- ; mb_res <- case target of
- HscNothing -> return (Just ([], [], NoStubs, hpcInfo, emptyModBreaks))
- _ -> do (binds_cvr,ds_hpc_info, modBreaks)
- <- if (opt_Hpc
- || target == HscInterpreted)
- && (not (isHsBoot hsc_src))
- then addCoverageTicksToBinds dflags mod mod_loc (typeEnvTyCons type_env) binds
- else return (binds, hpcInfo, emptyModBreaks)
- initDs hsc_env mod rdr_env type_env $ do
- { core_prs <- dsTopLHsBinds auto_scc binds_cvr
- ; (ds_fords, foreign_prs) <- dsForeigns fords
- ; let all_prs = foreign_prs ++ core_prs
- local_bndrs = mkVarSet (map fst all_prs)
- ; ds_rules <- mappM (dsRule mod local_bndrs) rules
- ; return (all_prs, catMaybes ds_rules, ds_fords, ds_hpc_info, modBreaks)
- }
- ; case mb_res of {
- Nothing -> return Nothing ;
- Just (all_prs, ds_rules, ds_fords,ds_hpc_info, modBreaks) -> do
-
- { -- Add export flags to bindings
- keep_alive <- readIORef keep_var
- ; let final_prs = addExportFlags target export_set
- keep_alive all_prs ds_rules
- ds_binds = [Rec final_prs]
- -- Notice that we put the whole lot in a big Rec, even the foreign binds
- -- When compiling PrelFloat, which defines data Float = F# Float#
- -- we want F# to be in scope in the foreign marshalling code!
- -- You might think it doesn't matter, but the simplifier brings all top-level
- -- things into the in-scope set before simplifying; so we get no unfolding for F#!
-
- -- Lint result if necessary
- ; endPass dflags "Desugar" Opt_D_dump_ds ds_binds
-
- -- Dump output
- ; doIfSet (dopt Opt_D_dump_ds dflags)
- (printDump (ppr_ds_rules ds_rules))
-
- ; dfun_uses <- readIORef dfun_uses_var -- What dfuns are used
- ; th_used <- readIORef th_var -- Whether TH is used
- ; let used_names = allUses dus `unionNameSets` dfun_uses
- pkgs | th_used = insertList thPackageId (imp_dep_pkgs imports)
- | otherwise = imp_dep_pkgs imports
-
- dep_mods = eltsUFM (delFromUFM (imp_dep_mods imports) (moduleName mod))
- -- M.hi-boot can be in the imp_dep_mods, but we must remove
- -- it before recording the modules on which this one depends!
- -- (We want to retain M.hi-boot in imp_dep_mods so that
- -- loadHiBootInterface can see if M's direct imports depend
- -- on M.hi-boot, and hence that we should do the hi-boot consistency
- -- check.)
-
- dir_imp_mods = imp_mods imports
-
- ; usages <- mkUsageInfo hsc_env dir_imp_mods dep_mods used_names
-
- ; let
- -- Modules don't compare lexicographically usually,
- -- but we want them to do so here.
- le_mod :: Module -> Module -> Bool
- le_mod m1 m2 = moduleNameFS (moduleName m1)
- <= moduleNameFS (moduleName m2)
- le_dep_mod :: (ModuleName, IsBootInterface) -> (ModuleName, IsBootInterface) -> Bool
- le_dep_mod (m1,_) (m2,_) = moduleNameFS m1 <= moduleNameFS m2
-
- deps = Deps { dep_mods = sortLe le_dep_mod dep_mods,
- dep_pkgs = sortLe (<=) pkgs,
- dep_orphs = sortLe le_mod (imp_orphs imports),
- dep_finsts = sortLe le_mod (imp_finsts imports) }
- -- sort to get into canonical order
-
- mod_guts = ModGuts {
+ ; (msgs, mb_res)
+ <- case target of
+ HscNothing ->
+ return (emptyMessages,
+ Just ([], nilOL, [], [], NoStubs, hpcInfo, emptyModBreaks))
+ _ -> do
+ (binds_cvr,ds_hpc_info, modBreaks)
+ <- if (opt_Hpc
+ || target == HscInterpreted)
+ && (not (isHsBoot hsc_src))
+ then addCoverageTicksToBinds dflags mod mod_loc
+ (typeEnvTyCons type_env) binds
+ else return (binds, hpcInfo, emptyModBreaks)
+ initDs hsc_env mod rdr_env type_env $ do
+ do { ds_ev_binds <- dsEvBinds ev_binds
+ ; core_prs <- dsTopLHsBinds auto_scc binds_cvr
+ ; (spec_prs, spec_rules) <- dsImpSpecs imp_specs
+ ; (ds_fords, foreign_prs) <- dsForeigns fords
+ ; ds_rules <- mapMaybeM dsRule rules
+ ; ds_vects <- mapM dsVect vects
+ ; let hpc_init
+ | opt_Hpc = hpcInitCode mod ds_hpc_info
+ | otherwise = empty
+ ; return ( ds_ev_binds
+ , foreign_prs `appOL` core_prs `appOL` spec_prs
+ , spec_rules ++ ds_rules, ds_vects
+ , ds_fords `appendStubC` hpc_init
+ , ds_hpc_info, modBreaks) }
+
+ ; case mb_res of {
+ Nothing -> return (msgs, Nothing) ;
+ Just (ds_ev_binds, all_prs, all_rules, vects0, ds_fords, ds_hpc_info, modBreaks) -> do
+
+ { -- Add export flags to bindings
+ keep_alive <- readIORef keep_var
+ ; let (rules_for_locals, rules_for_imps)
+ = partition isLocalRule all_rules
+ final_prs = addExportFlagsAndRules target
+ export_set keep_alive rules_for_locals (fromOL all_prs)
+
+ final_pgm = combineEvBinds ds_ev_binds final_prs
+ -- Notice that we put the whole lot in a big Rec, even the foreign binds
+ -- When compiling PrelFloat, which defines data Float = F# Float#
+ -- we want F# to be in scope in the foreign marshalling code!
+ -- You might think it doesn't matter, but the simplifier brings all top-level
+ -- things into the in-scope set before simplifying; so we get no unfolding for F#!
+
+ -- Lint result if necessary, and print
+ ; dumpIfSet_dyn dflags Opt_D_dump_ds "Desugared, before opt" $
+ (vcat [ pprCoreBindings final_pgm
+ , pprRules rules_for_imps ])
+
+ ; (ds_binds, ds_rules_for_imps, ds_vects)
+ <- simpleOptPgm dflags final_pgm rules_for_imps vects0
+ -- The simpleOptPgm gets rid of type
+ -- bindings plus any stupid dead code
+
+ ; endPass dflags CoreDesugar ds_binds ds_rules_for_imps
+
+ ; let used_names = mkUsedNames tcg_env
+ ; deps <- mkDependencies tcg_env
+
+ ; let mod_guts = ModGuts {