private ICSharpArgument FindInvalidExceptionArgument(IInvocationExpression invocationExpression, ICSharpArgument templateArgument, IDeclaredType exceptionType)
        {
            var templateArgumentIndex = templateArgument.IndexOf();

            foreach (var argument in invocationExpression.ArgumentList.Arguments)
            {
                var argumentType = argument.Value?.Type();
                if (!(argumentType is IDeclaredType declaredType))
                {
                    continue;
                }

                if (!declaredType.IsSubtypeOf(exceptionType))
                {
                    continue;
                }

                if (templateArgumentIndex > argument.IndexOf())
                {
                    return(null);
                }

                return(argument);
            }

            return(null);
        }
        private static void HighlightByArgument(
            HighlightingsConsumer consumer,
            ICSharpArgument selectedArgument,
            ICSharpArgument templateArgument,
            MessageTemplate messageTemplate)
        {
            var argumentIndex        = selectedArgument.IndexOf() - templateArgument.IndexOf() - 1;
            var namedProperties      = messageTemplate.NamedProperties;
            var positionalProperties = messageTemplate.PositionalProperties;

            if (namedProperties != null && argumentIndex < namedProperties.Length)
            {
                var property = namedProperties[argumentIndex];
                consumer.ConsumeHighlighting(
                    GeneralHighlightingAttributeIds.USAGE_OF_ELEMENT_UNDER_CURSOR,
                    templateArgument.GetTokenInformation(property).DocumentRange);
            }
            else if (positionalProperties != null)
            {
                foreach (var property in positionalProperties)
                {
                    if (!property.TryGetPositionalValue(out int position))
                    {
                        continue;
                    }

                    if (position != argumentIndex)
                    {
                        continue;
                    }

                    consumer.ConsumeHighlighting(
                        GeneralHighlightingAttributeIds.USAGE_OF_ELEMENT_UNDER_CURSOR,
                        templateArgument.GetTokenInformation(property).DocumentRange);
                }
            }

            consumer.ConsumeHighlighting(
                GeneralHighlightingAttributeIds.USAGE_OF_ELEMENT_UNDER_CURSOR,
                selectedArgument.GetDocumentRange());
        }
Ejemplo n.º 3
0
        private static void HighlightUnusedArguments(
            IInvocationExpression element,
            IHighlightingConsumer consumer,
            ICSharpArgument templateArgument,
            MessageTemplate messageTemplate)
        {
            var templateArgumentIndex = templateArgument.IndexOf();

            foreach (var argument in element.ArgumentList.Arguments)
            {
                var argumentIndex = argument.IndexOf();
                if (argumentIndex <= templateArgumentIndex)
                {
                    continue;
                }

                var argumentPosition = argumentIndex - templateArgumentIndex;
                if (messageTemplate.NamedProperties != null)
                {
                    if (messageTemplate.NamedProperties.Length < argumentPosition)
                    {
                        consumer.AddHighlighting(new TemplateFormatStringArgumentIsNotUsedWarning(argument));
                    }
                }
                else if (messageTemplate.PositionalProperties != null)
                {
                    if (!messageTemplate.PositionalProperties.Any(
                            p => p.TryGetPositionalValue(out int position) && position == argumentPosition - 1))
                    {
                        consumer.AddHighlighting(new TemplateFormatStringArgumentIsNotUsedWarning(argument));
                    }
                }
                else
                {
                    consumer.AddHighlighting(new TemplateFormatStringArgumentIsNotUsedWarning(argument));
                }
            }
        }
        private static void HighlightByNamedPlaceholder(
            HighlightingsConsumer consumer,
            IPsiView psiView,
            ICSharpArgument templateArgument,
            MessageTemplate messageTemplate,
            TreeNodeCollection <ICSharpArgument> arguments)
        {
            if (messageTemplate.NamedProperties != null)
            {
                var(selectedToken, index) = GetSelectedToken(psiView, templateArgument, messageTemplate.NamedProperties);
                if (selectedToken == null)
                {
                    return;
                }

                var argumentIndex = templateArgument.IndexOf() + index + 1;
                if (arguments.Count <= argumentIndex)
                {
                    return;
                }

                consumer.ConsumeHighlighting(
                    GeneralHighlightingAttributeIds.USAGE_OF_ELEMENT_UNDER_CURSOR,
                    templateArgument.GetTokenInformation(selectedToken).DocumentRange);
                consumer.ConsumeHighlighting(
                    GeneralHighlightingAttributeIds.USAGE_OF_ELEMENT_UNDER_CURSOR,
                    arguments[argumentIndex].GetDocumentRange());
            }
            else if (messageTemplate.PositionalProperties != null)
            {
                var(selectedToken, _) = GetSelectedToken(psiView, templateArgument, messageTemplate.PositionalProperties);
                if (selectedToken == null)
                {
                    return;
                }

                if (!selectedToken.TryGetPositionalValue(out int position))
                {
                    return;
                }

                foreach (var property in messageTemplate.PositionalProperties)
                {
                    if (!property.TryGetPositionalValue(out int propertyPosition))
                    {
                        continue;
                    }

                    if (propertyPosition != position)
                    {
                        continue;
                    }

                    consumer.ConsumeHighlighting(
                        GeneralHighlightingAttributeIds.USAGE_OF_ELEMENT_UNDER_CURSOR,
                        templateArgument.GetTokenInformation(property).DocumentRange);
                }

                var argumentIndex = templateArgument.IndexOf() + position + 1;
                if (arguments.Count <= argumentIndex)
                {
                    return;
                }

                consumer.ConsumeHighlighting(
                    GeneralHighlightingAttributeIds.USAGE_OF_ELEMENT_UNDER_CURSOR,
                    arguments[argumentIndex].GetDocumentRange());
            }
        }
        protected override void Run(
            IInvocationExpression element,
            ElementProblemAnalyzerData data,
            IHighlightingConsumer consumer)
        {
            var templateArgument = element.GetTemplateArgument();

            if (templateArgument == null)
            {
                return;
            }

            var templateArgumentIndex = templateArgument.IndexOf();
            var exceptionType         = element.PsiModule.GetPredefinedType().TryGetType(PredefinedType.EXCEPTION_FQN, NullableAnnotation.Unknown);

            if (exceptionType == null)
            {
                return;
            }

            ICSharpArgument invalidExceptionArgument = null;

            foreach (var argument in element.ArgumentList.Arguments)
            {
                var argumentType = argument.Value?.Type();
                if (!(argumentType is IDeclaredType declaredType))
                {
                    continue;
                }

                if (!declaredType.IsSubtypeOf(exceptionType))
                {
                    continue;
                }

                if (templateArgumentIndex > argument.IndexOf())
                {
                    return;
                }

                invalidExceptionArgument = argument;
                break;
            }

            if (invalidExceptionArgument == null)
            {
                return;
            }

            var overloadAvailable    = false;
            var candidates           = element.InvocationExpressionReference.GetCandidates().ToArray();
            var invalidArgumentIndex = invalidExceptionArgument.IndexOf();

            foreach (var candidate in candidates)
            {
                if (!(candidate.GetDeclaredElement() is IMethod declaredElement))
                {
                    continue;
                }

                foreach (var parameter in declaredElement.Parameters)
                {
                    if (invalidArgumentIndex <= parameter.IndexOf())
                    {
                        break;
                    }

                    if (parameter.Type.IsSubtypeOf(exceptionType))
                    {
                        overloadAvailable = true;
                        break;
                    }
                }

                if (overloadAvailable)
                {
                    break;
                }
            }

            if (!overloadAvailable)
            {
                return;
            }

            consumer.AddHighlighting(new ExceptionPassedAsTemplateArgumentWarning(invalidExceptionArgument.GetDocumentRange()));
        }