X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FMain.hs;h=7a2ae0c67f85d253e69a4531dd0d922b345c7f39;hb=423d477bfecd490de1449c59325c8776f91d7aac;hp=20a551ea1ad34fe6ba0bd1b67fa05f6586d87921;hpb=d28ba8c800901bea01f70c4719278c2a364cf9fc;p=ghc-hetmet.git diff --git a/ghc/compiler/main/Main.hs b/ghc/compiler/main/Main.hs index 20a551e..7a2ae0c 100644 --- a/ghc/compiler/main/Main.hs +++ b/ghc/compiler/main/Main.hs @@ -1,7 +1,7 @@ {-# OPTIONS -fno-warn-incomplete-patterns -optc-DNON_POSIX_SOURCE #-} ----------------------------------------------------------------------------- --- $Id: Main.hs,v 1.127 2003/06/23 10:35:17 simonpj Exp $ +-- $Id: Main.hs,v 1.138 2004/08/13 13:07:05 simonmar Exp $ -- -- GHC Driver program -- @@ -10,7 +10,7 @@ ----------------------------------------------------------------------------- -- with path so that ghc -M can find config.h -#include "../includes/config.h" +#include "../includes/ghcconfig.h" module Main (main) where @@ -31,12 +31,12 @@ import Packages ( showPackages, getPackageConfigMap, basePackage, 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 ) @@ -44,7 +44,7 @@ import DriverFlags ( buildStaticHscOpts, dynamic_flags, processArgs, static_flags) import DriverMkDepend ( beginMkDependHS, endMkDependHS ) -import DriverPhases ( isSourceFile ) +import DriverPhases ( isSourceFilename ) import DriverUtil ( add, handle, handleDyn, later, unknownFlagsErr ) import CmdLineOpts ( dynFlag, restoreDynFlags, @@ -97,10 +97,9 @@ main = hFlush stdout case exception of -- an IO exception probably isn't our fault, so don't panic - IOException _ -> hPutStr stderr (show exception) + IOException _ -> hPutStrLn stderr (show exception) AsyncException StackOverflow -> - hPutStrLn stderr "stack overflow: use +RTS -K \ - \to increase it" + hPutStrLn stderr "stack overflow: use +RTS -K to increase it" _other -> hPutStr stderr (show (Panic (show exception))) exitWith (ExitFailure 1) ) $ do @@ -141,12 +140,8 @@ main = -- -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.") @@ -167,27 +162,24 @@ main = -- 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 -- by module basis, using only the -fvia-C and -fasm flags. If the global -- HscLang is not HscC or HscAsm, -fvia-C and -fasm have no effect. dyn_flags <- getDynFlags - build_tag <- readIORef v_Build_tag let lang = case mode of DoInteractive -> HscInterpreted - _other | build_tag /= "" -> HscC - | otherwise -> hscLang dyn_flags - -- for ways other that the normal way, we must - -- compile via C. + DoEval _ -> HscInterpreted + _other -> hscLang dyn_flags - 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" @@ -215,7 +207,7 @@ main = Everything else is considered to be a linker object, and passed straight through to the linker. -} - looks_like_an_input m = isSourceFile m + looks_like_an_input m = isSourceFilename m || looksLikeModuleName m || '.' `notElem` m @@ -225,7 +217,9 @@ main = normal_fileish_paths = map normalisePath fileish_args (srcs, objs) = partition looks_like_an_input normal_fileish_paths - mapM_ (add v_Ld_inputs) objs + -- Note: have v_Ld_inputs maintain the order in which 'objs' occurred on + -- the command-line. + mapM_ (add v_Ld_inputs) (reverse objs) ---------------- Display banners and configuration ----------- showBanners mode conf_file static_opts @@ -233,6 +227,12 @@ main = ---------------- Final sanity checking ----------- checkOptions mode srcs objs + -- We always link in the base package in + -- one-shot linking. Any other packages + -- required must be given using -package + -- options on the command-line. + let def_hs_pkgs = [basePackage, haskell98Package] + ---------------- Do the business ----------- case mode of DoMake -> doMake srcs @@ -242,21 +242,20 @@ main = endMkDependHS } StopBefore p -> do { compileFiles mode srcs; return () } DoMkDLL -> do { o_files <- compileFiles mode srcs; - doMkDLL o_files } + doMkDLL o_files def_hs_pkgs } DoLink -> do { o_files <- compileFiles mode srcs; omit_linking <- readIORef v_NoLink; when (not omit_linking) - (staticLink o_files - [basePackage, haskell98Package]) } - -- We always link in the base package in - -- one-shot linking. Any other packages - -- required must be given using -package - -- options on the command-line. + (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 -- ----------------------------------------------------------------------------- @@ -265,10 +264,14 @@ main = 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 @@ -280,17 +283,16 @@ checkOptions mode srcs objs = 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. @@ -317,7 +319,7 @@ compileFile mode stop_flag src = do | mode==DoLink || mode==DoMkDLL = Nothing | otherwise = o_file - runPipeline mode stop_flag True maybe_o_file src + runPipeline mode stop_flag True maybe_o_file src Nothing{-no ModLocation-} -- ---------------------------------------------------------------------------- @@ -327,9 +329,9 @@ doMake :: [String] -> IO () 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 ()