{-# OPTIONS -fno-warn-incomplete-patterns -optc-DNON_POSIX_SOURCE #-}
-----------------------------------------------------------------------------
--- $Id: Main.hs,v 1.130 2003/07/17 12:04:53 simonmar Exp $
+-- $Id: Main.hs,v 1.134 2003/10/09 11:58:57 simonpj Exp $
--
-- GHC Driver program
--
haskell98Package
)
import DriverPipeline ( staticLink, doMkDLL, runPipeline )
-import DriverState ( buildCoreToDo, buildStgToDo,
+import DriverState ( buildStgToDo,
findBuildTag,
getPackageExtraGhcOpts, unregFlags,
v_GhcMode, v_GhcModeFlag, GhcMode(..),
v_Keep_tmp_files, v_Ld_inputs, v_Ways,
- v_OptLevel, v_Output_file, v_Output_hi,
+ v_Output_file, v_Output_hi,
readPackageConf, verifyOutputFiles, v_NoLink,
v_Build_tag
)
-- -O and --interactive are not a good combination
-- ditto with any kind of way selection
- orig_opt_level <- readIORef v_OptLevel
- when (orig_opt_level > 0 && mode == DoInteractive) $
- do putStr "warning: -O conflicts with --interactive; -O turned off.\n"
- writeIORef v_OptLevel 0
orig_ways <- readIORef v_Ways
- when (notNull orig_ways && mode == DoInteractive) $
+ when (notNull orig_ways && isInteractive mode) $
do throwDyn (UsageError
"--interactive can't be used with -prof, -ticky, -unreg or -smp.")
-- build the default DynFlags (these may be adjusted on a per
-- module basis by OPTIONS pragmas and settings in the interpreter).
- core_todo <- buildCoreToDo
stg_todo <- buildStgToDo
-- set the "global" HscLang. The HscLang can be further adjusted on a module
build_tag <- readIORef v_Build_tag
let lang = case mode of
DoInteractive -> HscInterpreted
+ DoEval _ -> HscInterpreted
_other | build_tag /= "" -> HscC
| otherwise -> hscLang dyn_flags
-- for ways other that the normal way, we must
-- compile via C.
- setDynFlags (dyn_flags{ coreToDo = core_todo,
- stgToDo = stg_todo,
+ setDynFlags (dyn_flags{ stgToDo = stg_todo,
hscLang = lang,
-- leave out hscOutName for now
hscOutName = panic "Main.main:hscOutName not set",
- verbosity = 1
+ verbosity = case mode of
+ DoEval _ -> 0
+ _other -> 1
})
-- The rest of the arguments are "dynamic"
(staticLink o_files def_hs_pkgs) }
#ifndef GHCI
- DoInteractive -> throwDyn (CmdLineError "not built for interactive use")
+ DoInteractive -> noInteractiveError
+ DoEval _ -> noInteractiveError
+ where
+ noInteractiveError = throwDyn (CmdLineError "not built for interactive use")
#else
- DoInteractive -> interactiveUI srcs
+ DoInteractive -> interactiveUI srcs Nothing
+ DoEval expr -> interactiveUI srcs (Just expr)
#endif
-- -----------------------------------------------------------------------------
checkOptions :: GhcMode -> [String] -> [String] -> IO ()
-- Final sanity checking before kicking off a compilation (pipeline).
checkOptions mode srcs objs = do
+ -- Complain about any unknown flags
+ let unknown_opts = [ f | f@('-':_) <- srcs ]
+ when (notNull unknown_opts) (unknownFlagsErr unknown_opts)
+
-- -ohi sanity check
ohi <- readIORef v_Output_hi
if (isJust ohi &&
- (mode == DoMake || mode == DoInteractive || srcs `lengthExceeds` 1))
+ (mode == DoMake || isInteractive mode || srcs `lengthExceeds` 1))
then throwDyn (UsageError "-ohi can only be used when compiling a single source file")
else do
-- Check that there are some input files (except in the interactive
-- case)
- if null srcs && null objs && mode /= DoInteractive
+ if null srcs && null objs && not (isInteractive mode)
then throwDyn (UsageError "no input files")
else do
- -- Complain about any unknown flags
- let unknown_opts = [ f | f@('-':_) <- srcs ]
- when (notNull unknown_opts) (unknownFlagsErr unknown_opts)
-
-- Verify that output files point somewhere sensible.
verifyOutputFiles
+isInteractive DoInteractive = True
+isInteractive (DoEval _) = True
+isInteractive _ = False
-- -----------------------------------------------------------------------------
-- Compile files in one-shot mode.
doMake [] = throwDyn (UsageError "no input files")
doMake srcs = do
dflags <- getDynFlags
- state <- cmInit Batch
- graph <- cmDepAnal state dflags srcs
- (_, ok_flag, _) <- cmLoadModules state dflags graph
+ state <- cmInit Batch dflags
+ graph <- cmDepAnal state srcs
+ (_, ok_flag, _) <- cmLoadModules state graph
when (failed ok_flag) (exitWith (ExitFailure 1))
return ()