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fix: handle comma in extend import list with ghc 9.2 #2697

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Merged
merged 4 commits into from
Feb 9, 2022
Merged

fix: handle comma in extend import list with ghc 9.2 #2697

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7af4e58
fix: handle comma in extend import list with ghc 9.2
guibou Feb 8, 2022
c6d98bc
Update ghcide/src/Development/IDE/Plugin/CodeAction/ExactPrint.hs
guibou Feb 8, 2022
0cc8668
refactor: extract addCommaInImportList
guibou Feb 8, 2022
c0d33cc
Merge branch 'master' into fix_import_suggestion_ghc92
mergify[bot] Feb 8, 2022
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17 changes: 14 additions & 3 deletions ghcide/src/Development/IDE/Plugin/CodeAction/ExactPrint.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,7 @@ import GHC (AddEpAnn (..), AnnContext (..), AnnParen (..),
DeltaPos (SameLine), EpAnn (..), EpaLocation (EpaDelta),
IsUnicodeSyntax (NormalSyntax),
NameAdornment (NameParens), NameAnn (..), addAnns, ann, emptyComments,
reAnnL, AnnList (..))
reAnnL, AnnList (..), TrailingAnn (AddCommaAnn), addTrailingAnnToA)
#endif
import Language.LSP.Types
import Development.IDE.GHC.Util
Expand Down Expand Up @@ -490,11 +490,22 @@ extendImportViaParent df parent child (L l it@ImportDecl{..})
-- we need change the ann key from `[]` to `:` to keep parens and other anns.
unless hasSibling $
transferAnn (L l' $ reverse pre) (L l' [x]) id

let lies' = reverse pre ++ [x]
#else
x :: LIE GhcPs = reLocA $ L l'' $ IEThingWith listAnn parentLIE NoIEWildcard [childLIE]
listAnn = epAnn srcParent [AddEpAnn AnnOpenP (epl 1), AddEpAnn AnnCloseP (epl 0)]
x :: LIE GhcPs = reLocA $ L l'' $ IEThingWith listAnn parentLIE NoIEWildcard [childLIE]

x <- pure $ setEntryDP x (SameLine $ if (not (null pre)) then 1 else 0)

let

fixLast = if not (null pre) then first addComma else id
lies' = over _last fixLast lies ++ [x]
lies = reverse pre

#endif
return $ L l it{ideclHiding = Just (hide, L l' $ reverse pre ++ [x])}
return $ L l it{ideclHiding = Just (hide, L l' lies')}
extendImportViaParent _ _ _ _ = lift $ Left "Unable to extend the import list via parent"

unIEWrappedName :: IEWrappedName (IdP GhcPs) -> String
Expand Down
4 changes: 2 additions & 2 deletions ghcide/test/exe/Main.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -1520,7 +1520,7 @@ extendImportTests = testGroup "extend import actions"
, "import ModuleA as A (stuffB, (.*))"
, "main = print (stuffB .* stuffB)"
])
, knownBrokenForGhcVersions [GHC92] "missing comma. #2662" $ testSession "extend single line import with infix constructor" $ template
, testSession "extend single line import with infix constructor" $ template
[]
("ModuleB.hs", T.unlines
[ "module ModuleB where"
Expand All @@ -1534,7 +1534,7 @@ extendImportTests = testGroup "extend import actions"
, "import Data.List.NonEmpty (fromList, NonEmpty ((:|)))"
, "main = case (fromList []) of _ :| _ -> pure ()"
])
, knownBrokenForGhcVersions [GHC92] "missing comma. #2662" $ testSession "extend single line import with prefix constructor" $ template
, testSession "extend single line import with prefix constructor" $ template
[]
("ModuleB.hs", T.unlines
[ "module ModuleB where"
Expand Down