--
-----------------------------------------------------------------------------
-#include "../includes/config.h"
+#include "../includes/ghcconfig.h"
module DriverPipeline (
import EXCEPTION
import DATA_IOREF ( readIORef, writeIORef )
-#ifdef GHCI
-import Time ( getClockTime )
-#endif
+import Time ( ClockTime )
import Directory
import System
import IO
compile :: HscEnv
-> Module
-> ModLocation
+ -> ClockTime -- timestamp of original source file
-> Bool -- True <=> source unchanged
-> Bool -- True <=> have object
-> Maybe ModIface -- old interface, if available
| CompErrs
-compile hsc_env this_mod location
+compile hsc_env this_mod location src_timestamp
source_unchanged have_object
old_iface = do
HscInterpreted ->
case maybe_interpreted_code of
#ifdef GHCI
- Just comp_bc -> do tm <- getClockTime
- return ([BCOs comp_bc], tm)
+ Just comp_bc -> return ([BCOs comp_bc], src_timestamp)
+ -- 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+ -- be out of date.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"
-- to the next phase of the pipeline.
return (Just HsPp, maybe_loc, input_fn)
else do
- hscpp_opts <- getOpts opt_P
- hs_src_cpp_opts <- readIORef v_Hs_source_cpp_opts
-
- cmdline_include_paths <- readIORef v_Include_paths
-
- pkg_include_dirs <- getPackageIncludePath []
- let include_paths = foldr (\ x xs -> "-I" : x : xs) []
- (cmdline_include_paths ++ pkg_include_dirs)
-
- verb <- getVerbFlag
- (md_c_flags, _) <- machdepCCOpts
-
output_fn <- get_output_fn HsPp maybe_loc
-
- SysTools.runCpp ([SysTools.Option verb]
- ++ map SysTools.Option include_paths
- ++ map SysTools.Option hs_src_cpp_opts
- ++ map SysTools.Option hscpp_opts
- ++ map SysTools.Option md_c_flags
- ++ [ SysTools.Option "-x"
- , SysTools.Option "c"
- , SysTools.Option input_fn
- -- We hackily use Option instead of FileOption here, so that the file
- -- name is not back-slashed on Windows. cpp is capable of
- -- dealing with / in filenames, so it works fine. Furthermore
- -- if we put in backslashes, cpp outputs #line directives
- -- with *double* backslashes. And that in turn means that
- -- our error messages get double backslashes in them.
- -- In due course we should arrange that the lexer deals
- -- with these \\ escapes properly.
- , SysTools.Option "-o"
- , SysTools.FileOption "" output_fn
- ])
-
+ doCpp True{-raw-} False{-no CC opts-} input_fn output_fn
return (Just HsPp, maybe_loc, output_fn)
-------------------------------------------------------------------------------
_ -> return (Just next_phase, Just location, output_fn)
-----------------------------------------------------------------------------
+-- Cmm phase
+
+runPhase CmmCpp basename suff input_fn get_output_fn maybe_loc
+ = do
+ output_fn <- get_output_fn Cmm maybe_loc
+ doCpp False{-not raw-} True{-include CC opts-} input_fn output_fn
+ return (Just Cmm, maybe_loc, output_fn)
+
+runPhase Cmm basename suff input_fn get_output_fn maybe_loc
+ = do
+ dyn_flags <- getDynFlags
+ hsc_lang <- hscMaybeAdjustLang (hscLang dyn_flags)
+ next_phase <- hscNextPhase hsc_lang
+ output_fn <- get_output_fn next_phase maybe_loc
+
+ let dyn_flags' = dyn_flags { hscLang = hsc_lang,
+ hscOutName = output_fn,
+ hscStubCOutName = basename ++ "_stub.c",
+ hscStubHOutName = basename ++ "_stub.h",
+ extCoreName = basename ++ ".hcr" }
+
+ ok <- hscCmmFile dyn_flags' input_fn
+
+ when (not ok) $ throwDyn (PhaseFailed "cmm" (ExitFailure 1))
+
+ return (Just next_phase, maybe_loc, output_fn)
+
+-----------------------------------------------------------------------------
-- Cc phase
-- we don't support preprocessing .c files (with -E) now. Doing so introduces
-- dependencies, and eliminating duplicates.
o_file <- readIORef v_Output_file
+#if defined(mingw32_HOST_OS)
+ let output_fn = case o_file of { Just s -> s; Nothing -> "main.exe"; }
+#else
let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; }
+#endif
pkg_lib_paths <- getPackageLibraryPath dep_packages
let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths
-- -----------------------------------------------------------------------------
-- Misc.
+doCpp :: Bool -> Bool -> FilePath -> FilePath -> IO ()
+doCpp raw include_cc_opts input_fn output_fn = do
+ hscpp_opts <- getOpts opt_P
+
+ cmdline_include_paths <- readIORef v_Include_paths
+
+ pkg_include_dirs <- getPackageIncludePath []
+ let include_paths = foldr (\ x xs -> "-I" : x : xs) []
+ (cmdline_include_paths ++ pkg_include_dirs)
+
+ verb <- getVerbFlag
+
+ cc_opts <- if not include_cc_opts
+ then return []
+ else do optc <- getOpts opt_c
+ (md_c_flags, _) <- machdepCCOpts
+ return (optc ++ md_c_flags)
+
+ let cpp_prog args | raw = SysTools.runCpp args
+ | otherwise = SysTools.runCc (SysTools.Option "-E" : args)
+
+ let target_defs =
+ [ "-D" ++ cTARGETOS ++ "_TARGET_OS=1",
+ "-D" ++ cTARGETARCH ++ "_TARGET_ARCH=1" ]
+
+ cpp_prog ([SysTools.Option verb]
+ ++ map SysTools.Option include_paths
+ ++ map SysTools.Option hsSourceCppOpts
+ ++ map SysTools.Option hscpp_opts
+ ++ map SysTools.Option cc_opts
+ ++ map SysTools.Option target_defs
+ ++ [ SysTools.Option "-x"
+ , SysTools.Option "c"
+ , SysTools.Option input_fn
+ -- We hackily use Option instead of FileOption here, so that the file
+ -- name is not back-slashed on Windows. cpp is capable of
+ -- dealing with / in filenames, so it works fine. Furthermore
+ -- if we put in backslashes, cpp outputs #line directives
+ -- with *double* backslashes. And that in turn means that
+ -- our error messages get double backslashes in them.
+ -- In due course we should arrange that the lexer deals
+ -- with these \\ escapes properly.
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ])
+
+-- -----------------------------------------------------------------------------
+-- Misc.
+
hscNextPhase :: HscLang -> IO Phase
hscNextPhase hsc_lang = do
split <- readIORef v_Split_object_files
| current_hsc_lang == HscInterpreted = current_hsc_lang
-- force -fvia-C if we are being asked for a .hc file
| todo == StopBefore HCc || keep_hc = HscC
- -- force -fvia-C when profiling or ticky-ticky is on
- | opt_SccProfilingOn || opt_DoTickyProfiling = HscC
-- otherwise, stick to the plan
| otherwise = current_hsc_lang
return hsc_lang
projects / ghc-hetmet.git / blobdiff