public static boolean isLocalNamedFun(DeclarationDescriptor fd) {
   if (fd instanceof FunctionDescriptor) {
     FunctionDescriptor descriptor = (FunctionDescriptor) fd;
     return descriptor.getVisibility() == Visibilities.LOCAL && !descriptor.getName().isSpecial();
   }
   return false;
 }
  private ClassDescriptor recordClassForFunction(FunctionDescriptor funDescriptor) {
    ClassDescriptor classDescriptor;
    int arity = funDescriptor.getValueParameters().size();

    classDescriptor =
        new ClassDescriptorImpl(
            funDescriptor.getContainingDeclaration(),
            Collections.<AnnotationDescriptor>emptyList(),
            Modality.FINAL,
            Name.special("<closure>"));
    ((ClassDescriptorImpl) classDescriptor)
        .initialize(
            false,
            Collections.<TypeParameterDescriptor>emptyList(),
            Collections.singleton(
                (funDescriptor.getReceiverParameter().exists()
                        ? JetStandardClasses.getReceiverFunction(arity)
                        : JetStandardClasses.getFunction(arity))
                    .getDefaultType()),
            JetScope.EMPTY,
            Collections.<ConstructorDescriptor>emptySet(),
            null);

    assert PsiCodegenPredictor.checkPredictedClassNameForFun(
        bindingContext, funDescriptor, classDescriptor);
    bindingTrace.record(CLASS_FOR_FUNCTION, funDescriptor, classDescriptor);
    return classDescriptor;
  }
  @NotNull
  public JetTypeInfo getSimpleNameExpressionTypeInfo(
      @NotNull JetSimpleNameExpression nameExpression,
      @NotNull ReceiverValue receiver,
      @Nullable ASTNode callOperationNode,
      @NotNull ResolutionContext context) {
    boolean[] result = new boolean[1];

    TemporaryBindingTrace traceForVariable =
        TemporaryBindingTrace.create(context.trace, "trace to resolve as variable", nameExpression);
    JetType type =
        getVariableType(
            nameExpression,
            receiver,
            callOperationNode,
            context.replaceBindingTrace(traceForVariable),
            result);
    if (result[0]) {
      traceForVariable.commit();
      if (type instanceof NamespaceType && context.expressionPosition == ExpressionPosition.FREE) {
        type = null;
      }
      return JetTypeInfo.create(type, context.dataFlowInfo);
    }

    Call call =
        CallMaker.makeCall(
            nameExpression,
            receiver,
            callOperationNode,
            nameExpression,
            Collections.<ValueArgument>emptyList());
    TemporaryBindingTrace traceForFunction =
        TemporaryBindingTrace.create(context.trace, "trace to resolve as function", nameExpression);
    ResolvedCall<FunctionDescriptor> resolvedCall =
        getResolvedCallForFunction(
            call,
            nameExpression,
            receiver,
            context,
            ResolveMode.TOP_LEVEL_CALL,
            ResolutionResultsCache.create(),
            result);
    if (result[0]) {
      FunctionDescriptor functionDescriptor =
          resolvedCall != null ? resolvedCall.getResultingDescriptor() : null;
      traceForFunction.commit();
      boolean hasValueParameters =
          functionDescriptor == null || functionDescriptor.getValueParameters().size() > 0;
      context.trace.report(
          FUNCTION_CALL_EXPECTED.on(nameExpression, nameExpression, hasValueParameters));
      type = functionDescriptor != null ? functionDescriptor.getReturnType() : null;
      return JetTypeInfo.create(type, context.dataFlowInfo);
    }

    traceForVariable.commit();
    return JetTypeInfo.create(null, context.dataFlowInfo);
  }
  @Override
  public void visitNamedFunction(JetNamedFunction function) {
    FunctionDescriptor functionDescriptor =
        (FunctionDescriptor) bindingContext.get(DECLARATION_TO_DESCRIPTOR, function);
    // working around a problem with shallow analysis
    if (functionDescriptor == null) return;
    DeclarationDescriptor containingDeclaration = functionDescriptor.getContainingDeclaration();
    if (containingDeclaration instanceof ClassDescriptor) {
      nameStack.push(peekFromStack(nameStack) + '$' + function.getName());
      super.visitNamedFunction(function);
      nameStack.pop();
    } else if (containingDeclaration instanceof NamespaceDescriptor) {
      String peek = peekFromStack(nameStack);
      if (peek.isEmpty()) {
        peek = JvmAbi.PACKAGE_CLASS;
      } else {
        peek += "/" + JvmAbi.PACKAGE_CLASS;
      }
      nameStack.push(peek + '$' + function.getName());
      super.visitNamedFunction(function);
      nameStack.pop();
    } else {
      String name = inventAnonymousClassName(function);
      ClassDescriptor classDescriptor = recordClassForFunction(functionDescriptor);
      recordClosure(
          bindingTrace,
          function,
          classDescriptor,
          peekFromStack(classStack),
          JvmClassName.byInternalName(name),
          true);

      classStack.push(classDescriptor);
      nameStack.push(name);
      super.visitNamedFunction(function);
      nameStack.pop();
      classStack.pop();
    }
  }
  @NotNull
  public TypeInfoForCall getCallExpressionTypeInfoForCallWithoutFinalTypeCheck(
      @NotNull JetCallExpression callExpression,
      @NotNull ReceiverValue receiver,
      @Nullable ASTNode callOperationNode,
      @NotNull ResolutionContext context,
      @NotNull ResolveMode resolveMode) {
    boolean[] result = new boolean[1];
    Call call = CallMaker.makeCall(receiver, callOperationNode, callExpression);

    TemporaryBindingTrace traceForFunction =
        TemporaryBindingTrace.create(
            context.trace, "trace to resolve as function call", callExpression);
    ResolvedCall<FunctionDescriptor> resolvedCall =
        getResolvedCallForFunction(
            call,
            callExpression,
            receiver,
            context.replaceBindingTrace(traceForFunction),
            resolveMode,
            result);
    if (result[0]) {
      FunctionDescriptor functionDescriptor =
          resolvedCall != null ? resolvedCall.getResultingDescriptor() : null;
      traceForFunction.commit();
      if (callExpression.getValueArgumentList() == null
          && callExpression.getFunctionLiteralArguments().isEmpty()) {
        // there are only type arguments
        boolean hasValueParameters =
            functionDescriptor == null || functionDescriptor.getValueParameters().size() > 0;
        context.trace.report(
            FUNCTION_CALL_EXPECTED.on(callExpression, callExpression, hasValueParameters));
      }
      if (functionDescriptor == null) {
        return TypeInfoForCall.create(null, context.dataFlowInfo);
      }
      JetType type = functionDescriptor.getReturnType();

      return TypeInfoForCall.create(
          type, resolvedCall.getDataFlowInfo(), resolvedCall, call, context, resolveMode);
    }

    JetExpression calleeExpression = callExpression.getCalleeExpression();
    if (calleeExpression instanceof JetSimpleNameExpression
        && callExpression.getTypeArgumentList() == null) {
      TemporaryBindingTrace traceForVariable =
          TemporaryBindingTrace.create(
              context.trace, "trace to resolve as variable with 'invoke' call", callExpression);
      JetType type =
          getVariableType(
              (JetSimpleNameExpression) calleeExpression,
              receiver,
              callOperationNode,
              context.replaceBindingTrace(traceForVariable),
              result);
      if (result[0]) {
        traceForVariable.commit();
        context.trace.report(
            FUNCTION_EXPECTED.on(
                (JetReferenceExpression) calleeExpression,
                calleeExpression,
                type != null ? type : ErrorUtils.createErrorType("")));
        return TypeInfoForCall.create(null, context.dataFlowInfo);
      }
    }
    traceForFunction.commit();
    return TypeInfoForCall.create(null, context.dataFlowInfo);
  }