diff options
| -rw-r--r-- | haddock-api/src/Haddock/Interface/Rename.hs | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/haddock-api/src/Haddock/Interface/Rename.hs b/haddock-api/src/Haddock/Interface/Rename.hs index 7023a908..2d3a28cc 100644 --- a/haddock-api/src/Haddock/Interface/Rename.hs +++ b/haddock-api/src/Haddock/Interface/Rename.hs @@ -21,6 +21,8 @@ import Haddock.Types import Bag (emptyBag) import GHC hiding (NoLink) import Name +import RdrName (RdrName(Exact)) +import PrelNames (eqTyCon_RDR) import Control.Applicative import Control.Monad hiding (mapM) @@ -59,11 +61,18 @@ renameInterface dflags renamingEnv warnings iface = (missingNames1 ++ missingNames2 ++ missingNames3 ++ missingNames4 ++ missingNames5) - -- filter out certain built in type constructors using their string - -- representation. TODO: use the Name constants from the GHC API. --- strings = filter (`notElem` ["()", "[]", "(->)"]) --- (map pretty missingNames) - strings = map (pretty dflags) . filter (\n -> not (isSystemName n || isBuiltInSyntax n)) $ missingNames + -- Filter out certain built in type constructors using their string + -- representation. + -- + -- Note that since the renamed AST represents equality constraints as + -- @HasOpTy t1 eqTyCon_RDR t2@ (and _not_ as @HsEqTy t1 t2@), we need to + -- manually filter out 'eqTyCon_RDR' (aka @~@). + strings = [ pretty dflags n + | n <- missingNames + , not (isSystemName n) + , not (isBuiltInSyntax n) + , Exact n /= eqTyCon_RDR + ] in do -- report things that we couldn't link to. Only do this for non-hidden |