#ifdef JAVA
import JavaGen ( javaGen )
-import OccurAnal ( occurAnalyseBinds )
import qualified PrintJava
import OccurAnal ( occurAnalyseBinds )
#endif
-import Packages ( PackageConfig(name), packageNameString )
-import DriverState ( getExplicitPackagesAnd, getPackageCIncludes )
+import Finder ( mkStubPaths )
+import PprC ( writeCs )
+import CmmLint ( cmmLint )
+import Packages
+import Util
import FastString ( unpackFS )
-import AbsCSyn ( AbstractC )
-import PprAbsC ( dumpRealC, writeRealC )
-import HscTypes ( ModGuts(..), ModGuts, ForeignStubs(..),
- typeEnvTyCons, Dependencies(..) )
-import CmdLineOpts
-import ErrUtils ( dumpIfSet_dyn, showPass )
+import Cmm ( Cmm )
+import HscTypes
+import DynFlags
+import ErrUtils ( dumpIfSet_dyn, showPass, ghcExit )
import Outputable
import Pretty ( Mode(..), printDoc )
-import CmdLineOpts ( DynFlags, HscLang(..), dopt_OutName )
+import Module ( Module, ModLocation(..) )
+import List ( nub )
+import Maybes ( firstJust )
+
+import Distribution.Package ( showPackageId )
+import Directory ( doesFileExist )
import Monad ( when )
import IO
\end{code}
-
%************************************************************************
%* *
\subsection{Steering}
\begin{code}
codeOutput :: DynFlags
- -> ModGuts
- -> AbstractC -- Compiled abstract C
+ -> Module
+ -> ModLocation
+ -> ForeignStubs
+ -> [PackageId]
+ -> [Cmm] -- Compiled 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_deps = deps,
- mg_binds = core_binds})
- flat_abstractC
- = let
- tycons = typeEnvTyCons type_env
- in
+codeOutput dflags this_mod location foreign_stubs pkg_deps 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]
-- Dunno if the above comment is still meaningful now. JRS 001024.
- do { showPass dflags "CodeOutput"
- ; let filenm = dopt_OutName dflags
- ; stubs_exist <- outputForeignStubs dflags foreign_stubs
- ; case dopt_HscLang dflags of {
+ do { when (dopt Opt_DoCmmLinting dflags) $ do
+ { showPass dflags "CmmLint"
+ ; let lints = map cmmLint flat_abstractC
+ ; case firstJust lints of
+ Just err -> do { printDump err
+ ; ghcExit dflags 1
+ }
+ Nothing -> return ()
+ }
+
+ ; showPass dflags "CodeOutput"
+ ; let filenm = hscOutName dflags
+ ; stubs_exist <- outputForeignStubs dflags this_mod location foreign_stubs
+ ; case hscTarget dflags of {
HscInterpreted -> return ();
HscAsm -> outputAsm dflags filenm flat_abstractC;
- HscC -> outputC dflags filenm flat_abstractC stubs_exist
- deps foreign_stubs;
+ HscC -> outputC dflags filenm this_mod location
+ flat_abstractC stubs_exist pkg_deps
+ foreign_stubs;
HscJava ->
#ifdef JAVA
outputJava dflags filenm mod_name tycons core_binds;
#endif
HscILX ->
#ifdef ILX
+ let tycons = typeEnvTyCons type_env in
outputIlx dflags filenm mod_name tycons stg_binds;
#else
panic "ILX support not compiled into this ghc";
%************************************************************************
\begin{code}
-outputC dflags filenm flat_absC
- (stub_h_exists, _) dependencies (ForeignStubs _ _ ffi_decl_headers _ )
- = do dumpIfSet_dyn dflags Opt_D_dump_realC "Real C" (dumpRealC flat_absC)
-
+outputC dflags filenm mod location flat_absC
+ (stub_h_exists, _) packages foreign_stubs
+ = do
-- figure out which header files to #include in the generated .hc file:
--
-- * extra_includes from packages
-- * -#include options from the cmdline and OPTIONS pragmas
-- * the _stub.h file, if there is one.
--
- let packages = dep_pkgs dependencies
- pkg_configs <- getExplicitPackagesAnd packages
- let pkg_names = map name pkg_configs
+ pkg_configs <- getExplicitPackagesAnd dflags packages
+ let pkg_names = map (showPackageId.package) pkg_configs
c_includes <- getPackageCIncludes pkg_configs
let cmdline_includes = cmdlineHcIncludes dflags -- -#include options
+ ffi_decl_headers
+ = case foreign_stubs of
+ NoStubs -> []
+ ForeignStubs _ _ fdhs _ -> map unpackFS (nub fdhs)
+ -- Remove duplicates, because distinct foreign import decls
+ -- may cite the same #include. Order doesn't matter.
+
all_headers = c_includes
++ reverse cmdline_includes
- ++ reverse (map unpackFS ffi_decl_headers)
- -- reverse correct?
+ ++ ffi_decl_headers
let cc_injects = unlines (map mk_include all_headers)
mk_include h_file =
hPutStr h ("/* GHC_PACKAGES " ++ unwords pkg_names ++ "\n*/\n")
hPutStr h cc_injects
when stub_h_exists $
- hPutStrLn h ("#include \"" ++ (hscStubHOutName dflags) ++ "\"")
- writeRealC h flat_absC
+ hPutStrLn h ("#include \"" ++ (filenameOf stub_h) ++ "\"")
+ writeCs dflags h flat_absC
+ where
+ (_, stub_h) = mkStubPaths dflags mod location
\end{code}
#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
+ ncg_output_d <- _scc_ "NativeCodeGen"
+ nativeCodeGen dflags flat_absC ncg_uniqs
dumpIfSet_dyn dflags Opt_D_dump_asm "Asm code" (docToSDoc ncg_output_d)
_scc_ "OutputAsm" doOutput filenm $
\f -> printDoc LeftMode f ncg_output_d
%************************************************************************
\begin{code}
-outputForeignStubs :: DynFlags -> ForeignStubs
+outputForeignStubs :: DynFlags -> Module -> ModLocation -> ForeignStubs
-> IO (Bool, -- Header file created
Bool) -- C file created
-outputForeignStubs dflags NoStubs = return (False, False)
-outputForeignStubs dflags (ForeignStubs h_code c_code _ _)
+outputForeignStubs dflags mod location stubs
+ | NoStubs <- stubs = do
+ -- When compiling External Core files, may need to use stub
+ -- files from a previous compilation
+ stub_c_exists <- doesFileExist stub_c
+ stub_h_exists <- doesFileExist stub_h
+ return (stub_h_exists, stub_c_exists)
+
+ | ForeignStubs h_code c_code _ _ <- stubs
= do
+ let
+ stub_c_output_d = pprCode CStyle c_code
+ stub_c_output_w = showSDoc stub_c_output_d
+
+ -- Header file protos for "foreign export"ed functions.
+ stub_h_output_d = pprCode CStyle h_code
+ stub_h_output_w = showSDoc stub_h_output_d
+ -- in
+
+ createDirectoryHierarchy (directoryOf stub_c)
+
dumpIfSet_dyn dflags Opt_D_dump_foreign
"Foreign export header file" stub_h_output_d
+ -- we need the #includes from the rts package for the stub files
+ let rtsid = rtsPackageId (pkgState dflags)
+ rts_includes
+ | ExtPackage pid <- rtsid =
+ let rts_pkg = getPackageDetails (pkgState dflags) pid in
+ concatMap mk_include (includes rts_pkg)
+ | otherwise = []
+ mk_include i = "#include \"" ++ i ++ "\"\n"
+
stub_h_file_exists
- <- outputForeignStubs_help (hscStubHOutName dflags) stub_h_output_w
+ <- outputForeignStubs_help stub_h 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
stub_c_file_exists
- <- outputForeignStubs_help (hscStubCOutName dflags) stub_c_output_w
+ <- outputForeignStubs_help stub_c stub_c_output_w
("#define IN_STG_CODE 0\n" ++
- "#include \"RtsAPI.h\"\n" ++
+ "#include \"Rts.h\"\n" ++
+ rts_includes ++
cplusplus_hdr)
cplusplus_ftr
-- We're adding the default hc_header to the stub file, but this
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
-
- -- Header file protos for "foreign export"ed functions.
- stub_h_output_d = pprCode CStyle h_code
- stub_h_output_w = showSDoc stub_h_output_d
+ (stub_c, stub_h) = mkStubPaths dflags mod location
cplusplus_hdr = "#ifdef __cplusplus\nextern \"C\" {\n#endif\n"
cplusplus_ftr = "#ifdef __cplusplus\n}\n#endif\n"