diff options
Diffstat (limited to 'haddock-api/src/Haddock.hs')
| -rw-r--r-- | haddock-api/src/Haddock.hs | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/haddock-api/src/Haddock.hs b/haddock-api/src/Haddock.hs index 8c0ae705..2bae60e7 100644 --- a/haddock-api/src/Haddock.hs +++ b/haddock-api/src/Haddock.hs @@ -278,9 +278,9 @@ render dflags flags sinceQual qual ifaces installedIfaces extSrcMap = do allIfaces = map toInstalledIface ifaces ++ installedIfaces allVisibleIfaces = [ i | i <- allIfaces, OptHide `notElem` instOptions i ] - pkgMod = ifaceMod (head ifaces) - pkgKey = moduleUnitId pkgMod - pkgStr = Just (unitIdString pkgKey) + pkgMod = fmap ifaceMod (listToMaybe ifaces) + pkgKey = fmap moduleUnitId pkgMod + pkgStr = fmap unitIdString pkgKey pkgNameVer = modulePackageInfo dflags flags pkgMod pkgName = fmap (unpackFS . (\(PackageName n) -> n)) (fst pkgNameVer) sincePkg = case sinceQual of @@ -299,16 +299,22 @@ render dflags flags sinceQual qual ifaces installedIfaces extSrcMap = do pkgSrcMap = Map.mapKeys moduleUnitId extSrcMap pkgSrcMap' - | Flag_HyperlinkedSource `elem` flags = - Map.insert pkgKey hypSrcModuleNameUrlFormat pkgSrcMap - | Just srcNameUrl <- srcEntity = Map.insert pkgKey srcNameUrl pkgSrcMap + | Flag_HyperlinkedSource `elem` flags + , Just k <- pkgKey + = Map.insert k hypSrcModuleNameUrlFormat pkgSrcMap + | Just srcNameUrl <- srcEntity + , Just k <- pkgKey + = Map.insert k srcNameUrl pkgSrcMap | otherwise = pkgSrcMap -- TODO: Get these from the interface files as with srcMap pkgSrcLMap' - | Flag_HyperlinkedSource `elem` flags = - Map.singleton pkgKey hypSrcModuleLineUrlFormat - | Just path <- srcLEntity = Map.singleton pkgKey path + | Flag_HyperlinkedSource `elem` flags + , Just k <- pkgKey + = Map.singleton k hypSrcModuleLineUrlFormat + | Just path <- srcLEntity + , Just k <- pkgKey + = Map.singleton k path | otherwise = Map.empty sourceUrls' = (srcBase, srcModule', pkgSrcMap', pkgSrcLMap') @@ -385,7 +391,8 @@ render dflags flags sinceQual qual ifaces installedIfaces extSrcMap = do visibleIfaces odir _ -> putStrLn . unlines $ [ "haddock: Unable to find a package providing module " - ++ moduleNameString (moduleName pkgMod) ++ ", skipping Hoogle." + ++ maybe "<no-mod>" (moduleNameString . moduleName) pkgMod + ++ ", skipping Hoogle." , "" , " Perhaps try specifying the desired package explicitly" ++ " using the --package-name" |