public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document
.GetSyntaxRootAsync(context.CancellationToken)
.ConfigureAwait(false);
CompilationUnitSyntax compilationUnit = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <CompilationUnitSyntax>();
foreach (Diagnostic diagnostic in context.Diagnostics)
{
switch (diagnostic.Id)
{
case DiagnosticIdentifiers.AddCodeFileHeader:
{
CodeAction codeAction = CodeAction.Create(
"Add code file header",
cancellationToken => AddCodeFileHeaderRefactoring.RefactorAsync(context.Document, compilationUnit, cancellationToken),
DiagnosticIdentifiers.AddCodeFileHeader);
context.RegisterCodeFix(codeAction, diagnostic);
break;
}
}
}
}
private void AnalyzeCompilationUnit(SyntaxNodeAnalysisContext context)
{
var compilationUnit = (CompilationUnitSyntax)context.Node;
if (AddCodeFileHeaderRefactoring.CanRefactor(compilationUnit))
{
Location location = Location.Create(
compilationUnit.SyntaxTree,
new TextSpan(compilationUnit.FullSpan.Start, 0));
context.ReportDiagnostic(
DiagnosticDescriptors.AddCodeFileHeader,
location);
}
}
