)
import NameSet
import OccName ( OccName, occNameUserString, occNameFlavour )
-import Module ( ModuleName, moduleName, mkVanillaModule )
+import Module ( ModuleName, moduleName, mkVanillaModule, mkSysModuleNameFS, moduleNameFS )
import FiniteMap
import Unique ( Unique )
import UniqSupply
import List ( nub )
import PrelNames ( mkUnboundName )
import CmdLineOpts
+import FastString ( FastString )
\end{code}
%*********************************************************
Just name -> pushSrcLocRn loc $
addWarnRn (shadowedNameWarn rdr_name)
-bindCoreLocalFVRn :: RdrName -> (Name -> RnMS (a, FreeVars))
- -> RnMS (a, FreeVars)
+bindCoreLocalRn :: RdrName -> (Name -> RnMS a) -> RnMS a
-- A specialised variant when renaming stuff from interface
-- files (of which there is a lot)
-- * one at a time
-- * no checks for shadowing
-- * always imported
-- * deal with free vars
-bindCoreLocalFVRn rdr_name enclosed_scope
+bindCoreLocalRn rdr_name enclosed_scope
= getSrcLocRn `thenRn` \ loc ->
getLocalNameEnv `thenRn` \ name_env ->
getNameSupplyRn `thenRn` \ (us, cache, ipcache) ->
let
new_name_env = extendRdrEnv name_env rdr_name name
in
- setLocalNameEnv new_name_env (enclosed_scope name) `thenRn` \ (result, fvs) ->
- returnRn (result, delFromNameSet fvs name)
+ setLocalNameEnv new_name_env (enclosed_scope name)
-bindCoreLocalsFVRn [] thing_inside = thing_inside []
-bindCoreLocalsFVRn (b:bs) thing_inside = bindCoreLocalFVRn b $ \ name' ->
- bindCoreLocalsFVRn bs $ \ names' ->
- thing_inside (name':names')
+bindCoreLocalsRn [] thing_inside = thing_inside []
+bindCoreLocalsRn (b:bs) thing_inside = bindCoreLocalRn b $ \ name' ->
+ bindCoreLocalsRn bs $ \ names' ->
+ thing_inside (name':names')
bindLocalNames names enclosed_scope
= getLocalNameEnv `thenRn` \ name_env ->
returnRn (thing, delListFromNameSet fvs names)
-------------------------------------
-bindUVarRn :: SDoc -> RdrName -> (Name -> RnMS (a, FreeVars)) -> RnMS (a, FreeVars)
-bindUVarRn = bindLocalRn
+bindUVarRn :: RdrName -> (Name -> RnMS a) -> RnMS a
+bindUVarRn = bindCoreLocalRn
-------------------------------------
extendTyVarEnvFVRn :: [Name] -> RnMS (a, FreeVars) -> RnMS (a, FreeVars)
filterAvail ie avail = Nothing
-------------------------------------
-sortAvails :: Avails -> Avails
-sortAvails avails = sortLt lt avails
+groupAvails :: Avails -> [(ModuleName, Avails)]
+ -- Group by module and sort by occurrence
+ -- This keeps the list in canonical order
+groupAvails avails
+ = [ (mkSysModuleNameFS fs, sortLt lt avails)
+ | (fs,avails) <- fmToList groupFM
+ ]
where
- a1 `lt` a2 = mod1 < mod2 ||
- (mod1 == mod2 && occ1 < occ2)
+ groupFM :: FiniteMap FastString Avails
+ -- Deliberatey use the FastString so we
+ -- get a canonical ordering
+ groupFM = foldl add emptyFM avails
+
+ add env avail = addToFM_C combine env mod_fs [avail]
+ where
+ mod_fs = moduleNameFS (moduleName (nameModule (availName avail)))
+ combine old _ = avail:old
+
+ a1 `lt` a2 = occ1 < occ2
where
- name1 = availName a1
- name2 = availName a2
- mod1 = nameModule name1
- mod2 = nameModule name2
- occ1 = nameOccName name1
- occ2 = nameOccName name2
+ occ1 = nameOccName (availName a1)
+ occ2 = nameOccName (availName a2)
-------------------------------------
pprAvail :: AvailInfo -> SDoc