public static void Analyze(SyntaxNodeAnalysisContext context, RegionDirectiveTriviaSyntax region)
{
if (region.IsKind(SyntaxKind.RegionDirectiveTrivia))
{
List <DirectiveTriviaSyntax> relatedDirectives = region.GetRelatedDirectives();
if (relatedDirectives.Count == 2 &&
relatedDirectives[1].IsKind(SyntaxKind.EndRegionDirectiveTrivia))
{
DirectiveTriviaSyntax endRegion = relatedDirectives[1];
if (endRegion.IsKind(SyntaxKind.EndRegionDirectiveTrivia))
{
SyntaxTrivia trivia = region.ParentTrivia;
SyntaxTriviaList list = trivia.GetContainingList();
if (list.Any())
{
EndRegionDirectiveTriviaSyntax endRegion2 = FindEndRegion(list, list.IndexOf(trivia));
if (endRegion == endRegion2)
{
context.ReportDiagnostic(
DiagnosticDescriptors.RemoveEmptyRegion,
region.GetLocation(),
endRegion.GetLocation());
}
}
}
}
}
}
private static void HandleRegionDirectiveTrivia(SyntaxNodeAnalysisContext context)
{
RegionDirectiveTriviaSyntax regionSyntax = (RegionDirectiveTriviaSyntax)context.Node;
if (IsCompletelyContainedInBody(regionSyntax))
{
// Region must not be located within a code element.
context.ReportDiagnostic(Diagnostic.Create(Descriptor, regionSyntax.GetLocation()));
}
}
private void HandleRegionDirectiveTrivia(SyntaxNodeAnalysisContext context)
{
RegionDirectiveTriviaSyntax regionSyntax = context.Node as RegionDirectiveTriviaSyntax;
// regions that are completely inside a body are handled by SA1123.
if (regionSyntax != null && !SA1123DoNotPlaceRegionsWithinElements.IsCompletelyContainedInBody(regionSyntax))
{
// Regions must not be used.
context.ReportDiagnostic(Diagnostic.Create(Descriptor, regionSyntax.GetLocation()));
}
}