X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FCodeOutput.lhs;h=2b0d745ae3bcddea19ff9385be17f439ad2cc3b8;hb=e0b2097136f30331bae67cb01e66bba749d272c1;hp=37a46aaa8c013f2e57d51ad4eece5ea90c8eeeb8;hpb=c30bd911e1ae6f43cb8a4573305b76c257b0300c;p=ghc-hetmet.git diff --git a/ghc/compiler/main/CodeOutput.lhs b/ghc/compiler/main/CodeOutput.lhs index 37a46aa..2b0d745 100644 --- a/ghc/compiler/main/CodeOutput.lhs +++ b/ghc/compiler/main/CodeOutput.lhs @@ -4,11 +4,12 @@ \section{Code output phase} \begin{code} -module CodeOutput( codeOutput ) where +module CodeOutput( codeOutput, outputForeignStubs ) where #include "HsVersions.h" #ifndef OMIT_NATIVE_CODEGEN +import UniqSupply ( mkSplitUniqSupply ) import AsmCodeGen ( nativeCodeGen ) #endif @@ -16,23 +17,28 @@ import AsmCodeGen ( nativeCodeGen ) import IlxGen ( ilxGen ) #endif +#ifdef JAVA import JavaGen ( javaGen ) +import OccurAnal ( occurAnalyseBinds ) import qualified PrintJava +import OccurAnal ( occurAnalyseBinds ) +#endif -import TyCon ( TyCon ) +import FastString ( unpackFS ) +import DriverState ( v_HCHeader ) import Id ( Id ) -import Class ( Class ) -import CoreSyn ( CoreBind ) import StgSyn ( StgBinding ) -import AbsCSyn ( AbstractC, absCNop ) +import AbsCSyn ( AbstractC ) import PprAbsC ( dumpRealC, writeRealC ) -import UniqSupply ( UniqSupply ) -import Module ( Module, moduleString ) +import HscTypes ( ModGuts(..), ModGuts, ForeignStubs(..), typeEnvTyCons ) import CmdLineOpts -import Maybes ( maybeToBool ) -import ErrUtils ( doIfSet, dumpIfSet ) +import ErrUtils ( dumpIfSet_dyn, showPass ) import Outputable -import IO ( IOMode(..), hPutStr, hClose, openFile ) +import Pretty ( Mode(..), printDoc ) +import CmdLineOpts ( DynFlags, HscLang(..), dopt_OutName ) +import DATA_IOREF ( readIORef, writeIORef ) +import Monad ( when ) +import IO \end{code} @@ -43,37 +49,53 @@ import IO ( IOMode(..), hPutStr, hClose, openFile ) %************************************************************************ \begin{code} -codeOutput :: Module - -> [TyCon] -> [Class] -- Local tycons and classes - -> [CoreBind] -- Core bindings +codeOutput :: DynFlags + -> ModGuts -> [(StgBinding,[Id])] -- The STG program with SRTs - -> SDoc -- C stubs for foreign exported functions - -> SDoc -- Header file prototype for foreign exported functions - -> AbstractC -- Compiled abstract C - -> UniqSupply - -> IO () -codeOutput mod_name tycons classes core_binds stg_binds - c_code h_code flat_abstractC ncg_uniqs - = -- You can have C (c_output) or assembly-language (ncg_output), + -> AbstractC -- Compiled abstract C + -> IO (Bool{-stub_h_exists-}, Bool{-stub_c_exists-}) +codeOutput dflags + (ModGuts {mg_module = mod_name, + mg_types = type_env, + mg_foreign = foreign_stubs, + mg_binds = core_binds}) + stg_binds flat_abstractC + = let + tycons = typeEnvTyCons type_env + in + -- You can have C (c_output) or assembly-language (ncg_output), -- but not both. [Allowing for both gives a space leak on -- flat_abstractC. WDP 94/10] - do { - outputForeignStubs c_code h_code ; - case opt_OutputLanguage of { - Nothing -> return () -- No -olang=xxx flag; so no-op - ; Just "asm" -> outputAsm flat_abstractC ncg_uniqs - ; Just "C" -> outputC flat_abstractC - ; Just "java" -> outputJava mod_name tycons core_binds - ; Just foo -> pprPanic "Don't understand output language" (quotes (text foo)) - } } - - -doOutput io_action - = (do handle <- openFile opt_OutputFile WriteMode - io_action handle - hClose handle) - `catch` (\err -> pprPanic "Failed to open or write code output file" (text opt_OutputFile)) + -- Dunno if the above comment is still meaningful now. JRS 001024. + + do { showPass dflags "CodeOutput" + ; let filenm = dopt_OutName dflags + ; stub_names <- outputForeignStubs dflags foreign_stubs + ; case dopt_HscLang dflags of + HscInterpreted -> return stub_names + HscAsm -> outputAsm dflags filenm flat_abstractC + >> return stub_names + HscC -> outputC dflags filenm flat_abstractC stub_names + >> return stub_names + HscJava -> +#ifdef JAVA + outputJava dflags filenm mod_name tycons core_binds + >> return stub_names +#else + panic "Java support not compiled into this ghc" +#endif + HscILX -> +#ifdef ILX + outputIlx dflags filenm mod_name tycons stg_binds + >> return stub_names +#else + panic "ILX support not compiled into this ghc" +#endif + } + +doOutput :: String -> (Handle -> IO ()) -> IO () +doOutput filenm io_action = bracket (openFile filenm WriteMode) hClose io_action \end{code} @@ -84,10 +106,14 @@ doOutput io_action %************************************************************************ \begin{code} -outputC flat_absC - = do - dumpIfSet opt_D_dump_realC "Real C" (dumpRealC flat_absC) - doOutput (\ h -> writeRealC h flat_absC) +outputC dflags filenm flat_absC (stub_h_exists, _) + = do dumpIfSet_dyn dflags Opt_D_dump_realC "Real C" (dumpRealC flat_absC) + header <- readIORef v_HCHeader + doOutput filenm $ \ h -> do + hPutStr h header + when stub_h_exists $ + hPutStrLn h ("#include \"" ++ (hscStubHOutName dflags) ++ "\"") + writeRealC h flat_absC \end{code} @@ -98,19 +124,23 @@ outputC flat_absC %************************************************************************ \begin{code} -outputAsm flat_absC ncg_uniqs +outputAsm dflags filenm flat_absC + #ifndef OMIT_NATIVE_CODEGEN - = do dumpIfSet opt_D_dump_stix "Final stix code" stix_final - dumpIfSet opt_D_dump_asm "Asm code" ncg_output_d - doOutput (\ f -> printForAsm f ncg_output_d) + = do ncg_uniqs <- mkSplitUniqSupply 'n' + let (stix_final, ncg_output_d) = _scc_ "NativeCodeGen" + nativeCodeGen flat_absC ncg_uniqs + dumpIfSet_dyn dflags Opt_D_dump_stix "Final stix code" stix_final + dumpIfSet_dyn dflags Opt_D_dump_asm "Asm code" (docToSDoc ncg_output_d) + _scc_ "OutputAsm" doOutput filenm $ + \f -> printDoc LeftMode f ncg_output_d where - (stix_final, ncg_output_d) = nativeCodeGen flat_absC ncg_uniqs #else /* OMIT_NATIVE_CODEGEN */ - = do hPutStrLn stderr "This compiler was built without a native code generator" - hPutStrLn stderr "Use -fvia-C instead" + = pprPanic "This compiler was built without a native code generator" + (text "Use -fvia-C instead") #endif \end{code} @@ -123,12 +153,32 @@ outputAsm flat_absC ncg_uniqs %************************************************************************ \begin{code} -outputJava mod tycons core_binds - = doOutput (\ f -> printForUser f pp_java) +#ifdef JAVA +outputJava dflags filenm mod tycons core_binds + = doOutput filenm (\ f -> printForUser f alwaysQualify pp_java) -- User style printing for now to keep indentation where - java_code = javaGen mod [{- Should be imports-}] tycons core_binds + occ_anal_binds = occurAnalyseBinds core_binds + -- Make sure we have up to date dead-var information + java_code = javaGen mod [{- Should be imports-}] tycons occ_anal_binds pp_java = PrintJava.compilationUnit java_code +#endif +\end{code} + + +%************************************************************************ +%* * +\subsection{Ilx} +%* * +%************************************************************************ + +\begin{code} +#ifdef ILX +outputIlx dflags filename mod tycons stg_binds + = doOutput filename (\ f -> printForC f pp_ilx) + where + pp_ilx = ilxGen mod tycons stg_binds +#endif \end{code} @@ -139,13 +189,48 @@ outputJava mod tycons core_binds %************************************************************************ \begin{code} -outputForeignStubs c_code h_code + -- Turn the list of headers requested in foreign import + -- declarations into a string suitable for emission into generated + -- C code... +mkForeignHeaders headers + = unlines + . map (\fname -> "#include \"" ++ unpackFS fname ++ "\"") + . reverse + $ headers + +outputForeignStubs :: DynFlags -> ForeignStubs + -> IO (Bool, -- Header file created + Bool) -- C file created +outputForeignStubs dflags NoStubs = return (False, False) +outputForeignStubs dflags (ForeignStubs h_code c_code hdrs _) = do - dumpIfSet opt_D_dump_foreign "Foreign export header file" stub_h_output_d - outputForeignStubs_help True{-.h output-} opt_ProduceExportHStubs stub_h_output_w - - dumpIfSet opt_D_dump_foreign "Foreign export stubs" stub_c_output_d - outputForeignStubs_help False{-not .h-} opt_ProduceExportCStubs stub_c_output_w + dumpIfSet_dyn dflags Opt_D_dump_foreign + "Foreign export header file" stub_h_output_d + + stub_h_file_exists + <- outputForeignStubs_help (hscStubHOutName dflags) stub_h_output_w + ("#include \"HsFFI.h\"\n" ++ cplusplus_hdr) cplusplus_ftr + + dumpIfSet_dyn dflags Opt_D_dump_foreign + "Foreign export stubs" stub_c_output_d + + -- Extend the list of foreign headers (used in outputC) + fhdrs <- readIORef v_HCHeader + let new_fhdrs = fhdrs ++ mkForeignHeaders hdrs + writeIORef v_HCHeader new_fhdrs + + stub_c_file_exists + <- outputForeignStubs_help (hscStubCOutName dflags) stub_c_output_w + ("#define IN_STG_CODE 0\n" ++ + new_fhdrs ++ + "#include \"RtsAPI.h\"\n" ++ + cplusplus_hdr) + cplusplus_ftr + -- We're adding the default hc_header to the stub file, but this + -- isn't really HC code, so we need to define IN_STG_CODE==0 to + -- avoid the register variables etc. being enabled. + + return (stub_h_file_exists, stub_c_file_exists) where -- C stubs for "foreign export"ed functions. stub_c_output_d = pprCode CStyle c_code @@ -155,18 +240,15 @@ outputForeignStubs c_code h_code stub_h_output_d = pprCode CStyle h_code stub_h_output_w = showSDoc stub_h_output_d +cplusplus_hdr = "#ifdef __cplusplus\nextern \"C\" {\n#endif\n" +cplusplus_ftr = "#ifdef __cplusplus\n}\n#endif\n" -- Don't use doOutput for dumping the f. export stubs -- since it is more than likely that the stubs file will -- turn out to be empty, in which case no file should be created. -outputForeignStubs_help is_header switch "" = return () -outputForeignStubs_help is_header switch doc_str = - case switch of - Nothing -> return () - Just fname -> writeFile fname (include_prefix ++ doc_str) - where - include_prefix - | is_header = "#include \"Rts.h\"\n" - | otherwise = "#include \"RtsAPI.h\"\n" +outputForeignStubs_help fname "" header footer = return False +outputForeignStubs_help fname doc_str header footer + = do writeFile fname (header ++ doc_str ++ '\n':footer ++ "\n") + return True \end{code}