void Restriction(out ActionRestrictions ar)
{
ar = null; ChannelRestrictions res = new ChannelRestrictions();
Expect(24);
if (la.kind == 3) {
Get();
res.Add(t.val); SetPos(res, t); res.ParenCount = 0; ar = res;
} else if (la.kind == 25) {
Get();
res.ParenCount = 1;
Expect(3);
res.Add(t.val); SetPos(res, t);
while (la.kind == 11) {
Get();
Expect(3);
res.Add(t.val);
}
Expect(26);
ar = res;
} else if (la.kind == 6) {
Get();
ar = new CustomRestrictions(t.val.Replace(":", "")); SetPos(ar, t);
} else SynErr(45);
}
//ActionHandling
public virtual void Visit(ActionRestrictions restrictions)
{
}
public virtual string Format(ActionRestrictions res)
{
if (res.HasParens) {
return " \\{" + Join(", ", res) + '}';
} else if (res.Count == 1 && !res.HasParens) {
return " \\" + res[0];
} else if (res.Count == 0) {
return "";
} else {
throw new Exception("Should never happen!");
}
}