func (l *Local) Eval(s *rt.Scope) rt.Value {
oid, found, _ := s.Lookup(l.Value)
if !found {
switch l.Value {
case "false":
return rt.FALSE
case "true":
return rt.TRUE
default:
return rt.NIL
}
}
obj := rt.RT.Heap.Lookup(oid)
switch obj.(type) {
case *rt.Object:
obj.(*rt.Object).ID = oid
}
return obj
}
func (a *Assign) Eval(s *rt.Scope) rt.Value {
value := a.Expr.Visit(s)
s.Insert(a.Target, value.OID())
return value
}