module UHC.Light.Compiler.EHC.CompilePhase.Module
( cpCheckModsModWith
, cpCheckModsWithOrWithoutBuiltin
, cpCheckModsWithBuiltin
, cpCheckModsWithoutBuiltin
, cpGetCoreModnameAndImports
, cpGetHsModnameAndImports
, cpGetHsMod
, cpGetDummyCheckSrcMod
, cpUpdateModOffMp
, cpGenImportNameInfo
, cpUpdHiddenExports )
where
import qualified Data.Map as Map
import qualified Data.Set as Set
import qualified UHC.Util.Rel as Rel
import UHC.Util.Time
import UHC.Util.FPath
import System.Directory
import Control.Monad.State
import UHC.Light.Compiler.Base.Optimize
import UHC.Light.Compiler.EHC.Common
import UHC.Light.Compiler.EHC.CompileUnit
import UHC.Light.Compiler.EHC.CompileRun.Base
import UHC.Light.Compiler.Module.ImportExport
import qualified UHC.Light.Compiler.Config as Cfg
import qualified UHC.Light.Compiler.HS.ModImpExp as HSSemMod
import qualified UHC.Light.Compiler.Core.Check as Core2ChkSem
import qualified UHC.Light.Compiler.CoreRun.Check as CoreRun2ChkSem
import UHC.Light.Compiler.CodeGen.RefGenerator





{-# LINE 55 "src/ehc/EHC/CompilePhase/Module.chs" #-}
-- | Check module dependencies for given 'Mod'
cpCheckModsModWith :: EHCCompileRunner m => (HsName -> ModMpInfo) -> [Mod] -> EHCompilePhaseT m ()
cpCheckModsModWith dfltMod modL@(Mod {modName = modNm} : _)
  = do { cr <- get
       ; cpMsg modNm VerboseDebug $ "cpCheckModsModWith modL: " ++ show modL
       ; let crsi   = _crStateInfo cr
             (mm,e) = modMpCombine' dfltMod modL (crsiModMp crsi)
       ; cpUpdSI (\crsi -> crsi {crsiModMp = mm})
       ; cpSetLimitErrsWhen 5 "Module analysis" e
       }

{-# LINE 75 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpCheckModsWithOrWithoutBuiltin :: EHCCompileRunner m => Bool -> [HsName] -> EHCompilePhaseT m ()
cpCheckModsWithOrWithoutBuiltin bltin modNmL@(modNm:_)
  = do { cr <- get
       ; cpMsg modNm VerboseDebug $ "cpCheckModsWithOrWithoutBuiltin modNmL: " ++ show modNmL
       ; let modL   = [ addBuiltin $ ecuMod $ crCU n cr | n <- modNmL ]
       ; cpCheckModsModWith (\n -> panic $ "cpCheckModsWithOrWithoutBuiltin: " ++ show n) modL
       }
  where addBuiltin | bltin     = \m -> m { modImpL = modImpBuiltin : modImpL m }
                   | otherwise = id

{-# LINE 87 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpCheckModsWithBuiltin :: EHCCompileRunner m => [HsName] -> EHCompilePhaseT m ()
cpCheckModsWithBuiltin = cpCheckModsWithOrWithoutBuiltin True
{-# INLINE cpCheckModsWithBuiltin #-}

{-# LINE 93 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpCheckModsWithoutBuiltin :: EHCCompileRunner m => [HsName] -> EHCompilePhaseT m ()
cpCheckModsWithoutBuiltin = cpCheckModsWithOrWithoutBuiltin False
{-# INLINE cpCheckModsWithoutBuiltin #-}

{-# LINE 122 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpGetCoreModnameAndImports :: EHCCompileRunner m => HsName -> EHCompilePhaseT m HsName
cpGetCoreModnameAndImports modNm
  =  do  {  cr <- get
         ;  let  (ecu,_,opts,_) = crBaseInfo modNm cr
                 mbCrSemMod = _ecuMbCoreSemMod ecu
                 crSemMod   = panicJust "cpGetCoreModnameAndImports" mbCrSemMod
                 modNm'     = Core2ChkSem.realModuleNm_Syn_CodeAGItf crSemMod
         ;  cpMsg modNm VerboseALot $ "cpGetCoreModnameAndImports: " ++ show modNm ++ " -> " ++ show modNm'
         ;  case mbCrSemMod of
              Just _ -> cpUpdCUWithKey modNm $ \_ ecu ->
                          ( modNm'
                          , ecuStoreSrcDeclImpS (Set.fromList $ Core2ChkSem.impModNmL_Syn_CodeAGItf crSemMod )
                            $ cuUpdKey modNm' ecu
                          )
              _      -> return modNm
         }

{-# LINE 141 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpGetHsModnameAndImports :: EHCCompileRunner m => HsName -> EHCompilePhaseT m HsName
cpGetHsModnameAndImports modNm
  =  do  {  cr <- get
         ;  let  (ecu,_,opts,_) = crBaseInfo modNm cr
                 mbHsSemMod = _ecuMbHSSemMod ecu
                 hsSemMod   = panicJust "cpGetHsModnameAndImports" mbHsSemMod
                 modNm'     = HSSemMod.realModuleNm_Syn_AGItf hsSemMod
                 upd        = ecuStoreSrcDeclImpS ( -- (\v -> tr "XX" (pp $ Set.toList v) v) $
                                                  HSSemMod.modImpNmS_Syn_AGItf hsSemMod)
         ;  case mbHsSemMod of
              Just _ | _ecuIsTopMod ecu -> cpUpdCUWithKey modNm (\_ ecu -> (modNm', upd $ cuUpdKey modNm' ecu))
                     | otherwise        -> do { cpUpdCU modNm upd ; return modNm }
              _      -> return modNm
         }

{-# LINE 158 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpGetHsMod :: EHCCompileRunner m => HsName -> EHCompilePhaseT m ()
cpGetHsMod modNm
  =  do  {  cr <- get
         ;  let  (ecu,_,opts,_) = crBaseInfo modNm cr
                 mbHsSemMod = _ecuMbHSSemMod ecu
                 hsSemMod   = panicJust "cpGetHsMod" mbHsSemMod
                 mod        = HSSemMod.mod_Syn_AGItf hsSemMod
         ;  when (ehcOptVerbosity opts >= VerboseDebug)
                 (do { cpMsg modNm VerboseDebug "cpGetHsMod"
                     ; liftIO $ putWidthPPLn 120 (pp mod)
                     })
         ;  when (isJust mbHsSemMod)
                 (cpUpdCU modNm (ecuStoreMod mod))
         }

{-# LINE 179 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpGetDummyCheckSrcMod :: EHCCompileRunner m => HsName -> EHCompilePhaseT m ()
cpGetDummyCheckSrcMod modNm
  = do { cr <- get
       ; let crsi   = _crStateInfo cr
             mm     = crsiModMp crsi
             mod    = Mod modNm Nothing Nothing [] Rel.empty Rel.empty []
       ; cpUpdCU modNm (ecuStoreMod mod)
       ; cpUpdSI (\crsi -> crsi {crsiModMp = Map.insert modNm emptyModMpInfo mm})
       }

{-# LINE 195 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpUpdateModOffMp :: EHCCompileRunner m => [HsName] -> EHCompilePhaseT m ()
cpUpdateModOffMp modNmL@(modNm:_)
  = do { cr <- get
       ; cpMsg modNm VerboseDebug "cpUpdateModOffMp"
       ; let crsi   = _crStateInfo cr
             offMp  = crsiModOffMp crsi
             (offMp',_)
                    = foldr add (offMp, Map.size offMp) modNmL
                    where add modNm (offMp, offset)
                            = case Map.lookup modNm offMp of
                                Just (o,_) -> (Map.insert modNm (o, new) offMp, offset )
                                _          -> (Map.insert modNm (o, new) offMp, offset')
                                           where (o, offset') = refGen1 offset 1 modNm
                            where new = crsiExpNmOffMp modNm crsi
       ; cpUpdSI (\crsi -> crsi {crsiModOffMp = offMp'})
       }

{-# LINE 218 "src/ehc/EHC/CompilePhase/Module.chs" #-}
-- | Compute imported module names
cpGenImportNameInfo :: EHCCompileRunner m => HsName -> EHCompilePhaseT m [HsName]
cpGenImportNameInfo modNm
  = do { cr <- get
       ; let (ecu,crsi,opts,fp) = crBaseInfo modNm cr
             isWholeProg = ehcOptOptimizationScope opts > OptimizationScope_PerModule
             impNmL     | isWholeProg = []
                        | otherwise   = ecuImpNmL ecu
       ; return impNmL
       }

{-# LINE 235 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpUpdHiddenExports :: EHCCompileRunner m => HsName -> [(HsName,IdOccKind)] -> EHCompilePhaseT m ()
cpUpdHiddenExports modNm exps
  = when (not $ null exps)
         (do { cpUpdSI (\crsi -> crsi { crsiModMp = modMpAddHiddenExps modNm exps $ crsiModMp crsi
                                      })
             ; cpUpdateModOffMp [modNm]
             })