module HscMain (
HscResult(..),
hscMain, newHscEnv, hscCmmFile,
- hscBufferCheck, hscFileCheck,
+ hscFileCheck,
+ hscParseIdentifier,
#ifdef GHCI
- , hscStmt, hscTcExpr, hscKcType
- , hscGetInfo, GetInfoResult
- , compileExpr
+ hscStmt, hscTcExpr, hscKcType,
+ hscGetInfo, GetInfoResult,
+ compileExpr,
#endif
) where
#include "HsVersions.h"
#ifdef GHCI
-import HsSyn ( Stmt(..), LStmt, LHsExpr, LHsType )
+import HsSyn ( Stmt(..), LHsExpr )
import IfaceSyn ( IfaceDecl, IfaceInst )
import Module ( Module )
import CodeOutput ( outputForeignStubs )
import TidyPgm ( tidyCoreExpr )
import CorePrep ( corePrepExpr )
import Flattening ( flattenExpr )
-import TcRnDriver ( tcRnStmt, tcRnExpr, tcRnGetInfo, tcRnType )
+import TcRnDriver ( tcRnStmt, tcRnExpr, tcRnGetInfo, GetInfoResult, tcRnType )
import RdrName ( rdrNameOcc )
import OccName ( occNameUserString )
import Type ( Type )
import PrelNames ( iNTERACTIVE )
-import StringBuffer ( stringToStringBuffer )
import Kind ( Kind )
-import Var ( Id )
import CoreLint ( lintUnfolding )
import DsMeta ( templateHaskellNames )
import BasicTypes ( Fixity )
import SrcLoc ( SrcLoc, noSrcLoc )
#endif
-import RdrName ( RdrName )
-import HsSyn ( HsModule )
+import Var ( Id )
+import Module ( emptyModuleEnv )
+import RdrName ( GlobalRdrEnv, RdrName )
+import HsSyn ( HsModule, LHsBinds, LStmt, LHsType )
import SrcLoc ( Located(..) )
-import StringBuffer ( hGetStringBuffer )
+import StringBuffer ( hGetStringBuffer, stringToStringBuffer )
import Parser
import Lexer ( P(..), ParseResult(..), mkPState )
import SrcLoc ( mkSrcLoc )
import TcRnDriver ( tcRnModule, tcRnExtCore )
-import TcRnTypes ( TcGblEnv )
+import TcRnTypes ( TcGblEnv(..) )
import TcIface ( typecheckIface )
import IfaceEnv ( initNameCache )
import LoadIface ( ifaceStats, initExternalPackageState )
import PrelInfo ( wiredInThings, basicKnownKeyNames )
-import RdrName ( GlobalRdrEnv )
import MkIface ( checkOldIface, mkIface )
import Desugar
import Flattening ( flatten )
import CmmParse ( parseCmmFile )
import CodeOutput ( codeOutput )
-import CmdLineOpts
+import DynFlags
import DriverPhases ( HscSource(..) )
import ErrUtils
import UniqSupply ( mkSplitUniqSupply )
%************************************************************************
\begin{code}
-newHscEnv :: GhciMode -> DynFlags -> IO HscEnv
-newHscEnv ghci_mode dflags
+newHscEnv :: DynFlags -> IO HscEnv
+newHscEnv dflags
= do { eps_var <- newIORef initExternalPackageState
; us <- mkSplitUniqSupply 'r'
; nc_var <- newIORef (initNameCache us knownKeyNames)
- ; return (HscEnv { hsc_mode = ghci_mode,
- hsc_dflags = dflags,
+ ; fc_var <- newIORef emptyModuleEnv
+ ; return (HscEnv { hsc_dflags = dflags,
+ hsc_targets = [],
+ hsc_mod_graph = [],
+ hsc_IC = emptyInteractiveContext,
hsc_HPT = emptyHomePackageTable,
hsc_EPS = eps_var,
- hsc_NC = nc_var } ) }
+ hsc_NC = nc_var,
+ hsc_FC = fc_var } ) }
knownKeyNames :: [Name] -- Put here to avoid loops involving DsMeta,
= HscFail
-- In IDE mode: we just do the static/dynamic checks
- | HscChecked (Located (HsModule RdrName)) (Maybe TcGblEnv)
+ | HscChecked
+ (Located (HsModule RdrName))
+ (Maybe (LHsBinds Id, GlobalRdrEnv, ModDetails))
-- Concluded that it wasn't necessary
| HscNoRecomp ModDetails -- new details (HomeSymbolTable additions)
source_unchanged have_object maybe_old_iface
= do {
(recomp_reqd, maybe_checked_iface) <-
- _scc_ "checkOldIface"
+ {-# SCC "checkOldIface" #-}
checkOldIface hsc_env mod_summary
source_unchanged maybe_old_iface;
-- hscNoRecomp definitely expects to have the old interface available
hscNoRecomp hsc_env msg_act mod_summary
have_object (Just old_iface)
- | isOneShot (hsc_mode hsc_env)
+ | isOneShot (ghcMode (hsc_dflags hsc_env))
= do {
compilationProgressMsg (hsc_dflags hsc_env) $
"compilation IS NOT required";
= do { compilationProgressMsg (hsc_dflags hsc_env) $
("Skipping " ++ showModMsg have_object mod_summary)
- ; new_details <- _scc_ "tcRnIface"
+ ; new_details <- {-# SCC "tcRnIface" #-}
typecheckIface hsc_env old_iface ;
; dumpIfaceStats hsc_env
hscRecomp hsc_env msg_act mod_summary
have_object maybe_checked_iface
= case ms_hsc_src mod_summary of
- HsSrcFile -> do { front_res <- hscFileFrontEnd hsc_env msg_act mod_summary
- ; hscBackEnd hsc_env mod_summary maybe_checked_iface front_res }
+ HsSrcFile -> do
+ front_res <- hscFileFrontEnd hsc_env msg_act mod_summary
+ hscBackEnd hsc_env mod_summary maybe_checked_iface front_res
- HsBootFile -> do { front_res <- hscFileFrontEnd hsc_env msg_act mod_summary
- ; hscBootBackEnd hsc_env mod_summary maybe_checked_iface front_res }
+ HsBootFile -> do
+ front_res <- hscFileFrontEnd hsc_env msg_act mod_summary
+ hscBootBackEnd hsc_env mod_summary maybe_checked_iface front_res
- ExtCoreFile -> do { front_res <- hscCoreFrontEnd hsc_env msg_act mod_summary
- ; hscBackEnd hsc_env mod_summary maybe_checked_iface front_res }
+ ExtCoreFile -> do
+ front_res <- hscCoreFrontEnd hsc_env msg_act mod_summary
+ hscBackEnd hsc_env mod_summary maybe_checked_iface front_res
hscCoreFrontEnd hsc_env msg_act mod_summary = do {
-------------------
-------------------
-- RENAME and TYPECHECK
-------------------
- ; (tc_msgs, maybe_tc_result) <- _scc_ "TypeCheck"
+ ; (tc_msgs, maybe_tc_result) <- {-# SCC "TypeCheck" #-}
tcRnExtCore hsc_env rdr_module
; msg_act tc_msgs
; case maybe_tc_result of
-------------------
-- DISPLAY PROGRESS MESSAGE
-------------------
- let one_shot = isOneShot (hsc_mode hsc_env)
+ let one_shot = isOneShot (ghcMode (hsc_dflags hsc_env))
; let dflags = hsc_dflags hsc_env
- ; let toInterp = dopt_HscTarget dflags == HscInterpreted
+ ; let toInterp = hscTarget dflags == HscInterpreted
; when (not one_shot) $
compilationProgressMsg dflags $
("Compiling " ++ showModMsg (not toInterp) mod_summary)
-- RENAME and TYPECHECK
-------------------
(tc_msgs, maybe_tc_result)
- <- _scc_ "Typecheck-Rename"
+ <- {-# SCC "Typecheck-Rename" #-}
tcRnModule hsc_env (ms_hsc_src mod_summary) rdr_module
; msg_act tc_msgs
-------------------
-- DESUGAR
-------------------
- ; (warns, maybe_ds_result) <- _scc_ "DeSugar"
+ ; (warns, maybe_ds_result) <- {-# SCC "DeSugar" #-}
deSugar hsc_env tc_result
; msg_act (warns, emptyBag)
; case maybe_ds_result of
}}}}}
------------------------------
+
+hscFileCheck :: HscEnv -> MessageAction -> ModSummary -> IO HscResult
+hscFileCheck hsc_env msg_act mod_summary = do {
+ -------------------
+ -- PARSE
+ -------------------
+ ; let hspp_file = expectJust "hscFileFrontEnd" (ms_hspp_file mod_summary)
+ hspp_buf = ms_hspp_buf mod_summary
+
+ ; maybe_parsed <- myParseModule (hsc_dflags hsc_env) hspp_file hspp_buf
+
+ ; case maybe_parsed of {
+ Left err -> do { msg_act (unitBag err, emptyBag)
+ ; return HscFail } ;
+ Right rdr_module -> do {
+
+ -------------------
+ -- RENAME and TYPECHECK
+ -------------------
+ (tc_msgs, maybe_tc_result)
+ <- _scc_ "Typecheck-Rename"
+ tcRnModule hsc_env (ms_hsc_src mod_summary) rdr_module
+
+ ; msg_act tc_msgs
+ ; case maybe_tc_result of {
+ Nothing -> return (HscChecked rdr_module Nothing);
+ Just tc_result -> do
+ let md = ModDetails {
+ md_types = tcg_type_env tc_result,
+ md_exports = tcg_exports tc_result,
+ md_insts = tcg_insts tc_result,
+ md_rules = [panic "no rules"] }
+ -- rules are IdCoreRules, not the
+ -- RuleDecls we get out of the typechecker
+ return (HscChecked rdr_module
+ (Just (tcg_binds tc_result,
+ tcg_rdr_env tc_result,
+ md)))
+ }}}}
+
+------------------------------
hscBootBackEnd :: HscEnv -> ModSummary -> Maybe ModIface -> Maybe ModGuts -> IO HscResult
-- For hs-boot files, there's no code generation to do
hscBootBackEnd hsc_env mod_summary maybe_checked_iface Nothing
= return HscFail
hscBootBackEnd hsc_env mod_summary maybe_checked_iface (Just ds_result)
- = do { final_iface <- _scc_ "MkFinalIface"
+ = do { final_iface <- {-# SCC "MkFinalIface" #-}
mkIface hsc_env (ms_location mod_summary)
maybe_checked_iface ds_result
- ; let { final_details = ModDetails { md_types = mg_types ds_result,
- md_insts = mg_insts ds_result,
- md_rules = mg_rules ds_result } }
+ ; let { final_details = ModDetails { md_types = mg_types ds_result,
+ md_exports = mg_exports ds_result,
+ md_insts = mg_insts ds_result,
+ md_rules = mg_rules ds_result } }
-- And the answer is ...
; dumpIfaceStats hsc_env
= do { -- OMITTED:
-- ; seqList imported_modules (return ())
- let one_shot = isOneShot (hsc_mode hsc_env)
+ let one_shot = isOneShot (ghcMode dflags)
dflags = hsc_dflags hsc_env
-------------------
-- FLATTENING
-------------------
- ; flat_result <- _scc_ "Flattening"
+ ; flat_result <- {-# SCC "Flattening" #-}
flatten hsc_env ds_result
-------------------
-- SIMPLIFY
-------------------
- ; simpl_result <- _scc_ "Core2Core"
+ ; simpl_result <- {-# SCC "Core2Core" #-}
core2core hsc_env flat_result
-------------------
-- TIDY
-------------------
- ; tidy_result <- _scc_ "CoreTidy"
+ ; tidy_result <- {-# SCC "CoreTidy" #-}
tidyCorePgm hsc_env simpl_result
-- Emit external core
-- This has to happen *after* code gen so that the back-end
-- info has been set. Not yet clear if it matters waiting
-- until after code output
- ; new_iface <- _scc_ "MkFinalIface"
+ ; new_iface <- {-# SCC "MkFinalIface" #-}
mkIface hsc_env (ms_location mod_summary)
maybe_checked_iface tidy_result
; final_details <-
if one_shot then return (error "no final details")
else return $! ModDetails {
- md_types = mg_types tidy_result,
- md_insts = mg_insts tidy_result,
- md_rules = mg_rules tidy_result }
+ md_types = mg_types tidy_result,
+ md_exports = mg_exports tidy_result,
+ md_insts = mg_insts tidy_result,
+ md_rules = mg_rules tidy_result }
-------------------
-- CONVERT TO STG and COMPLETE CODE GENERATION
}
-hscFileCheck hsc_env msg_act hspp_file = do {
- -------------------
- -- PARSE
- -------------------
- ; maybe_parsed <- myParseModule (hsc_dflags hsc_env) hspp_file Nothing
-
- ; case maybe_parsed of {
- Left err -> do { msg_act (unitBag err, emptyBag) ;
- ; return HscFail ;
- };
- Right rdr_module -> hscBufferTypecheck hsc_env rdr_module msg_act
- }}
-
-
--- Perform static/dynamic checks on the source code in a StringBuffer
--- This is a temporary solution: it'll read in interface files lazily, whereas
--- we probably want to use the compilation manager to load in all the modules
--- in a project.
-hscBufferCheck :: HscEnv -> StringBuffer -> MessageAction -> IO HscResult
-hscBufferCheck hsc_env buffer msg_act = do
- let loc = mkSrcLoc (mkFastString "*edit*") 1 0
- showPass (hsc_dflags hsc_env) "Parser"
- case unP parseModule (mkPState buffer loc (hsc_dflags hsc_env)) of
- PFailed span err -> do
- msg_act (emptyBag, unitBag (mkPlainErrMsg span err))
- return HscFail
- POk _ rdr_module -> do
- hscBufferTypecheck hsc_env rdr_module msg_act
-
-hscBufferTypecheck hsc_env rdr_module msg_act = do
- (tc_msgs, maybe_tc_result) <- _scc_ "Typecheck-Rename"
- tcRnModule hsc_env HsSrcFile rdr_module
- msg_act tc_msgs
- case maybe_tc_result of
- Nothing -> return (HscChecked rdr_module Nothing)
- -- space leak on rdr_module!
- Just r -> return (HscChecked rdr_module (Just r))
-
hscCodeGen dflags
ModGuts{ -- This is the last use of the ModGuts in a compilation.
-------------------
-- PREPARE FOR CODE GENERATION
-- Do saturation and convert to A-normal form
- prepd_binds <- _scc_ "CorePrep"
+ prepd_binds <- {-# SCC "CorePrep" #-}
corePrepPgm dflags core_binds type_env;
- case dopt_HscTarget dflags of
+ case hscTarget dflags of
HscNothing -> return (False, False, Nothing)
HscInterpreted ->
other ->
do
----------------- Convert to STG ------------------
- (stg_binds, cost_centre_info) <- _scc_ "CoreToStg"
+ (stg_binds, cost_centre_info) <- {-# SCC "CoreToStg" #-}
myCoreToStg dflags this_mod prepd_binds
------------------ Code generation ------------------
- abstractC <- _scc_ "CodeGen"
+ abstractC <- {-# SCC "CodeGen" #-}
codeGen dflags this_mod type_env foreign_stubs
dir_imps cost_centre_info stg_binds
myParseModule dflags src_filename maybe_src_buf
- = do -------------------------- Parser ----------------
- showPass dflags "Parser"
- _scc_ "Parser" do
+ = -------------------------- Parser ----------------
+ showPass dflags "Parser" >>
+ {-# SCC "Parser" #-} do
-- sometimes we already have the buffer in memory, perhaps
-- because we needed to parse the imports out of it, or get the
myCoreToStg dflags this_mod prepd_binds
= do
- stg_binds <- _scc_ "Core2Stg"
+ stg_binds <- {-# SCC "Core2Stg" #-}
coreToStg dflags prepd_binds
- (stg_binds2, cost_centre_info) <- _scc_ "Core2Stg"
+ (stg_binds2, cost_centre_info) <- {-# SCC "Core2Stg" #-}
stg2stg dflags this_mod stg_binds
return (stg_binds2, cost_centre_info)
#ifdef GHCI
hscStmt -- Compile a stmt all the way to an HValue, but don't run it
:: HscEnv
- -> InteractiveContext -- Context for compiling
-> String -- The statement
- -> IO (Maybe (InteractiveContext, [Name], HValue))
+ -> IO (Maybe (HscEnv, [Name], HValue))
-hscStmt hsc_env icontext stmt
+hscStmt hsc_env stmt
= do { maybe_stmt <- hscParseStmt (hsc_dflags hsc_env) stmt
; case maybe_stmt of {
Nothing -> return Nothing ; -- Parse error
Just (Just parsed_stmt) -> do { -- The real stuff
-- Rename and typecheck it
- maybe_tc_result
- <- tcRnStmt hsc_env icontext parsed_stmt
+ let icontext = hsc_IC hsc_env
+ ; maybe_tc_result <- tcRnStmt hsc_env icontext parsed_stmt
; case maybe_tc_result of {
Nothing -> return Nothing ;
(ic_type_env new_ic)
tc_expr
- ; return (Just (new_ic, bound_names, hval))
+ ; return (Just (hsc_env{ hsc_IC=new_ic }, bound_names, hval))
}}}}}
hscTcExpr -- Typecheck an expression (but don't run it)
:: HscEnv
- -> InteractiveContext -- Context for compiling
-> String -- The expression
-> IO (Maybe Type)
-hscTcExpr hsc_env icontext expr
+hscTcExpr hsc_env expr
= do { maybe_stmt <- hscParseStmt (hsc_dflags hsc_env) expr
+ ; let icontext = hsc_IC hsc_env
; case maybe_stmt of {
Nothing -> return Nothing ; -- Parse error
- Just (Just (L _ (ExprStmt expr _)))
+ Just (Just (L _ (ExprStmt expr _ _)))
-> tcRnExpr hsc_env icontext expr ;
Just other -> do { errorMsg ("not an expression: `" ++ expr ++ "'") ;
return Nothing } ;
hscKcType -- Find the kind of a type
:: HscEnv
- -> InteractiveContext -- Context for compiling
-> String -- The type
-> IO (Maybe Kind)
-hscKcType hsc_env icontext str
+hscKcType hsc_env str
= do { maybe_type <- hscParseType (hsc_dflags hsc_env) str
+ ; let icontext = hsc_IC hsc_env
; case maybe_type of {
Just ty -> tcRnType hsc_env icontext ty ;
Just other -> do { errorMsg ("not an type: `" ++ str ++ "'") ;
return Nothing } ;
Nothing -> return Nothing } }
+#endif
\end{code}
\begin{code}
-- Nothing => Parse error (message already printed)
-- Just x => success
hscParseThing parser dflags str
- = do showPass dflags "Parser"
- _scc_ "Parser" do
+ = showPass dflags "Parser" >>
+ {-# SCC "Parser" #-} do
buf <- stringToStringBuffer str
dumpIfSet_dyn dflags Opt_D_dump_parsed "Parser" (ppr thing);
return (Just thing)
}}
-#endif
\end{code}
%************************************************************************
\begin{code}
#ifdef GHCI
-type GetInfoResult = (String, (IfaceDecl, Fixity, SrcLoc, [(IfaceInst,SrcLoc)]))
-
hscGetInfo -- like hscStmt, but deals with a single identifier
:: HscEnv
- -> InteractiveContext -- Context for compiling
-> String -- The identifier
-> IO [GetInfoResult]
-hscGetInfo hsc_env ic str
+hscGetInfo hsc_env str
= do maybe_rdr_name <- hscParseIdentifier (hsc_dflags hsc_env) str
case maybe_rdr_name of {
Nothing -> return [];
Just (L _ rdr_name) -> do
- maybe_tc_result <- tcRnGetInfo hsc_env ic rdr_name
-
- let -- str' is the the naked occurrence name
- -- after stripping off qualification and parens (+)
- str' = occNameUserString (rdrNameOcc rdr_name)
+ maybe_tc_result <- tcRnGetInfo hsc_env (hsc_IC hsc_env) rdr_name
- case maybe_tc_result of {
- Nothing -> return [] ;
- Just things -> return [(str', t) | t <- things]
- }}
+ case maybe_tc_result of
+ Nothing -> return []
+ Just things -> return things
+ }
#endif
\end{code}
projects / ghc-hetmet.git / blobdiff