression == null) return null;

    JetType expectedType = context.expectedType;
    boolean functionTypeExpected =
        expectedType != TypeUtils.NO_EXPECTED_TYPE
            && JetStandardClasses.isFunctionType(expectedType);

    NamedFunctionDescriptorImpl functionDescriptor =
        createFunctionDescriptor(expression, context, functionTypeExpected);

    List<JetType> parameterTypes = Lists.newArrayList();
    List<ValueParameterDescriptor> valueParameters = functionDescriptor.getValueParameters();
    for (ValueParameterDescriptor valueParameter : valueParameters) {
      parameterTypes.add(valueParameter.getOutType());
    }
    ReceiverDescriptor receiverParameter = functionDescriptor.getReceiverParameter();
    JetType receiver = receiverParameter != NO_RECEIVER ? receiverParameter.getType() : null;

    JetType returnType = TypeUtils.NO_EXPECTED_TYPE;
    JetScope functionInnerScope =
        FunctionDescriptorUtil.getFunctionInnerScope(
            context.scope, functionDescriptor, context.trace);
    JetTypeReference returnTypeRef = functionLiteral.getReturnTypeRef();
    if (returnTypeRef != null) {
      returnType = context.getTypeResolver().resolveType(context.scope, returnTypeRef);
      context
          .getServices()
          .checkFunctionReturnType(
              expression,
              context
                  .replaceScope(functionInnerScope)
                  .replaceExpectedType(returnType)
                  .replaceExpectedReturnType(returnType)
                  .replaceDataFlowInfo(context.dataFlowInfo));
    } else {
      if (functionTypeExpected) {
        returnType = JetStandardClasses.getReturnTypeFromFunctionType(expectedType);
      }
      returnType =
          context
              .getServices()
              .getBlockReturnedType(
                  functionInnerScope,
                  bodyExpression,
                  CoercionStrategy.COERCION_TO_UNIT,
                  context.replaceExpectedType(returnType).replaceExpectedReturnType(returnType));
    }
    JetType safeReturnType =
        returnType == null ? ErrorUtils.createErrorType("<return type>") : returnType;
    functionDescriptor.setReturnType(safeReturnType);

    boolean hasDeclaredValueParameters = functionLiteral.getValueParameterList() != null;
    if (!hasDeclaredValueParameters && functionTypeExpected) {
      JetType expectedReturnType = JetStandardClasses.getReturnTypeFromFunctionType(expectedType);
      if (JetStandardClasses.isUnit(expectedReturnType)) {
        functionDescriptor.setReturnType(JetStandardClasses.getUnitType());
        return DataFlowUtils.checkType(
            JetStandardClasses.getFunctionType(
                Collections.<AnnotationDescriptor>emptyList(),
                receiver,
                parameterTypes,
                JetStandardClasses.getUnitType()),
            expression,
            context);
      }
    }
    return DataFlowUtils.checkType(
        JetStandardClasses.getFunctionType(
            Collections.<AnnotationDescriptor>emptyList(),
            receiver,
            parameterTypes,
            safeReturnType),
        expression,
        context);
  }