public ScanLiteral(string literal)
{
this.IsLiteral = true;
this.literal = literal;
this.pattern = ScannerUtils.Escape(literal);
this.regexPattern = Regex.Escape(literal);
}
// TODO: Logic should not be present in attribute constructor
public LiteralAttribute(string text, Disambiguation disambiguation = Disambiguation.Exclusive)
{
base.LiteralText = text;
base.Disambiguation = disambiguation;
// Look-ahead is needed because .net Regex does not select longest match but the first alternative.
this.RegexPattern = Regex.Escape(text);
if (text != "(" && text != ")")
{
this.RegexPattern += @"(?=[ \t\(\)"";]|$)";
}
this.Pattern = ScannerUtils.Escape(text);
}