diff options
Diffstat (limited to 'haddock-api/src/Haddock/Interface/Create.hs')
| -rw-r--r-- | haddock-api/src/Haddock/Interface/Create.hs | 46 |
1 files changed, 34 insertions, 12 deletions
diff --git a/haddock-api/src/Haddock/Interface/Create.hs b/haddock-api/src/Haddock/Interface/Create.hs index 97005437..cd46831e 100644 --- a/haddock-api/src/Haddock/Interface/Create.hs +++ b/haddock-api/src/Haddock/Interface/Create.hs @@ -71,6 +71,7 @@ createInterface tm flags modMap instIfaceMap = do !safety = modInfoSafe mi mdl = ms_mod ms sem_mdl = tcg_semantic_mod (fst (tm_internals_ tm)) + is_sig = ms_hsc_src ms == HsigFile dflags = ms_hspp_opts ms !instances = modInfoInstances mi !fam_instances = md_fam_insts md @@ -117,7 +118,7 @@ createInterface tm flags modMap instIfaceMap = do -- The MAIN functionality: compute the export items which will -- each be the actual documentation of this module. - exportItems <- mkExportItems modMap mdl sem_mdl allWarnings gre exportedNames decls + exportItems <- mkExportItems is_sig modMap mdl sem_mdl allWarnings gre exportedNames decls maps fixMap splices exports instIfaceMap dflags let !visibleNames = mkVisibleNames maps exportItems opts @@ -143,7 +144,7 @@ createInterface tm flags modMap instIfaceMap = do return $! Interface { ifaceMod = mdl - , ifaceIsSig = Module.isHoleModule sem_mdl + , ifaceIsSig = is_sig , ifaceOrigFilename = msHsFilePath ms , ifaceInfo = info , ifaceDoc = Documentation mbDoc modWarn @@ -525,7 +526,8 @@ collectDocs = go Nothing [] -- We create the export items even if the module is hidden, since they -- might be useful when creating the export items for other modules. mkExportItems - :: IfaceMap + :: Bool -- is it a signature + -> IfaceMap -> Module -- this module -> Module -- semantic module -> WarningMap @@ -540,7 +542,7 @@ mkExportItems -> DynFlags -> ErrMsgGhc [ExportItem Name] mkExportItems - modMap thisMod semMod warnings gre exportedNames decls + is_sig modMap thisMod semMod warnings gre exportedNames decls maps@(docMap, argMap, subMap, declMap, instMap) fixMap splices optExports instIfaceMap dflags = case optExports of Nothing -> fullModuleContents dflags warnings gre maps fixMap splices decls @@ -569,8 +571,9 @@ mkExportItems Just doc -> return . ExportDoc $ processDocStringParas dflags gre doc declWith :: Name -> ErrMsgGhc [ ExportItem Name ] - declWith t = - case findDecl t of + declWith t = do + r <- findDecl t + case r of ([L l (ValD _)], (doc, _)) -> do -- Top-level binding without type signature export <- hiValExportItem dflags t l doc (l `elem` splices) $ M.lookup t fixMap @@ -649,13 +652,32 @@ mkExportItems isExported = (`elem` exportedNames) - findDecl :: Name -> ([LHsDecl Name], (DocForDecl Name, [(Name, DocForDecl Name)])) + findDecl :: Name -> ErrMsgGhc ([LHsDecl Name], (DocForDecl Name, [(Name, DocForDecl Name)])) findDecl n - | m == semMod, Just ds <- M.lookup n declMap = - (ds, lookupDocs n warnings docMap argMap subMap) - | Just iface <- M.lookup (semToIdMod (moduleUnitId thisMod) m) modMap, Just ds <- M.lookup n (ifaceDeclMap iface) = - (ds, lookupDocs n warnings (ifaceDocMap iface) (ifaceArgMap iface) (ifaceSubMap iface)) - | otherwise = ([], (noDocForDecl, [])) + | m == semMod = + case M.lookup n declMap of + Just ds -> return (ds, lookupDocs n warnings docMap argMap subMap) + Nothing + | is_sig -> do + -- OK, so it wasn't in the local declaration map. It could + -- have been inherited from a signature. Reconstitute it + -- from the type. + mb_r <- hiDecl dflags n + case mb_r of + Nothing -> return ([], (noDocForDecl, [])) + -- TODO: If we try harder, we might be able to find + -- a Haddock! Look in the Haddocks for each thing in + -- requirementContext (pkgState) + Just decl -> return ([decl], (noDocForDecl, [])) + | otherwise -> + return ([], (noDocForDecl, [])) + | Just iface <- M.lookup (semToIdMod (moduleUnitId thisMod) m) modMap + , Just ds <- M.lookup n (ifaceDeclMap iface) = + return (ds, lookupDocs n warnings + (ifaceDocMap iface) + (ifaceArgMap iface) + (ifaceSubMap iface)) + | otherwise = return ([], (noDocForDecl, [])) where m = nameModule n |