import ErrUtils ( dumpIfSet_dyn, showPass )
import Outputable
import CmdLineOpts ( DynFlags, HscLang(..), dopt_OutName )
-import TmpFiles ( newTempName )
import IOExts
+import Monad ( when )
import IO
\end{code}
-> SDoc -- C stubs for foreign exported functions
-> SDoc -- Header file prototype for foreign exported functions
-> AbstractC -- Compiled abstract C
- -> IO (Maybe FilePath, Maybe FilePath)
+ -> 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),
>> return stub_names
HscJava -> outputJava dflags filenm mod_name tycons core_binds
>> return stub_names
+ HscILX ->
#ifdef ILX
- HscILX -> outputIlx dflags filenm mod_name tycons stg_binds
+ outputIlx dflags filenm mod_name tycons stg_binds
>> return stub_names
+#else
+ panic "ILX support not compiled into this ghc"
#endif
}
%************************************************************************
\begin{code}
-outputC dflags filenm flat_absC (maybe_stub_h, _)
+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
- case maybe_stub_h of
- Nothing -> return ()
- Just filename -> hPutStrLn h ("#include \"" ++ filename ++ "\"")
+ when stub_h_exists $
+ hPutStrLn h ("#include \"" ++ (hscStubHOutName dflags) ++ "\"")
writeRealC h flat_absC
\end{code}
dumpIfSet_dyn dflags Opt_D_dump_foreign
"Foreign export header file" stub_h_output_d
- maybe_stub_h_file
- <- outputForeignStubs_help True{-.h output-} stub_h_output_w
+ 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
- maybe_stub_c_file
- <- outputForeignStubs_help False{-not .h-} stub_c_output_w
+ hc_header <- readIORef v_HCHeader
- return (maybe_stub_h_file, maybe_stub_c_file)
+ 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
-- 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 "" = return Nothing
-outputForeignStubs_help is_header doc_str
- = do fname <- newTempName suffix
- writeFile fname (include_prefix ++ doc_str)
- return (Just fname)
- where
- suffix
- | is_header = "h_stub"
- | otherwise = "c_stub"
- include_prefix
- | is_header = "#include \"HsFFI.h\"\n"
- | otherwise = "#include \"RtsAPI.h\"\n"
+outputForeignStubs_help fname "" injects = return False
+outputForeignStubs_help fname doc_str injects
+ = do writeFile fname (injects ++ doc_str)
+ return True
\end{code}