X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FHscMain.lhs;h=124d9f0803ff22ed6a40824f9f6cfce7cbe13e8e;hb=3c96346b3685f83885cea7906b0dbc536d7695f6;hp=7236620b90a9d6d07ca52c3302bc90845f146e76;hpb=229307330827699a964174a69b03969769ca19dd;p=ghc-hetmet.git diff --git a/ghc/compiler/main/HscMain.lhs b/ghc/compiler/main/HscMain.lhs index 7236620..124d9f0 100644 --- a/ghc/compiler/main/HscMain.lhs +++ b/ghc/compiler/main/HscMain.lhs @@ -5,16 +5,21 @@ \section[GHC_Main]{Main driver for Glasgow Haskell compiler} \begin{code} -module HscMain ( - HscResult(..), - hscMain, newHscEnv, hscCmmFile, - hscFileCheck, - hscParseIdentifier, +module HscMain + ( newHscEnv, hscCmmFile + , hscFileCheck + , hscParseIdentifier #ifdef GHCI - hscStmt, hscTcExpr, hscKcType, - compileExpr, + , hscStmt, hscTcExpr, hscKcType + , compileExpr #endif - ) where + , hscCompileOneShot -- :: Compiler HscStatus + , hscCompileMake -- :: Compiler (HscStatus, ModIface, ModDetails) + , hscCompileInteractive -- :: Compiler (InteractiveStatus, ModIface, ModDetails) + , HscStatus (..) + , InteractiveStatus (..) + , HscChecked (..) + ) where #include "HsVersions.h" @@ -53,9 +58,9 @@ import IfaceEnv ( initNameCache ) import LoadIface ( ifaceStats, initExternalPackageState ) import PrelInfo ( wiredInThings, basicKnownKeyNames ) import MkIface ( checkOldIface, mkIface, writeIfaceFile ) -import Desugar +import Desugar ( deSugar ) import Flattening ( flatten ) -import SimplCore +import SimplCore ( core2core ) import TidyPgm ( tidyProgram, mkBootModDetails ) import CorePrep ( corePrepPgm ) import CoreToStg ( coreToStg ) @@ -69,7 +74,6 @@ import CodeOutput ( codeOutput ) import DynFlags import ErrUtils -import Util import UniqSupply ( mkSplitUniqSupply ) import Outputable @@ -82,7 +86,6 @@ import FastString import Maybes ( expectJust ) import Bag ( unitBag ) import Monad ( when ) -import Maybe ( isJust ) import IO import DATA_IOREF ( newIORef, readIORef ) \end{code} @@ -152,47 +155,27 @@ Trying to compile a hs-boot file to byte-code will result in a run-time error. This is the only thing that isn't caught by the type-system. \begin{code} -data HscResult - -- Compilation failed - = HscFail - -- In IDE mode: we just do the static/dynamic checks - | HscChecked +data HscChecked + = HscChecked -- parsed - (Located (HsModule RdrName)) + (Located (HsModule RdrName)) -- renamed - (Maybe (HsGroup Name,[LImportDecl Name],Maybe [LIE Name])) + (Maybe (HsGroup Name,[LImportDecl Name],Maybe [LIE Name])) -- typechecked - (Maybe (LHsBinds Id, GlobalRdrEnv, ModDetails)) + (Maybe (LHsBinds Id, GlobalRdrEnv, ModDetails)) - -- Concluded that it wasn't necessary - | HscNoRecomp ModDetails -- new details (HomeSymbolTable additions) - ModIface -- new iface (if any compilation was done) - - -- Did recompilation - | HscRecomp ModDetails -- new details (HomeSymbolTable additions) - ModIface -- new iface (if any compilation was done) - Bool -- stub_h exists - Bool -- stub_c exists - (Maybe CompiledByteCode) - - --- What to do when we have compiler error or warning messages -type MessageAction = Messages -> IO () - - --------------------------------------------------------------- --- Exterimental code start. --------------------------------------------------------------- +-- Status of a compilation to hard-code or nothing. data HscStatus - = NewHscNoRecomp - | NewHscRecomp Bool -- Has stub files. - -- This is a hack. We can't compile C files here - -- since it's done in DriverPipeline. For now we - -- just return True if we want the caller to compile - -- it for us. - + = HscNoRecomp + | HscRecomp Bool -- Has stub files. + -- This is a hack. We can't compile C files here + -- since it's done in DriverPipeline. For now we + -- just return True if we want the caller to compile + -- it for us. + +-- Status of a compilation to byte-code. data InteractiveStatus = InteractiveNoRecomp | InteractiveRecomp Bool -- Same as HscStatus @@ -212,6 +195,9 @@ type Compiler result = HscEnv -> IO (Maybe result) +-- This functions checks if recompilation is necessary and +-- then combines the FrontEnd, BackEnd and CodeGen to a +-- working compiler. hscMkCompiler :: NoRecomp result -- What to do when recompilation isn't required. -> FrontEnd core -> BackEnd core prepCore @@ -239,11 +225,15 @@ hscMkCompiler norecomp frontend backend codegen result <- codegen hsc_env mod_summary prepCore return (Just result) +-------------------------------------------------------------- +-- Compilers +-------------------------------------------------------------- + -- Compile Haskell, boot and extCore in OneShot mode. hscCompileOneShot :: Compiler HscStatus hscCompileOneShot hsc_env mod_summary = compiler hsc_env mod_summary - where mkComp = hscMkCompiler (norecompOneShot NewHscNoRecomp) + where mkComp = hscMkCompiler (norecompOneShot HscNoRecomp) compiler = case ms_hsc_src mod_summary of ExtCoreFile @@ -253,7 +243,7 @@ hscCompileOneShot hsc_env mod_summary = -> mkComp hscFileFrontEnd hscNewBackEnd hscCodeGenOneShot HsBootFile -> mkComp hscFileFrontEnd hscNewBootBackEnd - (hscCodeGenConst (NewHscRecomp False)) + (hscCodeGenConst (HscRecomp False)) -- Compile Haskell, boot and extCore in --make mode. hscCompileMake :: Compiler (HscStatus, ModIface, ModDetails) @@ -261,7 +251,7 @@ hscCompileMake hsc_env mod_summary = compiler hsc_env mod_summary where mkComp = hscMkCompiler norecompMake backend = case hscTarget (hsc_dflags hsc_env) of - HscNothing -> hscCodeGenSimple (\(i, d, g) -> (NewHscRecomp False, i, d)) + HscNothing -> hscCodeGenNothing _other -> hscCodeGenMake compiler = case ms_hsc_src mod_summary of @@ -285,6 +275,10 @@ hscCompileInteractive hsc_env mod_summary = bootErrorMsg = "Compiling a HsBootFile to bytecode doesn't make sense. " ++ "Use 'hscCompileMake' instead." +-------------------------------------------------------------- +-- NoRecomp handlers +-------------------------------------------------------------- + norecompOneShot :: a -> NoRecomp a norecompOneShot a hsc_env mod_summary have_object old_iface @@ -295,7 +289,7 @@ norecompOneShot a hsc_env mod_summary return a norecompMake :: NoRecomp (HscStatus, ModIface, ModDetails) -norecompMake = norecompWorker NewHscNoRecomp +norecompMake = norecompWorker HscNoRecomp norecompInteractive :: NoRecomp (InteractiveStatus, ModIface, ModDetails) norecompInteractive = norecompWorker InteractiveNoRecomp @@ -312,6 +306,83 @@ norecompWorker a hsc_env mod_summary have_object dumpIfaceStats hsc_env return (a, old_iface, new_details) +-------------------------------------------------------------- +-- FrontEnds +-------------------------------------------------------------- + +hscCoreFrontEnd :: FrontEnd ModGuts +hscCoreFrontEnd hsc_env mod_summary mb_mod_index = do { + ------------------- + -- PARSE + ------------------- + ; inp <- readFile (expectJust "hscCoreFrontEnd" (ms_hspp_file mod_summary)) + ; case parseCore inp 1 of + FailP s -> do errorMsg (hsc_dflags hsc_env) (text s{-ToDo: wrong-}) + return Nothing + OkP rdr_module -> do { + + ------------------- + -- RENAME and TYPECHECK + ------------------- + ; (tc_msgs, maybe_tc_result) <- {-# SCC "TypeCheck" #-} + tcRnExtCore hsc_env rdr_module + ; printErrorsAndWarnings (hsc_dflags hsc_env) tc_msgs + ; case maybe_tc_result of + Nothing -> return Nothing + Just mod_guts -> return (Just mod_guts) -- No desugaring to do! + }} + +hscFileFrontEnd :: FrontEnd ModGuts +hscFileFrontEnd hsc_env mod_summary mb_mod_index = do { + ------------------- + -- DISPLAY PROGRESS MESSAGE + ------------------- + ; let dflags = hsc_dflags hsc_env + one_shot = isOneShot (ghcMode dflags) + toInterp = hscTarget dflags == HscInterpreted + ; when (not one_shot) $ + compilationProgressMsg dflags $ + (showModuleIndex mb_mod_index ++ + "Compiling " ++ showModMsg (not toInterp) mod_summary) + + ------------------- + -- PARSE + ------------------- + ; let hspp_file = expectJust "hscFileFrontEnd" (ms_hspp_file mod_summary) + hspp_buf = ms_hspp_buf mod_summary + + ; maybe_parsed <- myParseModule dflags hspp_file hspp_buf + + ; case maybe_parsed of { + Left err -> do { printBagOfErrors dflags (unitBag err) + ; return Nothing } ; + Right rdr_module -> do { + + ------------------- + -- RENAME and TYPECHECK + ------------------- + (tc_msgs, maybe_tc_result) + <- {-# SCC "Typecheck-Rename" #-} + tcRnModule hsc_env (ms_hsc_src mod_summary) False rdr_module + + ; printErrorsAndWarnings dflags tc_msgs + ; case maybe_tc_result of { + Nothing -> return Nothing ; + Just tc_result -> do { + + ------------------- + -- DESUGAR + ------------------- + ; (warns, maybe_ds_result) <- {-# SCC "DeSugar" #-} + deSugar hsc_env tc_result + ; printBagOfWarnings dflags warns + ; return maybe_ds_result + }}}}} + +-------------------------------------------------------------- +-- BackEnds +-------------------------------------------------------------- + hscNewBootBackEnd :: BackEnd ModGuts (HscStatus, ModIface, ModDetails) hscNewBootBackEnd hsc_env mod_summary maybe_old_iface ds_result = do details <- mkBootModDetails hsc_env ds_result @@ -321,7 +392,7 @@ hscNewBootBackEnd hsc_env mod_summary maybe_old_iface ds_result writeIfaceFile hsc_env (ms_location mod_summary) new_iface no_change -- And the answer is ... dumpIfaceStats hsc_env - return (NewHscRecomp False, new_iface, details) + return (HscRecomp False, new_iface, details) hscNewBackEnd :: BackEnd ModGuts (ModIface, ModDetails, CgGuts) hscNewBackEnd hsc_env mod_summary maybe_old_iface ds_result @@ -396,22 +467,26 @@ hscNewBackEnd hsc_env mod_summary maybe_old_iface ds_result ; return (new_iface, details, cg_guts) } +-------------------------------------------------------------- +-- Code generators +-------------------------------------------------------------- + -- Don't output any code. hscCodeGenNothing :: CodeGen (ModIface, ModDetails, CgGuts) (HscStatus, ModIface, ModDetails) hscCodeGenNothing hsc_env mod_summary (iface, details, cgguts) - = return (NewHscRecomp False, iface, details) + = return (HscRecomp False, iface, details) -- Generate code and return both the new ModIface and the ModDetails. hscCodeGenMake :: CodeGen (ModIface, ModDetails, CgGuts) (HscStatus, ModIface, ModDetails) hscCodeGenMake hsc_env mod_summary (iface, details, cgguts) = do hasStub <- hscCodeGenCompile hsc_env mod_summary cgguts - return (NewHscRecomp hasStub, iface, details) + return (HscRecomp hasStub, iface, details) -- Here we don't need the ModIface and ModDetails anymore. hscCodeGenOneShot :: CodeGen (ModIface, ModDetails, CgGuts) HscStatus hscCodeGenOneShot hsc_env mod_summary (_, _, cgguts) = do hasStub <- hscCodeGenCompile hsc_env mod_summary cgguts - return (NewHscRecomp hasStub) + return (HscRecomp hasStub) hscCodeGenCompile :: CodeGen CgGuts Bool hscCodeGenCompile hsc_env mod_summary cgguts @@ -426,7 +501,6 @@ hscCodeGenCompile hsc_env mod_summary cgguts cg_dep_pkgs = dependencies } = cgguts dflags = hsc_dflags hsc_env location = ms_location mod_summary - modName = ms_mod mod_summary data_tycons = filter isDataTyCon tycons -- cg_tycons includes newtypes, for the benefit of External Core, -- but we don't generate any code for newtypes @@ -454,9 +528,6 @@ hscCodeGenCompile hsc_env mod_summary cgguts hscCodeGenIdentity :: CodeGen a a hscCodeGenIdentity hsc_env mod_summary a = return a -hscCodeGenSimple :: (a -> b) -> CodeGen a b -hscCodeGenSimple fn hsc_env mod_summary a = return (fn a) - hscCodeGenConst :: b -> CodeGen a b hscCodeGenConst b hsc_env mod_summary a = return b @@ -474,7 +545,6 @@ hscCodeGenInteractive hsc_env mod_summary (iface, details, cgguts) cg_dep_pkgs = dependencies } = cgguts dflags = hsc_dflags hsc_env location = ms_location mod_summary - modName = ms_mod mod_summary data_tycons = filter isDataTyCon tycons -- cg_tycons includes newtypes, for the benefit of External Core, -- but we don't generate any code for newtypes @@ -495,163 +565,9 @@ hscCodeGenInteractive hsc_env mod_summary (iface, details, cgguts) #endif - --------------------------------------------------------------- --- Exterimental code end. --------------------------------------------------------------- - - -- no errors or warnings; the individual passes - -- (parse/rename/typecheck) print messages themselves - -hscMain - :: HscEnv - -> ModSummary - -> Bool -- True <=> source unchanged - -> Bool -- True <=> have an object file (for msgs only) - -> Maybe ModIface -- Old interface, if available - -> Maybe (Int, Int) -- Just (i,n) <=> module i of n (for msgs) - -> IO HscResult - -hscMain hsc_env mod_summary - source_unchanged have_object maybe_old_iface - mb_mod_index - = do { - (recomp_reqd, maybe_checked_iface) <- - {-# SCC "checkOldIface" #-} - checkOldIface hsc_env mod_summary - source_unchanged maybe_old_iface; - - let no_old_iface = not (isJust maybe_checked_iface) - what_next | recomp_reqd || no_old_iface = hscRecomp - | otherwise = hscNoRecomp - - ; what_next hsc_env mod_summary have_object - maybe_checked_iface - mb_mod_index - } - - ------------------------------- -hscNoRecomp hsc_env mod_summary - have_object (Just old_iface) - mb_mod_index - | isOneShot (ghcMode (hsc_dflags hsc_env)) - = do { - compilationProgressMsg (hsc_dflags hsc_env) $ - "compilation IS NOT required"; - dumpIfaceStats hsc_env ; - - let { bomb = panic "hscNoRecomp:OneShot" }; - return (HscNoRecomp bomb bomb) - } - | otherwise - = do { compilationProgressMsg (hsc_dflags hsc_env) $ - (showModuleIndex mb_mod_index ++ - "Skipping " ++ showModMsg have_object mod_summary) - - ; new_details <- {-# SCC "tcRnIface" #-} - initIfaceCheck hsc_env $ - typecheckIface old_iface ; - ; dumpIfaceStats hsc_env - - ; return (HscNoRecomp new_details old_iface) - } - -hscNoRecomp hsc_env mod_summary - have_object Nothing - mb_mod_index - = panic "hscNoRecomp" -- hscNoRecomp definitely expects to - -- have the old interface available - ------------------------------ -hscRecomp hsc_env mod_summary - have_object maybe_old_iface - mb_mod_index - = case ms_hsc_src mod_summary of - HsSrcFile -> do - front_res <- hscFileFrontEnd hsc_env mod_summary mb_mod_index - case ghcMode (hsc_dflags hsc_env) of - JustTypecheck -> hscBootBackEnd hsc_env mod_summary maybe_old_iface front_res - _ -> hscBackEnd hsc_env mod_summary maybe_old_iface front_res - - HsBootFile -> do - front_res <- hscFileFrontEnd hsc_env mod_summary mb_mod_index - hscBootBackEnd hsc_env mod_summary maybe_old_iface front_res - - ExtCoreFile -> do - front_res <- hscCoreFrontEnd hsc_env mod_summary mb_mod_index - hscBackEnd hsc_env mod_summary maybe_old_iface front_res - -hscCoreFrontEnd hsc_env mod_summary mb_mod_index = do { - ------------------- - -- PARSE - ------------------- - ; inp <- readFile (expectJust "hscCoreFrontEnd" (ms_hspp_file mod_summary)) - ; case parseCore inp 1 of - FailP s -> errorMsg (hsc_dflags hsc_env) (text s{-ToDo: wrong-}) >> return Nothing - OkP rdr_module -> do { - - ------------------- - -- RENAME and TYPECHECK - ------------------- - ; (tc_msgs, maybe_tc_result) <- {-# SCC "TypeCheck" #-} - tcRnExtCore hsc_env rdr_module - ; printErrorsAndWarnings (hsc_dflags hsc_env) tc_msgs - ; case maybe_tc_result of - Nothing -> return Nothing - Just mod_guts -> return (Just mod_guts) -- No desugaring to do! - }} - -hscFileFrontEnd hsc_env mod_summary mb_mod_index = do { - ------------------- - -- DISPLAY PROGRESS MESSAGE - ------------------- - ; let dflags = hsc_dflags hsc_env - one_shot = isOneShot (ghcMode dflags) - toInterp = hscTarget dflags == HscInterpreted - ; when (not one_shot) $ - compilationProgressMsg dflags $ - (showModuleIndex mb_mod_index ++ - "Compiling " ++ showModMsg (not toInterp) mod_summary) - - ------------------- - -- PARSE - ------------------- - ; let hspp_file = expectJust "hscFileFrontEnd" (ms_hspp_file mod_summary) - hspp_buf = ms_hspp_buf mod_summary - - ; maybe_parsed <- myParseModule dflags hspp_file hspp_buf - - ; case maybe_parsed of { - Left err -> do { printBagOfErrors dflags (unitBag err) - ; return Nothing } ; - Right rdr_module -> do { - - ------------------- - -- RENAME and TYPECHECK - ------------------- - (tc_msgs, maybe_tc_result) - <- {-# SCC "Typecheck-Rename" #-} - tcRnModule hsc_env (ms_hsc_src mod_summary) False rdr_module - - ; printErrorsAndWarnings dflags tc_msgs - ; case maybe_tc_result of { - Nothing -> return Nothing ; - Just tc_result -> do { - - ------------------- - -- DESUGAR - ------------------- - ; (warns, maybe_ds_result) <- {-# SCC "DeSugar" #-} - deSugar hsc_env tc_result - ; printBagOfWarnings dflags warns - ; return maybe_ds_result - }}}}} - ------------------------------- - -hscFileCheck :: HscEnv -> ModSummary -> IO HscResult +hscFileCheck :: HscEnv -> ModSummary -> IO (Maybe HscChecked) hscFileCheck hsc_env mod_summary = do { ------------------- -- PARSE @@ -664,7 +580,7 @@ hscFileCheck hsc_env mod_summary = do { ; case maybe_parsed of { Left err -> do { printBagOfErrors dflags (unitBag err) - ; return HscFail } ; + ; return Nothing } ; Right rdr_module -> do { ------------------- @@ -678,7 +594,7 @@ hscFileCheck hsc_env mod_summary = do { ; printErrorsAndWarnings dflags tc_msgs ; case maybe_tc_result of { - Nothing -> return (HscChecked rdr_module Nothing Nothing); + Nothing -> return (Just (HscChecked rdr_module Nothing Nothing)); Just tc_result -> do let md = ModDetails { md_types = tcg_type_env tc_result, @@ -691,194 +607,13 @@ hscFileCheck hsc_env mod_summary = do { imports <- tcg_rn_imports tc_result let exports = tcg_rn_exports tc_result return (decl,imports,exports) - return (HscChecked rdr_module + return (Just (HscChecked rdr_module rnInfo (Just (tcg_binds tc_result, tcg_rdr_env tc_result, - md))) + md)))) }}}} ------------------------------- -hscBootBackEnd :: HscEnv -> ModSummary -> Maybe ModIface -> Maybe ModGuts -> IO HscResult --- For hs-boot files, there's no code generation to do - -hscBootBackEnd hsc_env mod_summary maybe_old_iface Nothing - = return HscFail -hscBootBackEnd hsc_env mod_summary maybe_old_iface (Just ds_result) - = do { details <- mkBootModDetails hsc_env ds_result - - ; (new_iface, no_change) - <- {-# SCC "MkFinalIface" #-} - mkIface hsc_env maybe_old_iface ds_result details - - ; writeIfaceFile hsc_env (ms_location mod_summary) new_iface no_change - - -- And the answer is ... - ; dumpIfaceStats hsc_env - - ; return (HscRecomp details new_iface - False False Nothing) - } - ------------------------------- -hscBackEnd :: HscEnv -> ModSummary -> Maybe ModIface -> Maybe ModGuts -> IO HscResult - -hscBackEnd hsc_env mod_summary maybe_old_iface Nothing - = return HscFail - -hscBackEnd hsc_env mod_summary maybe_old_iface (Just ds_result) - = do { -- OMITTED: - -- ; seqList imported_modules (return ()) - - let one_shot = isOneShot (ghcMode dflags) - dflags = hsc_dflags hsc_env - - ------------------- - -- FLATTENING - ------------------- - ; flat_result <- {-# SCC "Flattening" #-} - flatten hsc_env ds_result - - -{- TEMP: need to review space-leak fixing here - NB: even the code generator can force one of the - thunks for constructor arguments, for newtypes in particular - - ; let -- Rule-base accumulated from imported packages - pkg_rule_base = eps_rule_base (hsc_EPS hsc_env) - - -- In one-shot mode, ZAP the external package state at - -- this point, because we aren't going to need it from - -- now on. We keep the name cache, however, because - -- tidyCore needs it. - pcs_middle - | one_shot = pcs_tc{ pcs_EPS = error "pcs_EPS missing" } - | otherwise = pcs_tc - - ; pkg_rule_base `seq` pcs_middle `seq` return () --} - - -- alive at this point: - -- pcs_middle - -- flat_result - -- pkg_rule_base - - ------------------- - -- SIMPLIFY - ------------------- - ; simpl_result <- {-# SCC "Core2Core" #-} - core2core hsc_env flat_result - - ------------------- - -- TIDY - ------------------- - ; (cg_guts, details) <- {-# SCC "CoreTidy" #-} - tidyProgram hsc_env simpl_result - - -- Alive at this point: - -- tidy_result, pcs_final - -- hsc_env - - ------------------- - -- BUILD THE NEW ModIface and ModDetails - -- and emit external core if necessary - -- This has to happen *after* code gen so that the back-end - -- info has been set. Not yet clear if it matters waiting - -- until after code output - ; (new_iface, no_change) - <- {-# SCC "MkFinalIface" #-} - mkIface hsc_env maybe_old_iface simpl_result details - - ; writeIfaceFile hsc_env (ms_location mod_summary) new_iface no_change - - -- Space leak reduction: throw away the new interface if - -- we're in one-shot mode; we won't be needing it any - -- more. - ; final_iface <- if one_shot then return (error "no final iface") - else return new_iface - - -- Build the final ModDetails (except in one-shot mode, where - -- we won't need this information after compilation). - ; final_details <- if one_shot then return (error "no final details") - else return $! details - - -- Emit external core - ; emitExternalCore dflags cg_guts - - ------------------- - -- CONVERT TO STG and COMPLETE CODE GENERATION - ; (stub_h_exists, stub_c_exists, maybe_bcos) - <- hscCodeGen dflags (ms_location mod_summary) cg_guts - - -- And the answer is ... - ; dumpIfaceStats hsc_env - - ; return (HscRecomp final_details - final_iface - stub_h_exists stub_c_exists - maybe_bcos) - } - - - -hscCodeGen dflags location - CgGuts{ -- This is the last use of the ModGuts in a compilation. - -- From now on, we just use the bits we need. - cg_module = this_mod, - cg_binds = core_binds, - cg_tycons = tycons, - cg_dir_imps = dir_imps, - cg_foreign = foreign_stubs, - cg_home_mods = home_mods, - cg_dep_pkgs = dependencies } = do { - - let { data_tycons = filter isDataTyCon tycons } ; - -- cg_tycons includes newtypes, for the benefit of External Core, - -- but we don't generate any code for newtypes - - ------------------- - -- PREPARE FOR CODE GENERATION - -- Do saturation and convert to A-normal form - prepd_binds <- {-# SCC "CorePrep" #-} - corePrepPgm dflags core_binds data_tycons ; - - case hscTarget dflags of - HscNothing -> return (False, False, Nothing) - - HscInterpreted -> -#ifdef GHCI - do ----------------- Generate byte code ------------------ - comp_bc <- byteCodeGen dflags prepd_binds data_tycons - - ------------------ Create f-x-dynamic C-side stuff --- - (istub_h_exists, istub_c_exists) - <- outputForeignStubs dflags this_mod location foreign_stubs - - return ( istub_h_exists, istub_c_exists, Just comp_bc ) -#else - panic "GHC not compiled with interpreter" -#endif - - other -> - do - ----------------- Convert to STG ------------------ - (stg_binds, cost_centre_info) <- {-# SCC "CoreToStg" #-} - myCoreToStg dflags home_mods this_mod prepd_binds - - ------------------ Code generation ------------------ - abstractC <- {-# SCC "CodeGen" #-} - codeGen dflags home_mods this_mod data_tycons - foreign_stubs dir_imps cost_centre_info - stg_binds - - ------------------ Code output ----------------------- - (stub_h_exists, stub_c_exists) - <- codeOutput dflags this_mod location foreign_stubs - dependencies abstractC - - return (stub_h_exists, stub_c_exists, Nothing) - } - hscCmmFile :: DynFlags -> FilePath -> IO Bool hscCmmFile dflags filename = do