private List <SymbolDisplayPart> MergeClassifiedSpans(
List <ClassifiedSpan> syntaxSpans, List <ClassifiedSpan> semanticSpans,
TextSpan widenedSpan, SourceText sourceText)
{
// The spans produced by the language services may not be ordered
// (indeed, this happens with semantic classification as different
// providers produce different results in an arbitrary order). Order
// them first before proceeding.
Order(syntaxSpans);
Order(semanticSpans);
// Produce SymbolDisplayParts for both sets of ClassifiedSpans. This will
// also produce parts for the regions between the sections that the classifiers
// returned results for (i.e. for things like spaces and plain text).
var syntaxParts = Classifier.ConvertClassifications(
sourceText, widenedSpan.Start, syntaxSpans, insertSourceTextInGaps: true);
var semanticParts = Classifier.ConvertClassifications(
sourceText, widenedSpan.Start, semanticSpans, insertSourceTextInGaps: true);
// Now merge the lists together, taking all the results from syntaxParts
// unless they were overridden by results in semanticParts.
return(MergeParts(syntaxParts, semanticParts));
}