#include "HsVersions.h"
import Maybe ( isJust )
-import Monad ( when )
-import IO ( hPutStr, hPutStrLn, hClose, stderr,
- openFile, IOMode(..) )
+import IO ( hPutStr, hPutStrLn, stderr )
import HsSyn
-import RdrHsSyn ( RdrNameHsModule )
-import FastString ( unpackFS )
import StringBuffer ( hGetStringBuffer )
import Parser ( parse )
import Lex ( PState(..), ParseResult(..) )
import SrcLoc ( mkSrcLoc )
import Rename ( renameModule, checkOldIface, closeIfaceDecls )
-
import Rules ( emptyRuleBase )
-import PrelInfo ( wiredInThings )
+import PrelInfo ( wiredInThingEnv, wiredInThings )
import PrelNames ( knownKeyNames )
import PrelRules ( builtinRules )
import MkIface ( completeIface, mkModDetailsFromIface, mkModDetails,
writeIface )
import TcModule ( TcResults(..), typecheckModule )
-import TcEnv ( tcEnvTyCons, tcEnvClasses )
import InstEnv ( emptyInstEnv )
import Desugar ( deSugar )
import SimplCore ( core2core )
import CodeGen ( codeGen )
import CodeOutput ( codeOutput )
-import Module ( ModuleName, moduleNameUserString,
- moduleUserString, moduleName, emptyModuleEnv,
- extendModuleEnv )
+import Module ( ModuleName, moduleName, mkModuleInThisPackage )
import CmdLineOpts
-import ErrUtils ( ghcExit, doIfSet, dumpIfSet_dyn )
+import ErrUtils ( dumpIfSet_dyn )
+import Util ( unJust )
import UniqSupply ( mkSplitUniqSupply )
import Bag ( emptyBag )
import Outputable
-import Char ( isSpace )
import StgInterp ( stgToInterpSyn )
import HscStats ( ppSourceStats )
import HscTypes ( ModDetails, ModIface(..), PersistentCompilerState(..),
- PersistentRenamerState(..), WhatsImported(..),
- HomeSymbolTable, PackageSymbolTable, ImportVersion,
- GenAvailInfo(..), RdrAvailInfo, OrigNameEnv(..),
- PackageRuleBase, HomeIfaceTable, PackageIfaceTable,
- extendTypeEnv, groupTyThings, TypeEnv, TyThing,
+ PersistentRenamerState(..), ModuleLocation(..),
+ HomeSymbolTable,
+ OrigNameEnv(..), PackageRuleBase, HomeIfaceTable,
typeEnvClasses, typeEnvTyCons, emptyIfaceTable )
-import RnMonad ( ExportItem, ParsedIface(..) )
-import CmSummarise ( ModSummary(..), name_of_summary, ms_get_imports,
- mimp_name )
import InterpSyn ( UnlinkedIBind )
import StgInterp ( ItblEnv )
import FiniteMap ( FiniteMap, plusFM, emptyFM, addToFM )
-import OccName ( OccName, pprOccName )
-import Name ( Name, nameModule, emptyNameEnv, nameOccName,
- getName, extendNameEnv_C, nameEnvElts )
-import VarEnv ( emptyVarEnv )
-import Module ( Module, mkModuleName, lookupModuleEnvByName )
+import OccName ( OccName )
+import Name ( Name, nameModule, nameOccName, getName )
+import Name ( emptyNameEnv )
+import Module ( Module, lookupModuleEnvByName )
\end{code}
hscMain
:: DynFlags
- -> ModSummary -- summary, including source filename
- -> Maybe ModIface -- old interface, if available
+ -> Bool -- source unchanged?
+ -> ModuleLocation -- location info
+ -> Maybe ModIface -- old interface, if available
-> HomeSymbolTable -- for home module ModDetails
-> HomeIfaceTable
-> PersistentCompilerState -- IN: persistent compiler state
-> IO HscResult
-hscMain dflags summary maybe_old_iface hst hit pcs
+hscMain dflags source_unchanged location maybe_old_iface hst hit pcs
= do {
- -- ????? source_unchanged :: Bool -- extracted from summary?
- let source_unchanged = trace "WARNING: source_unchanged?!" False
- ;
- putStrLn "checking old iface ...";
+ putStrLn "CHECKING OLD IFACE";
(pcs_ch, check_errs, (recomp_reqd, maybe_checked_iface))
- <- checkOldIface dflags hit hst pcs (ms_mod summary)
+ <- checkOldIface dflags hit hst pcs (unJust (ml_hi_file location) "hscMain")
source_unchanged maybe_old_iface;
if check_errs then
return (HscFail pcs_ch)
what_next | recomp_reqd || no_old_iface = hscRecomp
| otherwise = hscNoRecomp
;
- putStrLn "doing what_next ...";
- what_next dflags summary maybe_checked_iface
+ what_next dflags location maybe_checked_iface
hst hit pcs_ch
}}
-hscNoRecomp dflags summary maybe_checked_iface hst hit pcs_ch
+hscNoRecomp dflags location maybe_checked_iface hst hit pcs_ch
= do {
+ hPutStrLn stderr "COMPILATION NOT REQUIRED";
-- we definitely expect to have the old interface available
let old_iface = case maybe_checked_iface of
Just old_if -> old_if
Nothing -> panic "hscNoRecomp:old_iface"
+ this_mod = mi_module old_iface
;
-- CLOSURE
(pcs_cl, closure_errs, cl_hs_decls)
-- TYPECHECK
maybe_tc_result
- <- typecheckModule dflags (ms_mod summary) pcs_cl hst hit cl_hs_decls;
+ <- typecheckModule dflags this_mod pcs_cl hst hit cl_hs_decls;
case maybe_tc_result of {
Nothing -> return (HscFail pcs_cl);
Just tc_result -> do {
- let pcs_tc = tc_pcs tc_result
- env_tc = tc_env tc_result
- binds_tc = tc_binds tc_result
- local_insts = tc_insts tc_result
- local_rules = tc_rules tc_result
+ let pcs_tc = tc_pcs tc_result
+ env_tc = tc_env tc_result
+ local_insts = tc_insts tc_result
+ local_rules = tc_rules tc_result
;
-- create a new details from the closed, typechecked, old iface
let new_details = mkModDetailsFromIface env_tc local_insts local_rules
}}}}
-hscRecomp dflags summary maybe_checked_iface hst hit pcs_ch
+hscRecomp dflags location maybe_checked_iface hst hit pcs_ch
= do {
+ hPutStrLn stderr "COMPILATION IS REQUIRED";
+
-- what target are we shooting for?
let toInterp = dopt_HscLang dflags == HscInterpreted
- this_mod = ms_mod summary
;
-- PARSE
- maybe_parsed <- myParseModule dflags summary;
+ maybe_parsed
+ <- myParseModule dflags (unJust (ml_hspp_file location) "hscRecomp:hspp");
case maybe_parsed of {
Nothing -> return (HscFail pcs_ch);
Just rdr_module -> do {
-- RENAME
+ let this_mod = mkModuleInThisPackage (hsModuleName rdr_module)
+ ;
show_pass dflags "Renamer";
(pcs_rn, maybe_rn_result)
<- renameModule dflags hit hst pcs_ch this_mod rdr_module;
maybe_tc_result
<- typecheckModule dflags this_mod pcs_rn hst hit rn_hs_decls;
case maybe_tc_result of {
- Nothing -> return (HscFail pcs_rn);
+ Nothing -> do { hPutStrLn stderr "Typechecked failed"
+ ; return (HscFail pcs_rn) } ;
Just tc_result -> do {
let pcs_tc = tc_pcs tc_result
env_tc = tc_env tc_result
- binds_tc = tc_binds tc_result
local_insts = tc_insts tc_result
;
-- DESUGAR, SIMPLIFY, TIDY-CORE
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_and_sdoc
- = completeIface maybe_checked_iface new_iface new_details
- maybe_final_iface
- = case maybe_final_iface_and_sdoc of
- Just (fif, sdoc) -> Just fif; Nothing -> Nothing
- ;
- -- Write the interface file
- writeIface maybe_final_iface
+ -- and the final interface
+ final_iface
+ <- mkFinalIface dflags location maybe_checked_iface new_iface new_details
;
-- do the rest of code generation/emission
(maybe_stub_h_filename, maybe_stub_c_filename, maybe_ibinds)
- <- restOfCodeGeneration dflags toInterp summary
+ <- restOfCodeGeneration dflags toInterp this_mod
+ (map ideclName (hsModuleImports rdr_module))
cost_centre_info foreign_stuff env_tc stg_binds oa_tidy_binds
hit (pcs_PIT pcs_tc)
;
-- and the answer is ...
- return (HscOK new_details maybe_final_iface
+ return (HscOK new_details (Just final_iface)
maybe_stub_h_filename maybe_stub_c_filename
maybe_ibinds pcs_tc)
}}}}}}}
-myParseModule dflags summary
+
+mkFinalIface dflags location maybe_old_iface new_iface new_details
+ = case completeIface maybe_old_iface new_iface new_details of
+ (new_iface, Nothing) -- no change in the interfacfe
+ -> do if dopt Opt_D_dump_hi_diffs dflags then
+ printDump (text "INTERFACE UNCHANGED")
+ else return ()
+ return new_iface
+ (new_iface, Just sdoc)
+ -> do dumpIfSet_dyn dflags Opt_D_dump_hi_diffs "NEW INTERFACE" sdoc
+ -- Write the interface file
+ writeIface (unJust (ml_hi_file location) "hscRecomp:hi") new_iface
+ return new_iface
+
+
+myParseModule dflags src_filename
= do -------------------------- Parser ----------------
show_pass dflags "Parser"
-- _scc_ "Parser"
- let src_filename -- name of the preprocessed source file
- = case ms_ppsource summary of
- Just (filename, fingerprint) -> filename
- Nothing -> pprPanic
- "myParseModule:summary is not of a source module"
- (ppr summary)
-
buf <- hGetStringBuffer True{-expand tabs-} src_filename
let glaexts | dopt Opt_GlasgowExts dflags = 1#
}}
-restOfCodeGeneration dflags toInterp summary cost_centre_info
+restOfCodeGeneration dflags toInterp this_mod imported_module_names cost_centre_info
foreign_stuff env_tc stg_binds oa_tidy_binds
hit pit -- these last two for mapping ModNames to Modules
| toInterp
= do (ibinds,itbl_env)
<- stgToInterpSyn (map fst stg_binds) local_tycons local_classes
return (Nothing, Nothing, Just (ibinds,itbl_env))
+
| otherwise
= do -------------------------- Code generation -------------------------------
show_pass dflags "CodeGen"
-- _scc_ "CodeGen"
abstractC <- codeGen dflags this_mod imported_modules
cost_centre_info fe_binders
- local_tycons local_classes stg_binds
+ local_tycons stg_binds
-------------------------- Code output -------------------------------
show_pass dflags "CodeOutput"
-- _scc_ "CodeOutput"
- ncg_uniqs <- mkSplitUniqSupply 'n'
(maybe_stub_h_name, maybe_stub_c_name)
- <- codeOutput dflags this_mod local_tycons local_classes
+ <- codeOutput dflags this_mod local_tycons
oa_tidy_binds stg_binds
- c_code h_code abstractC ncg_uniqs
+ c_code h_code abstractC
return (maybe_stub_h_name, maybe_stub_c_name, Nothing)
where
local_tycons = typeEnvTyCons env_tc
local_classes = typeEnvClasses env_tc
- this_mod = ms_mod summary
- imported_modules = map (mod_name_to_Module.mimp_name)
- (ms_get_imports summary)
+ imported_modules = map mod_name_to_Module imported_module_names
(fe_binders,h_code,c_code) = foreign_stuff
mod_name_to_Module :: ModuleName -> Module
= do prs <- initPersistentRenamerState
return (
PCS { pcs_PIT = emptyIfaceTable,
- pcs_PST = initPackageDetails,
+ pcs_PTE = wiredInThingEnv,
pcs_insts = emptyInstEnv,
pcs_rules = emptyRuleBase,
pcs_PRS = prs
}
)
-initPackageDetails :: PackageSymbolTable
-initPackageDetails = extendTypeEnv emptyModuleEnv (groupTyThings wiredInThings)
-
---initPackageDetails = panic "initPackageDetails"
-
initPersistentRenamerState :: IO PersistentRenamerState
= do ns <- mkSplitUniqSupply 'r'
return (
projects / ghc-hetmet.git / blobdiff