private static void AnalyzeRegionDirective(SyntaxNodeAnalysisContext context)
{
var regionDirective = (RegionDirectiveTriviaSyntax)context.Node;
RegionInfo region = SyntaxInfo.RegionInfo(regionDirective);
if (!region.Success)
{
return;
}
if (!region.IsEmpty)
{
return;
}
DiagnosticHelpers.ReportDiagnostic(
context,
DiagnosticDescriptors.RemoveEmptyRegion,
regionDirective.GetLocation(),
additionalLocations: ImmutableArray.Create(region.EndDirective.GetLocation()));
DiagnosticHelpers.ReportDiagnostic(context, DiagnosticDescriptors.RemoveEmptyRegionFadeOut, regionDirective.GetLocation());
DiagnosticHelpers.ReportDiagnostic(context, DiagnosticDescriptors.RemoveEmptyRegionFadeOut, region.EndDirective.GetLocation());
}
public static void ComputeRefactorings(RefactoringContext context, EndRegionDirectiveTriviaSyntax endRegionDirective)
{
if (context.IsRefactoringEnabled(RefactoringIdentifiers.RemoveRegion) &&
context.IsRootCompilationUnit)
{
RegionInfo region = SyntaxInfo.RegionInfo(endRegionDirective);
if (region.Success)
{
context.RegisterRefactoring(
"Remove region",
cancellationToken => context.Document.RemoveRegionAsync(region, cancellationToken));
}
}
}
public static void ComputeRefactorings(RefactoringContext context, RegionDirectiveTriviaSyntax regionDirective)
{
if (context.IsRefactoringEnabled(RefactoringDescriptors.RemoveRegion) &&
context.IsRootCompilationUnit)
{
RegionInfo region = SyntaxInfo.RegionInfo(regionDirective);
if (region.Success)
{
context.RegisterRefactoring(
"Remove region",
ct => context.Document.RemoveRegionAsync(region, ct),
RefactoringDescriptors.RemoveRegion);
}
}
}
public override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out RegionDirectiveTriviaSyntax regionDirective, findInsideTrivia: true))
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Remove empty region",
ct => RemoveEmptyRegionRefactoring.RefactorAsync(context.Document, SyntaxInfo.RegionInfo(regionDirective), ct),
GetEquivalenceKey(DiagnosticIdentifiers.RemoveEmptyRegion));
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
