private static SyntaxNode GetEnclosingCodeElementNode(Document document, SyntaxToken token, ICodeLensDisplayInfoService langServices, CancellationToken cancellationToken)
{
var syntaxFactsService = document.GetLanguageService <ISyntaxFactsService>();
var node = token.Parent;
while (node != null)
{
cancellationToken.ThrowIfCancellationRequested();
if (syntaxFactsService.IsDocumentationComment(node))
{
var structuredTriviaSyntax = (IStructuredTriviaSyntax)node;
var parentTrivia = structuredTriviaSyntax.ParentTrivia;
node = parentTrivia.Token.Parent;
}
else if (syntaxFactsService.IsDeclaration(node) ||
syntaxFactsService.IsUsingOrExternOrImport(node) ||
syntaxFactsService.IsGlobalAttribute(node))
{
break;
}
else
{
node = node.Parent;
}
}
if (node == null)
{
node = token.Parent;
}
return(langServices.GetDisplayNode(node));
}
private static SyntaxNode GetEnclosingCodeElementNode(Document document, SyntaxToken token, ICodeLensDisplayInfoService langServices)
{
var syntaxFactsService = document.GetLanguageService<ISyntaxFactsService>();
var node = token.Parent;
while (node != null)
{
if (syntaxFactsService.IsDocumentationComment(node))
{
var structuredTriviaSyntax = (IStructuredTriviaSyntax)node;
var parentTrivia = structuredTriviaSyntax.ParentTrivia;
node = parentTrivia.Token.Parent;
}
else if (syntaxFactsService.IsDeclaration(node) ||
syntaxFactsService.IsUsingOrExternOrImport(node) ||
syntaxFactsService.IsGlobalAttribute(node))
{
break;
}
else
{
node = node.Parent;
}
}
if (node == null)
{
node = token.Parent;
}
return langServices.GetDisplayNode(node);
}
