public override void Initialize(AnalysisContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
base.Initialize(context);
context.RegisterSyntaxNodeAction(
f => RemoveEmptyStatementRefactoring.AnalyzeEmptyStatement(f),
SyntaxKind.EmptyStatement);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out EmptyStatementSyntax emptyStatement))
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Remove empty statement",
cancellationToken => RemoveEmptyStatementRefactoring.RefactorAsync(context.Document, emptyStatement, cancellationToken),
GetEquivalenceKey(DiagnosticIdentifiers.RemoveEmptyStatement));
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
EmptyStatementSyntax emptyStatement = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <EmptyStatementSyntax>();
if (emptyStatement == null)
{
return;
}
CodeAction codeAction = CodeAction.Create(
"Remove empty statement",
cancellationToken => RemoveEmptyStatementRefactoring.RefactorAsync(context.Document, emptyStatement, cancellationToken),
DiagnosticIdentifiers.RemoveEmptyStatement + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
private void AnalyzeSyntaxNode(SyntaxNodeAnalysisContext context)
{
SyntaxNode emptyStatement = context.Node;
RemoveEmptyStatementRefactoring.Analyze(context, emptyStatement);
}