private static async Task <Solution> CreateChangedSolutionAsync(AbstractSuppressionCodeFixProvider fixer, Document triggerDocument, ImmutableDictionary <Document, ImmutableArray <Diagnostic> > diagnosticsByDocument, CancellationToken cancellationToken)
{
var currentSolution = triggerDocument.Project.Solution;
foreach (var grouping in diagnosticsByDocument.GroupBy(d => d.Key.Project))
{
var oldProject = grouping.Key;
var currentProject = currentSolution.GetProject(oldProject.Id);
var compilation = await currentProject.GetCompilationAsync(cancellationToken).ConfigureAwait(false);
var supressMessageAttribute = compilation.SuppressMessageAttributeType();
if (supressMessageAttribute != null)
{
var diagnosticsBySymbol = await CreateDiagnosticsBySymbolAsync(fixer, grouping, cancellationToken).ConfigureAwait(false);
if (diagnosticsBySymbol.Any())
{
var projectCodeAction = new GlobalSuppressMessageFixAllCodeAction(fixer, supressMessageAttribute, diagnosticsBySymbol, currentProject);
var newDocument = await projectCodeAction.GetChangedSuppressionDocumentAsync(cancellationToken).ConfigureAwait(false);
currentSolution = newDocument.Project.Solution;
}
}
}
return(currentSolution);
}
private static async Task<Solution> CreateChangedSolutionAsync(AbstractSuppressionCodeFixProvider fixer, Document triggerDocument, ImmutableDictionary<Document, ImmutableArray<Diagnostic>> diagnosticsByDocument, CancellationToken cancellationToken)
{
var currentSolution = triggerDocument.Project.Solution;
foreach (var grouping in diagnosticsByDocument.GroupBy(d => d.Key.Project))
{
var oldProject = grouping.Key;
var currentProject = currentSolution.GetProject(oldProject.Id);
var diagnosticsBySymbol = await CreateDiagnosticsBySymbolAsync(fixer, grouping, cancellationToken).ConfigureAwait(false);
if (diagnosticsBySymbol.Any())
{
var projectCodeAction = new GlobalSuppressMessageFixAllCodeAction(fixer, diagnosticsBySymbol, currentProject);
var newDocument = await projectCodeAction.GetChangedSuppressionDocumentAsync(cancellationToken).ConfigureAwait(false);
currentSolution = newDocument.Project.Solution;
}
}
return currentSolution;
}
private static BoundLambda GuessBestBoundLambda <T>(ImmutableDictionary <T, BoundLambda> candidates)
{
switch (candidates.Count)
{
case 0:
return(null);
case 1:
return(candidates.First().Value);
default:
// Prefer candidates with fewer diagnostics.
IEnumerable <KeyValuePair <T, BoundLambda> > minDiagnosticsGroup = candidates.GroupBy(lambda => lambda.Value.Diagnostics.Length).OrderBy(group => group.Key).First();
// If multiple candidates have the same number of diagnostics, order them by delegate type name.
// It's not great, but it should be stable.
return(minDiagnosticsGroup
.OrderBy(lambda => GetLambdaSortString(lambda.Value.Symbol))
.FirstOrDefault()
.Value);
}
}