gen_hs_source :: Info -> String
gen_hs_source (Info defaults entries) =
- "-----------------------------------------------------------------------------\n"
+ "{-\n"
+ ++ "This is a generated file (generated by genprimopcode).\n"
+ ++ "It is not code to actually be used. Its only purpose is to be\n"
+ ++ "consumed by haddock.\n"
+ ++ "-}\n"
+ ++ "\n"
+ ++ "-----------------------------------------------------------------------------\n"
++ "-- |\n"
++ "-- Module : GHC.Prim\n"
++ "-- \n"
++ "-----------------------------------------------------------------------------\n"
++ "module GHC.Prim (\n"
++ unlines (map (("\t" ++) . hdr) entries)
- ++ ") where\n\n{-\n"
- ++ unlines (map opt defaults) ++ "-}\n"
- ++ unlines (map ent entries) ++ "\n\n\n"
+ ++ ") where\n"
+ ++ "\n"
+ ++ "import GHC.Bool\n"
+ ++ "\n"
+ ++ "{-\n"
+ ++ unlines (map opt defaults)
+ ++ "-}\n"
+ ++ unlines (concatMap ent entries) ++ "\n\n\n"
where opt (OptionFalse n) = n ++ " = False"
opt (OptionTrue n) = n ++ " = True"
opt (OptionString n v) = n ++ " = { " ++ v ++ "}"
hdr (PrimTypeSpec { ty = TyApp n _ }) = wrapTy n ++ ","
hdr (PrimTypeSpec {}) = error "Illegal type spec"
- ent (Section {}) = ""
+ ent (Section {}) = []
ent o@(PrimOpSpec {}) = spec o
ent o@(PrimTypeSpec {}) = spec o
ent o@(PseudoOpSpec {}) = spec o
sec s = "\n-- * " ++ escape (title s) ++ "\n"
++ (unlines $ map ("-- " ++ ) $ lines $ unlatex $ escape $ "|" ++ desc s) ++ "\n"
- spec o = comm ++ decl
- where decl = case o of
- PrimOpSpec { name = n, ty = t } -> wrapOp n ++ " :: " ++ pty t
- PseudoOpSpec { name = n, ty = t } -> wrapOp n ++ " :: " ++ pty t
- PrimTypeSpec { ty = t } -> "data " ++ pty t
- Section { } -> ""
+ spec o = comm : decls
+ where decls = case o of
+ PrimOpSpec { name = n, ty = t } ->
+ [ wrapOp n ++ " :: " ++ pprTy t,
+ wrapOp n ++ " = let x = x in x" ]
+ PseudoOpSpec { name = n, ty = t } ->
+ [ wrapOp n ++ " :: " ++ pprTy t,
+ wrapOp n ++ " = let x = x in x" ]
+ PrimTypeSpec { ty = t } ->
+ [ "data " ++ pprTy t ]
+ Section { } -> []
comm = case (desc o) of
[] -> ""
d -> "\n" ++ (unlines $ map ("-- " ++ ) $ lines $ unlatex $ escape $ "|" ++ d)
- pty (TyF t1 t2) = pbty t1 ++ " -> " ++ pty t2
- pty t = pbty t
-
- pbty (TyApp tc ts) = tc ++ (concat (map (' ':) (map paty ts)))
- pbty (TyUTup ts) = "(# " ++ (concat (intersperse "," (map pty ts))) ++ " #)"
- pbty t = paty t
-
- paty (TyVar tv) = tv
- paty t = "(" ++ pty t ++ ")"
-
wrapOp nm | isAlpha (head nm) = nm
| otherwise = "(" ++ nm ++ ")"
wrapTy nm | isAlpha (head nm) = nm
escape = concatMap (\c -> if c `elem` special then '\\':c:[] else c:[])
where special = "/'`\"@<"
+pprTy = pty
+ where
+ pty (TyF t1 t2) = pbty t1 ++ " -> " ++ pty t2
+ pty t = pbty t
+ pbty (TyApp tc ts) = tc ++ concat (map (' ' :) (map paty ts))
+ pbty (TyUTup ts) = "(# "
+ ++ concat (intersperse "," (map pty ts))
+ ++ " #)"
+ pbty t = paty t
+
+ paty (TyVar tv) = tv
+ paty t = "(" ++ pty t ++ ")"
+--
-- Generates the type environment that the stand-alone External Core tools use.
gen_ext_core_source :: [Entry] -> String
gen_ext_core_source entries =
-- more hacks. might be better to do this on the ext-core side,
-- as per earlier comment
- qualify _ tc | tc == "ByteArr#" = qualify True "ByteArray#"
- qualify _ tc | tc == "MutArr#" = qualify True "MutableArray#"
- qualify _ tc | tc == "MutByteArr#" =
- qualify True "MutableByteArray#"
qualify _ tc | tc == "Bool" = "Just boolMname" ++ ", "
++ ze True tc
qualify _ tc | tc == "()" = "Just baseMname" ++ ", "
gen_wrappers :: Info -> String
gen_wrappers (Info _ entries)
- = "{-# LANGUAGE NoImplicitPrelude #-}\n"
+ = "{-# LANGUAGE NoImplicitPrelude, UnboxedTuples #-}\n"
-- Dependencies on Prelude must be explicit in libraries/base, but we
-- don't need the Prelude here so we add NoImplicitPrelude.
++ "module GHC.PrimopWrappers where\n"
++ "import qualified GHC.Prim\n"
- ++ unlines (map f (filter (not.dodgy) (filter is_primop entries)))
+ ++ "import GHC.Bool (Bool)\n"
+ ++ "import GHC.Unit ()\n"
+ ++ "import GHC.Prim (" ++ types ++ ")\n"
+ ++ unlines (concatMap f specs)
where
+ specs = filter (not.dodgy) (filter is_primop entries)
+ tycons = foldr union [] $ map (tyconsIn . ty) specs
+ tycons' = filter (`notElem` ["()", "Bool"]) tycons
+ types = concat $ intersperse ", " tycons'
f spec = let args = map (\n -> "a" ++ show n) [1 .. arity (ty spec)]
src_name = wrap (name spec)
- in "{-# NOINLINE " ++ src_name ++ " #-}\n" ++
- src_name ++ " " ++ unwords args
- ++ " = (GHC.Prim." ++ name spec ++ ") " ++ unwords args
+ lhs = src_name ++ " " ++ unwords args
+ rhs = "(GHC.Prim." ++ name spec ++ ") " ++ unwords args
+ in ["{-# NOINLINE " ++ src_name ++ " #-}",
+ src_name ++ " :: " ++ pprTy (ty spec),
+ lhs ++ " = " ++ rhs]
wrap nm | isLower (head nm) = nm
| otherwise = "(" ++ nm ++ ")"
ppType (TyApp "Addr#" []) = "addrPrimTy"
ppType (TyApp "Float#" []) = "floatPrimTy"
ppType (TyApp "Double#" []) = "doublePrimTy"
-ppType (TyApp "ByteArr#" []) = "byteArrayPrimTy"
+ppType (TyApp "ByteArray#" []) = "byteArrayPrimTy"
ppType (TyApp "RealWorld" []) = "realWorldTy"
ppType (TyApp "ThreadId#" []) = "threadIdPrimTy"
ppType (TyApp "ForeignObj#" []) = "foreignObjPrimTy"
ppType (TyApp "State#" [x]) = "mkStatePrimTy " ++ ppType x
ppType (TyApp "MutVar#" [x,y]) = "mkMutVarPrimTy " ++ ppType x
++ " " ++ ppType y
-ppType (TyApp "MutArr#" [x,y]) = "mkMutableArrayPrimTy " ++ ppType x
- ++ " " ++ ppType y
+ppType (TyApp "MutableArray#" [x,y]) = "mkMutableArrayPrimTy " ++ ppType x
+ ++ " " ++ ppType y
-ppType (TyApp "MutByteArr#" [x]) = "mkMutableByteArrayPrimTy "
+ppType (TyApp "MutableByteArray#" [x]) = "mkMutableByteArrayPrimTy "
++ ppType x
ppType (TyApp "Array#" [x]) = "mkArrayPrimTy " ++ ppType x
tvsIn (TyVar tv) = [tv]
tvsIn (TyUTup tys) = concatMap tvsIn tys
+tyconsIn :: Ty -> [TyCon]
+tyconsIn (TyF t1 t2) = tyconsIn t1 `union` tyconsIn t2
+tyconsIn (TyApp tc tys) = foldr union [tc] $ map tyconsIn tys
+tyconsIn (TyVar _) = []
+tyconsIn (TyUTup tys) = foldr union [] $ map tyconsIn tys
+
arity :: Ty -> Int
arity = length . fst . flatTys
projects / ghc-hetmet.git / blobdiff