private static string TryGetDescriptionToTheRight(IDocumentTokenizer tokenizer, ITokenizerResult tokenizerResult, SnapshotPoint tokenEnd)
{
var currentLine = tokenEnd.GetContainingLine();
var currentLineComment = tokenizerResult
.GetTokens(new Span(tokenEnd, currentLine.End - tokenEnd))
.Where(t => tokenizer.IsTypeOf(t.Type, RadAsmTokenType.Comment))
.ToList();
if (currentLineComment.Count == 0)
{
return(null);
}
var text = currentLineComment
.First()
.GetText(tokenEnd.Snapshot);
return(GetCommentText(text));
}
private static string TryGetDescriptionAbove(IDocumentTokenizer tokenizer, ITokenizerResult tokenizerResult, SnapshotPoint tokenEnd)
{
var lines = new LinkedList <string>();
var currentLineNumber = tokenEnd.GetContainingLine().LineNumber - 1;
var snapshot = tokenEnd.Snapshot;
while (currentLineNumber >= 0)
{
var currentLine = snapshot.GetLineFromLineNumber(currentLineNumber);
var currentLineComment = tokenizerResult
.GetTokens(new Span(currentLine.Start, currentLine.Length))
.ToList();
// if there are some other tokens, then the comment ended
if (currentLineComment.Any(t =>
!tokenizer.IsTypeOf(t.Type, RadAsmTokenType.Comment) &&
!tokenizer.IsTypeOf(t.Type, RadAsmTokenType.Whitespace)))
{
break;
}
currentLineComment.RemoveAll(t =>
tokenizer.IsTypeOf(t.Type, RadAsmTokenType.Whitespace));
if (currentLineComment.Count != 1)
{
break;
}
var trackingToken = currentLineComment.First();
var tokenSpan = new SnapshotSpan(snapshot, trackingToken.GetSpan(snapshot));
var tokenText = GetCommentText(tokenSpan.GetText());
lines.AddFirst(tokenText);
currentLineNumber = tokenSpan.Start.GetContainingLine().LineNumber - 1;
}
return(lines.Count != 0
? string.Join(System.Environment.NewLine, lines)
: null);
}