-- -----------------------------------------------------------------------------
--
-- (c) The University of Glasgow, 2011
--
-- Generate code to initialise cost centres
--
-- -----------------------------------------------------------------------------

module Eta.Profiling.ProfInit (profilingInitCode) where

import Eta.Profiling.CostCentre
-- import Eta.Main.DynFlags
import Eta.Utils.Outputable
-- import Eta.Utils.FastString
import Eta.BasicTypes.Module

-- -----------------------------------------------------------------------------
-- Initialising cost centres

-- We must produce declarations for the cost-centres defined in this
-- module;

profilingInitCode :: Module -> CollectedCCs -> SDoc
profilingInitCode _ (_, ___extern_CCs, _)
 = sdocWithDynFlags $ const empty
   -- if not (gopt Opt_SccProfilingOn dflags)
   -- then  empty
 --   else vcat
 --    [ text "static void prof_init_" <> ppr this_mod
 --         <> text "(void) __attribute__((constructor));"
 --    , text "static void prof_init_" <> ppr this_mod <> text "(void)"
 --    , braces (vcat (
 --         map emitRegisterCC           local_CCs ++
 --         map emitRegisterCCS          singleton_CCSs
 --       ))
 --    ]
 -- where
 --   emitRegisterCC cc   =
 --      ptext (sLit "extern CostCentre ") <> cc_lbl <> ptext (sLit "[];") $$
 --      ptext (sLit "REGISTER_CC(") <> cc_lbl <> char ')' <> semi
 --     where cc_lbl = ppr (mkCCLabel cc)
 --   emitRegisterCCS ccs =
 --      ptext (sLit "extern CostCentreStack ") <> ccs_lbl <> ptext (sLit "[];") $$
 --      ptext (sLit "REGISTER_CCS(") <> ccs_lbl <> char ')' <> semi
 --     where ccs_lbl = ppr (mkCCSLabel ccs)
