+ | otherwise = readGEnv $ \env -> lookupNameEnv (global_tycons env) (tyConName tc)
+
+defTyCon :: TyCon -> TyCon -> VM ()
+defTyCon tc tc' = updGEnv $ \env ->
+ env { global_tycons = extendNameEnv (global_tycons env) (tyConName tc) tc' }
+
+lookupDataCon :: DataCon -> VM (Maybe DataCon)
+lookupDataCon dc
+ | isTupleTyCon (dataConTyCon dc) = return (Just dc)
+ | otherwise = readGEnv $ \env -> lookupNameEnv (global_datacons env) (dataConName dc)
+
+defDataCon :: DataCon -> DataCon -> VM ()
+defDataCon dc dc' = updGEnv $ \env ->
+ env { global_datacons = extendNameEnv (global_datacons env) (dataConName dc) dc' }
+
+lookupPrimPArray :: TyCon -> VM (Maybe TyCon)
+lookupPrimPArray = liftDs . primPArray
+
+lookupPrimMethod :: TyCon -> String -> VM (Maybe Var)
+lookupPrimMethod tycon = liftDs . primMethod tycon
+
+lookupTyConPA :: TyCon -> VM (Maybe Var)
+lookupTyConPA tc = readGEnv $ \env -> lookupNameEnv (global_pa_funs env) (tyConName tc)
+
+defTyConPA :: TyCon -> Var -> VM ()
+defTyConPA tc pa = updGEnv $ \env ->
+ env { global_pa_funs = extendNameEnv (global_pa_funs env) (tyConName tc) pa }
+
+defTyConPAs :: [(TyCon, Var)] -> VM ()
+defTyConPAs ps = updGEnv $ \env ->
+ env { global_pa_funs = extendNameEnvList (global_pa_funs env)
+ [(tyConName tc, pa) | (tc, pa) <- ps] }
+
+lookupTyVarPA :: Var -> VM (Maybe CoreExpr)
+lookupTyVarPA tv = readLEnv $ \env -> lookupVarEnv (local_tyvar_pa env) tv
+
+lookupTyConPR :: TyCon -> VM (Maybe Var)
+lookupTyConPR tc = readGEnv $ \env -> lookupNameEnv (global_pr_funs env) (tyConName tc)
+
+lookupBoxedTyCon :: TyCon -> VM (Maybe TyCon)
+lookupBoxedTyCon tc = readGEnv $ \env -> lookupNameEnv (global_boxed_tycons env)
+ (tyConName tc)
+
+defLocalTyVar :: TyVar -> VM ()
+defLocalTyVar tv = updLEnv $ \env ->
+ env { local_tyvars = tv : local_tyvars env
+ , local_tyvar_pa = local_tyvar_pa env `delVarEnv` tv
+ }
+
+defLocalTyVarWithPA :: TyVar -> CoreExpr -> VM ()
+defLocalTyVarWithPA tv pa = updLEnv $ \env ->
+ env { local_tyvars = tv : local_tyvars env
+ , local_tyvar_pa = extendVarEnv (local_tyvar_pa env) tv pa
+ }
+
+localTyVars :: VM [TyVar]
+localTyVars = readLEnv (reverse . local_tyvars)