%
-% (c) The GRASP/AQUA Project, Glasgow University, 1993-1995
+% (c) The GRASP/AQUA Project, Glasgow University, 1993-1996
%
\section[GHC_Main]{Main driver for Glasgow Haskell compiler}
\begin{code}
#include "HsVersions.h"
-module Main (
-#ifdef __GLASGOW_HASKELL__
- mainPrimIO
-#else
- main
-#endif
- ) where
+module Main ( main ) where
-import MainMonad
-import CmdLineOpts
+IMP_Ubiq(){-uitous-}
+IMPORT_1_3(IO(hGetContents,stdin,stderr,hPutStr,hClose,openFile,IOMode(..)))
-import AbsCSyn
-import AbsPrel ( builtinNameInfo )
-import AbsSyn
-import AbsUniType ( isDataTyCon, TauType(..), UniType, TyVar, TyCon, Class )
-import Bag ( emptyBag, isEmptyBag, Bag )
-import CE ( CE(..), UniqFM )
-import CodeGen ( codeGen )
-import CoreToStg ( topCoreBindsToStg )
-import Desugar ( deSugar )
-import DsMonad ( DsMatchContext, DsMatchKind, pprDsWarnings )
-import E ( getE_TCE, E, GVE(..) )
- -- most of above needed by mkInterface
-#ifndef DPH
-import Errors ( pprBagOfErrors, Error(..) )
-#else
-import Errors ( pprBagOfErrors, pprPodizedWarning, Error(..) )
-#endif {- Data Parallel Haskell -}
-import Id ( mkInstId, Id, Inst )
-import Maybes ( maybeToBool, Maybe(..), MaybeErr(..) )
-import MkIface ( mkInterface )
-import Outputable
-import PlainCore ( CoreExpr, CoreBinding, pprPlainCoreBinding,
- PlainCoreProgram(..), PlainCoreBinding(..)
- )
-import Pretty
+import HsSyn
+import RdrHsSyn ( RdrName )
-#ifdef USE_NEW_READER
-import ReadPrefix2 ( rdModule )
-#else
-import {-hide from mkdependHS-}
- ReadPrefix ( rdModule )
+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 Rename -- renameModule ...
-import SimplCore -- core2core
-import SimplStg ( stg2stg )
---ANDY: import SimplHaskell
-import StgSyn ( pprPlainStgBinding, StgBinding, StgRhs, CostCentre,
- StgBinderInfo, PlainStgProgram(..), PlainStgBinding(..)
- )
-import TCE ( rngTCE, {- UNUSED: printTypeInfoForPop,-} TCE(..)
- IF_ATTACK_PRAGMAS(COMMA eltsUFM)
)
-import Typecheck -- typecheckModule ...
-import SplitUniq
-import Unique -- lots of UniqueSupplies, etc.
-import Util
-
+import SimplCore ( core2core )
+import CoreToStg ( topCoreBindsToStg )
+import StgSyn ( collectFinalStgBinders )
+import SimplStg ( stg2stg )
+import CodeGen ( codeGen )
#if ! OMIT_NATIVE_CODEGEN
-import AsmCodeGen ( dumpRealAsm
-# if __GLASGOW_HASKELL__
- , writeRealAsm
-# endif
- )
+import AsmCodeGen ( dumpRealAsm, writeRealAsm )
#endif
-#ifdef USE_SEMANTIQUE_STRANAL
-import ProgEnv ( ProgEnv(..), TreeProgEnv(..), createProgEnv )
-import StrAnal ( ppShowStrAnal, OAT )
-#endif
-#ifdef DPH
-import PodizeCore ( podizeCore , PodWarning)
-import AbsCTopApal ( nuAbsCToApal )
-import NextUsed ( pprTopNextUsedC, getTopLevelNexts, AbsCNextUsed,
- TopAbsCNextUsed(..) , MagicId)
+import AbsCSyn ( absCNop, AbstractC )
+import AbsCUtils ( flattenAbsC )
+import CoreUnfold ( Unfolding )
+import Bag ( emptyBag, isEmptyBag )
+import CmdLineOpts
+import ErrUtils ( pprBagOfErrors, ghcExit )
+import Maybes ( maybeToBool, MaybeErr(..) )
+import Specialise ( SpecialiseData(..) )
+import StgSyn ( pprPlainStgBinding, GenStgBinding )
+import TcInstUtil ( InstInfo )
+import TyCon ( isDataTyCon )
+import UniqSupply ( mkSplitUniqSupply )
+
+import PprAbsC ( dumpRealC, writeRealC )
+import PprCore ( pprCoreBinding )
+import PprStyle ( PprStyle(..) )
+import Pretty
-#endif {- Data Parallel Haskell -}
+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(..) )
+#endif
\end{code}
\begin{code}
-#ifndef __GLASGOW_HASKELL__
-main :: Dialogue
-
-main = mainIOtoDialogue main_io
-
-main_io :: MainIO ()
-main_io
-#else
-mainPrimIO
-#endif
- = BSCC("mainIO")
- BSCC("rdInput") readMn stdin ESCC `thenMn` \ input_pgm ->
- getArgsMn `thenMn` \ raw_cmd_line ->
- classifyOpts raw_cmd_line `thenMn` \ cmd_line_info ->
- BSCC("doPasses")
- doIt cmd_line_info input_pgm
- ESCC ESCC
+main =
+ _scc_ "main"
+ hGetContents stdin >>= \ input_pgm ->
+ let
+ cmd_line_info = classifyOpts
+ in
+ doIt cmd_line_info input_pgm
\end{code}
\begin{code}
-doIt :: CmdLineInfo -> String -> MainIO ()
-#ifndef DPH
-doIt (switch_lookup_fn, core_cmds, stg_cmds) input_pgm
-#else
-doIt (switch_lookup_fn, core_cmds, podize_cmds, pcore_cmds, stg_cmds) input_pgm
-#endif {- Data Parallel Haskell -}
- --
- -- Help functions and boring global variables (e.g., printing style)
- -- are figured out first; the "business end" follows, in the
- -- body of the let.
- --
- = let
- -- ****** help functions:
-
- switch_is_on switch = switchIsOn switch_lookup_fn switch
-
- string_switch_is_on switch
- = maybeToBool (stringSwitchSet switch_lookup_fn switch)
-
- show_pass
- = if switch_is_on D_show_passes
- then \ what -> writeMn stderr ("*** "++what++":\n")
- else \ what -> returnMn ()
-
- doOutput switch io_action
- = BSCC("doOutput")
- case (stringSwitchSet switch_lookup_fn switch) of
- Nothing -> returnMn ()
- Just fname ->
- fopen fname "a+" `thenMn` \ file ->
- if (file == ``NULL'') then
- error ("doOutput: failed to open:"++fname)
- else
- io_action file `thenMn` \ () ->
- fclose file `thenMn` \ status ->
- if status == 0
- then returnMn ()
- else error ("doOutput: closed failed: "{-++show status++" "-}++fname)
- ESCC
-
- doDump switch hdr string
- = BSCC("doDump")
- if (switch_is_on switch)
- then writeMn stderr hdr `thenMn_`
- writeMn stderr ('\n': string) `thenMn_`
- writeMn stderr "\n"
- else returnMn ()
- ESCC
-
- -- ****** printing styles and column width:
-
- pprCols = (80 :: Int) -- could make configurable
-
- (pprStyle, pprErrorsStyle)
- = if switch_is_on PprStyle_All then
- (PprShowAll, PprShowAll)
- else if switch_is_on PprStyle_Debug then
- (PprDebug, PprDebug)
- else if switch_is_on PprStyle_User then
- (PprForUser, PprForUser)
- else -- defaults...
- (PprDebug, PprForUser)
-
- pp_show p = ppShow {-WAS:pprCols-}10000{-random-} p
- in
- -- non-tuple-ish bindings...
-
- -- ****** possibly fiddle builtin namespaces:
-
- BIND (BSCC("builtinEnv")
- builtinNameInfo switch_is_on {-switch looker-upper-}
- ESCC
- )
- _TO_ (init_val_lookup_fn, init_tc_lookup_fn) ->
-
- -- **********************************************
- -- Welcome to the business end of the main module
- -- of the Glorious Glasgow Haskell compiler!
- -- **********************************************
-#ifndef DPH
- doDump Verbose "Glasgow Haskell Compiler, version 0.27" "" `thenMn_`
-#else
- doDump Verbose "Data Parallel Haskell Compiler, version 0.06 (Glasgow 0.27)" ""
- `thenMn_`
-#endif {- Data Parallel Haskell -}
+doIt :: ([CoreToDo], [StgToDo]) -> String -> IO ()
+
+doIt (core_cmds, stg_cmds) input_pgm
+ = doDump opt_Verbose "Glasgow Haskell Compiler, version 2.03, for Haskell 1.4" "" >>
-- ******* READER
- show_pass "Read" `thenMn_`
-#ifdef USE_NEW_READER
- BSCC("rdModule")
- rdModule
- ESCC
- `thenMn` \ (mod_name, export_list_fns, absyn_tree) ->
-
- BIND (\x -> x) _TO_ bar_foo ->
- -- so BINDs and BENDs add up...
-#else
- BIND BSCC("rdModule")
- rdModule input_pgm
- ESCC
- _TO_ (mod_name, export_list_fns, absyn_tree) ->
-#endif
- let
- -- reader things used (much?) later
- ds_mod_name = mod_name
- if_mod_name = mod_name
- co_mod_name = mod_name
- st_mod_name = mod_name
- cc_mod_name = mod_name
- -- also: export_list_fns
- in
- doDump D_source_stats "\nSource Statistics:"
- (pp_show (ppSourceStats absyn_tree)) `thenMn_`
-
- doDump D_dump_rif2hs "Parsed, Haskellised:"
- (pp_show (ppr pprStyle absyn_tree)) `thenMn_`
-
- -- UniqueSupplies for later use
- getSplitUniqSupplyMn 'r' `thenMn` \ rn_uniqs -> -- renamer
- getSplitUniqSupplyMn 't' `thenMn` \ tc_uniqs -> -- typechecker
- getSplitUniqSupplyMn 'd' `thenMn` \ ds_uniqs -> -- desugarer
- getSplitUniqSupplyMn 's' `thenMn` \ sm_uniqs -> -- core-to-core simplifier
- getSplitUniqSupplyMn 'C' `thenMn` \ c2s_uniqs -> -- core-to-stg
- getSplitUniqSupplyMn 'T' `thenMn` \ st_uniqs -> -- stg-to-stg passes
- getSplitUniqSupplyMn 'F' `thenMn` \ fl_uniqs -> -- absC flattener
- getSplitUniqSupplyMn 'P' `thenMn` \ prof_uniqs -> -- profiling tidy-upper
- getSplitUniqSupplyMn 'L' `thenMn` \ pre_ncg_uniqs -> -- native-code generator
- let
- ncg_uniqs = {-mkUniqueSupplyGrimily-} pre_ncg_uniqs
- in
+ show_pass "Reader" >>
+ _scc_ "Reader"
+ rdModule >>= \ (mod_name, rdr_module) ->
+
+ doDump opt_D_dump_rdr "Reader:"
+ (pp_show (ppr pprStyle rdr_module)) >>
+
+ doDump opt_D_source_stats "\nSource Statistics:"
+ (pp_show (ppSourceStats rdr_module)) >>
+
+ -- UniqueSupplies for later use (these are the only lower case uniques)
+ _scc_ "spl-rn"
+ mkSplitUniqSupply 'r' >>= \ rn_uniqs -> -- renamer
+ _scc_ "spl-tc"
+ mkSplitUniqSupply 'a' >>= \ tc_uniqs -> -- typechecker
+ _scc_ "spl-ds"
+ mkSplitUniqSupply 'd' >>= \ ds_uniqs -> -- desugarer
+ _scc_ "spl-sm"
+ mkSplitUniqSupply 's' >>= \ sm_uniqs -> -- core-to-core simplifier
+ _scc_ "spl-c2s"
+ mkSplitUniqSupply 'c' >>= \ c2s_uniqs -> -- core-to-stg
+ _scc_ "spl-st"
+ mkSplitUniqSupply 'g' >>= \ st_uniqs -> -- stg-to-stg passes
+ _scc_ "spl-absc"
+ mkSplitUniqSupply 'f' >>= \ fl_uniqs -> -- absC flattener
+ _scc_ "spl-ncg"
+ mkSplitUniqSupply 'n' >>= \ ncg_uniqs -> -- native-code generator
+
-- ******* RENAMER
- show_pass "Rename" `thenMn_`
- BIND BSCC("Renamer")
- renameModule switch_is_on
- (init_val_lookup_fn, init_tc_lookup_fn)
- absyn_tree
- rn_uniqs
- ESCC
- _TO_ (mod4, import_names, final_name_funs, rn_errs_bag) ->
- let
- -- renamer things used (much?) later
- cc_import_names = import_names
- in
+ show_pass "Renamer" >>
+ _scc_ "Renamer"
- doDump D_dump_rn4 "Renamer-pass4:"
- (pp_show (ppr pprStyle mod4)) `thenMn_`
+ renameModule rn_uniqs rdr_module >>=
+ \ (maybe_rn_stuff, rn_errs_bag, rn_warns_bag) ->
- if (not (isEmptyBag rn_errs_bag)) then
- -- Stop right here
- writeMn stderr (ppShow pprCols (pprBagOfErrors pprErrorsStyle rn_errs_bag))
- `thenMn_` writeMn stderr "\n"
- `thenMn_` exitMn 1
+ checkErrors rn_errs_bag rn_warns_bag >>
+ 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
+ Just (rn_mod, iface_file_stuff, rn_name_supply, imported_modules) ->
+
+
+
+ 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>")
+ -- "endIface" finishes the job.
+ startIface mod_name >>= \ if_handle ->
+ ifaceMain if_handle iface_file_stuff >>
- else -- No renaming errors, carry on with...
-- ******* TYPECHECKER
- show_pass "TypeCheck" `thenMn_`
- BIND (case BSCC("TypeChecker")
- typecheckModule switch_is_on tc_uniqs final_name_funs mod4
- ESCC
- of
- Succeeded stuff
- -> (emptyBag, stuff)
- Failed tc_errs_bag
- -> (tc_errs_bag,
- panic "main: tickled tc_results even though there were errors"))
-
- _TO_ (tc_errs_bag, tc_results) ->
+ 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) ->
+
+ checkErrors tc_errs_bag tc_warns_bag >>
+
+ 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)) >>
- let
- ppr_b :: (Inst, TypecheckedExpr) -> Pretty
- ppr_b (i,e) = ppr pprStyle (VarMonoBind (mkInstId i) e)
- in
- if (not (isEmptyBag tc_errs_bag)) then
- -- Must stop *before* trying to dump tc output, because
- -- if it fails it does not give you any useful stuff back!
- writeMn stderr (ppShow pprCols (pprBagOfErrors pprErrorsStyle tc_errs_bag))
- `thenMn_` writeMn stderr "\n"
- `thenMn_` exitMn 1
-
- else ( -- No typechecking errors either -- so, go for broke!
-
- BIND tc_results
- _TO_ (typechecked_quad@(class_binds, inst_binds, val_binds, const_binds),
- interface_stuff@(_,_,_,_,_), -- @-pat just for strictness...
- pragma_tycon_specs, {-UNUSED:big_env,-} this_mod_env, ddump_deriv) ->
- let
--- big_tce = getE_TCE big_env
--- big_elts = rngTCE big_tce
-
- this_mod_tce = getE_TCE this_mod_env
- this_mod_elts = rngTCE this_mod_tce
-
- local_tycons = [tc | tc <- this_mod_elts,
- isLocallyDefined tc, -- from this module only
- isDataTyCon tc ] -- algebraic types only
- in
--- pprTrace "Envs:" (ppAboves [
--- ppr pprStyle if_global_ids,
--- ppr pprStyle if_tce,
--- ppr pprStyle if_ce,
--- ppr pprStyle this_mod_env,
--- ppr pprStyle big_env
--- ]) (
-
- doDump D_dump_tc "Typechecked:"
- (pp_show
- (ppAboves [ppr pprStyle class_binds,
- ppr pprStyle inst_binds,
- ppAboves (map ppr_b const_binds),
- ppr pprStyle val_binds])) `thenMn_`
-
- doDump D_dump_deriv "Derived instances:"
- (pp_show (ddump_deriv pprStyle)) `thenMn_`
-
---NOT REALLY USED:
--- doDump D_dump_type_info "" (pp_show (printTypeInfoForPop big_tce)) `thenMn_`
-- ******* DESUGARER
- show_pass "DeSugar" `thenMn_`
+ show_pass "DeSugar " >>
+ _scc_ "DeSugar"
let
(desugared,ds_warnings)
- = BSCC("DeSugarer")
- deSugar ds_uniqs switch_lookup_fn ds_mod_name typechecked_quad
- ESCC
+ = deSugar ds_uniqs mod_name typechecked_quint
in
(if isEmptyBag ds_warnings then
- returnMn ()
+ return ()
else
- writeMn stderr (ppShow pprCols (pprDsWarnings pprErrorsStyle ds_warnings))
- `thenMn_` writeMn stderr "\n"
- ) `thenMn_`
+ hPutStr stderr (pp_show (pprDsWarnings pprErrorsStyle ds_warnings))
+ >> hPutStr stderr "\n"
+ ) >>
- doDump D_dump_ds "Desugared:" (pp_show (ppAboves
- (map (pprPlainCoreBinding pprStyle) desugared))) `thenMn_`
+ doDump opt_D_dump_ds "Desugared:" (pp_show (vcat
+ (map (pprCoreBinding pprStyle) desugared)))
+ >>
-- ******* CORE-TO-CORE SIMPLIFICATION (NB: I/O op)
- core2core core_cmds switch_lookup_fn co_mod_name pprStyle
- sm_uniqs local_tycons pragma_tycon_specs desugared
- `thenMn` \ (simplified, inlinings_env,
- SpecData _ _ _ gen_tycons all_tycon_specs _ _ _) ->
-
- doDump D_dump_simpl "Simplified:" (pp_show (ppAboves
- (map (pprPlainCoreBinding pprStyle) simplified))) `thenMn_`
-
--- ANDY:
--- doDump D_dump_core_passes_info "(Haskell) Simplified:"
--- (coreToHaskell simplified) `thenMn_`
-
-#ifdef DPH
- -- ******* PODIZE (VECTORIZE) THE CORE PROGRAM
+ show_pass "Core2Core" >>
+ _scc_ "Core2Core"
let
- (warn,podized) = BSCC("PodizeCore")
- podizeCore podize_cmds switch_is_on
- uniqSupply_p simplified
- ESCC
- in
- (if (not (null warn))
- then writeMn stderr "\n" `thenMn_`
- writeMn stderr (ppShow pprCols (ppAboves
- (map (\w -> pprPodizedWarning w pprErrorsStyle) warn))) `thenMn_`
- writeMn stderr "\n"
- else returnMn ()) `thenMn_`
-
- doDump D_dump_pod "Podization:" (pp_show (ppAboves
- (map (pprPlainCoreBinding pprStyle) podized))) `thenMn_`
-
- -- ******** CORE-TO-CORE SIMPLIFICATION OF PODIZED PROGRAM
- let
- psimplified = BSCC("PodizeCore2Core")
- core2core pcore_cmds switch_is_on pprStyle
- uniqSupply_S podized
- ESCC
+ local_data_tycons = filter isDataTyCon local_tycons
in
- doDump D_dump_psimpl "Par Simplified:" (pp_show (ppAboves
- (map (pprPlainCoreBinding pprStyle) psimplified))) `thenMn_`
+ core2core core_cmds mod_name pprStyle
+ sm_uniqs local_data_tycons pragma_tycon_specs desugared
+ >>=
-#endif {- Data Parallel Haskell -}
+ \ (simplified,
+ SpecData _ _ _ gen_tycons all_tycon_specs _ _ _) ->
-#ifdef USE_SEMANTIQUE_STRANAL
- -- ******* SEMANTIQUE STRICTNESS ANALYSER
- doDump D_dump_stranal_sem "Strictness:" (ppShowStrAnal simplified big_env) `thenMn_`
-#endif
+ doDump opt_D_dump_simpl "Simplified:" (pp_show (vcat
+ (map (pprCoreBinding pprStyle) simplified)))
+ >>
-- ******* STG-TO-STG SIMPLIFICATION
- show_pass "Core2Stg" `thenMn_`
+ show_pass "Core2Stg" >>
+ _scc_ "Core2Stg"
let
-#ifndef DPH
- stg_binds = BSCC("Core2Stg")
- topCoreBindsToStg c2s_uniqs simplified
- ESCC
-#else
- stg_binds = BSCC("Core2Stg")
- topCoreBindsToStg c2s_uniqs psimplified
- ESCC
-#endif {- Data Parallel Haskell -}
+ stg_binds = topCoreBindsToStg c2s_uniqs simplified
in
- show_pass "Stg2Stg" `thenMn_`
- stg2stg stg_cmds switch_lookup_fn st_mod_name pprStyle st_uniqs stg_binds
- `thenMn` \ (stg_binds2, cost_centre_info) ->
-
- doDump D_dump_stg "STG syntax:" (pp_show (ppAboves
- (map (pprPlainStgBinding pprStyle) stg_binds2))) `thenMn_`
-
- -- ******* INTERFACE GENERATION (needs STG output)
-{- let
- mod_name = "_TestName_"
- export_list_fns = (\ x -> False, \ x -> False)
- inlinings_env = nullIdEnv
- fixities = []
- if_global_ids = []
- if_ce = nullCE
- if_tce = nullTCE
- if_inst_info = emptyBag
- in
--}
- show_pass "Interface" `thenMn_`
+
+ show_pass "Stg2Stg" >>
+ _scc_ "Stg2Stg"
+ stg2stg stg_cmds mod_name pprStyle st_uniqs stg_binds
+ >>=
+
+ \ (stg_binds2, cost_centre_info) ->
+
+ doDump opt_D_dump_stg "STG syntax:"
+ (pp_show (vcat (map (pprPlainStgBinding pprStyle) stg_binds2)))
+ >>
+
+ -- Dump instance decls and type signatures into the interface file
let
- mod_interface
- = BSCC("MkInterface")
- mkInterface switch_is_on if_mod_name export_list_fns
- inlinings_env all_tycon_specs
- interface_stuff
- stg_binds2
- ESCC
+ final_ids = collectFinalStgBinders stg_binds2
in
- doOutput ProduceHi BSCC("PrintInterface")
- ( \ file ->
- ppAppendFile file 1000{-pprCols-} mod_interface )
- ESCC `thenMn_`
+ _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" `thenMn_`
+ show_pass "CodeGen" >>
+ _scc_ "CodeGen"
let
- abstractC = BSCC("CodeGen")
- codeGen cc_mod_name -- module name for CC labelling
+ abstractC = codeGen mod_name -- module name for CC labelling
cost_centre_info
- cc_import_names -- import names for CC registering
- switch_lookup_fn
- gen_tycons -- type constructors generated locally
- all_tycon_specs -- tycon specialisations
+ imported_modules -- import names for CC registering
+ gen_tycons -- type constructors generated locally
+ all_tycon_specs -- tycon specialisations
stg_binds2
- ESCC
- flat_abstractC = BSCC("FlattenAbsC")
- flattenAbsC fl_uniqs abstractC
- ESCC
+ flat_abstractC = flattenAbsC fl_uniqs abstractC
in
- doDump D_dump_absC "Abstract C:" (dumpRealC switch_is_on abstractC) `thenMn_`
+ doDump opt_D_dump_absC "Abstract C:"
+ (dumpRealC abstractC) >>
- doDump D_dump_flatC "Flat Abstract C:" (dumpRealC switch_is_on flat_abstractC) `thenMn_`
+ doDump opt_D_dump_flatC "Flat Abstract C:"
+ (dumpRealC flat_abstractC) >>
+ _scc_ "CodeOutput"
-- You can have C (c_output) or assembly-language (ncg_output),
-- but not both. [Allowing for both gives a space leak on
-- flat_abstractC. WDP 94/10]
let
(flat_absC_c, flat_absC_ncg) =
- case (string_switch_is_on ProduceC || switch_is_on D_dump_realC,
- string_switch_is_on ProduceS || switch_is_on D_dump_asm) of
- (True, False) -> (flat_abstractC, AbsCNop)
- (False, True) -> (AbsCNop, flat_abstractC)
- (False, False) -> (AbsCNop, AbsCNop)
+ case (maybeToBool opt_ProduceC || opt_D_dump_realC,
+ maybeToBool opt_ProduceS || opt_D_dump_asm) of
+ (True, False) -> (flat_abstractC, absCNop)
+ (False, True) -> (absCNop, flat_abstractC)
+ (False, False) -> (absCNop, absCNop)
(True, True) -> error "ERROR: Can't do both .hc and .s at the same time"
- c_output_d = BSCC("PrintRealC")
- dumpRealC switch_is_on flat_absC_c
- ESCC
-
-#ifdef __GLASGOW_HASKELL__
- c_output_w = BSCC("PrintRealC")
- (\ f -> writeRealC switch_is_on f flat_absC_c)
- ESCC
-#else
- c_output_w = c_output_d
-#endif
+ c_output_d = dumpRealC flat_absC_c
+ c_output_w = (\ f -> writeRealC f flat_absC_c)
#if OMIT_NATIVE_CODEGEN
- ncg_output_d
- = error "*** GHC not built with a native-code generator ***"
+ ncg_output_d = error "*** GHC not built with a native-code generator ***"
ncg_output_w = ncg_output_d
#else
- ncg_output_d = BSCC("nativeCode")
- dumpRealAsm switch_lookup_fn flat_absC_ncg ncg_uniqs
- ESCC
-
-#ifdef __GLASGOW_HASKELL__
- ncg_output_w = BSCC("nativeCode")
- (\ f -> writeRealAsm switch_lookup_fn f flat_absC_ncg ncg_uniqs)
- ESCC
-#else
- ncg_output_w = ncg_output_d
-#endif
+ ncg_output_d = dumpRealAsm flat_absC_ncg ncg_uniqs
+ ncg_output_w = (\ f -> writeRealAsm f flat_absC_ncg ncg_uniqs)
#endif
in
- doDump D_dump_asm "" ncg_output_d `thenMn_`
- doOutput ProduceS ncg_output_w `thenMn_`
-#ifndef DPH
- -- ********* GHC Finished !!!!
- doDump D_dump_realC "" c_output_d `thenMn_`
- doOutput ProduceC c_output_w `thenMn_`
+ doDump opt_D_dump_asm "" ncg_output_d >>
+ doOutput opt_ProduceS ncg_output_w >>
-#else
- -- ********* DPH needs native code generator, nearly finished.....
- let
- next_used_flatC = getTopLevelNexts flat_abstractC []
- apal_module = nuAbsCToApal uniqSupply_L mod_name next_used_flatC
- in
- doDump D_dump_nextC "Next Used annotated C:" (ppShow pprCols
- (pprTopNextUsedC next_used_flatC)) `thenMn_`
- doOutput ProduceC ("! /* DAP assembler (APAL): */\n"++apal_module) `thenMn_`
+ doDump opt_D_dump_realC "" c_output_d >>
+ doOutput opt_ProduceC c_output_w >>
-#endif {- Data Parallel Haskell -}
- exitMn 0
- {-)-} BEND ) BEND BEND BEND BEND
+ ghcExit 0
+ } } }
+ where
+ -------------------------------------------------------------
+ -- ****** printing styles and column width:
+
+
+ -------------------------------------------------------------
+ -- ****** help functions:
+
+ show_pass
+ = if opt_D_show_passes
+ then \ what -> hPutStr stderr ("*** "++what++":\n")
+ else \ what -> return ()
+
+ doOutput switch io_action
+ = case switch of
+ 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 ()
-ppSourceStats (Module name exports imports fixities typedecls typesigs
- classdecls instdecls instsigs defdecls binds
- [{-no sigs-}] src_loc)
- = ppAboves (map pp_val
+ppSourceStats (HsModule name version exports imports fixities decls src_loc)
+ = vcat (map pp_val
[("ExportAll ", export_all), -- 1 if no export list
("ExportDecls ", export_ds),
("ExportModules ", export_ms),
- ("ImportAll ", import_all),
- ("ImportPartial ", import_partial),
- (" PartialDecls ", partial_decls),
- ("ImportHiding ", import_hiding),
- (" HidingDecls ", hiding_decls),
+ ("Imports ", import_no),
+ (" ImpQual ", import_qual),
+ (" ImpAs ", import_as),
+ (" ImpAll ", import_all),
+ (" ImpPartial ", import_partial),
+ (" ImpHiding ", import_hiding),
("FixityDecls ", fixity_ds),
- ("DefaultDecls ", defalut_ds),
+ ("DefaultDecls ", default_ds),
("TypeDecls ", type_ds),
("DataDecls ", data_ds),
+ ("NewTypeDecls ", newt_ds),
("DataConstrs ", data_constrs),
("DataDerivings ", data_derivs),
("ClassDecls ", class_ds),
("FunBinds ", fn_bind_ds),
("InlineMeths ", method_inlines),
("InlineBinds ", bind_inlines),
- ("SpecialisedData ", data_specs),
- ("SpecialisedInsts ", inst_specs),
+-- ("SpecialisedData ", data_specs),
+-- ("SpecialisedInsts ", inst_specs),
("SpecialisedMeths ", method_specs),
("SpecialisedBinds ", bind_specs)
])
where
- pp_val (str, 0) = ppNil
- pp_val (str, n) = ppBesides [ppStr str, ppInt n]
-
- (export_decls, export_mods) = getRawIEStrings exports
- type_decls = filter is_type_decl typedecls
- data_decls = filter is_data_decl typedecls
-
- export_ds = length export_decls
- export_ms = length export_mods
- export_all = if export_ds == 0 && export_ms == 0 then 1 else 0
-
- fixity_ds = length fixities
- defalut_ds = length defdecls
- type_ds = length type_decls
- data_ds = length data_decls
- class_ds = length classdecls
- inst_ds = length instdecls
+ pp_val (str, 0) = empty
+ pp_val (str, n) = hcat [text str, int n]
+
+ fixity_ds = length fixities
+ type_decls = [d | TyD d@(TySynonym _ _ _ _) <- decls]
+ data_decls = [d | TyD d@(TyData DataType _ _ _ _ _ _ _) <- decls]
+ newt_decls = [d | TyD d@(TyData NewType _ _ _ _ _ _ _) <- decls]
+ type_ds = length type_decls
+ data_ds = length data_decls
+ newt_ds = length newt_decls
+ class_decls = [d | ClD d <- decls]
+ class_ds = length class_decls
+ inst_decls = [d | InstD d <- decls]
+ inst_ds = length inst_decls
+ default_ds = length [() | DefD _ <- decls]
+ val_decls = [d | ValD d <- decls]
+
+ real_exports = case exports of { Nothing -> []; Just es -> es }
+ n_exports = length real_exports
+ export_ms = length [() | IEModuleContents _ <- real_exports]
+ export_ds = n_exports - export_ms
+ export_all = case exports of { Nothing -> 1; other -> 0 }
(val_bind_ds, fn_bind_ds, bind_tys, bind_specs, bind_inlines)
- = count_binds binds
+ = count_binds (foldr ThenBinds EmptyBinds val_decls)
- (import_all, import_partial, partial_decls, import_hiding, hiding_decls)
- = foldr add5 (0,0,0,0,0) (map import_info imports)
+ (import_no, import_qual, import_as, import_all, import_partial, import_hiding)
+ = foldr add6 (0,0,0,0,0,0) (map import_info imports)
(data_constrs, data_derivs)
- = foldr add2 (0,0) (map data_info data_decls)
+ = foldr add2 (0,0) (map data_info (newt_decls ++ data_decls))
(class_method_ds, default_method_ds)
- = foldr add2 (0,0) (map class_info classdecls)
+ = foldr add2 (0,0) (map class_info class_decls)
(inst_method_ds, method_specs, method_inlines)
- = foldr add3 (0,0,0) (map inst_info instdecls)
-
- data_specs = length (filter is_data_spec_sig typesigs)
- inst_specs = length (filter is_inst_spec_sig instsigs)
+ = foldr add3 (0,0,0) (map inst_info inst_decls)
count_binds EmptyBinds = (0,0,0,0,0)
count_binds (ThenBinds b1 b2) = count_binds b1 `add5` count_binds b2
- count_binds (SingleBind b) = case count_bind b of
- (vs,fs) -> (vs,fs,0,0,0)
- count_binds (BindWith b sigs) = case (count_bind b, count_sigs sigs) of
- ((vs,fs),(ts,_,ss,is)) -> (vs,fs,ts,ss,is)
+ count_binds (MonoBind b sigs _) = case (count_monobinds b, count_sigs sigs) of
+ ((vs,fs),(ts,_,ss,is)) -> (vs,fs,ts,ss,is)
- count_bind EmptyBind = (0,0)
- count_bind (NonRecBind b) = count_monobinds b
- count_bind (RecBind b) = count_monobinds b
-
- count_monobinds EmptyMonoBinds = (0,0)
- count_monobinds (AndMonoBinds b1 b2) = count_monobinds b1 `add2` count_monobinds b2
+ count_monobinds EmptyMonoBinds = (0,0)
+ count_monobinds (AndMonoBinds b1 b2) = count_monobinds b1 `add2` count_monobinds b2
count_monobinds (PatMonoBind (VarPatIn n) r _) = (1,0)
- count_monobinds (PatMonoBind p r _) = (0,1)
- count_monobinds (FunMonoBind f m _) = (0,1)
+ count_monobinds (PatMonoBind p r _) = (0,1)
+ count_monobinds (FunMonoBind f _ m _) = (0,1)
count_sigs sigs = foldr add4 (0,0,0,0) (map sig_info sigs)
- sig_info (Sig _ _ _ _) = (1,0,0,0)
+ sig_info (Sig _ _ _) = (1,0,0,0)
sig_info (ClassOpSig _ _ _ _) = (0,1,0,0)
sig_info (SpecSig _ _ _ _) = (0,0,1,0)
- sig_info (InlineSig _ _ _) = (0,0,0,1)
+ sig_info (InlineSig _ _) = (0,0,0,1)
sig_info _ = (0,0,0,0)
- import_info (ImportAll _ _) = (1,0,0,0,0)
- import_info (ImportSome _ ds _) = (0,1,length ds,0,0)
- import_info (ImportButHide _ ds _) = (0,0,0,1,length ds)
+ 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
+ as_info Nothing = 0
+ as_info (Just _) = 1
+ spec_info Nothing = (0,0,0,1,0,0)
+ spec_info (Just (False, _)) = (0,0,0,0,1,0)
+ spec_info (Just (True, _)) = (0,0,0,0,0,1)
- data_info (TyData _ _ _ constrs derivs _ _)
- = (length constrs, length derivs)
+ data_info (TyData _ _ _ _ constrs derivs _ _)
+ = (length constrs, case derivs of {Nothing -> 0; Just ds -> length ds})
class_info (ClassDecl _ _ _ meth_sigs def_meths _ _)
= case count_sigs meth_sigs of
(_,classops,_,_) ->
(classops, addpr (count_monobinds def_meths))
- inst_info (InstDecl _ _ _ inst_meths _ _ _ inst_sigs _ _)
- = case count_sigs inst_sigs of
+ inst_info (InstDecl _ inst_meths inst_sigs _ _)
+ = case count_sigs inst_sigs of
(_,_,ss,is) ->
(addpr (count_monobinds inst_meths), ss, is)
- is_type_decl (TySynonym _ _ _ _ _) = True
- is_type_decl _ = False
- is_data_decl (TyData _ _ _ _ _ _ _) = True
- is_data_decl _ = False
- is_data_spec_sig (SpecDataSig _ _ _) = True
- is_data_spec_sig _ = False
- is_inst_spec_sig (InstSpecSig _ _ _) = True
-
addpr (x,y) = x+y
add1 x1 y1 = x1+y1
add2 (x1,x2) (y1,y2) = (x1+y1,x2+y2)
add3 (x1,x2,x3) (y1,y2,y3) = (x1+y1,x2+y2,x3+y3)
add4 (x1,x2,x3,x4) (y1,y2,y3,y4) = (x1+y1,x2+y2,x3+y3,x4+y4)
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}
-
-
projects / ghc-hetmet.git / blobdiff