X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2FdeSugar%2FCoverage.lhs;h=30be2aa1f04224e1e3315ae0e760a33270910af8;hp=929141e323766167560b514a36d7a5ed56fa13f9;hb=d76d9636aeebe933d160157331b8c8c0087e73ac;hpb=fc825c4271109c53d29cf25a8a1a129762d47b14 diff --git a/compiler/deSugar/Coverage.lhs b/compiler/deSugar/Coverage.lhs index 929141e..30be2aa 100644 --- a/compiler/deSugar/Coverage.lhs +++ b/compiler/deSugar/Coverage.lhs @@ -5,13 +5,13 @@ \section[Coverage]{@coverage@: the main function} \begin{code} -module Coverage (addCoverageTicksToBinds) where +module Coverage (addCoverageTicksToBinds, hpcInitCode) where import HsSyn import Module import Outputable import DynFlags -import Monad +import Control.Monad import SrcLoc import ErrUtils import Name @@ -23,10 +23,12 @@ import FastString import HscTypes import StaticFlags import TyCon -import FiniteMap +import MonadUtils +import Maybes +import CLabel +import Util import Data.Array -import System.IO (FilePath) import System.Directory ( createDirectoryIfMissing ) import Trace.Hpc.Mix @@ -34,6 +36,8 @@ import Trace.Hpc.Util import BreakArray import Data.HashTable ( hashString ) +import Data.Map (Map) +import qualified Data.Map as Map \end{code} @@ -52,25 +56,31 @@ addCoverageTicksToBinds -> LHsBinds Id -> IO (LHsBinds Id, HpcInfo, ModBreaks) -addCoverageTicksToBinds dflags mod mod_loc tyCons binds = do - - let orig_file = - case ml_hs_file mod_loc of - Just file -> file - Nothing -> panic "can not find the original file during hpc trans" +addCoverageTicksToBinds dflags mod mod_loc tyCons binds = + case ml_hs_file mod_loc of + Nothing -> return (binds, emptyHpcInfo False, emptyModBreaks) + Just orig_file -> do if "boot" `isSuffixOf` orig_file then return (binds, emptyHpcInfo False, emptyModBreaks) else do + -- Now, we try look for a file generated from a .hsc file to a .hs file, by peeking ahead. + + let top_pos = catMaybes $ foldrBag (\ (L pos _) rest -> srcSpanFileName_maybe pos : rest) [] binds + let orig_file2 = case top_pos of + (file_name:_) + | ".hsc" `isSuffixOf` unpackFS file_name -> unpackFS file_name + _ -> orig_file + let mod_name = moduleNameString (moduleName mod) let (binds1,_,st) = unTM (addTickLHsBinds binds) (TTE - { fileName = mkFastString orig_file + { fileName = mkFastString orig_file2 , declPath = [] , inScope = emptyVarSet - , blackList = listToFM [ (getSrcSpan (tyConName tyCon),()) - | tyCon <- tyCons ] + , blackList = Map.fromList [ (getSrcSpan (tyConName tyCon),()) + | tyCon <- tyCons ] }) (TT { tickBoxCount = 0 @@ -89,14 +99,14 @@ addCoverageTicksToBinds dflags mod mod_loc tyCons binds = do let tabStop = 1 -- counts as a normal char in GHC's location ranges. createDirectoryIfMissing True hpc_mod_dir - modTime <- getModificationTime orig_file + modTime <- getModificationTime orig_file2 let entries' = [ (hpcPos, box) - | (span,_,box) <- entries, hpcPos <- [mkHpcPos span] ] + | (span,_,_,box) <- entries, hpcPos <- [mkHpcPos span] ] when (length entries' /= tickBoxCount st) $ do panic "the number of .mix entries are inconsistent" - let hashNo = mixHash orig_file modTime tabStop entries' + let hashNo = mixHash orig_file2 modTime tabStop entries' mixCreate hpc_mod_dir mod_name - $ Mix orig_file modTime (toHash hashNo) tabStop entries' + $ Mix orig_file2 modTime (toHash hashNo) tabStop entries' return $ hashNo else do return $ 0 @@ -105,13 +115,16 @@ addCoverageTicksToBinds dflags mod mod_loc tyCons binds = do breakArray <- newBreakArray $ length entries let locsTicks = listArray (0,tickBoxCount st-1) - [ span | (span,_,_) <- entries ] + [ span | (span,_,_,_) <- entries ] varsTicks = listArray (0,tickBoxCount st-1) - [ vars | (_,vars,_) <- entries ] + [ vars | (_,_,vars,_) <- entries ] + declsTicks= listArray (0,tickBoxCount st-1) + [ decls | (_,decls,_,_) <- entries ] modBreaks = emptyModBreaks { modBreaks_flags = breakArray , modBreaks_locs = locsTicks , modBreaks_vars = varsTicks + , modBreaks_decls = declsTicks } doIfSet_dyn dflags Opt_D_dump_hpc $ do @@ -131,9 +144,9 @@ addTickLHsBinds :: LHsBinds Id -> TM (LHsBinds Id) addTickLHsBinds binds = mapBagM addTickLHsBind binds addTickLHsBind :: LHsBind Id -> TM (LHsBind Id) -addTickLHsBind (L pos (AbsBinds abs_tvs abs_dicts abs_exports abs_binds)) = do - abs_binds' <- addTickLHsBinds abs_binds - return $ L pos $ AbsBinds abs_tvs abs_dicts abs_exports abs_binds' +addTickLHsBind (L pos bind@(AbsBinds { abs_binds = binds })) = do + binds' <- addTickLHsBinds binds + return $ L pos $ bind { abs_binds = binds' } addTickLHsBind (L pos (funBind@(FunBind { fun_id = (L _ id) }))) = do let name = getOccString id decl_path <- getPathEntry @@ -238,9 +251,9 @@ addTickLHsExprOptAlt oneOfMany (L pos e0) addTickHsExpr e0 addBinTickLHsExpr :: (Bool -> BoxLabel) -> LHsExpr Id -> TM (LHsExpr Id) -addBinTickLHsExpr boxLabel (L pos e0) = do - e1 <- addTickHsExpr e0 - allocBinTickBox boxLabel $ L pos e1 +addBinTickLHsExpr boxLabel (L pos e0) = + allocBinTickBox boxLabel pos $ + addTickHsExpr e0 addTickHsExpr :: HsExpr Id -> TM (HsExpr Id) addTickHsExpr e@(HsVar id) = do freeVar id; return e @@ -270,40 +283,39 @@ addTickHsExpr (SectionR e1 e2) = liftM2 SectionR (addTickLHsExpr e1) (addTickLHsExpr e2) +addTickHsExpr (ExplicitTuple es boxity) = + liftM2 ExplicitTuple + (mapM addTickTupArg es) + (return boxity) addTickHsExpr (HsCase e mgs) = liftM2 HsCase (addTickLHsExpr e) (addTickMatchGroup mgs) -addTickHsExpr (HsIf e1 e2 e3) = - liftM3 HsIf +addTickHsExpr (HsIf cnd e1 e2 e3) = + liftM3 (HsIf cnd) (addBinTickLHsExpr (BinBox CondBinBox) e1) (addTickLHsExprOptAlt True e2) (addTickLHsExprOptAlt True e3) addTickHsExpr (HsLet binds e) = - bindLocals (map unLoc $ collectLocalBinders binds) $ + bindLocals (collectLocalBinders binds) $ liftM2 HsLet (addTickHsLocalBinds binds) -- to think about: !patterns. (addTickLHsExprNeverOrAlways e) -addTickHsExpr (HsDo cxt stmts last_exp srcloc) = do - (stmts', last_exp') <- addTickLStmts' forQual stmts - (addTickLHsExpr last_exp) - return (HsDo cxt stmts' last_exp' srcloc) +addTickHsExpr (HsDo cxt stmts srcloc) + = do { (stmts', _) <- addTickLStmts' forQual stmts (return ()) + ; return (HsDo cxt stmts' srcloc) } where forQual = case cxt of ListComp -> Just $ BinBox QualBinBox _ -> Nothing addTickHsExpr (ExplicitList ty es) = - liftM2 ExplicitList + liftM2 ExplicitList (return ty) (mapM (addTickLHsExpr) es) addTickHsExpr (ExplicitPArr ty es) = liftM2 ExplicitPArr (return ty) (mapM (addTickLHsExpr) es) -addTickHsExpr (ExplicitTuple es box) = - liftM2 ExplicitTuple - (mapM (addTickLHsExpr) es) - (return box) addTickHsExpr (RecordCon id ty rec_binds) = liftM3 RecordCon (return id) @@ -351,6 +363,7 @@ addTickHsExpr (HsWrap w e) = liftM2 HsWrap (return w) (addTickHsExpr e) -- explicitly no tick on inside + addTickHsExpr (HsArrApp e1 e2 ty1 arr_ty lr) = liftM5 HsArrApp (addTickLHsExpr e1) @@ -358,6 +371,7 @@ addTickHsExpr (HsArrApp e1 e2 ty1 arr_ty lr) = (return ty1) (return arr_ty) (return lr) + addTickHsExpr (HsArrForm e fix cmdtop) = liftM3 HsArrForm (addTickLHsExpr e) @@ -369,6 +383,10 @@ addTickHsExpr e@(HsType _) = return e -- Others dhould never happen in expression content. addTickHsExpr e = pprPanic "addTickHsExpr" (ppr e) +addTickTupArg :: HsTupArg Id -> TM (HsTupArg Id) +addTickTupArg (Present e) = do { e' <- addTickLHsExpr e; return (Present e') } +addTickTupArg (Missing ty) = return (Missing ty) + addTickMatchGroup :: MatchGroup Id -> TM (MatchGroup Id) addTickMatchGroup (MatchGroup matches ty) = do let isOneOfMany = matchesOneOfMany matches @@ -388,7 +406,7 @@ addTickGRHSs isOneOfMany (GRHSs guarded local_binds) = do guarded' <- mapM (liftL (addTickGRHS isOneOfMany)) guarded return $ GRHSs guarded' local_binds' where - binders = map unLoc (collectLocalBinders local_binds) + binders = collectLocalBinders local_binds addTickGRHS :: Bool -> GRHS Id -> TM (GRHS Id) addTickGRHS isOneOfMany (GRHS stmts expr) = do @@ -405,57 +423,66 @@ addTickLStmts isGuard stmts = do addTickLStmts' :: (Maybe (Bool -> BoxLabel)) -> [LStmt Id] -> TM a -> TM ([LStmt Id], a) addTickLStmts' isGuard lstmts res - = bindLocals binders $ do - lstmts' <- mapM (liftL (addTickStmt isGuard)) lstmts - a <- res - return (lstmts', a) - where - binders = map unLoc (collectLStmtsBinders lstmts) + = bindLocals (collectLStmtsBinders lstmts) $ + do { lstmts' <- mapM (liftL (addTickStmt isGuard)) lstmts + ; a <- res + ; return (lstmts', a) } addTickStmt :: (Maybe (Bool -> BoxLabel)) -> Stmt Id -> TM (Stmt Id) +addTickStmt _isGuard (LastStmt e ret) = do + liftM2 LastStmt + (addTickLHsExprAlways e) + (addTickSyntaxExpr hpcSrcSpan ret) addTickStmt _isGuard (BindStmt pat e bind fail) = do liftM4 BindStmt (addTickLPat pat) (addTickLHsExprAlways e) (addTickSyntaxExpr hpcSrcSpan bind) (addTickSyntaxExpr hpcSrcSpan fail) -addTickStmt isGuard (ExprStmt e bind' ty) = do - liftM3 ExprStmt +addTickStmt isGuard (ExprStmt e bind' guard' ty) = do + liftM4 ExprStmt (addTick isGuard e) (addTickSyntaxExpr hpcSrcSpan bind') + (addTickSyntaxExpr hpcSrcSpan guard') (return ty) addTickStmt _isGuard (LetStmt binds) = do liftM LetStmt (addTickHsLocalBinds binds) -addTickStmt isGuard (ParStmt pairs) = do - liftM ParStmt +addTickStmt isGuard (ParStmt pairs mzipExpr bindExpr returnExpr) = do + liftM4 ParStmt (mapM (addTickStmtAndBinders isGuard) pairs) -addTickStmt isGuard (TransformStmt (stmts, ids) usingExpr maybeByExpr) = do - liftM3 TransformStmt - (addTickStmtAndBinders isGuard (stmts, ids)) - (addTickLHsExprAlways usingExpr) - (addTickMaybeByLHsExpr maybeByExpr) -addTickStmt isGuard (GroupStmt (stmts, binderMap) groupByClause) = do - liftM2 GroupStmt - (addTickStmtAndBinders isGuard (stmts, binderMap)) - (case groupByClause of - GroupByNothing usingExpr -> addTickLHsExprAlways usingExpr >>= (return . GroupByNothing) - GroupBySomething eitherUsingExpr byExpr -> do - eitherUsingExpr' <- mapEitherM addTickLHsExprAlways (addTickSyntaxExpr hpcSrcSpan) eitherUsingExpr - byExpr' <- addTickLHsExprAlways byExpr - return $ GroupBySomething eitherUsingExpr' byExpr') - where - mapEitherM f g x = do - case x of - Left a -> f a >>= (return . Left) - Right b -> g b >>= (return . Right) -addTickStmt isGuard (RecStmt stmts ids1 ids2 tys dictbinds) = do - liftM5 RecStmt - (addTickLStmts isGuard stmts) - (return ids1) - (return ids2) - (return tys) - (addTickDictBinds dictbinds) + (addTickSyntaxExpr hpcSrcSpan mzipExpr) + (addTickSyntaxExpr hpcSrcSpan bindExpr) + (addTickSyntaxExpr hpcSrcSpan returnExpr) + +addTickStmt isGuard (TransformStmt stmts ids usingExpr maybeByExpr returnExpr bindExpr) = do + t_s <- (addTickLStmts isGuard stmts) + t_u <- (addTickLHsExprAlways usingExpr) + t_m <- (addTickMaybeByLHsExpr maybeByExpr) + t_r <- (addTickSyntaxExpr hpcSrcSpan returnExpr) + t_b <- (addTickSyntaxExpr hpcSrcSpan bindExpr) + return $ TransformStmt t_s ids t_u t_m t_r t_b + +addTickStmt isGuard stmt@(GroupStmt { grpS_stmts = stmts + , grpS_by = by, grpS_using = using + , grpS_ret = returnExpr, grpS_bind = bindExpr + , grpS_fmap = liftMExpr }) = do + t_s <- addTickLStmts isGuard stmts + t_y <- fmapMaybeM addTickLHsExprAlways by + t_u <- addTickLHsExprAlways using + t_f <- addTickSyntaxExpr hpcSrcSpan returnExpr + t_b <- addTickSyntaxExpr hpcSrcSpan bindExpr + t_m <- addTickSyntaxExpr hpcSrcSpan liftMExpr + return $ stmt { grpS_stmts = t_s, grpS_by = t_y, grpS_using = t_u + , grpS_ret = t_f, grpS_bind = t_b, grpS_fmap = t_m } + +addTickStmt isGuard stmt@(RecStmt {}) + = do { stmts' <- addTickLStmts isGuard (recS_stmts stmt) + ; ret' <- addTickSyntaxExpr hpcSrcSpan (recS_ret_fn stmt) + ; mfix' <- addTickSyntaxExpr hpcSrcSpan (recS_mfix_fn stmt) + ; bind' <- addTickSyntaxExpr hpcSrcSpan (recS_bind_fn stmt) + ; return (stmt { recS_stmts = stmts', recS_ret_fn = ret' + , recS_mfix_fn = mfix', recS_bind_fn = bind' }) } addTick :: Maybe (Bool -> BoxLabel) -> LHsExpr Id -> TM (LHsExpr Id) addTick isGuard e | Just fn <- isGuard = addBinTickLHsExpr fn e @@ -498,7 +525,7 @@ addTickHsIPBinds :: HsIPBinds Id -> TM (HsIPBinds Id) addTickHsIPBinds (IPBinds ipbinds dictbinds) = liftM2 IPBinds (mapM (liftL (addTickIPBind)) ipbinds) - (addTickDictBinds dictbinds) + (return dictbinds) addTickIPBind :: IPBind Id -> TM (IPBind Id) addTickIPBind (IPBind nm e) = @@ -524,10 +551,121 @@ addTickHsCmdTop (HsCmdTop cmd tys ty syntaxtable) = (return syntaxtable) addTickLHsCmd :: LHsCmd Id -> TM (LHsCmd Id) -addTickLHsCmd x = addTickLHsExpr x +addTickLHsCmd (L pos c0) = do + c1 <- addTickHsCmd c0 + return $ L pos c1 + +addTickHsCmd :: HsCmd Id -> TM (HsCmd Id) +addTickHsCmd (HsLam matchgroup) = + liftM HsLam (addTickCmdMatchGroup matchgroup) +addTickHsCmd (HsApp e1 e2) = + liftM2 HsApp (addTickLHsExprNever e1) (addTickLHsExpr e2) +addTickHsCmd (OpApp e1 c2 fix c3) = + liftM4 OpApp + (addTickLHsExpr e1) + (addTickLHsCmd c2) + (return fix) + (addTickLHsCmd c3) +addTickHsCmd (HsPar e) = liftM HsPar (addTickLHsCmd e) +addTickHsCmd (HsCase e mgs) = + liftM2 HsCase + (addTickLHsExpr e) + (addTickCmdMatchGroup mgs) +addTickHsCmd (HsIf cnd e1 c2 c3) = + liftM3 (HsIf cnd) + (addBinTickLHsExpr (BinBox CondBinBox) e1) + (addTickLHsCmd c2) + (addTickLHsCmd c3) +addTickHsCmd (HsLet binds c) = + bindLocals (collectLocalBinders binds) $ + liftM2 HsLet + (addTickHsLocalBinds binds) -- to think about: !patterns. + (addTickLHsCmd c) +addTickHsCmd (HsDo cxt stmts srcloc) + = do { (stmts', _) <- addTickLCmdStmts' stmts (return ()) + ; return (HsDo cxt stmts' srcloc) } -addTickDictBinds :: DictBinds Id -> TM (DictBinds Id) -addTickDictBinds x = addTickLHsBinds x +addTickHsCmd (HsArrApp e1 e2 ty1 arr_ty lr) = + liftM5 HsArrApp + (addTickLHsExpr e1) + (addTickLHsExpr e2) + (return ty1) + (return arr_ty) + (return lr) +addTickHsCmd (HsArrForm e fix cmdtop) = + liftM3 HsArrForm + (addTickLHsExpr e) + (return fix) + (mapM (liftL (addTickHsCmdTop)) cmdtop) + +-- Others should never happen in a command context. +addTickHsCmd e = pprPanic "addTickHsCmd" (ppr e) + +addTickCmdMatchGroup :: MatchGroup Id -> TM (MatchGroup Id) +addTickCmdMatchGroup (MatchGroup matches ty) = do + matches' <- mapM (liftL addTickCmdMatch) matches + return $ MatchGroup matches' ty + +addTickCmdMatch :: Match Id -> TM (Match Id) +addTickCmdMatch (Match pats opSig gRHSs) = + bindLocals (collectPatsBinders pats) $ do + gRHSs' <- addTickCmdGRHSs gRHSs + return $ Match pats opSig gRHSs' + +addTickCmdGRHSs :: GRHSs Id -> TM (GRHSs Id) +addTickCmdGRHSs (GRHSs guarded local_binds) = do + bindLocals binders $ do + local_binds' <- addTickHsLocalBinds local_binds + guarded' <- mapM (liftL addTickCmdGRHS) guarded + return $ GRHSs guarded' local_binds' + where + binders = collectLocalBinders local_binds + +addTickCmdGRHS :: GRHS Id -> TM (GRHS Id) +addTickCmdGRHS (GRHS stmts cmd) = do + (stmts',expr') <- addTickLCmdStmts' stmts (addTickLHsCmd cmd) + return $ GRHS stmts' expr' + +addTickLCmdStmts :: [LStmt Id] -> TM [LStmt Id] +addTickLCmdStmts stmts = do + (stmts, _) <- addTickLCmdStmts' stmts (return ()) + return stmts + +addTickLCmdStmts' :: [LStmt Id] -> TM a -> TM ([LStmt Id], a) +addTickLCmdStmts' lstmts res + = bindLocals binders $ do + lstmts' <- mapM (liftL addTickCmdStmt) lstmts + a <- res + return (lstmts', a) + where + binders = collectLStmtsBinders lstmts + +addTickCmdStmt :: Stmt Id -> TM (Stmt Id) +addTickCmdStmt (BindStmt pat c bind fail) = do + liftM4 BindStmt + (addTickLPat pat) + (addTickLHsCmd c) + (return bind) + (return fail) +addTickCmdStmt (ExprStmt c bind' guard' ty) = do + liftM4 ExprStmt + (addTickLHsCmd c) + (addTickSyntaxExpr hpcSrcSpan bind') + (addTickSyntaxExpr hpcSrcSpan guard') + (return ty) +addTickCmdStmt (LetStmt binds) = do + liftM LetStmt + (addTickHsLocalBinds binds) +addTickCmdStmt stmt@(RecStmt {}) + = do { stmts' <- addTickLCmdStmts (recS_stmts stmt) + ; ret' <- addTickSyntaxExpr hpcSrcSpan (recS_ret_fn stmt) + ; mfix' <- addTickSyntaxExpr hpcSrcSpan (recS_mfix_fn stmt) + ; bind' <- addTickSyntaxExpr hpcSrcSpan (recS_bind_fn stmt) + ; return (stmt { recS_stmts = stmts', recS_ret_fn = ret' + , recS_mfix_fn = mfix', recS_bind_fn = bind' }) } + +-- Others should never happen in a command context. +addTickCmdStmt stmt = pprPanic "addTickHsCmd" (ppr stmt) addTickHsRecordBinds :: HsRecordBinds Id -> TM (HsRecordBinds Id) addTickHsRecordBinds (HsRecFields fields dd) @@ -565,7 +703,7 @@ data TickTransState = TT { tickBoxCount:: Int data TickTransEnv = TTE { fileName :: FastString , declPath :: [String] , inScope :: VarSet - , blackList :: FiniteMap SrcSpan () + , blackList :: Map SrcSpan () } -- deriving Show @@ -649,7 +787,7 @@ bindLocals new_ids (TM m) isBlackListed :: SrcSpan -> TM Bool isBlackListed pos = TM $ \ env st -> - case lookupFM (blackList env) pos of + case Map.lookup pos (blackList env) of Nothing -> (False,noFVs,st) Just () -> (True,noFVs,st) @@ -660,11 +798,11 @@ allocTickBox boxLabel pos m | isGoodSrcSpan' pos = sameFileName pos (do e <- m; return (L pos e)) $ do (fvs, e) <- getFreeVars m - TM $ \ _env st -> + TM $ \ env st -> let c = tickBoxCount st ids = occEnvElts fvs mes = mixEntries st - me = (pos, map (nameOccName.idName) ids, boxLabel) + me = (pos, declPath env, map (nameOccName.idName) ids, boxLabel) in ( L pos (HsTick c ids (L pos e)) , fvs @@ -677,8 +815,11 @@ allocTickBox _boxLabel pos m = do e <- m; return (L pos e) allocATickBox :: BoxLabel -> SrcSpan -> FreeVars -> TM (Maybe (Int,[Id])) allocATickBox boxLabel pos fvs | isGoodSrcSpan' pos = sameFileName pos - (return Nothing) $ TM $ \ _env st -> - let me = (pos, map (nameOccName.idName) ids, boxLabel) + (return Nothing) $ TM $ \ env st -> + let mydecl_path + | null (declPath env), TopLevelBox x <- boxLabel = x + | otherwise = declPath env + me = (pos, mydecl_path, map (nameOccName.idName) ids, boxLabel) c = tickBoxCount st mes = mixEntries st ids = occEnvElts fvs @@ -688,29 +829,28 @@ allocATickBox boxLabel pos fvs | isGoodSrcSpan' pos = ) allocATickBox _boxLabel _pos _fvs = return Nothing -allocBinTickBox :: (Bool -> BoxLabel) -> LHsExpr Id -> TM (LHsExpr Id) -allocBinTickBox boxLabel (L pos e) | isGoodSrcSpan' pos = TM $ \ _env st -> - let meT = (pos,[],boxLabel True) - meF = (pos,[],boxLabel False) - meE = (pos,[],ExpBox False) +allocBinTickBox :: (Bool -> BoxLabel) -> SrcSpan -> TM (HsExpr Id) + -> TM (LHsExpr Id) +allocBinTickBox boxLabel pos m + | not opt_Hpc = allocTickBox (ExpBox False) pos m + | isGoodSrcSpan' pos = + do + e <- m + TM $ \ env st -> + let meT = (pos,declPath env, [],boxLabel True) + meF = (pos,declPath env, [],boxLabel False) + meE = (pos,declPath env, [],ExpBox False) c = tickBoxCount st mes = mixEntries st in - if opt_Hpc - then ( L pos $ HsTick c [] $ L pos $ HsBinTick (c+1) (c+2) (L pos e) + ( L pos $ HsTick c [] $ L pos $ HsBinTick (c+1) (c+2) (L pos e) -- notice that F and T are reversed, -- because we are building the list in -- reverse... , noFVs , st {tickBoxCount=c+3 , mixEntries=meF:meT:meE:mes} ) - else - ( L pos $ HsTick c [] $ L pos e - , noFVs - , st {tickBoxCount=c+1,mixEntries=meE:mes} - ) - -allocBinTickBox _boxLabel e = return e +allocBinTickBox _boxLabel pos m = do e <- m; return (L pos e) isGoodSrcSpan' :: SrcSpan -> Bool isGoodSrcSpan' pos @@ -729,9 +869,9 @@ mkHpcPos pos start = srcSpanStart pos end = srcSpanEnd pos hpcPos = toHpcPos ( srcLocLine start - , srcLocCol start + 1 + , srcLocCol start , srcLocLine end - , srcLocCol end + , srcLocCol end - 1 ) hpcSrcSpan :: SrcSpan @@ -748,7 +888,7 @@ matchesOneOfMany lmatches = sum (map matchCount lmatches) > 1 \begin{code} -type MixEntry_ = (SrcSpan, [OccName], BoxLabel) +type MixEntry_ = (SrcSpan, [String], [OccName], BoxLabel) -- For the hash value, we hash everything: the file name, -- the timestamp of the original source file, the tab stop, @@ -760,3 +900,56 @@ mixHash :: FilePath -> Integer -> Int -> [MixEntry] -> Int mixHash file tm tabstop entries = fromIntegral $ hashString (show $ Mix file tm 0 tabstop entries) \end{code} + +%************************************************************************ +%* * +%* initialisation +%* * +%************************************************************************ + +Each module compiled with -fhpc declares an initialisation function of +the form `hpc_init_()`, which is emitted into the _stub.c file +and annotated with __attribute__((constructor)) so that it gets +executed at startup time. + +The function's purpose is to call hs_hpc_module to register this +module with the RTS, and it looks something like this: + +static void hpc_init_Main(void) __attribute__((constructor)); +static void hpc_init_Main(void) +{extern StgWord64 _hpc_tickboxes_Main_hpc[]; + hs_hpc_module("Main",8,1150288664,_hpc_tickboxes_Main_hpc);} + +\begin{code} +hpcInitCode :: Module -> HpcInfo -> SDoc +hpcInitCode _ (NoHpcInfo {}) = empty +hpcInitCode this_mod (HpcInfo tickCount hashNo) + = vcat + [ text "static void hpc_init_" <> ppr this_mod + <> text "(void) __attribute__((constructor));" + , text "static void hpc_init_" <> ppr this_mod <> text "(void)" + , braces (vcat [ + ptext (sLit "extern StgWord64 ") <> tickboxes <> + ptext (sLit "[]") <> semi, + ptext (sLit "hs_hpc_module") <> + parens (hcat (punctuate comma [ + doubleQuotes full_name_str, + int tickCount, -- really StgWord32 + int hashNo, -- really StgWord32 + tickboxes + ])) <> semi + ]) + ] + where + tickboxes = pprCLabel (mkHpcTicksLabel $ this_mod) + + module_name = hcat (map (text.charToC) $ + bytesFS (moduleNameFS (Module.moduleName this_mod))) + package_name = hcat (map (text.charToC) $ + bytesFS (packageIdFS (modulePackageId this_mod))) + full_name_str + | modulePackageId this_mod == mainPackageId + = module_name + | otherwise + = package_name <> char '/' <> module_name +\end{code}