diff options
Diffstat (limited to 'src/Haddock/Interface/Create.hs')
| -rw-r--r-- | src/Haddock/Interface/Create.hs | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/src/Haddock/Interface/Create.hs b/src/Haddock/Interface/Create.hs index 7320af21..a72c7ce3 100644 --- a/src/Haddock/Interface/Create.hs +++ b/src/Haddock/Interface/Create.hs @@ -55,18 +55,21 @@ createInterface ghcMod flags modMap = do localNames = ghcDefinedNames ghcMod subMap = mkSubMap group decls = topDecls group - declMap = mkDeclMap decls - famMap = Map.empty --mkFamMap decls + decls' = filterOutInstances decls + declMap = mkDeclMap decls' + famMap = Map.empty --mkFamMap decls' ignoreExps = Flag_IgnoreAllExports `elem` flags exportedNames = ghcExportedNames ghcMod origEnv = Map.fromList [ (nameOccName n, n) | n <- exportedNames ] instances = ghcInstances ghcMod + warnAboutFilteredDecls mod decls + visibleNames <- mkVisibleNames mod modMap localNames (ghcNamesInScope ghcMod) subMap exports opts declMap - exportItems <- mkExportItems modMap mod (ghcExportedNames ghcMod)decls declMap + exportItems <- mkExportItems modMap mod (ghcExportedNames ghcMod) decls' declMap famMap subMap opts exports ignoreExps instances -- prune the export list to just those declarations that have @@ -212,14 +215,15 @@ declName (SigD sig) = fromJust $ sigNameNoLoc sig -- All the top-level declarations of a module, ordered by source location, -- with documentation attached if it exists. --- TEMP hack to filter out all instances (we don't want them until --- rendering is completely implemented). topDecls :: HsGroup Name -> [DeclWithDoc] -topDecls = filter (\(L _ d, _) -> not (isInstance d)) . collectDocs . sortByLoc . declsFromGroup +topDecls = collectDocs . sortByLoc . declsFromGroup + + +filterOutInstances = filter (\(L _ d, _) -> not (isInstance d)) -- | Pick out the declarations that we want from a group -declsFromGroup :: HsGroup Name -> [LHsDecl Name] +declsFromGroup :: HsGroup Name -> [LHsDecl Name] declsFromGroup group = decls hs_tyclds TyClD group ++ decls hs_fords ForD group ++ @@ -239,6 +243,29 @@ decls field con struct = [ L loc (con decl) | L loc decl <- field struct ] sortByLoc = sortBy (comparing getLoc) +warnAboutFilteredDecls mod decls = do + let modStr = moduleString mod + let typeInstances = + nub [ tcdName d | (L _ (TyClD d), _) <- decls, isFamInstDecl d ] + + when (not $null typeInstances) $ + tell $ nub [ + "Warning: " ++ modStr ++ ": Instances of type and data " + ++ "families are not yet supported. Instances of the following families " + ++ "will be filtered out:\n " ++ (concat $ intersperse ", " + $ map (occNameString . nameOccName) typeInstances) ] + + let instances = nub [ pretty i | (L _ (InstD (InstDecl i _ _ ats)), _) <- decls + , not (null ats) ] + + when (not $ null instances) $ + + tell $ nub $ [ + "Warning: " ++ modStr ++ ": Rendering of associated types for instances has " + ++ "not yet been implemented. Associated types will not be shown for the " + ++ "following instances:\n" ++ (concat $ intersperse ", " instances) ] + + -------------------------------------------------------------------------------- -- Instances -------------------------------------------------------------------------------- |