public static async Task <RemoveSuppressionCodeAction> CreateAsync(
SuppressionTargetInfo suppressionTargetInfo,
Document documentOpt,
Project project,
Diagnostic diagnostic,
AbstractSuppressionCodeFixProvider fixer,
CancellationToken cancellationToken)
{
var compilation = await project.GetCompilationAsync(cancellationToken).ConfigureAwait(false);
var attribute = diagnostic.GetSuppressionInfo(compilation).Attribute;
if (attribute != null)
{
return(AttributeRemoveAction.Create(attribute, project, diagnostic, fixer));
}
else if (documentOpt != null && !SuppressionHelpers.IsSynthesizedExternalSourceDiagnostic(diagnostic))
{
return(PragmaRemoveAction.Create(suppressionTargetInfo, documentOpt, diagnostic, fixer));
}
else
{
return(null);
}
}
private async Task <ImmutableArray <CodeFix> > GetSuppressionsAsync(
Document documentOpt, Project project, IEnumerable <Diagnostic> diagnostics, SuppressionTargetInfo suppressionTargetInfo, bool skipSuppressMessage, bool skipUnsuppress, CancellationToken cancellationToken)
{
// We only care about diagnostics that can be suppressed/unsuppressed.
diagnostics = diagnostics.Where(CanBeSuppressedOrUnsuppressed);
if (diagnostics.IsEmpty())
{
return(ImmutableArray <CodeFix> .Empty);
}
if (!skipSuppressMessage)
{
var compilation = await project.GetCompilationAsync(cancellationToken).ConfigureAwait(false);
var suppressMessageAttribute = compilation.SuppressMessageAttributeType();
skipSuppressMessage = suppressMessageAttribute == null || !suppressMessageAttribute.IsAttribute();
}
var result = ArrayBuilder <CodeFix> .GetInstance();
foreach (var diagnostic in diagnostics)
{
if (!diagnostic.IsSuppressed)
{
var nestedActions = ArrayBuilder <NestedSuppressionCodeAction> .GetInstance();
if (diagnostic.Location.IsInSource && documentOpt != null)
{
// pragma warning disable.
nestedActions.Add(PragmaWarningCodeAction.Create(suppressionTargetInfo, documentOpt, diagnostic, this));
}
// SuppressMessageAttribute suppression is not supported for compiler diagnostics.
if (!skipSuppressMessage && !SuppressionHelpers.IsCompilerDiagnostic(diagnostic))
{
// global assembly-level suppress message attribute.
nestedActions.Add(new GlobalSuppressMessageCodeAction(suppressionTargetInfo.TargetSymbol, project, diagnostic, this));
}
if (nestedActions.Count > 0)
{
var codeAction = new TopLevelSuppressionCodeAction(
diagnostic, nestedActions.ToImmutableAndFree());
result.Add(new CodeFix(project, codeAction, diagnostic));
}
}
else if (!skipUnsuppress)
{
var codeAction = await RemoveSuppressionCodeAction.CreateAsync(suppressionTargetInfo, documentOpt, project, diagnostic, this, cancellationToken).ConfigureAwait(false);
if (codeAction != null)
{
result.Add(new CodeFix(project, codeAction, diagnostic));
}
}
}
return(result.ToImmutableAndFree());
}
public bool CanBeSuppressedOrUnsuppressed(Diagnostic diagnostic)
{
return(SuppressionHelpers.CanBeSuppressed(diagnostic) || SuppressionHelpers.CanBeUnsuppressed(diagnostic));
}