private bool IsMultipleLines(TextSpan textSpan)
{
var start = _sourceText.GetLineFromPosition(textSpan.Start);
var end = _sourceText.GetLineFromPosition(textSpan.End);
return(start.LineNumber != end.LineNumber);
}
private TextSpan GetDiagnosticSpanForMissingToken()
{
if (_tokenIndex > 0)
{
var previousToken = _tokens[_tokenIndex - 1];
var previousTokenLine = _text.GetLineFromPosition(previousToken.Span.End);
var currentTokenLine = _text.GetLineFromPosition(Current.Span.Start);
if (currentTokenLine != previousTokenLine)
{
return(new TextSpan(previousToken.Span.End, 2));
}
}
return(Current.Span);
}
public static int ToOffset(this SourceText text, int position)
{
var textLine = text.GetLineFromPosition(position);
var line = textLine.LineNumber;
var delta = Enumerable.Range(0, line).Select(i => text.Lines[i].LineBreakLength - 1).Sum();
var offset = position - delta;
return(offset);
}