X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverFlags.hs;h=128a3a80b27ab81563268efef384de96601a3b3e;hb=26b8a5b3feab9d556c92f495a6775acf8cf9f3ec;hp=8e7ac15a2ae954530014c54225d0401e0158b0be;hpb=fd99cf4f7c390e4b1abc9a839a6f023d3b6c4757;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverFlags.hs b/ghc/compiler/main/DriverFlags.hs index 8e7ac15..128a3a8 100644 --- a/ghc/compiler/main/DriverFlags.hs +++ b/ghc/compiler/main/DriverFlags.hs @@ -1,5 +1,7 @@ +{-# OPTIONS -#include "hschooks.h" #-} + ----------------------------------------------------------------------------- --- $Id: DriverFlags.hs,v 1.10 2000/10/27 11:48:55 sewardj Exp $ +-- $Id: DriverFlags.hs,v 1.39 2001/01/12 11:04:45 simonmar Exp $ -- -- Driver flags -- @@ -14,14 +16,18 @@ module DriverFlags where import PackageMaintenance import DriverState import DriverUtil +import TmpFiles ( v_TmpDir ) import CmdLineOpts import Config import Util -import CmdLineOpts +import Panic import Exception import IOExts + import IO +import Maybe +import Monad import System import Char @@ -62,7 +68,6 @@ processArgs :: [(String,OptKind)] -> [String] -> [String] -> IO [String] -- returns spare args processArgs _spec [] spare = return (reverse spare) processArgs spec args@(('-':arg):args') spare = do - putStrLn ( "processArg: " ++ arg) case findArg spec arg of Just (rest,action) -> do args' <- processOneArg action rest args @@ -115,8 +120,7 @@ processOneArg action rest (dash_arg@('-':arg):args) = findArg :: [(String,OptKind)] -> String -> Maybe (String,OptKind) findArg spec arg - = trace ("findArg: " ++ arg) $ - case [ (remove_spaces rest, k) + = case [ (remove_spaces rest, k) | (pat,k) <- spec, Just rest <- [my_prefix_match pat arg], arg_ok k rest arg ] of @@ -130,8 +134,8 @@ arg_ok (Prefix _) rest arg = not (null rest) arg_ok (PrefixPred p _) rest arg = not (null rest) && p rest arg_ok (OptPrefix _) rest arg = True arg_ok (PassFlag _) rest arg = null rest -arg_ok (AnySuffix _) rest arg = not (null rest) -arg_ok (AnySuffixPred p _) rest arg = not (null rest) && p arg +arg_ok (AnySuffix _) rest arg = True +arg_ok (AnySuffixPred p _) rest arg = p arg ----------------------------------------------------------------------------- -- Static flags @@ -148,13 +152,12 @@ static_flags = ------- version ---------------------------------------------------- , ( "-version" , NoArg (do hPutStrLn stdout (cProjectName - ++ ", version " ++ version_str) + ++ ", version " ++ cProjectVersion) exitWith ExitSuccess)) - , ( "-numeric-version", NoArg (do hPutStrLn stdout version_str + , ( "-numeric-version", NoArg (do hPutStrLn stdout cProjectVersion exitWith ExitSuccess)) ------- verbosity ---------------------------------------------------- - , ( "v" , NoArg (writeIORef v_Verbose True) ) , ( "n" , NoArg (writeIORef v_Dry_run True) ) ------- recompilation checker -------------------------------------- @@ -164,7 +167,6 @@ static_flags = ------- ways -------------------------------------------------------- , ( "prof" , NoArg (addNoDups v_Ways WayProf) ) , ( "unreg" , NoArg (addNoDups v_Ways WayUnreg) ) - , ( "dll" , NoArg (addNoDups v_Ways WayDll) ) , ( "ticky" , NoArg (addNoDups v_Ways WayTicky) ) , ( "parallel" , NoArg (addNoDups v_Ways WayPar) ) , ( "gransim" , NoArg (addNoDups v_Ways WayGran) ) @@ -196,11 +198,12 @@ static_flags = ------- Miscellaneous ----------------------------------------------- , ( "no-link-chk" , NoArg (return ()) ) -- ignored for backwards compat + , ( "no-hs-main" , NoArg (writeIORef v_NoHsMain True) ) ------- Output Redirection ------------------------------------------ , ( "odir" , HasArg (writeIORef v_Output_dir . Just) ) , ( "o" , SepArg (writeIORef v_Output_file . Just) ) - , ( "osuf" , HasArg (writeIORef v_Output_suf . Just) ) + , ( "osuf" , HasArg (writeIORef v_Object_suf . Just) ) , ( "hisuf" , HasArg (writeIORef v_Hi_suf) ) , ( "tmpdir" , HasArg (writeIORef v_TmpDir . (++ "/")) ) , ( "ohi" , HasArg (\s -> case s of @@ -216,12 +219,11 @@ static_flags = , ( "split-objs" , NoArg (if can_split then do writeIORef v_Split_object_files True add v_Opt_C "-fglobalise-toplev-names" --- TODO!!!!! add opt_c "-DUSE_SPLIT_MARKERS" else hPutStrLn stderr "warning: don't know how to split \ \object files on this architecture" ) ) - + ------- Include/Import Paths ---------------------------------------- , ( "i" , OptPrefix (addToDirList v_Import_paths) ) , ( "I" , Prefix (addToDirList v_Include_paths) ) @@ -261,16 +263,17 @@ static_flags = ----- Linker -------------------------------------------------------- , ( "static" , NoArg (writeIORef v_Static True) ) + , ( "dynamic" , NoArg (writeIORef v_Static False) ) + , ( "rdynamic" , NoArg (return ()) ) -- ignored for compat w/ gcc + + ----- RTS opts ------------------------------------------------------ + , ( "H" , HasArg (setHeapSize . fromIntegral . decodeSize) ) + , ( "Rghc-timing" , NoArg (enableTimingStats) ) ------ Compiler flags ----------------------------------------------- , ( "O2-for-C" , NoArg (writeIORef v_minus_o2_for_C True) ) , ( "O" , OptPrefix (setOptLevel) ) - , ( "fasm" , OptPrefix (\_ -> writeIORef v_Hsc_Lang HscAsm) ) - - , ( "fvia-c" , NoArg (writeIORef v_Hsc_Lang HscC) ) - , ( "fvia-C" , NoArg (writeIORef v_Hsc_Lang HscC) ) - , ( "fno-asm-mangling" , NoArg (writeIORef v_Do_asm_mangling False) ) , ( "fmax-simplifier-iterations", @@ -282,8 +285,14 @@ static_flags = , ( "fexcess-precision" , NoArg (do writeIORef v_Excess_precision True add v_Opt_C "-fexcess-precision")) + -- Optimisation flags are treated specially, so the normal + -- -fno-* pattern below doesn't work. We therefore allow + -- certain optimisation passes to be turned off explicitly: + , ( "fno-strictness" , NoArg (writeIORef v_Strictness False) ) + , ( "fno-cpr" , NoArg (writeIORef v_CPR False) ) + , ( "fno-cse" , NoArg (writeIORef v_CSE False) ) + -- flags that are "active negatives" - , ( "fno-implicit-prelude" , PassFlag (add v_Opt_C) ) , ( "fno-prune-tydecls" , PassFlag (add v_Opt_C) ) , ( "fno-prune-instdecls" , PassFlag (add v_Opt_C) ) , ( "fno-pre-inlining" , PassFlag (add v_Opt_C) ) @@ -299,22 +308,61 @@ static_flags = ----------------------------------------------------------------------------- -- parse the dynamic arguments -GLOBAL_VAR(v_InitDynFlags, error "no InitDynFlags", DynFlags) -GLOBAL_VAR(v_DynFlags, error "no DynFlags", DynFlags) +-- v_InitDynFlags +-- is the "baseline" dynamic flags, initialised from +-- the defaults and command line options. +-- +-- v_DynFlags +-- is the dynamic flags for the current compilation. It is reset +-- to the value of v_InitDynFlags before each compilation, then +-- updated by reading any OPTIONS pragma in the current module. + +GLOBAL_VAR(v_InitDynFlags, defaultDynFlags, DynFlags) +GLOBAL_VAR(v_DynFlags, defaultDynFlags, DynFlags) -setDynFlag f = do +updDynFlags f = do dfs <- readIORef v_DynFlags - writeIORef v_DynFlags dfs{ flags = f : flags dfs } + writeIORef v_DynFlags (f dfs) + +getDynFlags :: IO DynFlags +getDynFlags = readIORef v_DynFlags + +dynFlag :: (DynFlags -> a) -> IO a +dynFlag f = do dflags <- readIORef v_DynFlags; return (f dflags) -unSetDynFlag f = do +setDynFlag f = updDynFlags (\dfs -> dfs{ flags = f : flags dfs }) +unSetDynFlag f = updDynFlags (\dfs -> dfs{ flags = filter (/= f) (flags dfs) }) + +-- we can only change HscC to HscAsm and vice-versa with dynamic flags +-- (-fvia-C and -fasm). +setLang l = do dfs <- readIORef v_DynFlags - writeIORef v_DynFlags dfs{ flags = filter (/= f) (flags dfs) } + case hscLang dfs of + HscC -> writeIORef v_DynFlags dfs{ hscLang = l } + HscAsm -> writeIORef v_DynFlags dfs{ hscLang = l } + _ -> return () + +setVerbosityAtLeast n = + updDynFlags (\dfs -> if verbosity dfs < n + then dfs{ verbosity = n } + else dfs) + +setVerbosity "" = updDynFlags (\dfs -> dfs{ verbosity = 3 }) +setVerbosity n + | all isDigit n = updDynFlags (\dfs -> dfs{ verbosity = read n }) + | otherwise = throwDyn (OtherError "can't parse verbosity flag (-v)") + +getVerbFlag = do + verb <- dynFlag verbosity + if verb >= 3 then return "-v" else return "" dynamic_flags = [ ( "cpp", NoArg (updateState (\s -> s{ cpp_flag = True })) ) , ( "#include", HasArg (addCmdlineHCInclude) ) + , ( "v", OptPrefix (setVerbosity) ) + , ( "optL", HasArg (addOpt_L) ) , ( "optP", HasArg (addOpt_P) ) , ( "optc", HasArg (addOpt_c) ) @@ -328,61 +376,45 @@ dynamic_flags = [ ------ Debugging ---------------------------------------------------- , ( "dstg-stats", NoArg (writeIORef v_StgStats True) ) - , ( "ddump_all", NoArg (setDynFlag Opt_D_dump_all) ) - , ( "ddump_most", NoArg (setDynFlag Opt_D_dump_most) ) - , ( "ddump_absC", NoArg (setDynFlag Opt_D_dump_absC) ) - , ( "ddump_asm", NoArg (setDynFlag Opt_D_dump_asm) ) - , ( "ddump_cpranal", NoArg (setDynFlag Opt_D_dump_cpranal) ) - , ( "ddump_deriv", NoArg (setDynFlag Opt_D_dump_deriv) ) - , ( "ddump_ds", NoArg (setDynFlag Opt_D_dump_ds) ) - , ( "ddump_flatC", NoArg (setDynFlag Opt_D_dump_flatC) ) - , ( "ddump_foreign", NoArg (setDynFlag Opt_D_dump_foreign) ) - , ( "ddump_inlinings", NoArg (setDynFlag Opt_D_dump_inlinings) ) - , ( "ddump_occur_anal", NoArg (setDynFlag Opt_D_dump_occur_anal) ) - , ( "ddump_parsed", NoArg (setDynFlag Opt_D_dump_parsed) ) - , ( "ddump_realC", NoArg (setDynFlag Opt_D_dump_realC) ) - , ( "ddump_rn", NoArg (setDynFlag Opt_D_dump_rn) ) - , ( "ddump_simpl", NoArg (setDynFlag Opt_D_dump_simpl) ) - , ( "ddump_simpl_iterations", NoArg (setDynFlag Opt_D_dump_simpl_iterations) ) - , ( "ddump_spec", NoArg (setDynFlag Opt_D_dump_spec) ) - , ( "ddump_stg", NoArg (setDynFlag Opt_D_dump_stg) ) - , ( "ddump_stranal", NoArg (setDynFlag Opt_D_dump_stranal) ) - , ( "ddump_tc", NoArg (setDynFlag Opt_D_dump_tc) ) - , ( "ddump_types", NoArg (setDynFlag Opt_D_dump_types) ) - , ( "ddump_rules", NoArg (setDynFlag Opt_D_dump_rules) ) - , ( "ddump_usagesp", NoArg (setDynFlag Opt_D_dump_usagesp) ) - , ( "ddump_cse", NoArg (setDynFlag Opt_D_dump_cse) ) - , ( "ddump_worker_wrapper", NoArg (setDynFlag Opt_D_dump_worker_wrapper) ) - , ( "dshow_passes", NoArg (setDynFlag Opt_D_show_passes) ) - , ( "ddump_rn_trace", NoArg (setDynFlag Opt_D_dump_rn_trace) ) - , ( "ddump_rn_stats", NoArg (setDynFlag Opt_D_dump_rn_stats) ) - , ( "ddump_stix", NoArg (setDynFlag Opt_D_dump_stix) ) - , ( "ddump_simpl_stats", NoArg (setDynFlag Opt_D_dump_simpl_stats) ) - , ( "dsource_stats", NoArg (setDynFlag Opt_D_source_stats) ) - , ( "dverbose_core2core", NoArg (setDynFlag Opt_D_verbose_core2core) ) - , ( "dverbose_stg2stg", NoArg (setDynFlag Opt_D_verbose_stg2stg) ) - , ( "ddump_hi_diffs", NoArg (setDynFlag Opt_D_dump_hi_diffs) ) - , ( "ddump_minimal_imports", NoArg (setDynFlag Opt_D_dump_minimal_imports) ) - , ( "DoCoreLinting", NoArg (setDynFlag Opt_DoCoreLinting) ) - , ( "DoStgLinting", NoArg (setDynFlag Opt_DoStgLinting) ) - , ( "DoUSPLinting", NoArg (setDynFlag Opt_DoUSPLinting) ) - - ------ Warnings ---------------------------------------------------- - - , ( "-fwarn-duplicate-exports", NoArg (setDynFlag Opt_WarnDuplicateExports) ) - , ( "-fwarn-hi-shadowing", NoArg (setDynFlag Opt_WarnHiShadows) ) - , ( "-fwarn-incomplete-patterns", NoArg (setDynFlag Opt_WarnIncompletePatterns) ) - , ( "-fwarn-missing-fields", NoArg (setDynFlag Opt_WarnMissingFields) ) - , ( "-fwarn-missing-methods", NoArg (setDynFlag Opt_WarnMissingMethods)) - , ( "-fwarn-missing-signatures", NoArg (setDynFlag Opt_WarnMissingSigs) ) - , ( "-fwarn-name-shadowing", NoArg (setDynFlag Opt_WarnNameShadowing) ) - , ( "-fwarn-overlapping-patterns", NoArg (setDynFlag Opt_WarnOverlappingPatterns ) ) - , ( "-fwarn-simple-patterns", NoArg (setDynFlag Opt_WarnSimplePatterns)) - , ( "-fwarn-type-defaults", NoArg (setDynFlag Opt_WarnTypeDefaults) ) - , ( "-fwarn-unused-binds", NoArg (setDynFlag Opt_WarnUnusedBinds) ) - , ( "-fwarn-unused-imports", NoArg (setDynFlag Opt_WarnUnusedImports) ) - , ( "-fwarn-unused-matches", NoArg (setDynFlag Opt_WarnUnusedMatches) ) - , ( "-fwarn-deprecations", NoArg (setDynFlag Opt_WarnDeprecations) ) + , ( "ddump-absC", NoArg (setDynFlag Opt_D_dump_absC) ) + , ( "ddump-asm", NoArg (setDynFlag Opt_D_dump_asm) ) + , ( "ddump-cpranal", NoArg (setDynFlag Opt_D_dump_cpranal) ) + , ( "ddump-deriv", NoArg (setDynFlag Opt_D_dump_deriv) ) + , ( "ddump-ds", NoArg (setDynFlag Opt_D_dump_ds) ) + , ( "ddump-flatC", NoArg (setDynFlag Opt_D_dump_flatC) ) + , ( "ddump-foreign", NoArg (setDynFlag Opt_D_dump_foreign) ) + , ( "ddump-inlinings", NoArg (setDynFlag Opt_D_dump_inlinings) ) + , ( "ddump-occur-anal", NoArg (setDynFlag Opt_D_dump_occur_anal) ) + , ( "ddump-parsed", NoArg (setDynFlag Opt_D_dump_parsed) ) + , ( "ddump-realC", NoArg (setDynFlag Opt_D_dump_realC) ) + , ( "ddump-rn", NoArg (setDynFlag Opt_D_dump_rn) ) + , ( "ddump-simpl", NoArg (setDynFlag Opt_D_dump_simpl) ) + , ( "ddump-simpl-iterations", NoArg (setDynFlag Opt_D_dump_simpl_iterations) ) + , ( "ddump-spec", NoArg (setDynFlag Opt_D_dump_spec) ) + , ( "ddump-sat", NoArg (setDynFlag Opt_D_dump_sat) ) + , ( "ddump-stg", NoArg (setDynFlag Opt_D_dump_stg) ) + , ( "ddump-stranal", NoArg (setDynFlag Opt_D_dump_stranal) ) + , ( "ddump-tc", NoArg (setDynFlag Opt_D_dump_tc) ) + , ( "ddump-types", NoArg (setDynFlag Opt_D_dump_types) ) + , ( "ddump-rules", NoArg (setDynFlag Opt_D_dump_rules) ) + , ( "ddump-usagesp", NoArg (setDynFlag Opt_D_dump_usagesp) ) + , ( "ddump-cse", NoArg (setDynFlag Opt_D_dump_cse) ) + , ( "ddump-worker-wrapper", NoArg (setDynFlag Opt_D_dump_worker_wrapper) ) + , ( "dshow-passes", NoArg (setVerbosity "2") ) + , ( "ddump-rn-trace", NoArg (setDynFlag Opt_D_dump_rn_trace) ) + , ( "ddump-rn-stats", NoArg (setDynFlag Opt_D_dump_rn_stats) ) + , ( "ddump-stix", NoArg (setDynFlag Opt_D_dump_stix) ) + , ( "ddump-simpl-stats", NoArg (setDynFlag Opt_D_dump_simpl_stats) ) + , ( "ddump-bcos", NoArg (setDynFlag Opt_D_dump_BCOs) ) + , ( "dsource-stats", NoArg (setDynFlag Opt_D_source_stats) ) + , ( "dverbose-core2core", NoArg (setDynFlag Opt_D_verbose_core2core) ) + , ( "dverbose-stg2stg", NoArg (setDynFlag Opt_D_verbose_stg2stg) ) + , ( "ddump-hi-diffs", NoArg (setDynFlag Opt_D_dump_hi_diffs) ) + , ( "ddump-hi", NoArg (setDynFlag Opt_D_dump_hi) ) + , ( "ddump-minimal-imports", NoArg (setDynFlag Opt_D_dump_minimal_imports) ) + , ( "dcore-lint", NoArg (setDynFlag Opt_DoCoreLinting) ) + , ( "dstg-lint", NoArg (setDynFlag Opt_DoStgLinting) ) + , ( "dusagesp-lint", NoArg (setDynFlag Opt_DoUSPLinting) ) ------ Machine dependant (-m) stuff --------------------------- @@ -392,18 +424,44 @@ dynamic_flags = [ ------ Compiler flags ----------------------------------------------- - , ( "fglasgow-exts", NoArg (setDynFlag Opt_GlasgowExts) ) + , ( "fasm", AnySuffix (\_ -> setLang HscAsm) ) + , ( "fvia-c", NoArg (setLang HscC) ) + , ( "fvia-C", NoArg (setLang HscC) ) - , ( "fallow-overlapping-instances", - NoArg (setDynFlag Opt_AllowOverlappingInstances) ) + -- "active negatives" + , ( "fno-implicit-prelude", NoArg (setDynFlag Opt_NoImplicitPrelude) ) - , ( "fallow-undecidable-instances", - NoArg (setDynFlag Opt_AllowUndecidableInstances) ) + -- the rest of the -f* and -fno-* flags + , ( "fno-", PrefixPred (\f -> isFFlag f) (\f -> unSetDynFlag (getFFlag f)) ) + , ( "f", PrefixPred (\f -> isFFlag f) (\f -> setDynFlag (getFFlag f)) ) + ] - , ( "fgenerics", NoArg (setDynFlag Opt_Generics) ) +-- these -f flags can all be reversed with -fno- + +fFlags = [ + ( "warn-duplicate-exports", Opt_WarnDuplicateExports ), + ( "warn-hi-shadowing", Opt_WarnHiShadows ), + ( "warn-incomplete-patterns", Opt_WarnIncompletePatterns ), + ( "warn-missing-fields", Opt_WarnMissingFields ), + ( "warn-missing-methods", Opt_WarnMissingMethods ), + ( "warn-missing-signatures", Opt_WarnMissingSigs ), + ( "warn-name-shadowing", Opt_WarnNameShadowing ), + ( "warn-overlapping-patterns", Opt_WarnOverlappingPatterns ), + ( "warn-simple-patterns", Opt_WarnSimplePatterns ), + ( "warn-type-defaults", Opt_WarnTypeDefaults ), + ( "warn-unused-binds", Opt_WarnUnusedBinds ), + ( "warn-unused-imports", Opt_WarnUnusedImports ), + ( "warn-unused-matches", Opt_WarnUnusedMatches ), + ( "warn-deprecations", Opt_WarnDeprecations ), + ( "glasgow-exts", Opt_GlasgowExts ), + ( "allow-overlapping-instances", Opt_AllowOverlappingInstances ), + ( "allow-undecidable-instances", Opt_AllowUndecidableInstances ), + ( "fgenerics", Opt_Generics ), + ( "report-compile", Opt_ReportCompile ) + ] - , ( "freport-compile", NoArg (setDynFlag Opt_ReportCompile) ) - ] +isFFlag f = f `elem` (map fst fFlags) +getFFlag f = fromJust (lookup f fFlags) ----------------------------------------------------------------------------- -- convert sizes like "3.5M" into integers @@ -420,8 +478,13 @@ decodeSize str pred c = isDigit c || c == '.' floatOpt :: IORef Double -> String -> IO () -floatOpt ref str - = writeIORef ref (read str :: Double) +floatOpt ref str = writeIORef ref (read str :: Double) + +----------------------------------------------------------------------------- +-- RTS Hooks + +foreign import "setHeapSize" unsafe setHeapSize :: Int -> IO () +foreign import "enableTimingStats" unsafe enableTimingStats :: IO () ----------------------------------------------------------------------------- -- Build the Hsc static command line opts @@ -429,7 +492,7 @@ floatOpt ref str buildStaticHscOpts :: IO [String] buildStaticHscOpts = do - opt_C_ <- getStaticOpts v_Opt_C -- misc hsc opts + opt_C_ <- getStaticOpts v_Opt_C -- misc hsc opts from the command line -- optimisation minus_o <- readIORef v_OptLevel @@ -441,19 +504,37 @@ buildStaticHscOpts = do _ -> error "unknown opt level" -- ToDo: -Ofile - let stg_opts = [ "-flet-no-escape" ] - -- let-no-escape always on for now - -- take into account -fno-* flags by removing the equivalent -f* -- flag from our list. anti_flags <- getStaticOpts v_Anti_opt_C - let basic_opts = opt_C_ ++ optimisation_opts ++ stg_opts + let basic_opts = opt_C_ ++ optimisation_opts filtered_opts = filter (`notElem` anti_flags) basic_opts - verb <- is_verbose - let hi_vers = "-fhi-version="++cProjectVersionInt - static <- (do s <- readIORef v_Static; if s then return "-static" else return "") - return ( filtered_opts ++ [ hi_vers, static, verb ] ) + return ( static : filtered_opts ) + +----------------------------------------------------------------------------- +-- Running an external program + +-- sigh, here because both DriverMkDepend & DriverPipeline need it. + +runSomething phase_name cmd + = do + verb <- dynFlag verbosity + when (verb >= 2) $ hPutStrLn stderr ("*** " ++ phase_name) + when (verb >= 3) $ hPutStrLn stderr cmd + hFlush stderr + + -- test for -n flag + n <- readIORef v_Dry_run + unless n $ do + + -- and run it! + exit_code <- kludgedSystem cmd phase_name + + if exit_code /= ExitSuccess + then throwDyn (PhaseFailed phase_name exit_code) + else do when (verb >= 3) (hPutStr stderr "\n") + return ()