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Fix redundant print paren

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This commit is contained in:
Martin Fredin 2023-04-08 13:38:30 +02:00
parent 21b1ba7b1f
commit 9cb4a620bb
1 changed files with 17 additions and 56 deletions
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73
src/TypeChecker/TypeCheckerIr.hs
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@ -71,17 +71,15 @@ instance Print Ident where
prt _ (Ident s) = doc $ showString s
instance Print t => Print (Program' t) where
prt i (Program sc) = prPrec i 0 $ prt 0 sc
prt i (Program sc) = prt i sc
instance Print t => Print (Bind' t) where
prt i (Bind sig@(name, _) parms rhs) =
prPrec i 0 $
concatD
prt i (Bind sig@(name, _) parms rhs) = concatD
[ prtSig sig
, prt 0 name
, prtIdPs 0 parms
, prt i name
, prt i parms
, doc $ showString "="
, prt 0 rhs
, prt i rhs
]
prtSig :: Print t => Id' t -> Doc
@ -98,18 +96,15 @@ instance Print t => Print (ExpT' t) where
concatD
[ doc $ showString "("
, prt i e
, doc $ showString ","
, prt i t
, doc $ showString ":"
, prt 0 t
, doc $ showString ")"
]
instance Print t => Print [Bind' t] where
prt _ [] = concatD []
prt _ [x] = concatD [prt 0 x]
prt _ (x : xs) = concatD [prt 0 x, doc (showString ";"), prt 0 xs]
prtIdPs :: Print t => Int -> [Id' t] -> Doc
prtIdPs i = prPrec i 0 . concatD . map (prt i)
prt i [x] = concatD [prt i x]
prt i (x : xs) = concatD [prt i x, doc (showString ";"), prt i xs]
instance Print t => Print (Id' t) where
prt i (name, t) =
@ -123,48 +118,14 @@ instance Print t => Print (Id' t) where
instance Print t => Print (Exp' t) where
prt i = \case
EVar name -> prPrec i 3 $ prt 0 name
EInj name -> prPrec i 3 $ prt 0 name
ELit lit -> prPrec i 3 $ prt 0 lit
ELet b e ->
prPrec i 3 $
concatD
[ doc $ showString "let"
, prt 0 b
, doc $ showString "in"
, prt 0 e
]
EApp e1 e2 ->
prPrec i 2 $
concatD
[ prt 2 e1
, prt 3 e2
]
EAdd e1 e2 ->
prPrec i 1 $
concatD
[ prt 1 e1
, doc $ showString "+"
, prt 2 e2
]
EAbs v e ->
prPrec i 0 $
concatD
[ doc $ showString "\\"
, prt 0 v
, doc $ showString "."
, prt 0 e
]
ECase e branches ->
prPrec i 0 $
concatD
[ doc $ showString "case"
, prt 0 e
, doc $ showString "of"
, doc $ showString "{"
, prt 0 branches
, doc $ showString "}"
]
EVar lident -> prPrec i 3 (concatD [prt 0 lident])
EInj uident -> prPrec i 3 (concatD [prt 0 uident])
ELit lit -> prPrec i 3 (concatD [prt 0 lit])
EApp exp1 exp2 -> prPrec i 2 (concatD [prt 2 exp1, prt 3 exp2])
EAdd exp1 exp2 -> prPrec i 1 (concatD [prt 1 exp1, doc (showString "+"), prt 2 exp2])
ELet bind exp -> prPrec i 0 (concatD [doc (showString "let"), prt 0 bind, doc (showString "in"), prt 0 exp])
EAbs lident exp -> prPrec i 0 (concatD [doc (showString "\\"), prt 0 lident, doc (showString "."), prt 0 exp])
ECase exp branchs -> prPrec i 0 (concatD [doc (showString "case"), prt 0 exp, doc (showString "of"), doc (showString "{"), prt 0 branchs, doc (showString "}")])
instance Print t => Print (Branch' t) where
prt i (Branch (pattern_, t) exp) = prPrec i 0 (concatD [doc (showString "("), prt 0 pattern_, doc (showString " : "), prt 0 t, doc (showString ")"), doc (showString "=>"), prt 0 exp])