Module.hs

module UHC.Light.Compiler.EHC.CompilePhase.Module
( cpCheckModsModWith
, cpCheckModsWithOrWithoutBuiltin
, cpCheckModsWithBuiltin
, cpCheckModsWithoutBuiltin
, GetMeta (..), allGetMeta
, cpGetCoreRunModnameAndImports
, cpGetCoreModnameAndImports
, cpGetHsModnameAndImports, cpGetHsMod, cpGetMetaInfo
, cpGetDummyCheckSrcMod
, cpUpdateModOffMp
, cpGenImpNmInfo
, 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
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
import UHC.Light.Compiler.EHC.BuildFunction.Run
import UHC.Light.Compiler.Base.Debug





{-# LINE 58 "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 78 "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 90 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpCheckModsWithBuiltin :: EHCCompileRunner m => [HsName] -> EHCompilePhaseT m ()
cpCheckModsWithBuiltin = cpCheckModsWithOrWithoutBuiltin True
{-# INLINE cpCheckModsWithBuiltin #-}

{-# LINE 96 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpCheckModsWithoutBuiltin :: EHCCompileRunner m => [HsName] -> EHCompilePhaseT m ()
cpCheckModsWithoutBuiltin = cpCheckModsWithOrWithoutBuiltin False
{-# INLINE cpCheckModsWithoutBuiltin #-}

{-# LINE 106 "src/ehc/EHC/CompilePhase/Module.chs" #-}
data GetMeta
  = GetMeta_Src
  | GetMeta_HI
  | GetMeta_Core
  | GetMeta_CoreRun
  | GetMeta_Dir
  deriving (Eq,Ord)

allGetMeta
  = [ GetMeta_Src
    , GetMeta_HI
    , GetMeta_Core
    , GetMeta_CoreRun
    , GetMeta_Dir
    ]


{-# LINE 135 "src/ehc/EHC/CompilePhase/Module.chs" #-}
cpGetCoreRunModnameAndImports :: EHCCompileRunner m => HsName -> EHCompilePhaseT m HsName
cpGetCoreRunModnameAndImports modNm
  =  do  {  cr <- get
         ;  let  (ecu,_,opts,_) = crBaseInfo modNm cr
                 mbCrSemMod = _ecuMbCoreRunSemMod ecu
                 crSemMod   = panicJust "cpGetCoreRunModnameAndImports" mbCrSemMod
                 modNm'     = CoreRun2ChkSem.realModuleNm_Syn_AGItf crSemMod
         ;  cpMsg modNm VerboseDebug $ "cpGetCoreRunModnameAndImports: " ++ show modNm ++ " -> " ++ show modNm'
         ;  case mbCrSemMod of
              Just _ -> cpUpdCUWithKey modNm $ \_ ecu ->
                          ( modNm'
                          , ecuStoreHSDeclImpS (Set.fromList $ CoreRun2ChkSem.impModNmL_Syn_AGItf crSemMod )
                            $ cuUpdKey modNm' ecu
                          )
              _      -> return modNm
         }

{-# LINE 154 "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 VerboseDebug $ "cpGetCoreModnameAndImports: " ++ show modNm ++ " -> " ++ show modNm'
         ;  case mbCrSemMod of
              Just _ -> cpUpdCUWithKey modNm $ \_ ecu ->
                          ( modNm'
                          , ecuStoreHSDeclImpS (Set.fromList $ Core2ChkSem.impModNmL_Syn_CodeAGItf crSemMod )
                            $ cuUpdKey modNm' ecu
                          )
              _      -> return modNm
         }

{-# LINE 173 "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        = ecuStoreHSDeclImpS ( -- (\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
         }

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))
         }

cpGetMetaInfo :: EHCCompileRunner m => [GetMeta] -> HsName -> EHCompilePhaseT m ()
cpGetMetaInfo gm modNm
  =  do  {  cr <- get
         ;  let (ecu,_,opts,fp) = crBaseInfo modNm cr
         ;  when (GetMeta_Src `elem` gm) $
                 tm opts ecu ecuStoreSrcTime        (ecuSrcFilePath ecu)
                 -- void $ bcall $ ModfTimeOfFile modNm ASTType_HS (_ecuASTFileContent ecu, ASTFileUse_Src) ASTFileTiming_Current

         ;  when (GetMeta_HI `elem` gm)
                 (tm opts ecu ecuStoreHIInfoTime
                                              (mkInOrOutputFPathFor (InputFrom_Loc $ ecuFileLocation ecu) opts modNm fp "hi")
                 )
         ;  when (GetMeta_Core `elem` gm) $
                 -- tm opts ecu ecuStoreCoreTime      (fpathSetSuff Cfg.suffixDotlessBinaryCore fp)
                 dfltPrev ASTType_Core modNm ecu
         ;  when (GetMeta_CoreRun `elem` gm) $
                 -- tm opts ecu ecuStoreCoreRunTime   (fpathSetSuff Cfg.suffixDotlessBinaryCoreRun fp)
                 dfltPrev ASTType_CoreRun modNm ecu
         ;  when (GetMeta_Dir `elem` gm)
                 (wr opts ecu ecuStoreDirIsWritable (                         fp     ))
         }
  where dfltPrev astty modNm ecu = void $ bcall $ ModfTimeOfFile modNm astty (ASTFileContent_Binary, ASTFileUse_Cache) ASTFileTiming_Prev

        tm :: EHCCompileRunner m => EHCOpts -> EHCompileUnit -> (ClockTime -> EHCompileUnit -> EHCompileUnit) -> FPath -> EHCompilePhaseT m ()
        tm opts ecu store fp
          = do { let n = fpathToStr fp
               ; nExists <- liftIO $ doesFileExist n
               ; when (ehcOptVerbosity opts >= VerboseDebug)
                      (do { liftIO $ putStrLn ("meta info of: " ++ show (ecuModNm ecu) ++ ", file: " ++ n ++ ", exists: " ++ show nExists)
                          })
               ; when nExists
                      (do { t <- liftIO $ fpathGetModificationTime fp
                          ; when (ehcOptVerbosity opts >= VerboseDebug)
                                 (do { liftIO $ putStrLn ("time stamp of: " ++ show (ecuModNm ecu) ++ ", time: " ++ show t)
                                     })
                          ; cpUpdCU modNm $ store t
                          })
               }
        wr opts ecu store fp
          = do { pm <- liftIO $ getPermissions (maybe "." id $ fpathMbDir fp)
               -- ; liftIO $ putStrLn (fpathToStr fp ++ " writ " ++ show (writable pm))
               ; cpUpdCU modNm $ store (writable pm)
               }

{-# LINE 269 "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 285 "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 308 "src/ehc/EHC/CompilePhase/Module.chs" #-}
-- | Compute imported module names
cpGenImpNmInfo :: EHCCompileRunner m => HsName -> EHCompilePhaseT m [HsName]
cpGenImpNmInfo 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 325 "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]
             })