#ifdef GHCI
import RdrHsSyn ( RdrNameHsExpr )
import Rename ( renameExpr )
-import CoreToStg ( coreExprToStg )
import StringBuffer ( stringToStringBuffer, freeStringBuffer )
import Unique ( Uniquable(..) )
import Type ( Type, splitTyConApp_maybe )
import Monad ( when )
import Maybe ( isJust )
import IO
-import List ( intersperse )
\end{code}
ModIface -- new iface (if any compilation was done)
(Maybe String) -- generated stub_h filename (in /tmp)
(Maybe String) -- generated stub_c filename (in /tmp)
- (Maybe ([UnlinkedIBind],ItblEnv)) -- interpreted code, if any
+ (Maybe ([UnlinkedBCO],ItblEnv)) -- interpreted code, if any
-- no errors or warnings; the individual passes
maybe_checked_iface new_iface new_details
-------------------
- -- CONVERT TO STG
+ -- CONVERT TO STG and COMPLETE CODE GENERATION
-------------------
- ; (stg_binds, cost_centre_info)
- <- myCoreToStg dflags this_mod tidy_binds
-
- -------------------
- -- COMPLETE CODE GENERATION
- -------------------
- ; (maybe_stub_h_filename, maybe_stub_c_filename, maybe_ibinds)
+ ; (maybe_stub_h_filename, maybe_stub_c_filename, maybe_bcos)
<- restOfCodeGeneration dflags toInterp this_mod
(map ideclName (hsModuleImports rdr_module))
- cost_centre_info foreign_stuff env_tc stg_binds tidy_binds
+ foreign_stuff env_tc tidy_binds
hit (pcs_PIT pcs_simpl)
-- and the answer is ...
; return (HscRecomp pcs_simpl new_details final_iface
maybe_stub_h_filename maybe_stub_c_filename
- maybe_ibinds)
+ maybe_bcos)
}}}}}}}
<- core2core dflags pcs hst is_exported binds rules
-- Do saturation and convert to A-normal form
- -- NOTE: future passes cannot transform the syntax, only annotate it
+ -- NOTE: subsequent passes may not transform the syntax, only annotate it
saturated <- coreSatPgm dflags simplified
-- Do the final tidy-up
return (pcs', tidy_binds, tidy_orphan_rules)
-restOfCodeGeneration dflags toInterp this_mod imported_module_names cost_centre_info
- foreign_stuff env_tc stg_binds tidy_binds
+restOfCodeGeneration dflags toInterp this_mod imported_module_names
+ foreign_stuff env_tc tidy_binds
hit pit -- these last two for mapping ModNames to Modules
| toInterp
- = do (ibinds,itbl_env)
- <- stgBindsToInterpSyn dflags (map fst stg_binds)
- local_tycons local_classes
- return (Nothing, Nothing, Just (ibinds,itbl_env))
+ = do (bcos,itbl_env)
+ <- byteCodeGen dflags tidy_binds local_tycons local_classes
+ return (Nothing, Nothing, Just (bcos,itbl_env))
| otherwise
- = do -------------------------- Code generation -------------------------------
+ = do
+ -------------------------- Convert to STG -------------------------------
+ (stg_binds, cost_centre_info)
+ <- myCoreToStg dflags this_mod tidy_binds env_tc
+
+ -------------------------- Code generation -------------------------------
-- _scc_ "CodeGen"
abstractC <- codeGen dflags this_mod imported_modules
cost_centre_info fe_binders
(ppr nm)
-myCoreToStg dflags this_mod tidy_binds
+myCoreToStg dflags this_mod tidy_binds env_tc
= do
() <- coreBindsSize 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
- --let bcos = byteCodeGen tidy_binds
- --putStrLn ("\n\n" ++ showSDocDebug (vcat (intersperse (char ' ') (map ppr bcos))))
+ --let bcos = byteCodeGen dflags tidy_binds local_tycons local_classes
-- _scc_ "Core2Stg"
stg_binds <- coreToStg dflags this_mod tidy_binds
(stg_binds2, cost_centre_info) <- stg2stg dflags this_mod stg_binds
return (stg_binds2, cost_centre_info)
+ where
+ local_tycons = typeEnvTyCons env_tc
+ local_classes = typeEnvClasses env_tc
\end{code}
-> PersistentCompilerState -- IN: persistent compiler state
-> Module -- Context for compiling
-> String -- The expression
+ -> Bool -- Should we wrap print if not IO-typed?
-> IO ( PersistentCompilerState,
- Maybe (UnlinkedIExpr, PrintUnqualified, Type) )
+ Maybe (UnlinkedBCOExpr, PrintUnqualified, Type) )
-hscExpr dflags hst hit pcs0 this_module expr
+hscExpr dflags hst hit pcs0 this_module expr wrap_print
= do {
maybe_parsed <- hscParseExpr dflags expr;
case maybe_parsed of
(pcs1, maybe_renamed_expr) <-
renameExpr dflags hit hst pcs0 this_module parsed_expr;
case maybe_renamed_expr of
- Nothing -> return (pcs1, Nothing)
+ Nothing -> return ({-WAS:pcs1-} pcs0, Nothing)
Just (print_unqual, rn_expr) -> do {
-- Typecheck it
maybe_tc_return
<- typecheckExpr dflags pcs1 hst print_unqual this_module rn_expr;
case maybe_tc_return of {
- Nothing -> return (pcs1, Nothing);
+ Nothing -> return ({-WAS:pcs1-} pcs0, Nothing);
Just (pcs2, tc_expr, ty) -> do
-- if it isn't an IO-typed expression,
Nothing -> False }
};
- if (not is_IO_type)
+ if (wrap_print && not is_IO_type)
then do (new_pcs, maybe_stuff)
- <- hscExpr dflags hst hit pcs2 this_module
- ("print (" ++ expr ++ ")")
+ <- hscExpr dflags hst hit pcs2 this_module
+ ("print (" ++ expr ++ ")") False
case maybe_stuff of
Nothing -> return (new_pcs, maybe_stuff)
- Just (expr, _, _) ->
- return (new_pcs, Just (expr, print_unqual, ty))
+ Just (bcos, _, _) ->
+ return (new_pcs, Just (bcos, print_unqual, ty))
else do
-- Desugar it
-- Saturate it
sat_expr <- coreSatExpr dflags simpl_expr;
- -- Convert to STG
- let stg_expr = coreExprToStg sat_expr;
-
-- ToDo: need to do SRTs?
- -- Convert to InterpSyn
- unlinked_iexpr <- stgExprToInterpSyn dflags stg_expr;
+ -- Convert to BCOs
+ bcos <- coreExprToBCOs dflags sat_expr
- return (pcs2, Just (unlinked_iexpr, print_unqual, ty));
+ return (pcs2, Just (bcos, print_unqual, ty));
}}}}
hscParseExpr :: DynFlags -> String -> IO (Maybe RdrNameHsExpr)
PRS { prsOrig = NameSupply { nsUniqs = us,
nsNames = initOrigNames,
nsIPs = emptyFM },
- prsDecls = (emptyNameEnv, 0),
- prsInsts = (emptyBag, 0),
- prsRules = (emptyBag, 0)
+ prsDecls = (emptyNameEnv, 0),
+ prsInsts = (emptyBag, 0),
+ prsRules = (emptyBag, 0),
+ prsImpMods = emptyFM
}
)