Welcome to the Lounge

aast.visibility = "internal";
useUnicode = true;
int cardinality = (!useUnicode ? asciiCardinality : unicodeCardinality);
if (targetSymCardinality == notSet || targetSymCardinality == cardinality)
	targetSymCardinality = cardinality;

if (useUnicode)
{
	charClasses = true;
	if (!compressMapExplicit)
		compressMap = true;
}
//parser.Parse();
var lc = LexContext.Create(input);
var rules = _ParseRules(aast, sbuf, lc);
_FillRuleIds(rules);
_FixRules(rules);
// add an error rule
var str = ".return -1;";
var buf = new StringBuffer(str);
LexSpan ls = new LexSpan(1, 0, 1, 0, 0, 1, buf);
LexSpan las = new LexSpan(1, 1, 1, str.Length, 1, str.Length, buf);
RuleDesc desc = new RuleDesc(ls, las, new List<StartState>(), false);
desc.useCount = 1;
aast.ruleList.Add(desc);
desc.ParseRE(aast);
aast.FixupBarActions();