private static async Task <Document> ExpandAsync(Document document, ISyntaxExpander expander, CancellationToken cancellationToken)
{
var semanticModel = await document.GetSemanticModelAsync(cancellationToken);
var workspace = document.Project.Solution.Workspace;
var root = await document.GetSyntaxRootAsync(cancellationToken);
try {
var filteredNodes = root.DescendantNodes(n => expander.ShouldExpandWithinNode(n, root, semanticModel))
.Where(n => expander.ShouldExpandNode(n, root, semanticModel));
var newRoot = root.ReplaceNodes(filteredNodes,
(node, rewrittenNode) => TryExpandNode(expander, node, root, semanticModel, workspace, cancellationToken)
);
return(document.WithSyntaxRoot(newRoot));
} catch (Exception ex) {
var warningText = "Conversion warning: Name qualification failed for this file. " + ex;
return(document.WithSyntaxRoot(WithWarningAnnotation(root, warningText)));
}
}
