Expose a separate 'hscBackend' phase for 'HsCompiler' and change

[ghc-hetmet.git] / compiler / main / DriverPipeline.hs

diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
index 818a00c..c4c49be 100644 (file)
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -19,7 +19,7 @@ module DriverPipeline (
 
        -- Interfaces for the compilation manager (interpreted/batch-mode)
    preprocess, 
-   compile,
+   compile, compile',
    link, 
 
   ) where
@@ -153,7 +153,7 @@ compile hsc_env0 summary mod_index nmods mb_old_iface maybe_old_linkable
            = ASSERT (isJust maybe_old_linkable)
              return maybe_old_linkable
 
-       handleBatch (HscRecomp hasStub)
+       handleBatch (HscRecomp hasStub _)
            | isHsBoot src_flavour
                = do when (isObjectTarget hsc_lang) $ -- interpreted reaches here too
                        liftIO $ SysTools.touch dflags' "Touching object file"
@@ -179,10 +179,13 @@ compile hsc_env0 summary mod_index nmods mb_old_iface maybe_old_linkable
                                   (hs_unlinked ++ stub_unlinked)
                     return (Just linkable)
 
-       handleInterpreted InteractiveNoRecomp
+       handleInterpreted HscNoRecomp
            = ASSERT (isJust maybe_old_linkable)
              return maybe_old_linkable
-       handleInterpreted (InteractiveRecomp hasStub comp_bc modBreaks)
+       handleInterpreted (HscRecomp _hasStub Nothing)
+           = ASSERT (isHsBoot src_flavour)
+             return maybe_old_linkable
+       handleInterpreted (HscRecomp hasStub (Just (comp_bc, modBreaks)))
            = do stub_unlinked <- getStubLinkable hasStub
                 let hs_unlinked = [BCOs comp_bc modBreaks]
                     unlinked_time = ms_hs_date summary
@@ -666,8 +669,8 @@ runPhase (Cpp sf) _stop hsc_env _basename _suff input_fn get_output_fn maybe_loc
        src_opts <- liftIO $ getOptionsFromFile dflags0 input_fn
        (dflags, unhandled_flags, warns)
            <- liftIO $ parseDynamicNoPackageFlags dflags0 src_opts
-       liftIO $ handleFlagWarnings dflags warns  -- XXX: may exit the program
-       liftIO $ checkProcessArgsResult unhandled_flags -- XXX: may throw program error
+       handleFlagWarnings dflags warns
+       checkProcessArgsResult unhandled_flags
 
        if not (dopt Opt_Cpp dflags) then
            -- no need to preprocess CPP, just pass input file along
@@ -726,8 +729,8 @@ runPhase (Hsc src_flavour) stop hsc_env basename suff input_fn get_output_fn _ma
                     m <- liftIO $ getCoreModuleName input_fn
                     return (Nothing, mkModuleName m, [], [])
 
-                _           -> liftIO $ do
-                    buf <- hGetStringBuffer input_fn
+                _           -> do
+                    buf <- liftIO $ hGetStringBuffer input_fn
                     (src_imps,imps,L _ mod_name) <- getImports dflags buf input_fn (basename <.> suff)
                     return (Just buf, mod_name, imps, src_imps)
 
@@ -830,7 +833,7 @@ runPhase (Hsc src_flavour) stop hsc_env basename suff input_fn get_output_fn _ma
                     -- than the source file (else we wouldn't be in HscNoRecomp)
                     -- but we touch it anyway, to keep 'make' happy (we think).
                     return (StopLn, dflags', Just location4, o_file)
-          (HscRecomp hasStub)
+          (HscRecomp hasStub _)
               -> do when hasStub $
                          do stub_o <- compileStub hsc_env' mod location4
                             liftIO $ consIORef v_Ld_inputs stub_o
@@ -1188,8 +1191,8 @@ runPhase_MoveBinary dflags input_fn dep_packages
          Wrapped wrapmode ->
              do
                let (o_base, o_ext) = splitExtension input_fn
-               let wrapped_executable | o_ext == "exe" = (o_base ++ "_real") <.> o_ext
-                                      | otherwise = input_fn ++ "_real"
+               let wrapped_executable | o_ext == "exe" = (o_base ++ ".dyn") <.> o_ext
+                                      | otherwise = input_fn ++ ".dyn"
                behaviour <- wrapper_behaviour dflags wrapmode dep_packages
 
                 -- THINKME isn't this possible to do a bit nicer?
@@ -1494,8 +1497,14 @@ linkDynLib dflags o_files dep_packages = do
     -- because the RTS lib comes in several flavours and we want to be
     -- able to pick the flavour when a binary is linked.
     pkgs <- getPreloadPackagesAnd dflags dep_packages
-    let pkgs_no_rts = filter ((/= rtsPackageId) . packageConfigId) pkgs
 
+    -- On Windows we need to link the RTS import lib as Windows does
+    -- not allow undefined symbols.
+#if !defined(mingw32_HOST_OS)
+    let pkgs_no_rts = filter ((/= rtsPackageId) . packageConfigId) pkgs
+#else
+    let pkgs_no_rts = pkgs
+#endif
     let pkg_lib_paths = collectLibraryPaths pkgs_no_rts
     let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths