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Support NamedFieldPuns #84

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merged 1 commit into from
Jan 23, 2025
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Merged

Support NamedFieldPuns #84

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6 changes: 6 additions & 0 deletions examples/34-field-puns.hell
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Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
data Foo = Foo { bar, mu :: Int }
main = do
let bar = 123
let mu = 666
let r = Main.Foo{bar,mu}
IO.print $ Record.get @"bar" @Int r
3 changes: 2 additions & 1 deletion src/Hell.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -391,6 +391,7 @@ makeConstructRecord qname fields =
$ map
( \case
HSE.FieldUpdate _ (HSE.UnQual _ (HSE.Ident _ i)) expr -> (i, expr)
HSE.FieldPun _ v@(HSE.UnQual _ (HSE.Ident l' i)) -> (i, HSE.Var l' v)
f -> error $ "Invalid field: " ++ show f
)
fields
Expand Down Expand Up @@ -2112,7 +2113,7 @@ data File = File {
parseFile :: String -> IO (Either String File)
parseFile filePath = do
string <- ByteString.readFile filePath
pure $ case HSE.parseModuleWithMode HSE.defaultParseMode {HSE.parseFilename = filePath, HSE.extensions = HSE.extensions HSE.defaultParseMode ++ [HSE.EnableExtension HSE.PatternSignatures, HSE.EnableExtension HSE.DataKinds, HSE.EnableExtension HSE.BlockArguments, HSE.EnableExtension HSE.TypeApplications]} (Text.unpack (dropShebang (Text.decodeUtf8 string))) >>= parseModule of
pure $ case HSE.parseModuleWithMode HSE.defaultParseMode {HSE.parseFilename = filePath, HSE.extensions = HSE.extensions HSE.defaultParseMode ++ [HSE.EnableExtension HSE.PatternSignatures, HSE.EnableExtension HSE.DataKinds, HSE.EnableExtension HSE.BlockArguments, HSE.EnableExtension HSE.TypeApplications, HSE.EnableExtension HSE.NamedFieldPuns]} (Text.unpack (dropShebang (Text.decodeUtf8 string))) >>= parseModule of
HSE.ParseFailed l e -> Left $ "Parse error: " <> HSE.prettyPrint l <> ": " <> e
HSE.ParseOk file -> Right file

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