, hscCompileBatch -- :: Compiler (HscStatus, ModIface, ModDetails)
, hscCompileNothing -- :: Compiler (HscStatus, ModIface, ModDetails)
, hscCompileInteractive -- :: Compiler (InteractiveStatus, ModIface, ModDetails)
+ , hscCheckRecompBackend
, HscStatus' (..)
, InteractiveStatus, HscStatus
import HscTypes
import MkExternalCore ( emitExternalCore )
import FastString
-import LazyUniqFM ( emptyUFM )
+import UniqFM ( emptyUFM )
import UniqSupply ( initUs_ )
import Bag ( unitBag )
import Exception
Just b -> return b
Nothing -> liftIO $ hGetStringBuffer src_filename
- let loc = mkSrcLoc (mkFastString src_filename) 1 0
+ let loc = mkSrcLoc (mkFastString src_filename) 1 1
case unP parseModule (mkPState buf loc dflags) of
PFailed span err ->
data HsCompiler a
= HsCompiler {
- -- | The main interface.
- hscCompile :: GhcMonad m =>
- HscEnv -> ModSummary -> Bool
- -> Maybe ModIface -> Maybe (Int, Int)
- -> m a,
-
-- | Called when no recompilation is necessary.
hscNoRecomp :: GhcMonad m =>
ModIface -> m a,
-> do hscMessage mb_mod_index True mod_summary
hscRecompile compiler mod_summary mb_old_hash
+hscCheckRecompBackend :: HsCompiler a -> TcGblEnv -> Compiler a
+hscCheckRecompBackend compiler tc_result
+ hsc_env mod_summary source_unchanged mb_old_iface _m_of_n =
+ withTempSession (\_ -> hsc_env) $ do
+ (recomp_reqd, mb_checked_iface)
+ <- {-# SCC "checkOldIface" #-}
+ liftIO $ checkOldIface hsc_env mod_summary
+ source_unchanged mb_old_iface
+
+ let mb_old_hash = fmap mi_iface_hash mb_checked_iface
+ case mb_checked_iface of
+ Just iface | not recomp_reqd
+ -> hscNoRecomp compiler iface{ mi_globals = Just (tcg_rdr_env tc_result) }
+ _otherwise
+ -> hscBackend compiler tc_result mod_summary mb_old_hash
+
genericHscRecompile :: GhcMonad m =>
HsCompiler a
-> ModSummary -> Maybe Fingerprint
hscOneShotCompiler =
HsCompiler {
- hscCompile = \hsc_env mod_summary src_changed mb_old_iface mb_i_of_n -> do
- -- One-shot mode needs a knot-tying mutable variable for interface
- -- files. See TcRnTypes.TcGblEnv.tcg_type_env_var.
- type_env_var <- liftIO $ newIORef emptyNameEnv
- let
- mod = ms_mod mod_summary
- hsc_env' = hsc_env{ hsc_type_env_var = Just (mod, type_env_var) }
- ---
- genericHscCompile hscOneShotCompiler
- oneShotMsg hsc_env' mod_summary src_changed
- mb_old_iface mb_i_of_n
-
- , hscNoRecomp = \_old_iface -> do
+ hscNoRecomp = \_old_iface -> do
withSession (liftIO . dumpIfaceStats)
return HscNoRecomp
-- Compile Haskell, boot and extCore in OneShot mode.
hscCompileOneShot :: Compiler OneShotResult
-hscCompileOneShot = hscCompile hscOneShotCompiler
+hscCompileOneShot hsc_env mod_summary src_changed mb_old_iface mb_i_of_n = do
+ -- One-shot mode needs a knot-tying mutable variable for interface
+ -- files. See TcRnTypes.TcGblEnv.tcg_type_env_var.
+ type_env_var <- liftIO $ newIORef emptyNameEnv
+ let
+ mod = ms_mod mod_summary
+ hsc_env' = hsc_env{ hsc_type_env_var = Just (mod, type_env_var) }
+ ---
+ genericHscCompile hscOneShotCompiler
+ oneShotMsg hsc_env' mod_summary src_changed
+ mb_old_iface mb_i_of_n
+
--------------------------------------------------------------
hscBatchCompiler =
HsCompiler {
- hscCompile = genericHscCompile hscBatchCompiler batchMsg
-
- , hscNoRecomp = \iface -> do
+ hscNoRecomp = \iface -> do
details <- genModDetails iface
return (HscNoRecomp, iface, details)
-- Compile Haskell, boot and extCore in batch mode.
hscCompileBatch :: Compiler (HscStatus, ModIface, ModDetails)
-hscCompileBatch = hscCompile hscBatchCompiler
+hscCompileBatch = genericHscCompile hscBatchCompiler batchMsg
--------------------------------------------------------------
hscInteractiveCompiler :: HsCompiler InteractiveResult
hscInteractiveCompiler =
HsCompiler {
- hscCompile = genericHscCompile hscInteractiveCompiler batchMsg
-
- , hscNoRecomp = \iface -> do
+ hscNoRecomp = \iface -> do
details <- genModDetails iface
return (HscNoRecomp, iface, details)
-- Compile Haskell, extCore to bytecode.
hscCompileInteractive :: Compiler (InteractiveStatus, ModIface, ModDetails)
-hscCompileInteractive = hscCompile hscInteractiveCompiler
+hscCompileInteractive = genericHscCompile hscInteractiveCompiler batchMsg
--------------------------------------------------------------
hscNothingCompiler :: HsCompiler NothingResult
hscNothingCompiler =
HsCompiler {
- hscCompile = genericHscCompile hscNothingCompiler batchMsg
-
- , hscNoRecomp = \iface -> do
+ hscNoRecomp = \iface -> do
details <- genModDetails iface
return (HscNoRecomp, iface, details)
, hscGenOutput = \_ _ _ ->
panic "hscCompileNothing: hscGenOutput should not be called"
}
+
-- Type-check Haskell and .hs-boot only (no external core)
hscCompileNothing :: Compiler (HscStatus, ModIface, ModDetails)
-hscCompileNothing = hscCompile hscNothingCompiler
+hscCompileNothing = genericHscCompile hscNothingCompiler batchMsg
--------------------------------------------------------------
-- NoRecomp handlers
-> HpcInfo
-> IO [Cmm]
tryNewCodeGen hsc_env this_mod data_tycons imported_mods
- cost_centre_info stg_binds hpc_info
- | not (dopt Opt_TryNewCodeGen (hsc_dflags hsc_env))
- = return []
- | otherwise
- = do { let dflags = hsc_dflags hsc_env
+ cost_centre_info stg_binds hpc_info =
+ do { let dflags = hsc_dflags hsc_env
; prog <- StgCmm.codeGen dflags this_mod data_tycons imported_mods
cost_centre_info stg_binds hpc_info
; dumpIfSet_dyn dflags Opt_D_dump_cmmz "Cmm produced by new codegen"
; prog <- return $ map (runTx $ runCmmOpts cmmCfgOptsZ) prog
-- Control flow optimisation
- -- Note: Have to thread the module's SRT through all the procedures
- -- because we greedily build it as we go.
+ -- We are building a single SRT for the entire module, so
+ -- we must thread it through all the procedures as we cps-convert them.
; us <- mkSplitUniqSupply 'S'
; let topSRT = initUs_ us emptySRT
; (topSRT, prog) <- foldM (protoCmmCPSZ hsc_env) (topSRT, []) prog
buf <- liftIO $ stringToStringBuffer str
- let loc = mkSrcLoc (fsLit "<interactive>") 1 0
+ let loc = mkSrcLoc (fsLit "<interactive>") 1 1
case unP parser (mkPState buf loc dflags) of