#include "HsVersions.h"
#ifndef OMIT_NATIVE_CODEGEN
+import UniqSupply ( mkSplitUniqSupply )
import AsmCodeGen ( nativeCodeGen )
#endif
+
#ifdef ILX
import IlxGen ( ilxGen )
#endif
+import JavaGen ( javaGen )
+import qualified PrintJava
+
+import DriverState ( v_HCHeader )
import TyCon ( TyCon )
import Id ( Id )
-import Class ( Class )
+import CoreSyn ( CoreBind )
+import OccurAnal ( occurAnalyseBinds )
import StgSyn ( StgBinding )
-import AbsCSyn ( AbstractC, absCNop )
+import AbsCSyn ( AbstractC )
import PprAbsC ( dumpRealC, writeRealC )
-import UniqSupply ( UniqSupply )
-import Module ( Module, moduleString )
+import Module ( Module )
import CmdLineOpts
-import Maybes ( maybeToBool )
-import ErrUtils ( doIfSet, dumpIfSet )
+import ErrUtils ( dumpIfSet_dyn, showPass )
import Outputable
-import IO ( IOMode(..), hPutStr, hClose, openFile )
+import CmdLineOpts ( DynFlags, HscLang(..), dopt_OutName )
+
+import IOExts
+import Monad ( when )
+import IO
\end{code}
+%************************************************************************
+%* *
+\subsection{Steering}
+%* *
+%************************************************************************
+
\begin{code}
-codeOutput :: Module
- -> [TyCon] -> [Class] -- Local tycons and classes
+codeOutput :: DynFlags
+ -> Module
+ -> [TyCon] -- Local tycons
+ -> [CoreBind] -- Core bindings
-> [(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 stg_binds c_code h_code flat_abstractC ncg_uniqs
+ -> IO (Bool{-stub_h_exists-}, Bool{-stub_c_exists-})
+codeOutput dflags mod_name tycons core_binds stg_binds
+ c_code h_code flat_abstractC
= -- 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]
-#ifndef OMIT_NATIVE_CODEGEN
- let
- (stix_final, ncg_output_d) = nativeCodeGen flat_absC_ncg ncg_uniqs
- ncg_output_w = (\ f -> printForUser f ncg_output_d)
- in
- dumpIfSet opt_D_dump_stix "Final stix code" stix_final >>
- dumpIfSet opt_D_dump_asm "Asm code" ncg_output_d >>
- doOutput opt_ProduceS ncg_output_w >>
-#else
+ -- Dunno if the above comment is still meaningful now. JRS 001024.
+
+ do { showPass dflags "CodeOutput"
+ ; let filenm = dopt_OutName dflags
+ ; stub_names <- outputForeignStubs dflags c_code h_code
+ ; 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 -> outputJava dflags filenm mod_name tycons core_binds
+ >> return stub_names
+ HscILX ->
#ifdef ILX
- doOutput opt_ProduceS (\f -> printForUser f (ilxGen tycons stg_binds)) >>
+ 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
+ = (do handle <- openFile filenm WriteMode
+ io_action handle
+ hClose handle)
+ `catch` (\err -> pprPanic "Failed to open or write code output file"
+ (text filenm))
+\end{code}
+
+
+%************************************************************************
+%* *
+\subsection{C}
+%* *
+%************************************************************************
+
+\begin{code}
+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}
+
+
+%************************************************************************
+%* *
+\subsection{Assembler}
+%* *
+%************************************************************************
+
+\begin{code}
+outputAsm dflags filenm flat_absC
+
+#ifndef OMIT_NATIVE_CODEGEN
+
+ = 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" ncg_output_d
+ _scc_ "OutputAsm" doOutput filenm ( \f -> printForAsm f ncg_output_d)
+ where
+
+#else /* OMIT_NATIVE_CODEGEN */
+
+ = pprPanic "This compiler was built without a native code generator"
+ (text "Use -fvia-C instead")
+
#endif
+\end{code}
- dumpIfSet opt_D_dump_foreign "Foreign export header file" stub_h_output_d >>
- outputForeignStubs True{-.h output-} opt_ProduceExportHStubs stub_h_output_w >>
- dumpIfSet opt_D_dump_foreign "Foreign export stubs" stub_c_output_d >>
- outputForeignStubs False{-not .h-} opt_ProduceExportCStubs stub_c_output_w >>
+%************************************************************************
+%* *
+\subsection{Java}
+%* *
+%************************************************************************
+
+\begin{code}
+outputJava dflags filenm mod tycons core_binds
+ = doOutput filenm (\ f -> printForUser f alwaysQualify pp_java)
+ -- User style printing for now to keep indentation
+ where
+ 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
+\end{code}
+
- dumpIfSet opt_D_dump_realC "Real C" c_output_d >>
- doOutput opt_ProduceC c_output_w
+%************************************************************************
+%* *
+\subsection{Ilx}
+%* *
+%************************************************************************
+\begin{code}
+#ifdef ILX
+outputIlx dflags filename mod tycons stg_binds
+ = doOutput filename (\ f -> printForC f pp_ilx)
where
- (flat_absC_c, flat_absC_ncg) =
- case (maybeToBool opt_ProduceC || opt_D_dump_realC,
- maybeToBool opt_ProduceS || opt_D_dump_asm) of
- (True, False) -> (flat_abstractC, absCNop)
- (False, True) -> (absCNop, flat_abstractC)
- (False, False) -> (absCNop, absCNop)
- (True, True) -> error "ERROR: Can't do both .hc and .s at the same time"
+ pp_ilx = ilxGen mod tycons stg_binds
+#endif
+\end{code}
+
+%************************************************************************
+%* *
+\subsection{Foreign import/export}
+%* *
+%************************************************************************
+
+\begin{code}
+outputForeignStubs dflags c_code h_code
+ = do
+ 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"
+
+ dumpIfSet_dyn dflags Opt_D_dump_foreign
+ "Foreign export stubs" stub_c_output_d
+
+ hc_header <- readIORef v_HCHeader
+
+ stub_c_file_exists
+ <- outputForeignStubs_help (hscStubCOutName dflags) stub_c_output_w
+ ("#define IN_STG_CODE 0\n" ++
+ hc_header ++
+ "#include \"RtsAPI.h\"\n")
+ -- 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
stub_c_output_w = showSDoc stub_c_output_d
stub_h_output_d = pprCode CStyle h_code
stub_h_output_w = showSDoc stub_h_output_d
- c_output_d = dumpRealC flat_absC_c
- c_output_w = (\ f -> writeRealC f flat_absC_c)
-
-
- -- 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 is_header switch "" = return ()
-outputForeignStubs 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"
-
-doOutput switch io_action
- = case switch of
- Nothing -> return ()
- Just fname ->
- openFile fname WriteMode >>= \ handle ->
- io_action handle >>
- hClose handle
+
+-- 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 fname "" injects = return False
+outputForeignStubs_help fname doc_str injects
+ = do writeFile fname (injects ++ doc_str)
+ return True
\end{code}