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Compile sections #21

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merged 4 commits into from
Nov 4, 2020
Merged

Compile sections #21

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a9a15ba
Add id, compose and flip to Prelude
UlfNorell Nov 3, 2020
68aad7b
Compile underapplied infix operators to left sections
UlfNorell Nov 3, 2020
d72dc22
Compile Agda sections to Haskell sections
UlfNorell Nov 3, 2020
9c5bc9a
Remove unnecessary do and add more test cases
UlfNorell Nov 4, 2020
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11 changes: 7 additions & 4 deletions HsUtils.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -52,11 +52,14 @@ pApp c@(UnQual () (Symbol () _)) [p, q] = PInfixApp () p c q
pApp c@(Special () Cons{}) [p, q] = PInfixApp () p c q
pApp c ps = PApp () c ps

getOp :: Exp () -> Maybe (QOp ())
getOp (Var _ x) | isOp x = Just $ QVarOp () x
getOp (Con _ c) | isOp c = Just $ QConOp () c
getOp _ = Nothing

eApp :: Exp () -> [Exp ()] -> Exp ()
eApp f (a : b : as) | Just op <- getOp f = foldl (App ()) (InfixApp () a op b) as
where getOp (Var _ x) | isOp x = Just $ QVarOp () x
getOp (Con _ c) | isOp c = Just $ QConOp () c
getOp _ = Nothing
eApp f [a] | Just op <- getOp f = LeftSection () a op
eApp f es = foldl (App ()) f es

tApp :: Type () -> [Type ()] -> Type ()
Expand All @@ -72,7 +75,7 @@ hsLambda x e =
p = PVar () $ hsName x

getExplicitImports :: ImportSpec l -> [String]
getExplicitImports = map pp . \case
getExplicitImports = map pp . \case
IVar _ n -> [n]
IAbs _ _ n -> [n]
IThingAll _ n -> [n]
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2 changes: 1 addition & 1 deletion test/golden/Test.hs
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Expand Up @@ -54,7 +54,7 @@ map f [] = []
map f (x : xs) = f x : map f xs

mapTest :: [Integer] -> [Integer]
mapTest = map (id . (+) 5)
mapTest = map (id . (5 +))
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plus3 :: [Integer] -> [Integer]
plus3 = map (\ n -> n + 3)
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