public static void Analyze(SyntaxNodeAnalysisContext context, AccessorListSyntax accessorList)
{
if (accessorList.Accessors.Any(f => f.Body != null))
{
if (accessorList.IsSingleLine(includeExteriorTrivia: false))
{
context.ReportDiagnostic(DiagnosticDescriptor, accessorList.GetLocation());
}
else
{
foreach (AccessorDeclarationSyntax accessor in accessorList.Accessors)
{
if (ShouldBeFormatted(accessor))
{
context.ReportDiagnostic(DiagnosticDescriptor, accessor.GetLocation());
}
}
}
}
else if (accessorList.IsParentKind(SyntaxKind.PropertyDeclaration) &&
accessorList.Accessors.All(f => f.AttributeLists.Count == 0) &&
!accessorList.IsSingleLine(includeExteriorTrivia: false))
{
var propertyDeclaration = (PropertyDeclarationSyntax)accessorList.Parent;
if (!propertyDeclaration.Identifier.IsMissing &&
!accessorList.CloseBraceToken.IsMissing)
{
TextSpan span = TextSpan.FromBounds(
propertyDeclaration.Identifier.Span.End,
accessorList.CloseBraceToken.Span.Start);
if (propertyDeclaration
.DescendantTrivia(span)
.All(f => f.IsWhitespaceOrEndOfLineTrivia()))
{
context.ReportDiagnostic(DiagnosticDescriptor, accessorList.GetLocation());
}
}
}
}
private static void ReportDiagnostic(SyntaxNodeAnalysisContext context, AccessorListSyntax accessorList, ExpressionSyntax expression)
{
context.ReportDiagnostic(
DiagnosticDescriptors.UseExpressionBodiedMember,
accessorList.GetLocation());
SyntaxNode parent = expression.Parent;
if (parent.IsKind(SyntaxKind.ReturnStatement))
{
context.FadeOutToken(FadeOutDescriptor, ((ReturnStatementSyntax)parent).ReturnKeyword);
}
context.FadeOutBraces(FadeOutDescriptor, accessorList);
}
private static void Analyze(SyntaxNodeAnalysisContext context)
{
PropertyDeclarationSyntax node = (PropertyDeclarationSyntax)context.Node;
AccessorListSyntax accessors = node.AccessorList;
if (accessors is null)
{
return;
}
int getIndex = -1;
int setIndex = int.MaxValue;
for (int i = 0; i < accessors.Accessors.Count; i++)
{
var accessor = accessors.Accessors[i];
if (accessor.Keyword.IsKind(SyntaxKind.GetKeyword))
{
getIndex = i;
continue;
}
// SyntaxKind.InitKeyword doesn't exist in the currently used version of Roslyn (it exists in at least 3.9.0)
if (accessor.Keyword.IsKind(SyntaxKind.SetKeyword) || accessor.Keyword.Text == "init")
{
setIndex = i;
continue;
}
}
if (setIndex < getIndex)
{
context.ReportDiagnostic(Diagnostic.Create(Rule, accessors.GetLocation()));
}
//get, set
}
