internal RegExTree Parse()
{
try {
RegExTree tmp;
scan();
tmp = RegEx();
return tmp;
} catch (RegExException x) {
x.ListError(parent.hdlr, this.span);
return null;
}
catch (StringInterpretException x)
{
parent.hdlr.ListError(this.span, 99, x.Key);
return null;
}
}