-- DLL building
doMkDLL,
- getOptionsFromStringBuffer, -- used in module GHC
- optionsErrorMsgs, -- ditto
) where
#include "HsVersions.h"
import Packages
-import GetImports
+import HeaderInfo
import DriverPhases
import SysTools ( newTempName, addFilesToClean, getSysMan, copy )
import qualified SysTools
import StringBuffer ( hGetStringBuffer )
import BasicTypes ( SuccessFlag(..) )
import Maybes ( expectJust )
-import Ctype ( is_ident )
-import StringBuffer ( StringBuffer(..), lexemeToString )
import ParserCoreUtils ( getCoreModuleName )
-import SrcLoc ( srcLocSpan, mkSrcLoc )
-import FastString ( mkFastString )
-import Bag ( listToBag, emptyBag )
+import SrcLoc ( unLoc )
import SrcLoc ( Located(..) )
-import Distribution.Compiler ( extensionsToGHCFlag )
-
import EXCEPTION
import DATA_IOREF ( readIORef, writeIORef, IORef )
import GLAEXTS ( Int(..) )
compile hsc_env mod_summary maybe_old_linkable old_iface mod_index nmods = do
- let dflags0 = hsc_dflags hsc_env
+ let dflags0 = ms_hspp_opts mod_summary
this_mod = ms_mod mod_summary
src_flavour = ms_hsc_src mod_summary
let location = ms_location mod_summary
let input_fn = expectJust "compile:hs" (ml_hs_file location)
- let input_fnpp = expectJust "compile:hspp" (ms_hspp_file mod_summary)
+ let input_fnpp = ms_hspp_file mod_summary
debugTraceMsg dflags0 2 (text "compile: input file" <+> text input_fnpp)
- -- Add in the OPTIONS from the source file
- -- This is nasty: we've done this once already, in the compilation manager
- -- It might be better to cache the flags in the ml_hspp_file field,say
- let hspp_buf = expectJust "compile:hspp_buf" (ms_hspp_buf mod_summary)
- opts = getOptionsFromStringBuffer hspp_buf input_fn
- (dflags1,unhandled_flags) <- parseDynamicFlags dflags0 (map snd opts)
- if (not (null unhandled_flags))
- then do printErrorsAndWarnings dflags1 (optionsErrorMsgs unhandled_flags opts input_fn)
- return CompErrs
- else do
-
let (basename, _) = splitFilename input_fn
-- We add the directory in which the .hs files resides) to the import path.
-- This is needed when we try to compile the .hc file later, if it
-- imports a _stub.h file that we created here.
let current_dir = directoryOf basename
- old_paths = includePaths dflags1
- dflags = dflags1 { includePaths = current_dir : old_paths }
+ old_paths = includePaths dflags0
+ dflags = dflags0 { includePaths = current_dir : old_paths }
-- Figure out what lang we're generating
let hsc_lang = hscMaybeAdjustTarget dflags StopLn src_flavour (hscTarget dflags)
= do stub_o <- compileStub dflags' this_mod location
return [ DotO stub_o ]
- handleMake (HscNoRecomp, iface, details)
+ handleBatch (HscNoRecomp, iface, details)
= ASSERT (isJust maybe_old_linkable)
return (CompOK details iface maybe_old_linkable)
- handleMake (HscRecomp hasStub, iface, details)
+ handleBatch (HscRecomp hasStub, iface, details)
| isHsBoot src_flavour
= return (CompOK details iface Nothing)
| otherwise
let runCompiler compiler handle
= do mbResult <- compiler hsc_env' mod_summary
- source_unchanged have_object old_iface
+ source_unchanged old_iface
(Just (mod_index, nmods))
case mbResult of
Nothing -> return CompErrs
HscInterpreted | not (isHsBoot src_flavour) -- We can't compile boot files to
-- bytecode so don't even try.
-> runCompiler hscCompileInteractive handleInterpreted
+ HscNothing
+ -> runCompiler hscCompileNothing handleBatch
_other
- -> runCompiler hscCompileMake handleMake
+ -> runCompiler hscCompileBatch handleBatch
-----------------------------------------------------------------------------
-- stub .h and .c files (for foreign export support)
-- (b) runs cpp if necessary
runPhase (Cpp sf) _stop dflags0 basename suff input_fn get_output_fn maybe_loc
- = do src_opts <- getOptionsFromSource input_fn
- (dflags,unhandled_flags) <- parseDynamicFlags dflags0 src_opts
+ = do src_opts <- getOptionsFromFile input_fn
+ (dflags,unhandled_flags) <- parseDynamicFlags dflags0 (map unLoc src_opts)
checkProcessArgsResult unhandled_flags (basename `joinFileExt` suff)
if not (dopt Opt_Cpp dflags) then
-- Some fields are not looked at by hscMain
mod_summary = ModSummary { ms_mod = mod_name,
ms_hsc_src = src_flavour,
- ms_hspp_file = Just input_fn,
+ ms_hspp_file = input_fn,
+ ms_hspp_opts = dflags,
ms_hspp_buf = hspp_buf,
ms_location = location4,
ms_hs_date = src_timestamp,
-- run the compiler!
mbResult <- hscCompileOneShot hsc_env
mod_summary source_unchanged
- False -- No object file
Nothing -- No iface
Nothing -- No "module i of n" progress info
, "-D__CONCURRENT_HASKELL__"
]
------------------------------------------------------------------------------
--- Reading OPTIONS pragmas
-
--- This is really very ugly and should be rewritten.
--- - some error messages are thrown as exceptions (should return)
--- - we ignore LINE pragmas
--- - parsing is horrible, combination of prefixMatch and 'read'.
-
-getOptionsFromSource
- :: String -- input file
- -> IO [String] -- options, if any
-getOptionsFromSource file
- = do h <- openFile file ReadMode
- look h 1 `finally` hClose h
- where
- look h i = do
- r <- tryJust ioErrors (hGetLine h)
- case r of
- Left e | isEOFError e -> return []
- | otherwise -> ioError e
- Right l' -> do
- let l = removeSpaces l'
- case () of
- () | null l -> look h (i+1)
- | prefixMatch "#" l -> look h (i+1)
- | prefixMatch "{-# LINE" l -> look h (i+1) -- -} wrong!
- | Just opts <- matchOptions i file l
- -> do rest <- look h (i+1)
- return (opts ++ rest)
- | otherwise -> return []
-
-getOptionsFromStringBuffer :: StringBuffer -> FilePath -> [(Int,String)]
-getOptionsFromStringBuffer buffer@(StringBuffer _ len _) fn =
- let
- ls = lines (lexemeToString buffer len) -- lazy, so it's ok
- in
- look 1 ls
- where
- look i [] = []
- look i (l':ls) = do
- let l = removeSpaces l'
- case () of
- () | null l -> look (i+1) ls
- | prefixMatch "#" l -> look (i+1) ls
- | prefixMatch "{-# LINE" l -> look (i+1) ls -- -} wrong!
- | Just opts <- matchOptions i fn l
- -> zip (repeat i) opts ++ look (i+1) ls
- | otherwise -> []
-
--- detect {-# OPTIONS_GHC ... #-}. For the time being, we accept OPTIONS
--- instead of OPTIONS_GHC, but that is deprecated.
-matchOptions i fn s
- | Just s1 <- maybePrefixMatch "{-#" s -- -}
- = matchOptions1 i fn (removeSpaces s1)
- | otherwise
- = Nothing
- where
- matchOptions1 i fn s
- | Just s2 <- maybePrefixMatch "OPTIONS" s
- = case () of
- _ | Just s3 <- maybePrefixMatch "_GHC" s2, not (is_ident (head s3))
- -> matchOptions2 i fn s3
- | not (is_ident (head s2))
- -> matchOptions2 i fn s2
- | otherwise
- -> Just [] -- OPTIONS_anything is ignored, not treated as start of source
- | Just s2 <- maybePrefixMatch "INCLUDE" s, not (is_ident (head s2)),
- Just s3 <- maybePrefixMatch "}-#" (reverse s2)
- = Just ["-#include", removeSpaces (reverse s3)]
-
- | Just s2 <- maybePrefixMatch "LANGUAGE" s, not (is_ident (head s2)),
- Just s3 <- maybePrefixMatch "}-#" (reverse s2)
- = case [ exts | (exts,"") <- reads ('[' : reverse (']':s3))] of
- [] -> languagePragParseError i fn
- exts:_ -> case extensionsToGHCFlag exts of
- ([], opts) -> Just opts
- (unsup,_) -> unsupportedExtnError i fn unsup
- | otherwise = Nothing
- matchOptions2 i fn s
- | Just s3 <- maybePrefixMatch "}-#" (reverse s) = Just (words (reverse s3))
- | otherwise = Nothing
-
-
-languagePragParseError i fn =
- pgmError (showSDoc (mkLocMessage loc (
- text "cannot parse LANGUAGE pragma")))
- where loc = srcLocSpan (mkSrcLoc (mkFastString fn) i 0)
-
-unsupportedExtnError i fn unsup =
- pgmError (showSDoc (mkLocMessage loc (
- text "unsupported extensions: " <>
- hcat (punctuate comma (map (text.show) unsup)))))
- where loc = srcLocSpan (mkSrcLoc (mkFastString fn) i 0)
-
-
-optionsErrorMsgs :: [String] -> [(Int,String)] -> FilePath -> Messages
-optionsErrorMsgs unhandled_flags flags_lines filename
- = (emptyBag, listToBag (map mkMsg unhandled_flags_lines))
- where
- unhandled_flags_lines = [ (l,f) | f <- unhandled_flags,
- (l,f') <- flags_lines, f == f' ]
- mkMsg (line,flag) =
- ErrUtils.mkPlainErrMsg (srcLocSpan loc) $
- text "unknown flag in {-# OPTIONS #-} pragma:" <+> text flag
- where
- loc = mkSrcLoc (mkFastString filename) line 0
- -- ToDo: we need a better SrcSpan here
-- -----------------------------------------------------------------------------
-- Misc.
projects / ghc-hetmet.git / blobdiff