diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Haddock/Interface/Create.hs | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/src/Haddock/Interface/Create.hs b/src/Haddock/Interface/Create.hs index 76b59a80..eb0d5f0d 100644 --- a/src/Haddock/Interface/Create.hs +++ b/src/Haddock/Interface/Create.hs @@ -436,18 +436,10 @@ mkExportItems (maps@(docMap, argMap, subMap, declMap)) optExports _ instIfaceMap dflags = case optExports of Nothing -> fullModuleContents dflags gre maps decls - Just exports -> liftM (nubBy commaDeclared . concat) $ mapM lookupExport exports + Just exports -> liftM concat $ mapM lookupExport exports where decls = filter (not . isInstD . unLoc) decls0 - -- A type signature can have multiple names, like: - -- foo, bar :: Types.. - -- When going throug the exported names we have to take care to detect such - -- situations and remove the duplicates. - commaDeclared (ExportDecl (L _ sig1) _ _ _) (ExportDecl (L _ sig2) _ _ _) = - getMainDeclBinder sig1 == getMainDeclBinder sig2 - commaDeclared _ _ = False - lookupExport (IEVar x) = declWith x lookupExport (IEThingAbs t) = declWith t @@ -505,13 +497,12 @@ mkExportItems -- normal case | otherwise -> return [ mkExportDecl t newDecl docs_ ] where - -- Since a single signature might refer to many names, we - -- need to filter the ones that are actually exported. This - -- requires modifying the type signatures to "hide" the - -- names that are not exported. + -- A single signature might refer to many names, but we + -- create an export item for a single name only. So we + -- modify the signature to contain only that single name. newDecl = case decl of (L loc (SigD sig)) -> - L loc . SigD . fromJust $ filterSigNames isExported sig + L loc . SigD . fromJust $ filterSigNames (== t) sig -- fromJust is safe since we already checked in guards -- that 't' is a name declared in this declaration. _ -> decl |