public override void Initialize(AnalysisContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
base.Initialize(context);
context.RegisterSyntaxNodeAction(
f => SimplifyLambdaExpressionParameterListRefactoring.AnalyzeParenthesizedLambdaExpression(f),
SyntaxKind.ParenthesizedLambdaExpression);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out ParenthesizedLambdaExpressionSyntax lambda))
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Simplify lambda expression parameter list",
cancellationToken => SimplifyLambdaExpressionParameterListRefactoring.RefactorAsync(context.Document, lambda, cancellationToken),
GetEquivalenceKey(DiagnosticIdentifiers.SimplifyLambdaExpressionParameterList));
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
ParenthesizedLambdaExpressionSyntax lambda = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <ParenthesizedLambdaExpressionSyntax>();
if (lambda == null)
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Simplify lambda expression parameter list",
cancellationToken => SimplifyLambdaExpressionParameterListRefactoring.RefactorAsync(context.Document, lambda, cancellationToken),
DiagnosticIdentifiers.SimplifyLambdaExpressionParameterList + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
private void Analyze(SyntaxNodeAnalysisContext context)
{
var lambda = (ParenthesizedLambdaExpressionSyntax)context.Node;
SimplifyLambdaExpressionParameterListRefactoring.Analyze(context, lambda);
}
