@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);
  }
Exemple #2
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  public static void genNotNullAssertionForMethod(
      @NotNull InstructionAdapter v,
      @NotNull GenerationState state,
      @NotNull ResolvedCall resolvedCall) {
    CallableDescriptor descriptor = resolvedCall.getResultingDescriptor();
    if (descriptor instanceof ConstructorDescriptor) return;

    genNotNullAssertion(v, state, descriptor, "checkReturnedValueIsNotNull");
  }
Exemple #3
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 @NotNull
 @Override
 public String render(
     @NotNull
         Collection<? extends ResolvedCall<? extends CallableDescriptor>> argument) {
   StringBuilder stringBuilder = new StringBuilder("\n");
   for (ResolvedCall<? extends CallableDescriptor> call : argument) {
     stringBuilder
         .append(DescriptorRenderer.TEXT.render(call.getResultingDescriptor()))
         .append("\n");
   }
   return stringBuilder.toString();
 }
 @Override
 public void visitReferenceExpression(@NotNull JetReferenceExpression expression) {
   super.visitReferenceExpression(expression);
   ResolvedCall resolvedCall = CallUtilPackage.getResolvedCall(expression, bindingContext);
   if (resolvedCall != null && resolvedCall instanceof VariableAsFunctionResolvedCall) {
     // Deprecated for invoke()
     JetCallExpression parent = PsiTreeUtil.getParentOfType(expression, JetCallExpression.class);
     if (parent != null) {
       reportAnnotationIfNeeded(parent, resolvedCall.getResultingDescriptor(), true);
     }
   }
   if (expression.getNode().getElementType() == JetNodeTypes.OPERATION_REFERENCE) {
     // Deprecated for operations (mark as warning)
     checkDeprecatedForOperations(expression);
   } else {
     checkDeprecatedForReferenceExpression(expression);
   }
 }
  @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);
  }
  @NotNull
  protected JetTypeInfo visitAssignmentOperation(
      JetBinaryExpression expression, ExpressionTypingContext contextWithExpectedType) {
    // There is a temporary binding trace for an opportunity to resolve set method for array if
    // needed (the initial trace should be used there)
    TemporaryBindingTrace temporaryBindingTrace =
        TemporaryBindingTrace.create(
            contextWithExpectedType.trace,
            "trace to resolve array set method for binary expression",
            expression);
    ExpressionTypingContext context =
        contextWithExpectedType
            .replaceExpectedType(TypeUtils.NO_EXPECTED_TYPE)
            .replaceBindingTrace(temporaryBindingTrace);

    JetSimpleNameExpression operationSign = expression.getOperationReference();
    IElementType operationType = operationSign.getReferencedNameElementType();
    JetTypeInfo leftInfo = facade.getTypeInfo(expression.getLeft(), context);
    JetType leftType = leftInfo.getType();
    DataFlowInfo dataFlowInfo = leftInfo.getDataFlowInfo();

    JetExpression right = expression.getRight();
    JetExpression left = JetPsiUtil.deparenthesizeWithNoTypeResolution(expression.getLeft());
    if (right == null || left == null) {
      temporaryBindingTrace.commit();
      return JetTypeInfo.create(null, dataFlowInfo);
    }

    if (leftType == null) {
      dataFlowInfo =
          facade.getTypeInfo(right, context.replaceDataFlowInfo(dataFlowInfo)).getDataFlowInfo();
      context.trace.report(UNRESOLVED_REFERENCE.on(operationSign));
      temporaryBindingTrace.commit();
      return JetTypeInfo.create(null, dataFlowInfo);
    }
    ExpressionReceiver receiver = new ExpressionReceiver(left, leftType);

    // We check that defined only one of '+=' and '+' operations, and call it (in the case '+' we
    // then also assign)
    // Check for '+='
    Name name = OperatorConventions.ASSIGNMENT_OPERATIONS.get(operationType);
    TemporaryBindingTrace assignmentOperationTrace =
        TemporaryBindingTrace.create(
            context.trace, "trace to check assignment operation like '+=' for", expression);
    OverloadResolutionResults<FunctionDescriptor> assignmentOperationDescriptors =
        basic.getResolutionResultsForBinaryCall(
            scope,
            name,
            context.replaceBindingTrace(assignmentOperationTrace),
            expression,
            receiver);
    JetType assignmentOperationType =
        OverloadResolutionResultsUtil.getResultType(assignmentOperationDescriptors);

    // Check for '+'
    Name counterpartName =
        OperatorConventions.BINARY_OPERATION_NAMES.get(
            OperatorConventions.ASSIGNMENT_OPERATION_COUNTERPARTS.get(operationType));
    TemporaryBindingTrace binaryOperationTrace =
        TemporaryBindingTrace.create(
            context.trace, "trace to check binary operation like '+' for", expression);
    OverloadResolutionResults<FunctionDescriptor> binaryOperationDescriptors =
        basic.getResolutionResultsForBinaryCall(
            scope,
            counterpartName,
            context.replaceBindingTrace(binaryOperationTrace),
            expression,
            receiver);
    JetType binaryOperationType =
        OverloadResolutionResultsUtil.getResultType(binaryOperationDescriptors);

    JetType type = assignmentOperationType != null ? assignmentOperationType : binaryOperationType;
    if (assignmentOperationType != null && binaryOperationType != null) {
      OverloadResolutionResults<FunctionDescriptor> ambiguityResolutionResults =
          OverloadResolutionResultsUtil.ambiguity(
              assignmentOperationDescriptors, binaryOperationDescriptors);
      context.trace.report(
          ASSIGN_OPERATOR_AMBIGUITY.on(
              operationSign, ambiguityResolutionResults.getResultingCalls()));
      Collection<DeclarationDescriptor> descriptors = Sets.newHashSet();
      for (ResolvedCall<? extends FunctionDescriptor> call :
          ambiguityResolutionResults.getResultingCalls()) {
        descriptors.add(call.getResultingDescriptor());
      }
      dataFlowInfo =
          facade.getTypeInfo(right, context.replaceDataFlowInfo(dataFlowInfo)).getDataFlowInfo();
      context.trace.record(AMBIGUOUS_REFERENCE_TARGET, operationSign, descriptors);
    } else if (assignmentOperationType != null) {
      assignmentOperationTrace.commit();
      if (!KotlinBuiltIns.getInstance().isUnit(assignmentOperationType)) {
        context.trace.report(
            ASSIGNMENT_OPERATOR_SHOULD_RETURN_UNIT.on(
                operationSign,
                assignmentOperationDescriptors.getResultingDescriptor(),
                operationSign));
      }
    } else {
      binaryOperationTrace.commit();
      context.trace.record(VARIABLE_REASSIGNMENT, expression);
      if (left instanceof JetArrayAccessExpression) {
        ExpressionTypingContext contextForResolve =
            context
                .replaceScope(scope)
                .replaceBindingTrace(
                    TemporaryBindingTrace.create(
                        contextWithExpectedType.trace,
                        "trace to resolve array set method for assignment",
                        expression));
        basic.resolveArrayAccessSetMethod(
            (JetArrayAccessExpression) left, right, contextForResolve, context.trace);
      }
      dataFlowInfo =
          facade.getTypeInfo(right, context.replaceDataFlowInfo(dataFlowInfo)).getDataFlowInfo();
    }
    basic.checkLValue(context.trace, expression.getLeft());
    temporaryBindingTrace.commit();
    return JetTypeInfo.create(
        checkAssignmentType(type, expression, contextWithExpectedType), dataFlowInfo);
  }