/// <remarks>These are tidied up so we can add as many GlobalImports as we want when building compilations</remarks>
private CSharpSyntaxNode TidyUsings(CSharpSyntaxNode root)
{
var diagnostics = _semanticModel.GetDiagnostics().ToList();
var unusedUsings = diagnostics
.Where(d => d.Id == UnusedUsingDiagnosticId)
.Select(d => root.FindNode(d.Location.SourceSpan))
.OfType <UsingDirectiveSyntax>()
.ToList();
var nodesWithUnresolvedTypes = diagnostics
.Where(d => d.Id == UnresolvedTypeOrNamespaceDiagnosticId && d.Location.IsInSource)
.Select(d => root.FindNode(d.Location.SourceSpan))
.ToLookup(d => d.GetAncestor <UsingDirectiveSyntax>());
unusedUsings = unusedUsings.Except(nodesWithUnresolvedTypes.Select(g => g.Key)).ToList();
if (nodesWithUnresolvedTypes[null].Any() || !unusedUsings.Any())
{
return(root);
}
root = root.RemoveNodes(unusedUsings, SyntaxRemoveOptions.KeepNoTrivia);
var firstChild = root.ChildNodes().FirstOrDefault();
if (firstChild != null)
{
root = root.ReplaceNode(firstChild,
firstChild.WithLeadingTrivia(firstChild.GetLeadingTrivia()
.SkipWhile(t => t.IsWhitespaceTrivia())));
}
return(root);
}
/// <remarks>These are tidied up so we can add as many GlobalImports as we want when building compilations</remarks>
private CSharpSyntaxNode TidyUsings(CSharpSyntaxNode root)
{
var diagnostics = _semanticModel.GetDiagnostics().ToList();
var unusedUsings = diagnostics
.Where(d => d.Id == UnusedUsingDiagnosticId)
.Select(d => root.FindNode(d.Location.SourceSpan))
.OfType <UsingDirectiveSyntax>()
.ToList();
var nodesWithUnresolvedTypes = diagnostics
.Where(d => d.Id == UnresolvedTypeOrNamespaceDiagnosticId && d.Location.IsInSource)
.Select(d => root.FindNode(d.Location.SourceSpan))
.ToLookup(d => d.GetAncestor <UsingDirectiveSyntax>());
unusedUsings = unusedUsings.Except(nodesWithUnresolvedTypes.Select(g => g.Key)).ToList();
if (nodesWithUnresolvedTypes[null].Any() || !unusedUsings.Any())
{
return(root);
}
return(root.RemoveNodes(unusedUsings, SyntaxRemoveOptions.KeepNoTrivia));
}
