import Util
import ListSetOps
import FastString
+import StaticFlags
+
import Data.Char
infixl 4 `mkDsApp`, `mkDsApps`
\begin{code}
firstPat :: EquationInfo -> Pat Id
-firstPat eqn = head (eqn_pats eqn)
+firstPat eqn = ASSERT( notNull (eqn_pats eqn) ) head (eqn_pats eqn)
shiftEqns :: [EquationInfo] -> [EquationInfo]
-- Drop the first pattern in each equation
-- the scrutinised Id to be sufficiently refined to have a TyCon in it]
-- Stuff for newtype
- (con1, arg_ids1, match_result1) = head match_alts
- arg_id1 = head arg_ids1
+ (con1, arg_ids1, match_result1) = ASSERT( notNull match_alts ) head match_alts
+ arg_id1 = ASSERT( notNull arg_ids1 ) head arg_ids1
var_ty = idType var
(tc, ty_args) = splitNewTyConApp var_ty
newtype_rhs = unwrapNewTypeBody tc ty_args (Var var)
is_simple_lpat p = is_simple_pat (unLoc p)
is_simple_pat (TuplePat ps Boxed _) = all is_triv_lpat ps
- is_simple_pat (ConPatOut{ pat_args = ps }) = all is_triv_lpat (hsConArgs ps)
+ is_simple_pat (ConPatOut{ pat_args = ps }) = all is_triv_lpat (hsConPatArgs ps)
is_simple_pat (VarPat _) = True
is_simple_pat (ParPat p) = is_simple_lpat p
is_simple_pat other = False
\end{code}
\begin{code}
-mkOptTickBox :: Maybe Int -> CoreExpr -> DsM CoreExpr
+mkOptTickBox :: Maybe (Int,[Id]) -> CoreExpr -> DsM CoreExpr
mkOptTickBox Nothing e = return e
-mkOptTickBox (Just ix) e = mkTickBox ix e
+mkOptTickBox (Just (ix,ids)) e = mkTickBox ix ids e
-mkTickBox :: Int -> CoreExpr -> DsM CoreExpr
-mkTickBox ix e = do
+mkTickBox :: Int -> [Id] -> CoreExpr -> DsM CoreExpr
+mkTickBox ix vars e = do
uq <- newUnique
mod <- getModuleDs
- let tick = mkTickBoxOpId uq mod ix
+ let tick | opt_Hpc = mkTickBoxOpId uq mod ix
+ | otherwise = mkBreakPointOpId uq mod ix
uq2 <- newUnique
let occName = mkVarOcc "tick"
- let name = mkInternalName uq2 occName noSrcLoc -- use mkSysLocal?
+ let name = mkInternalName uq2 occName noSrcSpan -- use mkSysLocal?
let var = Id.mkLocalId name realWorldStatePrimTy
- return $ Case (Var tick)
- var
- ty
- [(DEFAULT,[],e)]
+ scrut <-
+ if opt_Hpc
+ then return (Var tick)
+ else do
+ let tickVar = Var tick
+ let tickType = mkFunTys (map idType vars) realWorldStatePrimTy
+ let scrutApTy = App tickVar (Type tickType)
+ return (mkApps scrutApTy (map Var vars) :: Expr Id)
+ return $ Case scrut var ty [(DEFAULT,[],e)]
where
ty = exprType e
uq <- newUnique
mod <- getModuleDs
let bndr1 = mkSysLocal FSLIT("t1") uq boolTy
- falseBox <- mkTickBox ixF $ Var falseDataConId
- trueBox <- mkTickBox ixT $ Var trueDataConId
+ falseBox <- mkTickBox ixF [] $ Var falseDataConId
+ trueBox <- mkTickBox ixT [] $ Var trueDataConId
return $ Case e bndr1 boolTy
[ (DataAlt falseDataCon, [], falseBox)
, (DataAlt trueDataCon, [], trueBox)
]
-\end{code}
\ No newline at end of file
+\end{code}