\section[Specialise]{Stamping out overloading, and (optionally) polymorphism}
\begin{code}
-module Specialise (
- specProgram,
- idSpecVars
- ) where
+module Specialise ( specProgram ) where
#include "HsVersions.h"
Succeeded spec_env' -> (spec_env', errs)
Failed err -> (spec_env, err:errs)
--- Given an Id, isSpecVars returns all its specialisations.
--- We extract these from its SpecEnv.
--- This is used by the occurrence analyser and free-var finder;
--- we regard an Id's specialisations as free in the Id's definition.
-
-idSpecVars :: Id -> [Id]
-idSpecVars id
- = map get_spec (specEnvValues (getIdSpecialisation id))
- where
- -- get_spec is another cheapo function like dictRhsFVs
- -- It knows what these specialisation temlates look like,
- -- and just goes for the jugular
- get_spec (App f _) = get_spec f
- get_spec (Lam _ b) = get_spec b
- get_spec (Var v) = v
-
----------------------------------------
type SpecM a = UniqSM a