private async static Task <Document> MakeStringInterpolationAsync(Document document, Diagnostic diagnostic, CancellationToken cancellationToken)
{
var root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var invocationExpression = root.FindToken(diagnostic.Location.SourceSpan.Start).Parent.AncestorsAndSelf().OfType <InvocationExpressionSyntax>().First();
var newStringInterpolation = StringFormatCodeFixProvider.CreateNewStringInterpolation(invocationExpression);
var newArgumentList = SyntaxFactory.ArgumentList(SyntaxFactory.SeparatedList <ArgumentSyntax>().Add(SyntaxFactory.Argument(newStringInterpolation)));
var newRoot = root.ReplaceNode(invocationExpression.ArgumentList, newArgumentList);
var newDocument = document.WithSyntaxRoot(newRoot);
return(newDocument);
}
private async static Task <SyntaxNode> GetFixedDocumentAsync(FixAllContext fixAllContext, Document document)
{
var diagnostics = await fixAllContext.GetDocumentDiagnosticsAsync(document).ConfigureAwait(false);
var root = await document.GetSyntaxRootAsync(fixAllContext.CancellationToken).ConfigureAwait(false);
var nodes = diagnostics.Select(d => root.FindNode(d.Location.SourceSpan, getInnermostNodeForTie: true).FirstAncestorOrSelfOfType <InvocationExpressionSyntax>()).Where(n => !n.IsMissing).ToList();
var newRoot = root.ReplaceNodes(nodes, (original, rewritten) => rewritten.WithAdditionalAnnotations(stringFormatAnnotation));
while (true)
{
var annotatedNodes = newRoot.GetAnnotatedNodes(stringFormatAnnotation);
var node = annotatedNodes.FirstOrDefault();
if (node == null)
{
break;
}
newRoot = StringFormatCodeFixProvider.CreateNewStringInterpolation(newRoot, (InvocationExpressionSyntax)node);
}
return(newRoot);
}