isPointed,
isFullyEvaluatedTerm,
-- unsafeDeepSeq,
+
+ sigmaType
) where
#include "HsVersions.h"
import VarEnv
import OccName
import VarSet
-import Unique
import {-#SOURCE#-} TcRnDriver ( tcRnRecoverDataCon )
import TysPrim
termType t@(Suspension {}) = mb_ty t
termType t = Just$ ty t
+isFullyEvaluatedTerm :: Term -> Bool
+isFullyEvaluatedTerm Term {subTerms=tt} = all isFullyEvaluatedTerm tt
+isFullyEvaluatedTerm Suspension {} = False
+isFullyEvaluatedTerm Prim {} = True
+
instance Outputable (Term) where
ppr = head . customPrintTerm customPrintTermBase
, largeIntegerDataConName]
isTupleDC Term{dc=dc} = dc `elem` snd (unzip (elems boxedTupleArr))
isDC a_dc Term{dc=dc} = a_dc == dc
- coerceShow f Term{val=val} = return . text . show . f . unsafeCoerce# $ val
+ coerceShow f = return . text . show . f . unsafeCoerce# . val
--TODO pprinting of list terms is not lazy
doList h t = do
let elems = h : getListTerms t
getListTerms t@Suspension{} = [t]
getListTerms t = pprPanic "getListTerms" (ppr t)
-isFullyEvaluatedTerm :: Term -> Bool
-isFullyEvaluatedTerm Term {subTerms=tt} = all isFullyEvaluatedTerm tt
-isFullyEvaluatedTerm Suspension {} = False
-isFullyEvaluatedTerm Prim {} = True
-
-
-----------------------------------
-- Type Reconstruction
-----------------------------------
| Nothing <- mb_ty = runTR hsc_env . go argTypeKind $ hval
| Just ty <- mb_ty = runTR hsc_env $ do
term <- go argTypeKind hval
- ty' <- instScheme ty
+ ty' <- instScheme (sigmaType ty)
addConstraint ty' (fromMaybe (error "by definition")
(termType term))
return term
,fSuspension = \ct ty v b -> fmapMMaybe zonkTcType ty >>= \ty ->
return (Suspension ct ty v b)}
+
+-- Is this defined elsewhere?
+-- Find all free tyvars and insert the appropiate ForAll.
+sigmaType ty = mkForAllTys (varSetElems$ tyVarsOfType (dropForAlls ty)) ty
+
{-
Example of Type Reconstruction
--------------------------------