View patterns, record wildcards, and record puns

[ghc-hetmet.git] / compiler / vectorise / VectMonad.hs

diff --git a/compiler/vectorise/VectMonad.hs b/compiler/vectorise/VectMonad.hs
index 6bc2f4d..92ed3ec 100644 (file)
--- a/compiler/vectorise/VectMonad.hs
+++ b/compiler/vectorise/VectMonad.hs
@@ -1,3 +1,10 @@
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
 module VectMonad (
   Scope(..),
   VM,
@@ -7,8 +14,8 @@ module VectMonad (
   cloneName, cloneId,
   newExportedVar, newLocalVar, newDummyVar, newTyVar,
   
-  Builtins(..),
-  builtin,
+  Builtins(..), sumTyCon, prodTyCon,
+  builtin, builtins,
 
   GlobalEnv(..),
   setFamInstEnv,
@@ -24,6 +31,7 @@ module VectMonad (
   lookupDataCon, defDataCon,
   lookupTyConPA, defTyConPA, defTyConPAs,
   lookupTyConPR,
+  lookupPrimMethod, lookupPrimPArray,
   lookupTyVarPA, defLocalTyVar, defLocalTyVarWithPA, localTyVars,
 
   {-lookupInst,-} lookupFamInst
@@ -133,7 +141,7 @@ initGlobalEnv info instEnvs famInstEnvs
     , global_tycons        = mapNameEnv snd $ vectInfoTyCon info
     , global_datacons      = mapNameEnv snd $ vectInfoDataCon info
     , global_pa_funs       = mapNameEnv snd $ vectInfoPADFun info
-    , global_pr_funs       = emptyVarEnv
+    , global_pr_funs       = emptyNameEnv
     , global_inst_env      = instEnvs
     , global_fam_inst_env  = famInstEnvs
     , global_bindings      = []
@@ -240,6 +248,9 @@ liftDs p = VM $ \bi genv lenv -> do { x <- p; return (Yes genv lenv x) }
 builtin :: (Builtins -> a) -> VM a
 builtin f = VM $ \bi genv lenv -> return (Yes genv lenv (f bi))
 
+builtins :: (a -> Builtins -> b) -> VM (a -> b)
+builtins f = VM $ \bi genv lenv -> return (Yes genv lenv (`f` bi))
+
 readGEnv :: (GlobalEnv -> a) -> VM a
 readGEnv f = VM $ \bi genv lenv -> return (Yes genv lenv (f genv))
 
@@ -351,6 +362,12 @@ 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)
 
@@ -452,9 +469,9 @@ initV hsc_env guts info p
     go =
       do
         builtins       <- initBuiltins
-        builtin_tycons <- initBuiltinTyCons
-        builtin_pas    <- initBuiltinPAs
-        builtin_prs    <- initBuiltinPRs
+        let builtin_tycons = initBuiltinTyCons builtins
+        builtin_pas    <- initBuiltinPAs builtins
+        builtin_prs    <- initBuiltinPRs builtins
 
         eps <- ioToIOEnv $ hscEPS hsc_env
         let famInstEnvs = (eps_fam_inst_env eps, mg_fam_inst_env guts)