/// <summary>
/// Helper method used to generate a syntax node on an error condition.
/// </summary>
protected void Error()
{
TextSpan location = new TextSpan(_locationOnError, true);
foreach (LanguageError err in _errors)
{
if (location.CompareTo(err.Location) == 0)
{
YYAbort();
}
}
_errors.Add(new LanguageError(String.Format("Unexpected token: {0}", SymbolToString(_tokenOnError)), location));
_errorOccured = true;
yyerrok();
}
public static bool IsBetween(this TextSpan textSpan, TextSpan startTextSpan, TextSpan endTextSpan)
{
return(textSpan.CompareTo(startTextSpan) > 0 && textSpan.CompareTo(endTextSpan) < 0);
}
public static bool IsAfter(this TextSpan textSpan, TextSpan otherTextSpan)
{
return(textSpan.CompareTo(otherTextSpan) > 0);
}
