public void Assign(string name, int prec, AssocType assoc, bool user)
{
AssocGroup fixType = GetFixType(assoc);
od = triplet[(int)fixType];
od.Name = (name == "','") ? "," : name;
od.Prec = prec;
od.Assoc = assoc;
od.User = user;
od.IsInfix = (fixType == AssocGroup.Infix);
od.IsPrefix = (fixType == AssocGroup.Prefix);
od.IsPostfix = (fixType == AssocGroup.Postfix);
od.LeftRelOp = (assoc == AssocType.yfx || assoc == AssocType.fy || assoc == AssocType.yf)
? RelOp.LE
: RelOp.LT;
od.RightRelOp = (assoc == AssocType.xfy || assoc == AssocType.fy || assoc == AssocType.yf)
? RelOp.LE
: RelOp.LT;
// An operator can be either prefix or postfix, but not both. In addition, it can be infix.
if (fixType == AssocGroup.Prefix)
{
triplet[(int)AssocGroup.Postfix].Undefine();
}
else if (fixType == AssocGroup.Postfix)
{
triplet[(int)AssocGroup.Prefix].Undefine();
}
}
public void Unassign(string name, AssocType assoc)
{
AssocGroup fixType = GetFixType(assoc);
od = triplet[(int)fixType];
if (od == null || od.Assoc == AssocType.None)
{
IO.Error("Operator '{0}' does not have an association type '{1}'", name, assoc);
}
triplet[(int)fixType].Undefine();
}
