private static void AnalyzeInitializerExpression(SyntaxNodeAnalysisContext context)
        {
            var initializer = (InitializerExpressionSyntax)context.Node;

            SeparatedSyntaxList <ExpressionSyntax> expressions = initializer.Expressions;

            ExpressionSyntax expression = expressions.SingleOrDefault(shouldThrow: false);

            if (expression == null)
            {
                return;
            }

            if (initializer.SpanContainsDirectives())
            {
                return;
            }

            if (initializer.IsSingleLine(includeExteriorTrivia: false))
            {
                return;
            }

            if (!expression.IsSingleLine())
            {
                return;
            }

            if (!SyntaxTriviaAnalysis.IsExteriorTriviaEmptyOrWhitespace(expression))
            {
                return;
            }

            if (!SyntaxTriviaAnalysis.IsExteriorTriviaEmptyOrWhitespace(initializer.OpenBraceToken))
            {
                return;
            }

            if (!initializer.CloseBraceToken.LeadingTrivia.IsEmptyOrWhitespace())
            {
                return;
            }

            if (expressions.SeparatorCount == 1 &&
                !SyntaxTriviaAnalysis.IsExteriorTriviaEmptyOrWhitespace(expressions.GetSeparator(0)))
            {
                return;
            }

            if (!initializer.OpenBraceToken.GetPreviousToken().TrailingTrivia.IsEmptyOrWhitespace())
            {
                return;
            }

            context.ReportDiagnostic(DiagnosticDescriptors.RemoveNewlinesFromInitializerWithSingleLineExpression, initializer);
        }
        public static void AnalyzeInitializerExpression(SyntaxNodeAnalysisContext context)
        {
            var initializer = (InitializerExpressionSyntax)context.Node;

            SeparatedSyntaxList <ExpressionSyntax> expressions = initializer.Expressions;

            ExpressionSyntax expression = expressions.SingleOrDefault(shouldThrow: false);

            if (expression == null)
            {
                return;
            }

            if (initializer.SpanContainsDirectives())
            {
                return;
            }

            if (!expression.IsSingleLine())
            {
                return;
            }

            if (initializer.IsSingleLine())
            {
                return;
            }

            if (!initializer
                .DescendantTrivia(TextSpan.FromBounds(initializer.FullSpan.Start, initializer.Span.End))
                .All(f => f.IsWhitespaceOrEndOfLineTrivia()))
            {
                return;
            }

            context.ReportDiagnostic(DiagnosticDescriptors.FormatInitializerWithSingleExpressionOnSingleLine, initializer);
        }
 private static bool IsSuppressingThisAnalyzer(SeparatedSyntaxList <ExpressionSyntax> errorCodes)
 {
     return(errorCodes.SingleOrDefault(shouldThrow: false) is IdentifierNameSyntax identifierName &&
            string.Equals(identifierName.Identifier.ValueText, DiagnosticIdentifiers.MergePreprocessorDirectives, StringComparison.Ordinal));
 }
Exemplo n.º 4
0
 internal static TNode SingleOrDefault <TNode>(this SeparatedSyntaxList <TNode> list, bool shouldthrow) where TNode : SyntaxNode
 {
     return((shouldthrow) ? list.SingleOrDefault() : ((list.Count == 1) ? list[0] : default(TNode)));
 }