%
-% (c) The GRASP/AQUA Project, Glasgow University, 1993-1996
+% (c) The GRASP/AQUA Project, Glasgow University, 1993-1998
%
\section[GHC_Main]{Main driver for Glasgow Haskell compiler}
\begin{code}
-#include "HsVersions.h"
-
module Main ( main ) where
-IMP_Ubiq(){-uitous-}
-IMPORT_1_3(IO(hGetContents,stdin,stderr,hPutStr,hClose,openFile,IOMode(..)))
+#include "HsVersions.h"
+import IO ( IOMode(..), hPutStr, hClose, openFile, stderr )
import HsSyn
-import RdrHsSyn ( RdrName )
+import BasicTypes ( NewOrData(..) )
import ReadPrefix ( rdModule )
import Rename ( renameModule )
-import RnMonad ( ExportEnv )
import MkIface -- several functions
import TcModule ( typecheckModule )
-import Desugar ( deSugar, pprDsWarnings
-#if __GLASGOW_HASKELL__ <= 200
- , DsMatchContext, DsWarnFlavour
-#endif
- )
+import Desugar ( deSugar )
import SimplCore ( core2core )
import CoreToStg ( topCoreBindsToStg )
-import StgSyn ( collectFinalStgBinders )
+import StgSyn ( collectFinalStgBinders, pprStgBindingsWithSRTs )
import SimplStg ( stg2stg )
import CodeGen ( codeGen )
#if ! OMIT_NATIVE_CODEGEN
import AsmCodeGen ( dumpRealAsm, writeRealAsm )
#endif
-import AbsCSyn ( absCNop, AbstractC )
+import AbsCSyn ( absCNop )
import AbsCUtils ( flattenAbsC )
-import CoreUnfold ( Unfolding )
-import Bag ( emptyBag, isEmptyBag )
import CmdLineOpts
-import ErrUtils ( pprBagOfErrors, ghcExit )
+import ErrUtils ( ghcExit, doIfSet, dumpIfSet )
import Maybes ( maybeToBool, MaybeErr(..) )
-import Specialise ( SpecialiseData(..) )
-import StgSyn ( pprPlainStgBinding, GenStgBinding )
-import TcInstUtil ( InstInfo )
import TyCon ( isDataTyCon )
+import Class ( classTyCon )
import UniqSupply ( mkSplitUniqSupply )
import PprAbsC ( dumpRealC, writeRealC )
-import PprCore ( pprCoreBinding )
-import PprStyle ( PprStyle(..) )
-import Pretty
-
-import Id ( GenId ) -- instances
-import Name ( Name ) -- instances
-import PprType ( GenType, GenTyVar ) -- instances
-import TyVar ( GenTyVar ) -- instances
-import Unique ( Unique ) -- instances
-#if __GLASGOW_HASKELL__ >= 202
-import Outputable ( Outputable(..) )
+import FiniteMap ( emptyFM )
+import Outputable
+import Char ( isSpace )
+#if REPORT_TO_MOTHERLODE && __GLASGOW_HASKELL__ >= 303
+import SocketPrim
+import BSD
+import IOExts ( unsafePerformIO )
+import NativeInfo ( os, arch )
#endif
+
\end{code}
\begin{code}
main =
- _scc_ "main"
- hGetContents stdin >>= \ input_pgm ->
- let
- cmd_line_info = classifyOpts
- in
- doIt cmd_line_info input_pgm
+ -- _scc_ "main"
+ doIt classifyOpts
\end{code}
\begin{code}
-doIt :: ([CoreToDo], [StgToDo]) -> String -> IO ()
+doIt :: ([CoreToDo], [StgToDo]) -> IO ()
-doIt (core_cmds, stg_cmds) input_pgm
- = doDump opt_Verbose "Glasgow Haskell Compiler, version 2.03, for Haskell 1.4" "" >>
+doIt (core_cmds, stg_cmds)
+ = doIfSet opt_Verbose
+ (hPutStr stderr "Glasgow Haskell Compiler, version " >>
+ hPutStr stderr compiler_version >>
+ hPutStr stderr ", for Haskell 1.4\n") >>
-- ******* READER
show_pass "Reader" >>
_scc_ "Reader"
rdModule >>= \ (mod_name, rdr_module) ->
- doDump opt_D_dump_rdr "Reader:"
- (pp_show (ppr pprStyle rdr_module)) >>
+ dumpIfSet opt_D_dump_rdr "Reader" (ppr rdr_module) >>
- doDump opt_D_source_stats "\nSource Statistics:"
- (pp_show (ppSourceStats rdr_module)) >>
+ dumpIfSet opt_D_source_stats "Source Statistics"
+ (ppSourceStats False rdr_module) >>
-- UniqueSupplies for later use (these are the only lower case uniques)
- _scc_ "spl-rn"
+-- _scc_ "spl-rn"
mkSplitUniqSupply 'r' >>= \ rn_uniqs -> -- renamer
- _scc_ "spl-tc"
+-- _scc_ "spl-tc"
mkSplitUniqSupply 'a' >>= \ tc_uniqs -> -- typechecker
- _scc_ "spl-ds"
+-- _scc_ "spl-ds"
mkSplitUniqSupply 'd' >>= \ ds_uniqs -> -- desugarer
- _scc_ "spl-sm"
+-- _scc_ "spl-sm"
mkSplitUniqSupply 's' >>= \ sm_uniqs -> -- core-to-core simplifier
- _scc_ "spl-c2s"
+-- _scc_ "spl-c2s"
mkSplitUniqSupply 'c' >>= \ c2s_uniqs -> -- core-to-stg
- _scc_ "spl-st"
+-- _scc_ "spl-st"
mkSplitUniqSupply 'g' >>= \ st_uniqs -> -- stg-to-stg passes
- _scc_ "spl-absc"
+-- _scc_ "spl-absc"
mkSplitUniqSupply 'f' >>= \ fl_uniqs -> -- absC flattener
- _scc_ "spl-ncg"
+-- _scc_ "spl-ncg"
mkSplitUniqSupply 'n' >>= \ ncg_uniqs -> -- native-code generator
-- ******* RENAMER
show_pass "Renamer" >>
_scc_ "Renamer"
- renameModule rn_uniqs rdr_module >>=
- \ (maybe_rn_stuff, rn_errs_bag, rn_warns_bag) ->
-
- checkErrors rn_errs_bag rn_warns_bag >>
+ renameModule rn_uniqs rdr_module >>=
+ \ maybe_rn_stuff ->
case maybe_rn_stuff of {
Nothing -> -- Hurrah! Renamer reckons that there's no need to
-- go any further
- hPutStr stderr "No recompilation required!\n" >>
- ghcExit 0 ;
-
- -- Oh well, we've got to recompile for real
+ reportCompile (_UNPK_ mod_name) "Compilation NOT required!" >>
+ return ();
+
Just (rn_mod, iface_file_stuff, rn_name_supply, imported_modules) ->
+ -- Oh well, we've got to recompile for real
-
- doDump opt_D_dump_rn "Renamer:"
- (pp_show (ppr pprStyle rn_mod)) >>
-
-- Safely past renaming: we can start the interface file:
-- (the iface file is produced incrementally, as we have
-- the information that we need...; we use "iface<blah>")
-- ******* TYPECHECKER
- show_pass "TypeCheck" >>
+ show_pass "TypeCheck" >>
_scc_ "TypeCheck"
- case (case (typecheckModule tc_uniqs {-idinfo_fm-} rn_name_supply rn_mod) of
- Succeeded (stuff, warns)
- -> (emptyBag, warns, stuff)
- Failed (errs, warns)
- -> (errs, warns, error "tc_results"))
-
- of { (tc_errs_bag, tc_warns_bag, tc_results) ->
+ typecheckModule tc_uniqs rn_name_supply rn_mod >>= \ maybe_tc_stuff ->
+ case maybe_tc_stuff of {
+ Nothing -> ghcExit 1; -- Type checker failed
- checkErrors tc_errs_bag tc_warns_bag >>
+ Just (all_binds,
+ local_tycons, local_classes, inst_info,
+ fo_decls,
+ ddump_deriv,
+ global_env,
+ global_ids) ->
- case tc_results
- of { (typechecked_quint@(recsel_binds, class_binds, inst_binds, val_binds, const_binds),
- local_tycons, local_classes, inst_info, pragma_tycon_specs,
- ddump_deriv) ->
-
- doDump opt_D_dump_tc "Typechecked:"
- (pp_show (vcat [
- ppr pprStyle recsel_binds,
- ppr pprStyle class_binds,
- ppr pprStyle inst_binds,
- ppr pprStyle const_binds,
- ppr pprStyle val_binds])) >>
-
- doDump opt_D_dump_deriv "Derived instances:"
- (pp_show (ddump_deriv pprStyle)) >>
-- ******* DESUGARER
- show_pass "DeSugar " >>
+ show_pass "DeSugar" >>
_scc_ "DeSugar"
- let
- (desugared,ds_warnings)
- = deSugar ds_uniqs mod_name typechecked_quint
- in
- (if isEmptyBag ds_warnings then
- return ()
- else
- hPutStr stderr (pp_show (pprDsWarnings pprErrorsStyle ds_warnings))
- >> hPutStr stderr "\n"
- ) >>
-
- doDump opt_D_dump_ds "Desugared:" (pp_show (vcat
- (map (pprCoreBinding pprStyle) desugared)))
- >>
-
- -- ******* CORE-TO-CORE SIMPLIFICATION (NB: I/O op)
+ deSugar ds_uniqs global_env mod_name all_binds fo_decls >>= \ (desugared, h_code, c_code) ->
+
+
+ -- ******* CORE-TO-CORE SIMPLIFICATION
show_pass "Core2Core" >>
_scc_ "Core2Core"
let
local_data_tycons = filter isDataTyCon local_tycons
in
- core2core core_cmds mod_name pprStyle
- sm_uniqs local_data_tycons pragma_tycon_specs desugared
+ core2core core_cmds mod_name
+ sm_uniqs desugared
>>=
+ \ simplified ->
- \ (simplified,
- SpecData _ _ _ gen_tycons all_tycon_specs _ _ _) ->
-
- doDump opt_D_dump_simpl "Simplified:" (pp_show (vcat
- (map (pprCoreBinding pprStyle) simplified)))
- >>
-- ******* STG-TO-STG SIMPLIFICATION
show_pass "Core2Stg" >>
show_pass "Stg2Stg" >>
_scc_ "Stg2Stg"
- stg2stg stg_cmds mod_name pprStyle st_uniqs stg_binds
+ stg2stg stg_cmds mod_name st_uniqs stg_binds
>>=
-
\ (stg_binds2, cost_centre_info) ->
- doDump opt_D_dump_stg "STG syntax:"
- (pp_show (vcat (map (pprPlainStgBinding pprStyle) stg_binds2)))
- >>
+ dumpIfSet opt_D_dump_stg "STG syntax:"
+ (pprStgBindingsWithSRTs stg_binds2) >>
-- Dump instance decls and type signatures into the interface file
let
- final_ids = collectFinalStgBinders stg_binds2
+ final_ids = collectFinalStgBinders (map fst stg_binds2)
in
_scc_ "Interface"
ifaceDecls if_handle local_tycons local_classes inst_info final_ids simplified >>
endIface if_handle >>
-- We are definitely done w/ interface-file stuff at this point:
-- (See comments near call to "startIface".)
-
-- ******* "ABSTRACT", THEN "FLAT", THEN *REAL* C!
show_pass "CodeGen" >>
_scc_ "CodeGen"
let
+ all_local_data_tycons = filter isDataTyCon (map classTyCon local_classes)
+ ++ local_data_tycons
+ -- Generate info tables for the data constrs arising
+ -- from class decls as well
+
+ all_tycon_specs = emptyFM -- Not specialising tycons any more
+
abstractC = codeGen mod_name -- module name for CC labelling
cost_centre_info
imported_modules -- import names for CC registering
- gen_tycons -- type constructors generated locally
+ all_local_data_tycons -- type constructors generated locally
all_tycon_specs -- tycon specialisations
stg_binds2
flat_abstractC = flattenAbsC fl_uniqs abstractC
in
- doDump opt_D_dump_absC "Abstract C:"
- (dumpRealC abstractC) >>
-
- doDump opt_D_dump_flatC "Flat Abstract C:"
- (dumpRealC flat_abstractC) >>
-
+ show_pass "CodeOutput" >>
_scc_ "CodeOutput"
-- You can have C (c_output) or assembly-language (ncg_output),
-- but not both. [Allowing for both gives a space leak on
(False, False) -> (absCNop, absCNop)
(True, True) -> error "ERROR: Can't do both .hc and .s at the same time"
+ -- C stubs for "foreign export"ed functions.
+ stub_c_output_d = pprCode CStyle c_code
+ stub_c_output_w = showSDoc stub_c_output_d
+
+ -- Header file protos for "foreign export"ed functions.
+ stub_h_output_d = pprCode CStyle h_code
+ stub_h_output_w = showSDoc stub_h_output_d
+
c_output_d = dumpRealC flat_absC_c
c_output_w = (\ f -> writeRealC f flat_absC_c)
#endif
in
- doDump opt_D_dump_asm "" ncg_output_d >>
- doOutput opt_ProduceS ncg_output_w >>
+ dumpIfSet opt_D_dump_asm "Asm code" ncg_output_d >>
+ doOutput opt_ProduceS ncg_output_w >>
- doDump opt_D_dump_realC "" c_output_d >>
- doOutput opt_ProduceC c_output_w >>
+ dumpIfSet opt_D_dump_foreign "Foreign export header file" stub_h_output_d >>
+ outputHStub opt_ProduceExportHStubs stub_h_output_w >>
- ghcExit 0
- } } }
- where
- -------------------------------------------------------------
- -- ****** printing styles and column width:
+ dumpIfSet opt_D_dump_foreign "Foreign export stubs" stub_c_output_d >>
+ outputCStub mod_name opt_ProduceExportCStubs stub_c_output_w >>
+ dumpIfSet opt_D_dump_realC "Real C" c_output_d >>
+ doOutput opt_ProduceC c_output_w >>
+ reportCompile (_UNPK_ mod_name) (showSDoc (ppSourceStats True rdr_module)) >>
+
+ ghcExit 0
+ } }
+ where
-------------------------------------------------------------
-- ****** help functions:
doOutput switch io_action
= case switch of
- Nothing -> return ()
+ Nothing -> return ()
Just fname ->
openFile fname WriteMode >>= \ handle ->
io_action handle >>
hClose handle
- doDump switch hdr string
- = if switch
- then hPutStr stderr ("\n\n" ++ (take 80 $ repeat '=')) >>
- hPutStr stderr ('\n': hdr) >>
- hPutStr stderr ('\n': string) >>
- hPutStr stderr "\n"
- else return ()
-
-
-pprCols = (80 :: Int) -- could make configurable
-
-(pprStyle, pprErrorsStyle)
- | opt_PprStyle_All = (PprShowAll, PprShowAll)
- | opt_PprStyle_Debug = (PprDebug, PprDebug)
- | opt_PprStyle_User = (PprQuote, PprQuote)
- | otherwise = (PprDebug, PprQuote)
-
-pp_show p = show p -- ToDo: use pprCols
-
-checkErrors errs_bag warns_bag
- | not (isEmptyBag errs_bag)
- = hPutStr stderr (pp_show (pprBagOfErrors pprErrorsStyle errs_bag))
- >> hPutStr stderr "\n" >>
- hPutStr stderr (pp_show (pprBagOfErrors pprErrorsStyle warns_bag))
- >> hPutStr stderr "\n" >>
- ghcExit 1
-
- | not (isEmptyBag warns_bag)
- = hPutStr stderr (pp_show (pprBagOfErrors pprErrorsStyle warns_bag)) >>
- hPutStr stderr "\n"
-
- | otherwise = return ()
-
+ -- don't use doOutput for dumping the f. export stubs
+ -- since it is more than likely that the stubs file will
+ -- turn out to be empty, in which case no file should be created.
+ outputCStub mod_name switch "" = return ()
+ outputCStub mod_name switch doc_str
+ = case switch of
+ Nothing -> return ()
+ Just fname -> writeFile fname ("#include \"Rts.h\"\n#include \"RtsAPI.h\"\n"++rest)
+ where
+ rest = "#include "++show ((_UNPK_ mod_name) ++ "_stub.h") ++ '\n':doc_str
+
+ outputHStub switch "" = return ()
+ outputHStub switch doc_str
+ = case switch of
+ Nothing -> return ()
+ Just fname -> writeFile fname ("#include \"Rts.h\"\n"++doc_str)
-ppSourceStats (HsModule name version exports imports fixities decls src_loc)
- = vcat (map pp_val
+ppSourceStats short (HsModule name version exports imports fixities decls src_loc)
+ = (if short then hcat else vcat)
+ (map pp_val
[("ExportAll ", export_all), -- 1 if no export list
("ExportDecls ", export_ds),
("ExportModules ", export_ms),
])
where
pp_val (str, 0) = empty
- pp_val (str, n) = hcat [text str, int n]
+ pp_val (str, n)
+ | not short = hcat [text str, int n]
+ | otherwise = hcat [text (trim str), equals, int n, semi]
+
+ trim ls = takeWhile (not.isSpace) (dropWhile isSpace ls)
fixity_ds = length fixities
type_decls = [d | TyD d@(TySynonym _ _ _ _) <- decls]
sig_info (InlineSig _ _) = (0,0,0,1)
sig_info _ = (0,0,0,0)
- import_info (ImportDecl _ qual as spec _)
+ import_info (ImportDecl _ qual _ as spec _)
= add6 (1, qual_info qual, as_info as, 0,0,0) (spec_info spec)
qual_info False = 0
qual_info True = 1
data_info (TyData _ _ _ _ constrs derivs _ _)
= (length constrs, case derivs of {Nothing -> 0; Just ds -> length ds})
- class_info (ClassDecl _ _ _ meth_sigs def_meths _ _)
+ class_info (ClassDecl _ _ _ meth_sigs def_meths _ _ _ _)
= case count_sigs meth_sigs of
(_,classops,_,_) ->
(classops, addpr (count_monobinds def_meths))
add5 (x1,x2,x3,x4,x5) (y1,y2,y3,y4,y5) = (x1+y1,x2+y2,x3+y3,x4+y4,x5+y5)
add6 (x1,x2,x3,x4,x5,x6) (y1,y2,y3,y4,y5,y6) = (x1+y1,x2+y2,x3+y3,x4+y4,x5+y5,x6+y6)
\end{code}
+
+\begin{code}
+compiler_version :: String
+compiler_version =
+ case (show opt_HiVersion) of
+ [x] -> ['0','.',x]
+ ls@[x,y] -> "0." ++ ls
+ ls -> go ls
+ where
+ -- 10232353 => 10232.53
+ go ls@[x,y] = '.':ls
+ go (x:xs) = x:go xs
+
+\end{code}
+
+\begin{code}
+reportCompile :: String -> String -> IO ()
+#if REPORT_TO_MOTHERLODE && __GLASGOW_HASKELL__ >= 303
+reportCompile mod_name info
+ | not opt_ReportCompile = return ()
+ | otherwise = (do
+ sock <- udpSocket 0
+ addr <- motherShip
+ sendTo sock (mod_name++ ';': compiler_version ++ ';': os ++ ';':arch ++ '\n':' ':info ++ "\n") addr
+ return ()) `catch` (\ _ -> return ())
+
+motherShip :: IO SockAddr
+motherShip = do
+ he <- getHostByName "laysan.dcs.gla.ac.uk"
+ case (hostAddresses he) of
+ [] -> fail (userError "No address!")
+ (x:_) -> return (SockAddrInet motherShipPort x)
+
+--magick
+motherShipPort :: PortNumber
+motherShipPort = mkPortNumber 12345
+
+-- creates a socket capable of sending datagrams,
+-- binding it to a port
+-- ( 0 => have the system pick next available port no.)
+udpSocket :: Int -> IO Socket
+udpSocket p = do
+ pr <- getProtocolNumber "udp"
+ s <- socket AF_INET Datagram pr
+ bindSocket s (SockAddrInet (mkPortNumber p) iNADDR_ANY)
+ return s
+#else
+reportCompile _ _ = return ()
+#endif
+
+\end{code}
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