Add external functions called during reduction

[hcoop/domtool2.git] / src / domain.sml

diff --git a/src/domain.sml b/src/domain.sml
index 85dcd67..8020ee4 100644 (file)
--- a/src/domain.sml
+++ b/src/domain.sml
@@ -223,8 +223,11 @@ datatype master =
         ExternalMaster of string
        | InternalMaster of string
 
         ExternalMaster of string
        | InternalMaster of string
 

-val ip = fn (EApp ((EVar "ip_of_node", _), e), _) => Option.map nodeIp (Env.string e)
-         | e => Env.string e
+val ip = Env.string
+
+val _ = Env.registerFunction ("ip_of_node",
+                             fn [(EString node, _)] => SOME (EString (nodeIp node), dl)
+                              | _ => NONE)

 
 val master = fn (EApp ((EVar "externalMaster", _), e), _) => Option.map ExternalMaster (ip e)
              | (EApp ((EVar "internalMaster", _), e), _) => Option.map InternalMaster (Env.string e)
 
 val master = fn (EApp ((EVar "externalMaster", _), e), _) => Option.map ExternalMaster (ip e)
              | (EApp ((EVar "internalMaster", _), e), _) => Option.map InternalMaster (Env.string e)