#include "HsVersions.h"
-import IO ( IOMode(..), hPutStr, hClose, openFile, stderr )
+import IO ( hPutStr, stderr )
import HsSyn
import BasicTypes ( NewOrData(..) )
-import ReadPrefix ( rdModule )
+import RdrHsSyn ( RdrNameHsModule )
+import FastString ( mkFastCharString, unpackFS )
+import StringBuffer ( hGetStringBuffer )
+import Parser ( parse )
+import Lex ( PState(..), P, ParseResult(..) )
+import SrcLoc ( mkSrcLoc )
+
import Rename ( renameModule )
-import MkIface -- several functions
-import TcModule ( typecheckModule )
+import MkIface ( startIface, ifaceDecls, endIface )
+import TcModule ( TcResults(..), typecheckModule )
import Desugar ( deSugar )
import SimplCore ( core2core )
+import CoreLint ( endPass )
+import CoreTidy ( tidyCorePgm )
import CoreToStg ( topCoreBindsToStg )
-import StgSyn ( collectFinalStgBinders, pprStgBindingsWithSRTs )
+import StgSyn ( collectFinalStgBinders, pprStgBindings )
import SimplStg ( stg2stg )
import CodeGen ( codeGen )
-#if ! OMIT_NATIVE_CODEGEN
-import AsmCodeGen ( dumpRealAsm, writeRealAsm )
-#endif
+import CodeOutput ( codeOutput )
+import Module ( ModuleName, moduleNameUserString )
import AbsCSyn ( absCNop )
-import AbsCUtils ( flattenAbsC )
import CmdLineOpts
import ErrUtils ( ghcExit, doIfSet, dumpIfSet )
import Maybes ( maybeToBool, MaybeErr(..) )
import Class ( classTyCon )
import UniqSupply ( mkSplitUniqSupply )
-import PprAbsC ( dumpRealC, writeRealC )
import FiniteMap ( emptyFM )
import Outputable
import Char ( isSpace )
\end{code}
\begin{code}
+parseModule :: IO (ModuleName, RdrNameHsModule)
+parseModule = do
+ buf <- hGetStringBuffer True{-expand tabs-} (unpackFS src_filename)
+ case parse buf PState{ bol = 0#, atbol = 1#,
+ context = [], glasgow_exts = glaexts,
+ loc = mkSrcLoc src_filename 1 } of
+
+ PFailed err -> do
+ printErrs err
+ ghcExit 1
+ return (error "parseModule") -- just to get the types right
+
+ POk _ m@(HsModule mod _ _ _ _ _) ->
+ return (mod, m)
+ where
+ glaexts | opt_GlasgowExts = 1#
+ | otherwise = 0#
+\end{code}
+
+\begin{code}
doIt :: ([CoreToDo], [StgToDo]) -> IO ()
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") >>
+ hPutStr stderr ", for Haskell 98\n" >>
+ hPutStr stderr "\tcompiled by GHC version " >>
+ hPutStr stderr booter_version >>
+ hPutStr stderr "\n") >>
- -- ******* READER
- show_pass "Reader" >>
- _scc_ "Reader"
- rdModule >>= \ (mod_name, rdr_module) ->
+ -------------------------- Reader ----------------
+ show_pass "Parser" >>
+ _scc_ "Parser"
+ parseModule >>= \ (mod_name, rdr_module) ->
- dumpIfSet opt_D_dump_rdr "Reader" (ppr rdr_module) >>
+ dumpIfSet opt_D_dump_parsed "Parser" (ppr 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"
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 'r' >>= \ ru_uniqs -> -- rules
mkSplitUniqSupply 'c' >>= \ c2s_uniqs -> -- core-to-stg
--- _scc_ "spl-st"
+ mkSplitUniqSupply 'u' >>= \ tidy_uniqs -> -- tidy up
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
+ -------------------------- Rename ----------------
show_pass "Renamer" >>
_scc_ "Renamer"
- renameModule rn_uniqs rdr_module >>=
- \ maybe_rn_stuff ->
+ 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
- reportCompile (_UNPK_ mod_name) "Compilation NOT required!" >>
+ reportCompile mod_name "Compilation NOT required!" >>
return ();
- Just (rn_mod, iface_file_stuff, rn_name_supply, imported_modules) ->
+ Just (this_mod, rn_mod, iface_file_stuff, rn_name_supply, imported_modules) ->
-- Oh well, we've got to recompile for real
+ -------------------------- Start interface file ----------------
-- 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 >>
+ startIface this_mod iface_file_stuff >>= \ if_handle ->
- -- ******* TYPECHECKER
+ -------------------------- Typechecking ----------------
show_pass "TypeCheck" >>
_scc_ "TypeCheck"
- typecheckModule tc_uniqs rn_name_supply rn_mod >>= \ maybe_tc_stuff ->
+ typecheckModule tc_uniqs rn_name_supply
+ iface_file_stuff rn_mod >>= \ maybe_tc_stuff ->
case maybe_tc_stuff of {
Nothing -> ghcExit 1; -- Type checker failed
- Just (all_binds,
- local_tycons, local_classes, inst_info,
- fo_decls,
- ddump_deriv,
- global_env,
- global_ids) ->
+ Just (tc_results@(TcResults {tc_tycons = local_tycons,
+ tc_classes = local_classes,
+ tc_insts = inst_info })) ->
- -- ******* DESUGARER
- show_pass "DeSugar" >>
+ -------------------------- Desugaring ----------------
_scc_ "DeSugar"
- deSugar ds_uniqs global_env mod_name all_binds fo_decls >>= \ (desugared, h_code, c_code) ->
+ deSugar this_mod ds_uniqs tc_results >>= \ (desugared, rules, h_code, c_code) ->
- -- ******* CORE-TO-CORE SIMPLIFICATION
- show_pass "Core2Core" >>
+ -------------------------- Main Core-language transformations ----------------
_scc_ "Core2Core"
- let
- local_data_tycons = filter isDataTyCon local_tycons
- in
- core2core core_cmds mod_name
- sm_uniqs desugared
- >>=
- \ simplified ->
+ core2core core_cmds desugared rules >>= \ (simplified, imp_rule_ids) ->
+
+ -- Do the final tidy-up
+ tidyCorePgm tidy_uniqs this_mod
+ simplified imp_rule_ids >>= \ (tidy_binds, tidy_imp_rule_ids) ->
- -- ******* STG-TO-STG SIMPLIFICATION
+ -------------------------- Convert to STG code -------------------------------
show_pass "Core2Stg" >>
_scc_ "Core2Stg"
let
- stg_binds = topCoreBindsToStg c2s_uniqs simplified
+ stg_binds = topCoreBindsToStg c2s_uniqs tidy_binds
in
+ -------------------------- Simplify STG code -------------------------------
show_pass "Stg2Stg" >>
_scc_ "Stg2Stg"
- stg2stg stg_cmds mod_name st_uniqs stg_binds
- >>=
- \ (stg_binds2, cost_centre_info) ->
+ stg2stg stg_cmds this_mod st_uniqs stg_binds >>= \ (stg_binds2, cost_centre_info) ->
- dumpIfSet opt_D_dump_stg "STG syntax:"
- (pprStgBindingsWithSRTs stg_binds2) >>
+ -------------------------- Interface file -------------------------------
-- Dump instance decls and type signatures into the interface file
+ _scc_ "Interface"
let
final_ids = collectFinalStgBinders (map fst stg_binds2)
in
- _scc_ "Interface"
- ifaceDecls if_handle local_tycons local_classes inst_info final_ids simplified >>
+ ifaceDecls if_handle local_tycons local_classes
+ inst_info final_ids tidy_binds imp_rule_ids >>
endIface if_handle >>
- -- We are definitely done w/ interface-file stuff at this point:
- -- (See comments near call to "startIface".)
+ -- We are definitely done w/ interface-file stuff at this point:
+ -- (See comments near call to "startIface".)
+
- -- ******* "ABSTRACT", THEN "FLAT", THEN *REAL* C!
+ -------------------------- Code generation -------------------------------
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
+ codeGen this_mod imported_modules
+ cost_centre_info
+ local_tycons local_classes
+ stg_binds2 >>= \ abstractC ->
- 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
- all_local_data_tycons -- type constructors generated locally
- all_tycon_specs -- tycon specialisations
- stg_binds2
-
- flat_abstractC = flattenAbsC fl_uniqs abstractC
- in
- show_pass "CodeOutput" >>
+ -------------------------- Code output -------------------------------
+ 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
- -- flat_abstractC. WDP 94/10]
- let
- (flat_absC_c, flat_absC_ncg) =
- 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 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)
-
-#if OMIT_NATIVE_CODEGEN
- ncg_output_d = error "*** GHC not built with a native-code generator ***"
- ncg_output_w = ncg_output_d
-#else
- ncg_output_d = dumpRealAsm flat_absC_ncg ncg_uniqs
- ncg_output_w = (\ f -> writeRealAsm f flat_absC_ncg ncg_uniqs)
-#endif
- in
+ codeOutput this_mod c_code h_code abstractC ncg_uniqs >>
- dumpIfSet opt_D_dump_asm "Asm code" ncg_output_d >>
- doOutput opt_ProduceS ncg_output_w >>
- dumpIfSet opt_D_dump_foreign "Foreign export header file" stub_h_output_d >>
- outputHStub opt_ProduceExportHStubs stub_h_output_w >>
-
- 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)) >>
+ -------------------------- Final report -------------------------------
+ reportCompile mod_name (showSDoc (ppSourceStats True rdr_module)) >>
ghcExit 0
} }
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
-
- -- 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 short (HsModule name version exports imports fixities decls src_loc)
+ppSourceStats short (HsModule name version exports imports decls src_loc)
= (if short then hcat else vcat)
(map pp_val
[("ExportAll ", export_all), -- 1 if no export list
trim ls = takeWhile (not.isSpace) (dropWhile isSpace ls)
- 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
+ fixity_ds = length [() | FixD d <- decls]
+ -- NB: this omits fixity decls on local bindings and
+ -- in class decls. ToDo
+
+ tycl_decls = [d | TyClD d <- decls]
+ (class_ds, data_ds, newt_ds, type_ds) = countTyClDecls tycl_decls
+
inst_decls = [d | InstD d <- decls]
inst_ds = length inst_decls
default_ds = length [() | DefD _ <- decls]
(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 (newt_decls ++ data_decls))
+ = foldr add2 (0,0) (map data_info tycl_decls)
(class_method_ds, default_method_ds)
- = foldr add2 (0,0) (map class_info class_decls)
+ = foldr add2 (0,0) (map class_info tycl_decls)
(inst_method_ds, method_specs, method_inlines)
= foldr add3 (0,0,0) (map inst_info inst_decls)
count_binds (MonoBind b sigs _) = case (count_monobinds b, count_sigs sigs) of
((vs,fs),(ts,_,ss,is)) -> (vs,fs,ts,ss,is)
- 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 (ClassOpSig _ _ _ _) = (0,1,0,0)
- sig_info (SpecSig _ _ _ _) = (0,0,1,0)
+ sig_info (SpecSig _ _ _) = (0,0,1,0)
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})
+ data_info other = (0,0)
- 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))
+ class_info other = (0,0)
inst_info (InstDecl _ inst_meths inst_sigs _ _)
= case count_sigs inst_sigs of
(_,_,ss,is) ->
(addpr (count_monobinds inst_meths), ss, is)
+ addpr :: (Int,Int) -> Int
+ add1 :: Int -> Int -> Int
+ add2 :: (Int,Int) -> (Int,Int) -> (Int, Int)
+ add3 :: (Int,Int,Int) -> (Int,Int,Int) -> (Int, Int, Int)
+ add4 :: (Int,Int,Int,Int) -> (Int,Int,Int,Int) -> (Int, Int, Int, Int)
+ add5 :: (Int,Int,Int,Int,Int) -> (Int,Int,Int,Int,Int) -> (Int, Int, Int, Int, Int)
+ add6 :: (Int,Int,Int,Int,Int,Int) -> (Int,Int,Int,Int,Int,Int) -> (Int, Int, Int, Int, Int, Int)
+
addpr (x,y) = x+y
add1 x1 y1 = x1+y1
add2 (x1,x2) (y1,y2) = (x1+y1,x2+y2)
go ls@[x,y] = '.':ls
go (x:xs) = x:go xs
+booter_version
+ = case "\
+ \ __GLASGOW_HASKELL__" of
+ ' ':n:ns -> n:'.':ns
+ ' ':m -> m
\end{code}
\begin{code}
-reportCompile :: String -> String -> IO ()
+reportCompile :: ModuleName -> 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
+ sendTo sock (moduleNameUserString 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!")
+ [] -> IOERROR (userError "No address!")
(x:_) -> return (SockAddrInet motherShipPort x)
--magick
projects / ghc-hetmet.git / blobdiff