hsc_env' = hsc_env { hsc_dflags = dflags' }
object_filename = ml_obj_file location
+ let getStubLinkable False = return []
+ getStubLinkable True
+ = do stub_o <- compileStub dflags' this_mod location
+ return [ DotO stub_o ]
+
+ handleMake (NewHscNoRecomp, iface, details)
+ = ASSERT (isJust maybe_old_linkable)
+ return (CompOK details iface maybe_old_linkable)
+ handleMake (NewHscRecomp hasStub, iface, details)
+ | isHsBoot src_flavour
+ = return (CompOK details iface Nothing)
+ | otherwise
+ = do stub_unlinked <- getStubLinkable hasStub
+ (hs_unlinked, unlinked_time) <-
+ case hsc_lang of
+ HscNothing
+ -> return ([], ms_hs_date mod_summary)
+ -- We're in --make mode: finish the compilation pipeline.
+ _other
+ -> do runPipeline StopLn dflags (output_fn,Nothing) Persistent
+ (Just location)
+ -- The object filename comes from the ModLocation
+ o_time <- getModificationTime object_filename
+ return ([DotO object_filename], o_time)
+ let linkable = LM unlinked_time this_mod
+ (hs_unlinked ++ stub_unlinked)
+ return (CompOK details iface (Just linkable))
+
+ handleInterpreted (InteractiveNoRecomp, iface, details)
+ = ASSERT (isJust maybe_old_linkable)
+ return (CompOK details iface maybe_old_linkable)
+ handleInterpreted (InteractiveRecomp hasStub comp_bc, iface, details)
+ = do stub_unlinked <- getStubLinkable hasStub
+ let hs_unlinked = [BCOs comp_bc]
+ unlinked_time = ms_hs_date mod_summary
+ -- Why do we use the timestamp of the source file here,
+ -- rather than the current time? This works better in
+ -- the case where the local clock is out of sync
+ -- with the filesystem's clock. It's just as accurate:
+ -- if the source is modified, then the linkable will
+ -- be out of date.
+ let linkable = LM unlinked_time this_mod
+ (hs_unlinked ++ stub_unlinked)
+ return (CompOK details iface (Just linkable))
+
+ let runCompiler compiler handle
+ = do mbResult <- compiler hsc_env' mod_summary
+ source_unchanged have_object old_iface
+ (Just (mod_index, nmods))
+ case mbResult of
+ Nothing -> return CompErrs
+ Just result -> handle result
-- run the compiler
- hsc_result <- hscMain hsc_env' mod_summary
- source_unchanged have_object old_iface
- (Just (mod_index, nmods))
-
- case hsc_result of
- HscFail -> return CompErrs
-
- HscNoRecomp details iface ->
- ASSERT(isJust maybe_old_linkable)
- return (CompOK details iface maybe_old_linkable)
-
- HscRecomp details iface stub_h_exists stub_c_exists maybe_interpreted_code
-
- | isHsBoot src_flavour -- No further compilation to do
- -> do case hsc_lang of
- HscInterpreted -> return ()
- _other -> SysTools.touch dflags' "Touching object file"
- object_filename
- return (CompOK details iface Nothing)
-
- | otherwise -- Normal source file
- -> do
- stub_unlinked <-
- if stub_c_exists then do
- stub_o <- compileStub dflags' this_mod location
- return [ DotO stub_o ]
- else
- return []
-
- (hs_unlinked, unlinked_time) <-
- case hsc_lang of
-
- -- in interpreted mode, just return the compiled code
- -- as our "unlinked" object.
- HscInterpreted
- -> case maybe_interpreted_code of
-#ifdef GHCI
- Just comp_bc -> return ([BCOs comp_bc], ms_hs_date mod_summary)
- -- Why do we use the timestamp of the source file here,
- -- rather than the current time? This works better in
- -- the case where the local clock is out of sync
- -- with the filesystem's clock. It's just as accurate:
- -- if the source is modified, then the linkable will
- -- be out of date.
-#endif
- Nothing -> panic "compile: no interpreted code"
-
- HscNothing
- -> return ([], ms_hs_date mod_summary)
-
- -- We're in --make mode: finish the compilation pipeline.
- _other
- -> do runPipeline StopLn dflags (output_fn,Nothing) Persistent
- (Just location)
- -- The object filename comes from the ModLocation
-
- o_time <- getModificationTime object_filename
- return ([DotO object_filename], o_time)
-
- let linkable = LM unlinked_time this_mod
- (hs_unlinked ++ stub_unlinked)
-
- return (CompOK details iface (Just linkable))
+ case hsc_lang of
+ HscInterpreted | not (isHsBoot src_flavour) -- We can't compile boot files to
+ -- bytecode so don't even try.
+ -> runCompiler hscCompileInteractive handleInterpreted
+ _other
+ -> runCompiler hscCompileMake handleMake
-----------------------------------------------------------------------------
-- stub .h and .c files (for foreign export support)
addHomeModuleToFinder hsc_env mod_name location4
-- run the compiler!
- result <- hscMain hsc_env
+ mbResult <- hscCompileOneShot hsc_env
mod_summary source_unchanged
False -- No object file
Nothing -- No iface
Nothing -- No "module i of n" progress info
- case result of
-
- HscFail -> throwDyn (PhaseFailed "hsc" (ExitFailure 1))
-
- HscNoRecomp details iface -> do
- SysTools.touch dflags' "Touching object file" o_file
- -- The .o file must have a later modification date
- -- 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 _details _iface
- stub_h_exists stub_c_exists
- _maybe_interpreted_code -> do
-
- when stub_c_exists $ do
- stub_o <- compileStub dflags' mod_name location4
- consIORef v_Ld_inputs stub_o
-
- -- In the case of hs-boot files, generate a dummy .o-boot
- -- stamp file for the benefit of Make
- case src_flavour of
- HsBootFile -> SysTools.touch dflags' "Touching object file" o_file
- other -> return ()
-
- return (next_phase, dflags', Just location4, output_fn)
+ case mbResult of
+ Nothing -> throwDyn (PhaseFailed "hsc" (ExitFailure 1))
+ Just NewHscNoRecomp
+ -> do SysTools.touch dflags' "Touching object file" o_file
+ -- The .o file must have a later modification date
+ -- 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)
+ Just (NewHscRecomp hasStub)
+ -> do when hasStub $
+ do stub_o <- compileStub dflags' mod_name location4
+ consIORef v_Ld_inputs stub_o
+ -- In the case of hs-boot files, generate a dummy .o-boot
+ -- stamp file for the benefit of Make
+ when (isHsBoot src_flavour) $
+ SysTools.touch dflags' "Touching object file" o_file
+ return (next_phase, dflags', Just location4, output_fn)
-----------------------------------------------------------------------------
-- Cmm phase