public override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out SyntaxNode node, predicate: f => f.IsKind(SyntaxKind.CastExpression, SyntaxKind.InvocationExpression)))
{
return;
}
switch (node.Kind())
{
case SyntaxKind.CastExpression:
{
CodeAction codeAction = CodeAction.Create(
"Remove redundant cast",
cancellationToken => RemoveRedundantCastRefactoring.RefactorAsync(context.Document, (CastExpressionSyntax)node, cancellationToken),
GetEquivalenceKey(DiagnosticIdentifiers.RemoveRedundantCast));
context.RegisterCodeFix(codeAction, context.Diagnostics);
break;
}
case SyntaxKind.InvocationExpression:
{
CodeAction codeAction = CodeAction.Create(
"Remove redundant cast",
cancellationToken => RemoveRedundantCastRefactoring.RefactorAsync(context.Document, (InvocationExpressionSyntax)node, cancellationToken),
GetEquivalenceKey(DiagnosticIdentifiers.RemoveRedundantCast));
context.RegisterCodeFix(codeAction, context.Diagnostics);
break;
}
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
SyntaxNode node = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf(f => f.IsKind(SyntaxKind.CastExpression, SyntaxKind.InvocationExpression));
Debug.Assert(node != null, $"{nameof(node)} is null");
if (node == null)
{
return;
}
switch (node.Kind())
{
case SyntaxKind.CastExpression:
{
CodeAction codeAction = CodeAction.Create(
"Remove redundant cast",
cancellationToken => RemoveRedundantCastRefactoring.RefactorAsync(context.Document, (CastExpressionSyntax)node, cancellationToken),
DiagnosticIdentifiers.RemoveRedundantCast + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
break;
}
case SyntaxKind.InvocationExpression:
{
CodeAction codeAction = CodeAction.Create(
"Remove redundant cast",
cancellationToken => RemoveRedundantCastRefactoring.RefactorAsync(context.Document, (InvocationExpressionSyntax)node, cancellationToken),
DiagnosticIdentifiers.RemoveRedundantCast + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
break;
}
}
}