public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
UsingStatementSyntax usingStatement = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <UsingStatementSyntax>();
if (usingStatement == null)
{
return;
}
bool isMultiple = usingStatement.Statement
.DescendantNodes()
.Any(f => f.IsKind(SyntaxKind.UsingStatement) && UsingStatementAnalysis.ContainsEmbeddableUsingStatement((UsingStatementSyntax)f));
CodeAction codeAction = CodeAction.Create(
"Remove braces from nested using statement" + ((isMultiple) ? "s" : ""),
cancellationToken =>
{
return(RemoveBracesFromNestedUsingStatementRefactoring.RefactorAsync(
context.Document,
usingStatement,
cancellationToken));
},
DiagnosticIdentifiers.SimplifyNestedUsingStatement + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
private void AnalyzeSyntaxNode(SyntaxNodeAnalysisContext context)
{
if (GeneratedCodeAnalyzer?.IsGeneratedCode(context) == true)
{
return;
}
var usingStatement = (UsingStatementSyntax)context.Node;
if (RemoveBracesFromNestedUsingStatementRefactoring.CanRefactor(usingStatement))
{
var block = (BlockSyntax)usingStatement.Statement;
context.ReportDiagnostic(
DiagnosticDescriptors.SimplifyNestedUsingStatement,
block.GetLocation());
DiagnosticHelper.FadeOutBraces(context, block, DiagnosticDescriptors.SimplifyNestedUsingStatementFadeOut);
}
}
