private void ShowErrors(IDocument document)
{
var errors = GetErrors().ToArray();
var semanticErrors = errors
.Where(n => n.Tag == "semantic")
.SelectMany(n => n.TokensOnError.Select(m => (m.InStringPosition, m.InStringPosition + m.Name.Length - 1)))
.ToArray();
var syntaxErrors = errors
.Where(n => n.Tag == "syntax")
.SelectMany(n => n.TokensOnError.Select(m => (m.InStringPosition, m.InStringPosition + m.Name.Length - 1)))
.ToArray();
var lexicalErrors = errors
.Where(n => n.Tag == "lexical")
.SelectMany(n => n.TokensOnError.Select(m => (m.InStringPosition, m.InStringPosition + m.Name.Length - 1)))
.ToArray();
document.ResetHighlight();
//document.ResetFormat();
document.ApplyHighlight(semanticErrors, new[] { Semantic }, Brushes.GreenYellow);
document.ApplyHighlight(syntaxErrors, new[] { Syntax }, Brushes.OrangeRed);
document.ApplyHighlight(lexicalErrors, new[] { Lexical }, Brushes.Violet);
mainWindow.ErrorPanel.ReplaceErrors(document, errors);
}