Breakpoint code instrumentation

[ghc-hetmet.git] / compiler / deSugar / DsMonad.lhs

diff --git a/compiler/deSugar/DsMonad.lhs b/compiler/deSugar/DsMonad.lhs
index 347f6b6..8d11931 100644 (file)
--- a/compiler/deSugar/DsMonad.lhs
+++ b/compiler/deSugar/DsMonad.lhs
@@ -1,7 +1,9 @@
 %
+% (c) The University of Glasgow 2006
 % (c) The GRASP/AQUA Project, Glasgow University, 1992-1998
 %
-\section[DsMonad]{@DsMonad@: monadery used in desugaring}
+
+@DsMonad@: monadery used in desugaring
 
 \begin{code}
 module DsMonad (
@@ -16,46 +18,49 @@ module DsMonad (
        getModuleDs,
        newUnique, 
        UniqSupply, newUniqueSupply,
-       getDOptsDs,
+       getDOptsDs, getGhcModeDs, doptDs,
        dsLookupGlobal, dsLookupGlobalId, dsLookupTyCon, dsLookupDataCon,
 
        DsMetaEnv, DsMetaVal(..), dsLookupMetaEnv, dsExtendMetaEnv,
 
+        getBkptSitesDs,
        -- Warnings
        DsWarning, warnDs, failWithDs,
 
        -- Data types
        DsMatchContext(..),
-       EquationInfo(..), MatchResult(..), DsWrapper, idWrapper,
+       EquationInfo(..), MatchResult(..), DsWrapper, idDsWrapper,
        CanItFail(..), orFail
     ) where
 
 #include "HsVersions.h"
 
 import TcRnMonad
-import CoreSyn         ( CoreExpr )
-import HsSyn           ( HsExpr, HsMatchContext, Pat )
-import TcIface         ( tcIfaceGlobal )
-import RdrName         ( GlobalRdrEnv )
-import HscTypes                ( TyThing(..), TypeEnv, HscEnv(..), 
-                         tyThingId, tyThingTyCon, tyThingDataCon, mkPrintUnqualified )
-import Bag             ( emptyBag, snocBag )
-import DataCon         ( DataCon )
-import TyCon           ( TyCon )
-import Id              ( mkSysLocal, setIdUnique, Id )
-import Module          ( Module )
-import Var             ( TyVar, setTyVarUnique )
+import CoreSyn
+import HsSyn
+import TcIface
+import RdrName
+import HscTypes
+import Bag
+import DataCon
+import TyCon
+import Id
+import Module
+import Var
 import Outputable
-import SrcLoc          ( noSrcSpan, SrcSpan )
-import Type             ( Type )
-import UniqSupply      ( UniqSupply, uniqsFromSupply )
-import Name            ( Name, nameOccName )
+import SrcLoc
+import Type
+import UniqSupply
+import Name
 import NameEnv
-import OccName          ( occNameFS )
-import DynFlags        ( DynFlags )
-import ErrUtils                ( Messages, mkWarnMsg, mkErrMsg, 
-                         printErrorsAndWarnings, errorsFound )
-import DATA_IOREF      ( newIORef, readIORef )
+import OccName
+import DynFlags
+import ErrUtils
+import Bag
+import Breakpoints
+import OccName
+
+import Data.IORef
 
 infixr 9 `thenDs`
 \end{code}
@@ -77,7 +82,7 @@ data EquationInfo
              eqn_rhs  :: MatchResult } -- What to do after match
 
 type DsWrapper = CoreExpr -> CoreExpr
-idWrapper e = e
+idDsWrapper e = e
 
 -- The semantics of (match vs (EqnInfo wrap pats rhs)) is the MatchResult
 --     \fail. wrap (case vs of { pats -> rhs fail })
@@ -131,8 +136,9 @@ data DsGblEnv = DsGblEnv {
        ds_mod     :: Module,                   -- For SCC profiling
        ds_unqual  :: PrintUnqualified,
        ds_msgs    :: IORef Messages,           -- Warning messages
-       ds_if_env  :: (IfGblEnv, IfLclEnv)      -- Used for looking up global, 
+       ds_if_env  :: (IfGblEnv, IfLclEnv),     -- Used for looking up global, 
                                                -- possibly-imported things
+        ds_bkptSites :: IORef SiteMap  -- Inserted Breakpoints sites
     }
 
 data DsLclEnv = DsLclEnv {
@@ -255,6 +261,12 @@ the @SrcSpan@ being carried around.
 getDOptsDs :: DsM DynFlags
 getDOptsDs = getDOpts
 
+doptDs :: DynFlag -> TcRnIf gbl lcl Bool
+doptDs = doptM
+
+getGhcModeDs :: DsM GhcMode
+getGhcModeDs =  getDOptsDs >>= return . ghcMode
+
 getModuleDs :: DsM Module
 getModuleDs = do { env <- getGblEnv; return (ds_mod env) }
 
@@ -315,4 +327,10 @@ dsExtendMetaEnv menv thing_inside
   = updLclEnv (\env -> env { ds_meta = ds_meta env `plusNameEnv` menv }) thing_inside
 \end{code}
 
+\begin{code}
+
+getBkptSitesDs :: DsM (IORef SiteMap)
+getBkptSitesDs = do { env <- getGblEnv; return (ds_bkptSites env) }
+
+\end{code}