private void AnalyzeAnonymousMethod(SyntaxNodeAnalysisContext context)
{
var anonymousMethod = (AnonymousMethodExpressionSyntax)context.Node;
if (UseLambdaExpressionInsteadOfAnonymousMethodRefactoring.CanRefactor(anonymousMethod))
{
context.ReportDiagnostic(
DiagnosticDescriptors.UseLambdaExpressionInsteadOfAnonymousMethod,
anonymousMethod);
FadeOut(context, anonymousMethod);
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out AnonymousMethodExpressionSyntax anonymousMethod))
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Use lambda expression instead of anonymous method",
cancellationToken => UseLambdaExpressionInsteadOfAnonymousMethodRefactoring.RefactorAsync(context.Document, anonymousMethod, cancellationToken),
GetEquivalenceKey(DiagnosticIdentifiers.UseLambdaExpressionInsteadOfAnonymousMethod));
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
AnonymousMethodExpressionSyntax anonymousMethod = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <AnonymousMethodExpressionSyntax>();
if (anonymousMethod == null)
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Use lambda expression instead of anonymous method",
cancellationToken => UseLambdaExpressionInsteadOfAnonymousMethodRefactoring.RefactorAsync(context.Document, anonymousMethod, cancellationToken),
DiagnosticIdentifiers.UseLambdaExpressionInsteadOfAnonymousMethod + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
