private static void AnalyzeAccessorList(SyntaxNodeAnalysisContext context)
{
var accessorList = (AccessorListSyntax)context.Node;
SyntaxList <AccessorDeclarationSyntax> accessors = accessorList.Accessors;
if (accessors.Count <= 1)
{
return;
}
Debug.Assert(accessors.Count == 2, accessors.Count.ToString());
AccessorDeclarationSyntax accessor1 = accessors[0];
if (accessor1.BodyOrExpressionBody() == null)
{
return;
}
AccessorDeclarationSyntax accessor2 = accessors[1];
if (accessor2.BodyOrExpressionBody() == null)
{
return;
}
SyntaxTriviaList trailingTrivia = accessor1.GetTrailingTrivia();
if (!SyntaxTriviaAnalysis.IsOptionalWhitespaceThenOptionalSingleLineCommentThenEndOfLineTrivia(trailingTrivia))
{
return;
}
SyntaxTriviaList leadingTrivia = accessor2.GetLeadingTrivia();
bool isEmptyLine = SyntaxTriviaAnalysis.StartsWithOptionalWhitespaceThenEndOfLineTrivia(leadingTrivia);
if (accessorList.SyntaxTree.IsSingleLineSpan(accessor1.Span, context.CancellationToken) &&
accessorList.SyntaxTree.IsSingleLineSpan(accessor2.Span, context.CancellationToken))
{
if (DiagnosticRules.BlankLineBetweenSingleLineAccessors.IsEffective(context))
{
BlankLineStyle style = context.GetBlankLineBetweenSingleLineAccessors();
if (isEmptyLine)
{
if (style == BlankLineStyle.Remove)
{
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.BlankLineBetweenSingleLineAccessors,
Location.Create(context.Node.SyntaxTree, leadingTrivia[0].Span.WithLength(0)),
properties: DiagnosticProperties.AnalyzerOption_Invert,
"Remove");
}
}
else if (style == BlankLineStyle.Add)
{
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticRules.BlankLineBetweenSingleLineAccessors,
Location.Create(context.Node.SyntaxTree, trailingTrivia.Last().Span.WithLength(0)),
"Add");
}
}
}
else if (!isEmptyLine)
{
DiagnosticHelpers.ReportDiagnosticIfEffective(
context,
DiagnosticRules.AddBlankLineBetweenAccessors,
Location.Create(context.Node.SyntaxTree, trailingTrivia.Last().Span.WithLength(0)));
}
}
