#include "HsVersions.h"
+import Maybe ( isJust )
import Monad ( when )
-import IO ( hPutStr, hClose, stderr, openFile, IOMode(..) )
+import IO ( hPutStr, hPutStrLn, hClose, stderr,
+ openFile, IOMode(..) )
import HsSyn
import RdrHsSyn ( RdrNameHsModule )
import Lex ( PState(..), ParseResult(..) )
import SrcLoc ( mkSrcLoc )
-import Rename ( renameModule, checkOldIface )
+import Rename ( renameModule, checkOldIface, closeIfaceDecls )
+import Rules ( emptyRuleBase )
import PrelInfo ( wiredInThings )
+import PrelNames ( knownKeyNames )
import PrelRules ( builtinRules )
-import MkIface ( completeIface, mkModDetailsFromIface )
+import MkIface ( completeIface, mkModDetailsFromIface, mkModDetails,
+ writeIface )
import TcModule ( TcResults(..), typecheckModule )
+import TcEnv ( tcEnvTyCons, tcEnvClasses )
+import InstEnv ( emptyInstEnv )
import Desugar ( deSugar )
import SimplCore ( core2core )
import OccurAnal ( occurAnalyseBinds )
import CodeOutput ( codeOutput )
import Module ( ModuleName, moduleNameUserString,
- moduleUserString, moduleName )
+ moduleUserString, moduleName, emptyModuleEnv )
import CmdLineOpts
-import ErrUtils ( ghcExit, doIfSet, dumpIfSet )
+import ErrUtils ( ghcExit, doIfSet, dumpIfSet_dyn )
import UniqSupply ( mkSplitUniqSupply )
import Bag ( emptyBag )
PersistentRenamerState(..), WhatsImported(..),
HomeSymbolTable, PackageSymbolTable, ImportVersion,
GenAvailInfo(..), RdrAvailInfo, OrigNameEnv(..),
- PackageRuleBase )
+ PackageRuleBase, HomeIfaceTable, PackageIfaceTable,
+ extendTypeEnv )
import RnMonad ( ExportItem, ParsedIface(..) )
-import CmSummarise ( ModSummary )
+import CmSummarise ( ModSummary(..), name_of_summary, ms_get_imports )
+import Finder ( Finder )
import InterpSyn ( UnlinkedIBind )
import StgInterp ( ItblEnv )
import FiniteMap ( FiniteMap, plusFM, emptyFM, addToFM )
import OccName ( OccName, pprOccName )
-import Name ( Name, nameModule )
+import Name ( Name, nameModule, emptyNameEnv, nameOccName,
+ getName, extendNameEnv_C )
+import VarEnv ( emptyVarEnv )
\end{code}
-- (parse/rename/typecheck) print messages themselves
hscMain
- :: DynFlags
+ :: DynFlags
+ -> Finder
-> ModSummary -- summary, including source filename
-> Maybe ModIface -- old interface, if available
-> String -- file in which to put the output (.s, .hc, .java etc.)
+ -> [CoreToDo]
+ -> [StgToDo]
-> HomeSymbolTable -- for home module ModDetails
+ -> HomeIfaceTable
+ -> PackageIfaceTable
-> PersistentCompilerState -- IN: persistent compiler state
-> IO HscResult
-hscMain dflags core_cmds stg_cmds summary maybe_old_iface
- output_filename mod_details pcs
+hscMain dflags finder summary maybe_old_iface output_filename
+ core_cmds stg_cmds hst hit pit pcs
= do {
-- ????? source_unchanged :: Bool -- extracted from summary?
-
- (ch_pcs, check_errs, (recomp_reqd, maybe_checked_iface))
- <- checkOldIface dflags finder hit hst pcs mod source_unchanged
- maybe_old_iface;
+ let source_unchanged = trace "WARNING: source_unchanged?!" False
+ ;
+ (pcs_ch, check_errs, (recomp_reqd, maybe_checked_iface))
+ <- checkOldIface dflags finder hit hst pcs (ms_mod summary)
+ source_unchanged maybe_old_iface;
if check_errs then
- return (HscFail ch_pcs)
+ return (HscFail pcs_ch)
else do {
let no_old_iface = not (isJust maybe_checked_iface)
what_next | recomp_reqd || no_old_iface = hscRecomp
| otherwise = hscNoRecomp
;
- return (what_next dflags finder core_cmds stg_cmds summary hit hst
- pcs2 maybe_checked_iface)
+ what_next dflags finder summary maybe_checked_iface output_filename
+ core_cmds stg_cmds hst hit pit pcs_ch
}}
-hscNoRecomp dflags finder core_cmds stg_cmds summary hit hst pcs maybe_old_iface
+hscNoRecomp dflags finder summary maybe_checked_iface output_filename
+ core_cmds stg_cmds hst hit pit pcs_ch
= do {
-- we definitely expect to have the old interface available
- let old_iface = case maybe_old_iface of
+ let old_iface = case maybe_checked_iface of
Just old_if -> old_if
Nothing -> panic "hscNoRecomp:old_iface"
;
-- CLOSURE
(pcs_cl, closure_errs, cl_hs_decls)
- <- closeIfaceDecls dflags finder hit hst pcs old_iface ;
+ <- closeIfaceDecls dflags finder hit hst pcs_ch old_iface ;
if closure_errs then
- return (HscFail cl_pcs)
+ return (HscFail pcs_cl)
else do {
-- TYPECHECK
maybe_tc_result
- <- typecheckModule dflags mod pcs_cl hst hit pit cl_hs_decls;
+ <- typecheckModule dflags (ms_mod summary) pcs_cl hst hit cl_hs_decls;
case maybe_tc_result of {
- Nothing -> return (HscFail cl_pcs);
+ Nothing -> return (HscFail pcs_cl);
Just tc_result -> do {
let pcs_tc = tc_pcs tc_result
-- create a new details from the closed, typechecked, old iface
let new_details = mkModDetailsFromIface env_tc local_insts local_rules
;
- return (HscOK final_details
+ return (HscOK new_details
Nothing -- tells CM to use old iface and linkables
Nothing Nothing -- foreign export stuff
Nothing -- ibinds
}}}}
-hscRecomp dflags finder core_cmds stg_cmds summary hit hst pcs maybe_old_iface
+hscRecomp dflags finder summary maybe_checked_iface output_filename
+ core_cmds stg_cmds hst hit pit pcs_ch
= do {
-- what target are we shooting for?
let toInterp = dopt_HscLang dflags == HscInterpreted
+ this_mod = ms_mod summary
;
-- PARSE
maybe_parsed <- myParseModule dflags summary;
case maybe_parsed of {
- Nothing -> return (HscFail pcs);
+ Nothing -> return (HscFail pcs_ch);
Just rdr_module -> do {
-- RENAME
+ show_pass dflags "Renamer";
(pcs_rn, maybe_rn_result)
- <- renameModule dflags finder hit hst pcs mod rdr_module;
+ <- renameModule dflags finder hit hst pcs_ch this_mod rdr_module;
case maybe_rn_result of {
Nothing -> return (HscFail pcs_rn);
Just (new_iface, rn_hs_decls) -> do {
-- TYPECHECK
+ show_pass dflags "Typechecker";
maybe_tc_result
- <- typecheckModule dflags mod pcs_rn hst hit pit rn_hs_decls;
+ <- typecheckModule dflags this_mod pcs_rn hst hit rn_hs_decls;
case maybe_tc_result of {
Nothing -> return (HscFail pcs_rn);
Just tc_result -> do {
-- DESUGAR, SIMPLIFY, TIDY-CORE
-- We grab the the unfoldings at this point.
(tidy_binds, orphan_rules, foreign_stuff)
- <- dsThenSimplThenTidy dflags mod tc_result ds_uniqs
+ <- dsThenSimplThenTidy dflags this_mod tc_result core_cmds
;
-- CONVERT TO STG
- (stg_binds, cost_centre_info, top_level_ids)
- <- myCoreToStg finder c2s_uniqs st_uniqs this_mod tidy_binds
+ (stg_binds, oa_tidy_binds, cost_centre_info, top_level_ids)
+ <- myCoreToStg dflags this_mod tidy_binds stg_cmds
;
-- cook up a new ModDetails now we (finally) have all the bits
- let new_details = mkModDetails tc_env local_insts tidy_binds
+ let new_details = mkModDetails env_tc local_insts tidy_binds
top_level_ids orphan_rules
;
-- and possibly create a new ModIface
- let maybe_final_iface = completeIface maybe_old_iface new_iface new_details
+ let maybe_final_iface
+ = completeIface maybe_checked_iface new_iface new_details
;
-- Write the interface file
-- do the rest of code generation/emission
(maybe_ibinds, maybe_stub_h_filename, maybe_stub_c_filename)
- <- restOfCodeGeneration toInterp
- this_mod imported_modules cost_centre_info
- fe_binders tc_env stg_binds
+ <- restOfCodeGeneration dflags toInterp summary
+ cost_centre_info foreign_stuff tc_env stg_binds oa_tidy_binds
;
-- and the answer is ...
return (HscOK new_details maybe_final_iface
myParseModule dflags summary
- = do -------------------------- Reader ----------------
- show_pass "Parser"
+ = do -------------------------- Parser ----------------
+ show_pass dflags "Parser"
-- _scc_ "Parser"
let src_filename -- name of the preprocessed source file
case parse buf PState{ bol = 0#, atbol = 1#,
context = [], glasgow_exts = glaexts,
- loc = mkSrcLoc src_filename 1 } of {
+ loc = mkSrcLoc (_PK_ src_filename) 1 } of {
PFailed err -> do { hPutStrLn stderr (showSDoc err);
return Nothing };
- POk _ rdr_module@(HsModule mod_name _ _ _ _ _ _) ->
+ POk _ rdr_module@(HsModule mod_name _ _ _ _ _ _) -> do {
- dumpIfSet_dyn dflags Opt_D_dump_parsed "Parser" (ppr rdr_module)
+ dumpIfSet_dyn dflags Opt_D_dump_parsed "Parser" (ppr rdr_module) ;
+
dumpIfSet_dyn dflags Opt_D_source_stats "Source Statistics"
- (ppSourceStats False rdr_module)
-
+ (ppSourceStats False rdr_module) ;
+
return (Just rdr_module)
- }
+ }}
-restOfCodeGeneration toInterp this_mod imported_modules cost_centre_info
- foreign_stuff tc_env stg_binds
+restOfCodeGeneration dflags toInterp summary cost_centre_info
+ foreign_stuff tc_env stg_binds oa_tidy_binds
| toInterp
= return (Nothing, Nothing,
Just (stgToInterpSyn stg_binds local_tycons local_classes))
| otherwise
= do -------------------------- Code generation -------------------------------
- show_pass "CodeGen"
+ show_pass dflags "CodeGen"
-- _scc_ "CodeGen"
abstractC <- codeGen this_mod imported_modules
cost_centre_info fe_binders
local_tycons local_classes stg_binds
-------------------------- Code output -------------------------------
- show_pass "CodeOutput"
+ show_pass dflags "CodeOutput"
-- _scc_ "CodeOutput"
- let (fe_binders, h_code, c_code) = foreign_stuff
+ ncg_uniqs <- mkSplitUniqSupply 'n'
(maybe_stub_h_name, maybe_stub_c_name)
<- codeOutput this_mod local_tycons local_classes
- occ_anal_tidy_binds stg_binds2
+ oa_tidy_binds stg_binds
c_code h_code abstractC ncg_uniqs
return (maybe_stub_h_name, maybe_stub_c_name, Nothing)
where
- local_tycons = tcEnvTyCons tc_env
- local_classes = tcEnvClasses tc_env
+ local_tycons = tcEnvTyCons tc_env
+ local_classes = tcEnvClasses tc_env
+ this_mod = ms_mod summary
+ imported_modules = ms_get_imports summary
+ (fe_binders,h_code,c_code) = foreign_stuff
-dsThenSimplThenTidy dflags mod tc_result
+dsThenSimplThenTidy dflags this_mod tc_result core_cmds
-- make up ds_uniqs here
= do -------------------------- Desugaring ----------------
-- _scc_ "DeSugar"
+ ds_uniqs <- mkSplitUniqSupply 'd'
(desugared, rules, h_code, c_code, fe_binders)
<- deSugar this_mod ds_uniqs tc_result
return (tidy_binds, tidy_orphan_rules, (fe_binders,h_code,c_code))
-myCoreToStg c2s_uniqs st_uniqs this_mod tidy_binds
- = do let occ_anal_tidy_binds = occurAnalyseBinds tidy_binds
+myCoreToStg dflags this_mod tidy_binds stg_cmds
+ = do
+ c2s_uniqs <- mkSplitUniqSupply 'c'
+ st_uniqs <- mkSplitUniqSupply 'g'
+ let occ_anal_tidy_binds = occurAnalyseBinds tidy_binds
() <- coreBindsSize occ_anal_tidy_binds `seq` return ()
-- TEMP: the above call zaps some space usage allocated by the
-- simplifier, which for reasons I don't understand, persists
-- thoroughout code generation
- show_pass "Core2Stg"
+ show_pass dflags "Core2Stg"
-- _scc_ "Core2Stg"
let stg_binds = topCoreBindsToStg c2s_uniqs occ_anal_tidy_binds
- show_pass "Stg2Stg"
+ show_pass dflags "Stg2Stg"
-- _scc_ "Stg2Stg"
(stg_binds2, cost_centre_info) <- stg2stg stg_cmds this_mod st_uniqs stg_binds
let final_ids = collectFinalStgBinders (map fst stg_binds2)
- return (stg_binds2, cost_centre_info, final_ids)
+ return (stg_binds2, occ_anal_tidy_binds, cost_centre_info, final_ids)
+
+
+show_pass dflags what
+ = if dopt Opt_D_show_passes dflags
+ then hPutStr stderr ("*** "++what++":\n")
+ else return ()
\end{code}
return (
PCS { pcs_PST = initPackageDetails,
pcs_insts = emptyInstEnv,
- pcs_rules = emptyRuleEnv,
+ pcs_rules = emptyRuleBase,
pcs_PRS = prs
}
)
initRules :: PackageRuleBase
initRules = foldl add emptyVarEnv builtinRules
where
- add env (name,rule) = extendNameEnv_C add1 env name [rule]
- add1 rules _ = rule : rules
+ add env (name,rule)
+ = extendNameEnv_C (\rules _ -> rule:rules)
+ env name [rule]
\end{code}